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You searched for: Subject "temperature" Remove constraint Subject: "temperature" Journal Industrial & engineering chemistry process design and development Remove constraint Journal: Industrial & engineering chemistry process design and development Publication Year 2018 Remove constraint Publication Year: 2018 Subject temperature Remove constraint Subject: temperature Subject carbon dioxide Remove constraint Subject: carbon dioxide
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1. A Film Boiling Study of Ethanol Pyrolysis

Author:
Avedisian, C. Thomas; Kuo, Wei-Chih; Tsang, Wing; Lowery, Adam
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.24 pp. 8334-8340
ISSN:
1520-5045
Subject:
temperature,   etc   ; acetaldehyde; boiling; carbon dioxide; carbon monoxide; chemical inhibitors; ethane; ethanol; ethyl acetate; ethylene; formaldehyde; gases; heat transfer; hydrogen; liquids; methane; process design; processing chemistry; pyrolysis;     Show all 19 Subjects
Abstract:
... This paper reports a study of ethanol pyrolysis (C₂H₅OH, EtOH) by film boiling at temperatures ranging from 600 to 1500 K. The reactor space is created in a self-assembled manner by first bringing EtOH to a boil on the surface of a horizontal tube submerged in a pool of EtOH and then increasing the power to the tube in steps to force transitioning the boiling regimes through nucleate boiling, the ...
DOI:
10.1021/acs.iecr.8b00770

2. A High-Performance Ni/SiO₂ Prepared by the Complexed-Impregnation Method with Citric Acid for Carbon Dioxide Reforming of Methane

Author:
Ren, Hua-Ping; Hao, Qing-Qing; Ding, Si-Yi; Zhao, Yu-Zhen; Zhu, Min; Tian, Shao-Peng; Ma, Qiang; Song, Wen-Qi; Miao, Zongcheng; Liu, Zhao-Tie
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.48 pp. 16257-16263
ISSN:
1520-5045
Subject:
temperature,   etc   ; carbon dioxide; catalysts; citric acid; methane; nickel; process design; silica;     Show all 8 Subjects
Abstract:
... A group of Ni/SiO₂ catalysts was prepared via the complexed-impregnation method with different amounts of citric acid (Ni–C/SiO₂). The Ni–C/SiO₂ and Ni/SiO₂ prepared by the conventional impregnation method were respectively tested for carbon dioxide reforming of methane (CDR) at CO₂/CH₄ = 1.0, a gas hourly space velocity of 60 000 mL·g–¹·h–¹, and a reaction temperature of 750 °C. The characterizat ...
DOI:
10.1021/acs.iecr.8b03897

3. A Low Energy Recycling Technique of Carbon Fibers-Reinforced Epoxy Matrix Composites

Author:
Kim, Kwan-Woo; Jeong, Jin-Soo; An, Kay-Hyeok; Kim, Byung-Joo
Source:
Industrial & engineering chemistry process design and development 2018 v.58 no.2 pp. 618-624
ISSN:
1520-5045
Subject:
temperature,   etc   ; activation energy; carbon; carbon dioxide; carbon fibers; energy efficiency; epoxides; polymers; process design; pyrolysis; recycling; steam; strength (mechanics);     Show all 13 Subjects
Abstract:
... An energy-efficient recycling technique was developed using various reactive gases and pyrolysis periods. An activation energy study of the polymer matrix decomposition was employed in order to obtain optimal pyrolysis conditions as a function of reactive gases. From the results, the total energy consumption for matrix pyrolysis at the low temperature region (under 400 °C) was the smallest with th ...
DOI:
10.1021/acs.iecr.8b02554

4. An Approach Using Oxidative Coupling of Methane for Converting Biogas and Acid Natural Gas into High-Calorific Fuels

Author:
Sokolov, Sergey; Seeburg, Dominik; Wohlrab, Sebastian; Friedel, Markus; Nitzsche, Jörg; Kondratenko, Evgenii V.
Source:
Industrial & engineering chemistry process design and development 2018 v.58 no.7 pp. 2454-2459
ISSN:
1520-5045
Subject:
temperature,   etc   ; biogas; carbon; carbon dioxide; catalysts; condensation (phase transition); energy; ethane; ethylene; gases; hydrogen; hydrogenation; methane; natural gas; oxygen; power generation; process design; silica;     Show all 18 Subjects
Abstract:
... Biogas is a renewable resource with prospects in production of commodity chemicals or for power generation. The latter implies co-usage of biogas and natural gas in gas distribution nets but puts a restriction on the higher heating value (HHV) of all gases pumped into the net. In this contribution, we analyzed and experimentally validated the potential of the oxidative coupling of methane (OCM) as ...
DOI:
10.1021/acs.iecr.8b03495

5. A Novel Phase-Changing Nonaqueous Solution for CO2 Capture with High Capacity, Thermostability, and Regeneration Efficiency

Author:
Tao, Mengna; Gao, Jinzhe; Zhang, Wei; Li, Yu; He, Yi; Shi, Yao
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.28 pp. 9305-9312
ISSN:
1520-5045
Subject:
temperature,   etc   ; absorption; carbon dioxide; heat; ionic liquids; microwave treatment; nuclear magnetic resonance spectroscopy; polyethylene glycol; process design; reaction mechanisms; thermal stability; viscosity;     Show all 12 Subjects
Abstract:
... A novel nonaqueous solution, triethylenetetramine (TETA) blended with polyethylene glycol (PEG200), was developed for CO₂ absorption, with which a phase-changing phenomenon was observed after the absorption. A reaction mechanism for TETA–PEG200 solution and CO₂ was proposed based on ¹³C NMR analysis. It was found that PEG200 not only acts as a solvent that contributes to biphasic separation but al ...
DOI:
10.1021/acs.iecr.8b01775

6. CO₂ Adsorption on Premodified Li/Al Hydrotalcite Impregnated with Polyethylenimine

Author:
Chen, Shu Panxiang; Sun, Xiaoyu; Luo, Xiao; Liang, Zhiwu
Source:
Industrial & engineering chemistry process design and development 2018 v.58 no.3 pp. 1177-1189
ISSN:
1520-5045
Subject:
temperature,   etc   ; Fourier transform infrared spectroscopy; X-ray diffraction; activation energy; adsorption; aluminum; carbon dioxide; desorption; energy; equations; heat; hydrotalcite; kinetics; models; nitrogen; polyethyleneimine; potassium; process design; scanning electron microscopy; sorbents; sorption isotherms;     Show all 21 Subjects
Abstract:
... In this study, Li/Al hydrotalcite (HT) was treated with calcination and potassium hydroxyl-ethanol to form bcHT (basic-modified calcined hydrotalcite). This material was then polyethylenimine (PEI)-functionalized to create a new sorbent that has ultralow energy consumption. Various methods were applied to characterize the sorbent, including N₂ adsorption–desorption, Fourier transform infrared spec ...
DOI:
10.1021/acs.iecr.8b04775

7. CoatAlloy Barrier Coating for Reduced Coke Formation in Steam Cracking Reactors: Experimental Validation and Simulations

Author:
Olahová, Natália; Symoens, Steffen H.; Djokic, Marko R.; Ristic, Nenad D.; Sarris, Stamatis A.; Couvrat, Mathieu; Riallant, Fanny; Chasselin, Hugues; Reyniers, Marie-Françoise; Van Geem, Kevin M.
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.3 pp. 897-907
ISSN:
1520-5045
Subject:
temperature,   etc   ; alloys; aluminum; carbon dioxide; carbon monoxide; coatings; crackers; cracking; energy-dispersive X-ray analysis; ethane; process design; scanning electron microscopy; steam; sulfur;     Show all 14 Subjects
Abstract:
... The coking tendency under steam cracking conditions of CoatAlloy, a newly developed multilayered Al barrier coating deposited on a commercial 25/35 Cr–Ni base alloy and aimed at reducing the coke formation under hydrocarbon atmosphere at >1100 K temperatures was investigated. It was benchmarked to the uncoated commercial 25/35 Cr–Ni base alloy with a known low coking tendency in ethane steam crack ...
DOI:
10.1021/acs.iecr.7b04271

8. CO2 Capture in Chemically and Thermally Modified Activated Carbons Using Breakthrough Measurements: Experimental and Modeling Study

Author:
Karimi, Mohsen; C. Silva, José A.; Gonçalves, Carmem N. d. P.; L. Diaz de Tuesta, Jose; Rodrigues, Alírio E.; Gomes, Helder T.
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.32 pp. 11154-11166
ISSN:
1520-5045
Subject:
temperature,   etc   ; activated carbon; adsorbents; adsorption; carbon dioxide; hydrogen peroxide; models; nitric acid; nitrogen; process design; response surface methodology; sorption isotherms; sulfuric acid; texture; urea;     Show all 15 Subjects
Abstract:
... The development of adsorption-based technologies for CO₂ capture in the postcombustion processes requires finding materials with high capacity of adsorption and low cost of preparation. In this study, the modification of a commercial activated carbon (Norit ROX 0.8), considered as a solid adsorbent for CO₂ capture, and the effects of different methods of activations, chemically (hydrogen peroxide, ...
DOI:
10.1021/acs.iecr.8b00953

9. CO2/H2 Selectivity Prediction of NaY, DD3R, and Silicalite Zeolite Membranes

Author:
Zito, Pasquale F.; Caravella, Alessio; Brunetti, Adele; Drioli, Enrico; Barbieri, Giuseppe
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.33 pp. 11431-11438
ISSN:
1520-5045
Subject:
temperature,   etc   ; adsorption; carbon dioxide; hydrogen; industry; prediction; zeolites;     Show all 7 Subjects
Abstract:
... Using DD3R, silicalite and NaY zeolite membrane for gas separation is an attractive prospect for the development of a sustainable green process industry. The interest in CO₂ and H₂ lies in their relatively strong and weak adsorption in zeolite, respectively, causing a peculiar behavior of membrane selectivity, which is here evaluated in a wide range of temperature (273–573 K), feed pressure (100–5 ...
DOI:
10.1021/acs.iecr.8b02707

10. Combustion Characteristics of Nanoaluminum Cloud in Different Atmospheres

Author:
Sun, Yunlan; Sun, Rong; Zhu, Baozhong; Wu, Yuxin; Wang, Qichang; Han, Weikang
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.1 pp. 129-138
ISSN:
1520-5045
Subject:
temperature,   etc   ; X-ray diffraction; air; aluminum; aluminum oxide; carbon dioxide; combustion; oxygen; process design; quartz; scanning electron microscopy;     Show all 11 Subjects
Abstract:
... The flame propagation of nanoaluminum cloud in different atmospheres such as CO₂, air, and O₂ was experimentally studied in a transparent quartz tube. Measurements of the flame length, height, propagation velocity, and temperature indicate that these parameters undergo regular changes in different atmospheres. The maximum measured temperature in CO₂ was lower than that in air. On the basis of thes ...
DOI:
10.1021/acs.iecr.7b04021

11. Computational and Experimental Study of Solid-Phase Formation during the Decompression of High-Pressure CO2 Pipelines

Author:
Martynov, Sergey; Zheng, Wentian; Mahgerefteh, Haroun; Brown, Solomon; Hebrard, Jerome; Jamois, Didier; Proust, Christophe
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.20 pp. 7054-7063
ISSN:
1520-5045
Subject:
temperature,   etc   ; carbon dioxide; liquids; model validation; models; pipelines; prediction; process design; solids; steel; vapors;     Show all 11 Subjects
Abstract:
... Decompression of CO₂ pipelines is studied both experimentally and numerically to provide a partially validated model as the basis for the prediction of the hazards associated with CO₂ solid formation. The pipeline decompression experiments, performed using a fully instrumented 36.7 m long and 50 mm internal diameter test pipe up to a maximum pressure of 45 bar, incorporating discharge orifice diam ...
DOI:
10.1021/acs.iecr.8b00181

12. Density Functional Theory Investigation of the Role of Cocatalytic Water in Methane Steam Reforming over Anatase TiO2 (101)

Author:
Hook, Alec; Nuber, Timothy P.; Celik, Fuat E.
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.24 pp. 8131-8143
ISSN:
1520-5045
Subject:
temperature,   etc   ; activation energy; carbon dioxide; carbon-hydrogen bond activation; dehydrogenation; density functional theory; energy; formaldehyde; hydrogen; methane; process design; steam; titanium dioxide;     Show all 13 Subjects
Abstract:
... The methane steam reforming (MSR) mechanism on the anatase TiO₂ (101) surface has been investigated using periodic density functional theory. Reaction energies for several pathways were calculated, and pathways involving high energy intermediates were eliminated from consideration. The remaining pathways all involved formaldehyde and formyl as intermediates. Activation energy barriers were calcula ...
DOI:
10.1021/acs.iecr.8b00944

13. Determining the Interactive Effects in CO2 Capture Integrated with Coal Flotation by High-Order Multifield Synergy Model

Author:
Yu, Yunsong; Hong, Yingting; Zhang, Zaoxiao; Wang, Geoff G. X.
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.7 pp. 2645-2657
ISSN:
1520-5045
Subject:
temperature,   etc   ; adsorption; carbon dioxide; coal; desorption; energy; greenhouse gases; models; particle size; prediction; process design; zeta potential;     Show all 12 Subjects
Abstract:
... CO₂ capture is very essential to mitigate the greenhouse gas control. However, the CO₂ desorption is quite costly during CO₂ capture. To reduce the cost, the CO₂ desorption integrated with coal flotation was developed as a retrofitted process, which can simultaneously achieve the CO₂ desorption and coal flotation. To determine the key interactive effects between coal, amine, and CO₂ in the process ...
DOI:
10.1021/acs.iecr.7b05191

14. Determining the Liquid Phase Equilibrium Speciation of the CO₂–MEA–H₂O System Using a Simplified in Situ Fourier Transform Infrared Method

Author:
du Preez, Louis J.; Motang, Neo; Callanan, Linda H.; Burger, Andries J.
Source:
Industrial & engineering chemistry process design and development 2018 v.58 no.1 pp. 469-478
ISSN:
1520-5045
Subject:
temperature,   etc   ; Fourier transform infrared spectroscopy; carbon dioxide; carbon sequestration; combustion; data collection; ethanolamine; gases; liquids; models; prediction; process design; reflectance; solvents;     Show all 14 Subjects
Abstract:
... Monoethanolamine (MEA) is commonly used to capture CO₂ from combustion gases. A simple, fast, and accurate Fourier transform infrared method, via attenuated total reflectance, was developed to determine the liquid phase equilibrium speciation in related CO₂–MEA–H₂O systems. Data were collected in a batch reactor at 1 atm pressure, temperatures of 20, 25, and 30 °C, and CO₂ loadings of 0–0.6 mol CO ...
DOI:
10.1021/acs.iecr.8b04437

15. Diffusion Properties for CO₂–Brine System under Sequestration-Related Pressures with Consideration of the Swelling Effect and Interfacial Area

Author:
Li, Xingbo; Liu, Yu; Jiang, Lanlan; Song, Yongchen
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.45 pp. 15556-15564
ISSN:
1520-5045
Subject:
temperature,   etc   ; X-radiation; aquifers; carbon dioxide; computed tomography; diffusivity; mass transfer; process design; quantitative analysis; scanners; solubility;     Show all 11 Subjects
Abstract:
... Molecular diffusion has been proved to be the main factor affecting the solubility and miscibility of carbon dioxide (CO₂). On the basis of previous work, X-ray computed tomography (CT) technology is developed in this paper to investigate the CO₂ diffusion process in brine with varying pressures and a constant temperature, simulating CO₂ storage in a saline aquifer. Interface migration and volume ...
DOI:
10.1021/acs.iecr.8b02727

16. Effect of Gd Promoter on the Structure and Catalytic Performance of Mesoporous Ni/Al₂O₃–CeO₂ in Dry Reforming of Methane

Author:
Zhang, Guoxia; Wang, Yuqi; Li, Xinkai; Bai, Yukun; Zheng, Lan; Wu, Le; Han, Xiaolong
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.50 pp. 17076-17085
ISSN:
1520-5045
Subject:
temperature,   etc   ; carbon dioxide; catalysts; catalytic activity; gadolinium; methane; molybdenum; nitrogen; physicochemical properties; porous media; process design;     Show all 11 Subjects
Abstract:
... A few Gd promoted Ni/Al₂O₃–CeO₂ catalysts were synthesized by one pot Pechini method and were employed in dry reforming of methane (DRM). The physicochemical characteristics of the catalyst samples were detected by N₂ adsorption–desorption, etc., which confirmed the successful synthesis of Ni/Al₂O₃–CeO₂–x%Gd₂O₃ with mesoporous structure. The effects of Gd loading amount and calcined temperature on ...
DOI:
10.1021/acs.iecr.8b03612

17. Effect of the Carbonation Temperature on the CO₂ Carrying Capacity of CaO

Author:
Criado, Yolanda A.; Arias, Borja; Abanades, J. Carlos
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.37 pp. 12595-12599
ISSN:
1520-5045
Subject:
temperature,   etc   ; calcium; calcium carbonate; calcium oxide; carbon dioxide; carbonation; carrying capacity; models; process design;     Show all 9 Subjects
Abstract:
... The calcium looping process based on the CaO/CaCO₃ carbonation/calcination cycle has been proven to be an efficient CO₂ capture technology. Most of the experimental work describing the behavior of the CaO particles has been performed under carbonation reference conditions of 650 °C and 10–15% vol CO₂. Although, process schemes recently proposed have pointed out the practical benefits of operating ...
DOI:
10.1021/acs.iecr.8b02111

18. Effects of Compressed CO2 and Cotton Fibers on the Crystallization and Foaming Behaviors of Polylactide

Author:
Zhang, Xiaoli; Ding, Weidan; Zhao, Na; Chen, Jingbo; Park, Chul B.
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.6 pp. 2094-2104
ISSN:
1520-5045
Subject:
temperature,   etc   ; carbon dioxide; cell structures; crystal structure; crystallization; crystals; foaming; lint cotton; polylactic acid; process design; thermal properties;     Show all 11 Subjects
Abstract:
... The foaming behavior and thermal properties of neat polylactide (PLA) and PLA/cotton-fiber composite foams were investigated in this study. CO₂ saturation pressure, temperature, and fibers content significantly affected PLA’s crystallinity and foaming behaviors. At the same saturation temperature (140 °C), a low CO₂ pressure generated nonuniform foam and a large unfoamed area due to too high cryst ...
DOI:
10.1021/acs.iecr.7b04139

19. Effects of Spinning Temperature on the Morphology and Performance of Poly(ether sulfone) Gas Separation Hollow Fiber Membranes

Author:
Liu, Xiangbao; Cao, Bing; Li, Pei
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.1 pp. 329-338
ISSN:
1520-5045
Subject:
temperature,   etc   ; carbon dioxide; coagulation; coatings; methane; nitrogen; oxygen; process design; scanning electron microscopes; scanning electron microscopy; silicone; spinning;     Show all 12 Subjects
Abstract:
... In this study, we demonstrated that poly(ether sulfone) (PES) hollow fiber membranes with almost defect-free surfaces could be prepared at low PES concentrations if the hollow fibers were spun at low temperatures by dry-jet wet spinning. A series of hollow fiber membranes were spun at different coagulation batch temperatures (Tc) and dope solution temperatures (Td). Effects of Tc and Td on the mem ...
DOI:
10.1021/acs.iecr.7b03990

20. Evaluating Regeneration Options of Solid Amine Sorbent for CO2 Removal

Author:
Bos, Martin J.; Kroeze, Vincent; Sutanto, Stevia; Brilman, Derk W. F.
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.32 pp. 11141-11153
ISSN:
1520-5045
Subject:
temperature,   etc   ; adsorption; air; biogas; carbon dioxide; case studies; desorption; energy efficiency; energy use and consumption; fermentation; fossil fuels; heat; hydrogen sulfide; inventories; models; process design; sorbents;     Show all 17 Subjects
Abstract:
... Biogas is one of the most popular alternative energy resources to replace fossil fuels. The product of anaerobic fermentation in a digester contains several impurities such as H₂S and especially CO₂ that needs to be removed in order to upgrade the gas quality. Supported amine sorbents (SAS) might provide an attractive option to remove these impurities. However, little is known about the regenerati ...
DOI:
10.1021/acs.iecr.8b00768
PubMed:
30270978
PubMed Central:
PMC6156101

21. Evaluation of Gas Hydrate Formation Temperature for Gas/Water/Salt/Alcohol Systems: Utilization of Extended UNIQUAC Model and PC-SAFT Equation of State

Author:
Kondori, Javad; Zendehboudi, Sohrab; James, Lesley
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.41 pp. 13833-13855
ISSN:
1520-5045
Subject:
temperature,   etc   ; butanes; calcium chloride; carbon cycle; carbon dioxide; climate change; coastal sediments; energy; equations; ethane; ethanol; gas hydrate; gases; glycerol; hydrogen sulfide; magnesium chloride; methane; methanol; potassium chloride; process design; propane; sodium chloride; thermodynamic models; thermodynamics; van der Waals forces;     Show all 25 Subjects
Abstract:
... Naturally occurring gas hydrates are of great importance as a strategic energy source. Hydrates affect coastal sediment stability, global climate change, and ocean carbon cycling. It is vital to understand the thermodynamic conditions of gas hydrates to control/manage and inhibit hydrate formation. A variety of equations of state (EOSs) have been utilized to model the thermodynamic behaviors of ga ...
DOI:
10.1021/acs.iecr.8b03011

22. Experimental Investigation and Thermodynamic Modeling of Phase Transition and Equilibria in a Biphasic Solvent System for CO2 Capture

Author:
Ye, Qing; Wang, Xinlei; Lu, Yongqi
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.29 pp. 9627-9640
ISSN:
1520-5045
Subject:
temperature,   etc   ; amines; carbon dioxide; desorption; heat; liquids; nuclear magnetic resonance spectroscopy; phase transition; prediction; process design; separation; solvents; spectral analysis; thermodynamic models;     Show all 14 Subjects
Abstract:
... A comprehensive thermodynamic model was developed to describe the dual liquid phase transition and vapor–liquid–liquid equilibria in biphasic solvent systems composed of aqueous diethylenetriamine and N,N,N′,N″,N″-pentamethyldiethylenetriamine for CO₂ capture. The liquid–liquid phase separation with respect to volumetric fraction of either phase and partition of amines between the dual phases was ...
DOI:
10.1021/acs.iecr.8b00990

23. Experimental Study of the Influence of Nitrogen and Oxygen on the Solubility of Solid Carbon Dioxide in Liquid and Vapor Methane at Low Temperature

Author:
Riva, Mauro; Stringari, Paolo
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.11 pp. 4124-4131
ISSN:
1520-5045
Subject:
temperature,   etc   ; air; biogas; carbon dioxide; liquefied natural gas; liquids; methane; nitrogen; oxygen; process design; solubility; thermodynamic models; vapors;     Show all 13 Subjects
Abstract:
... Undesired solid CO₂ formation is a main issue for the liquefied natural gas (LNG) industry and, more recently, for the bioLNG production. The abundance of CO₂ solubility data in liquid methane may not be sufficient to fully understand the problem when important amounts of air gases (O₂ and N₂) are present in the natural gas or biomethane. Scarcity and incompleteness of available solubility data in ...
DOI:
10.1021/acs.iecr.7b05224

24. Exploration of the Difference in Molecular Structure of n-C7 and CO2 Induced Asphaltenes

Author:
Joonaki, Edris; Buckman, Jim; Burgass, Rod; Tohidi, Bahman
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.26 pp. 8810-8818
ISSN:
1520-5045
Subject:
temperature,   etc   ; Fourier transform infrared spectroscopy; asphaltenes; carbon dioxide; chemical structure; energy-dispersive X-ray analysis; image analysis; nuclear magnetic resonance spectroscopy; oil fields; oils; oxygen; petroleum; process design; quartz crystal microbalance; scanning electron microscopy;     Show all 15 Subjects
Abstract:
... Determination of the molecular structure of asphaltenes, especially in their native environment, is a formidable challenge in petroleum chemistry. Here we demonstrate that a combination of different spectroscopy and imaging based experimental techniques can be utilized to determine structures of asphaltenes, which have precipitated out of a crude oil, in an environment similar to real field condit ...
DOI:
10.1021/acs.iecr.8b01634

25. Exploring the Role of Imidazoles in Amine-Impregnated Mesoporous Silica for CO2 Capture

Author:
Vu, Quyen T.; Yamada, Hidetaka; Yogo, Katsunori
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.7 pp. 2638-2644
ISSN:
1520-5045
Subject:
temperature,   etc   ; absorption; adsorbents; adsorption; amines; carbon dioxide; desorption; foams; heat; imidazoles; porous media; process design; silica; synergism;     Show all 14 Subjects
Abstract:
... A series of efficient adsorbents for CO₂ capture was prepared by a wet-impregnation method. Mesostructured cellular silica foam (MF) was selected as a support and modified with a mixture of tetraethylenepentamine (TEPA) and imidazoles (Ims) to improve the initial and working CO₂-adsorption capacity. The heat of adsorption was also evaluated. The impact of different amines and the adsorption temper ...
DOI:
10.1021/acs.iecr.7b04722

26. Extraction of Andrographolide from Andrographis paniculata Dried Leaves Using Supercritical CO₂ and Ethanol Mixture

Author:
Kumoro, Andri C.; Hasan, Masitah; Singh, Harcharan
Source:
Industrial & engineering chemistry process design and development 2018 v.58 no.2 pp. 742-751
ISSN:
1520-5045
Subject:
temperature,   etc   ; Andrographis paniculata; andrographolide; carbon dioxide; desorption; elderly; ethanol; leaves; lifestyle; models; process design; solvents; supercritical fluid extraction;     Show all 13 Subjects
Abstract:
... The increase in the number of world’s elderly population and changes in their lifestyle has triggered to the formation of diseases susceptible communities. Inherent with the aforementioned conditions, the need in andrographolide as one of natural remedies isolated from the leaves of Andrographis paniculata also increases. In this work, supercritical fluid extraction employing CO₂–ethanol mixture a ...
DOI:
10.1021/acs.iecr.8b02243

27. Facile Synthesis of Flame Spray Pyrolysis-Derived Magnesium Oxide Nanoparticles for CO2 Sorption: Effect of Precursors, Morphology, and Structural Properties

Author:
Boningari, Thirupathi; Inturi, Siva Nagi Reddy; Manousiouthakis, Vasilios I.; Smirniotis, Panagiotis G.
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.28 pp. 9054-9061
ISSN:
1520-5045
Subject:
temperature,   etc   ; X-ray diffraction; aerosols; calcium oxide; carbon dioxide; magnesium oxide; nanoparticles; process design; sorbents; sorption; surface area; thermogravimetry;     Show all 12 Subjects
Abstract:
... A series of MgO aerosol nanoparticles were prepared by using a flame aerosol method and examined for the CO₂ sorption at low-temperatures. Our XRD results suggest the formation of high purity magnesium oxide (MgO) phase. The CO₂ sorption was determined at temperatures ranging from 60 to 275 °C using thermogravimetric (TGA) analysis, where the results indicate that the increased CO₂ sorption we obs ...
DOI:
10.1021/acs.iecr.8b00188

28. First Evidence of Solvent Spillage under Subcritical Conditions in Aerogel Production

Author:
Bueno, Alberto; Selmer, Ilka; S.P, Raman; Gurikov, Pavel; Lölsberg, Wibke; Weinrich, Dirk; Fricke, Marc; Smirnova, Irina
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.26 pp. 8698-8707
ISSN:
1520-5045
Subject:
temperature,   etc   ; aerogels; alginates; autoclaves; carbon dioxide; ethanol; gases; liquids; polyurethanes; process design; silica; solubility; solvents;     Show all 13 Subjects
Abstract:
... The first evidence of solvent spillage under subcritical conditions during aerogel production is presented. The main objective was to understand the underlying phenomena controlling the solvent extraction kinetics during autoclave pressurization. Alginate, silica, and polyurethane as gels and ethanol, methyl ethyl ketone, and ethanol/water as solvents were investigated. When CO₂ diffuses in the ge ...
DOI:
10.1021/acs.iecr.8b00855

29. Formation Mechanism and Tuning for Bimodal Open-Celled Structure of Cellulose Acetate Foams Prepared by Supercritical CO₂ Foaming and Poly(ethylene glycol) Leaching

Author:
Xu, Linqiong; Qian, Shaoping; Zheng, Wenge; Bai, Yongkang; Zhao, Yongqing
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.46 pp. 15690-15696
ISSN:
1520-5045
Subject:
temperature,   etc   ; carbon dioxide; cell nucleus; cell walls; cellulose acetate; foaming; leaching; polyethylene glycol; process design; synergism;     Show all 10 Subjects
Abstract:
... The cellulose acetate/poly(ethylene glycol) (CA/PEG) blend with a weight ratio of 50/50 was solution-blended followed by supercritical carbon dioxide foaming and the PEG leaching process. Interestingly, a bimodal open-celled structure (BMOCS) with networks is obtained. Large cells are developed from the cell nuclei formed during rapid depressurization, while small cells are formed by leaching of P ...
DOI:
10.1021/acs.iecr.8b02753

30. Gas Transport Properties in Cross-Linked and Vacuum Annealed Poly(oxyindole biphenylylene) Membranes

Author:
Ortiz-Espinoza, Jesús; Ruiz-Treviño, F. Alberto; Hernández-Martínez, Hugo; Aguilar-Vega, Manuel J.; Zolotukhin, Mikhail G.
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.37 pp. 12511-12518
ISSN:
1520-5045
Subject:
temperature,   etc   ; Fourier transform infrared spectroscopy; carbon dioxide; crosslinking; gases; gels; hydrogen; methane; moieties; nitrogen; permeability; process design; solvents; wide-angle X-ray scattering;     Show all 14 Subjects
Abstract:
... This work studies useful routes to produce cross-linked poly(oxyindole biphenylylene) bearing a cross-linkable propargyl group, PNPr. Thus, the effect of cross-linking temperature and time on gas permeability and ideal selectivity for a non-cross-linked PNPr membrane to produce a cross-linked PNPr membrane is studied in detail in order to learn how more productive membranes, in terms of permeabili ...
DOI:
10.1021/acs.iecr.8b02735

31. Heat and Mass Transport Characteristics of Pressure Swing Adsorption for the Removal of High-Level Moisture along with CO2 from Air

Author:
Shi, Yun Fei; Liu, Xiang Jun
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.18 pp. 6464-6476
ISSN:
1520-5045
Subject:
temperature,   etc   ; adsorption; air; carbon dioxide; heat; mass transfer; mathematical models; process design; purification methods; water vapor;     Show all 10 Subjects
Abstract:
... High-level moisture removal is often encountered in the pressure swing adsorption (PSA) for air prepurification. The effects of high-concentration water vapor adsorption on the heat and mass transport characteristics of PSA should be described in detail for further design and optimization of air prepurification processes. In this work, a mathematical model of an alumina/13X-layered two-bed Skarstr ...
DOI:
10.1021/acs.iecr.8b00601

32. Highly Active Ni-Based Catalyst Derived from Double Hydroxides Precursor for Low Temperature CO2 Methanation

Author:
Guo, Xinpeng; Peng, Zhijian; Hu, Mingxiang; Zuo, Cuncun; Traitangwong, Atsadang; Meeyoo, Vissanu; Li, Chunshan; Zhang, Suojiang
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.28 pp. 9102-9111
ISSN:
1520-5045
Subject:
temperature,   etc   ; Fourier transform infrared spectroscopy; aluminum oxide; carbon; carbon dioxide; catalysts; catalytic activity; hydrotalcite; methane production; nanoparticles; nickel; nickel oxide; process design;     Show all 13 Subjects
Abstract:
... The Ni nanoparticles supported on Al₂O₃ metal oxides with different Ni²⁺/Al³⁺ molar ratios from 1/1 to 6/1 (denoted as NiₓAL-MO) derived from Ni–Al hydrotalcite precursors (NiₓAl-LDHs) were prepared and applied to CO₂ methanation at a low temperature. By adjusting the Ni²⁺/Al³⁺ ratios, the alkaline and reducibility of the catalysts were designed, and the catalysts showed efficient catalytic perfor ...
DOI:
10.1021/acs.iecr.8b01619

33. Hydrogenation of CO2 to Dimethyl Ether over Brønsted Acidic PdZn Catalysts

Author:
Bahruji, Hasliza; Armstrong, Robert D.; Ruiz Esquius, Jonathan; Jones, Wilm; Bowker, Michael; Hutchings, Graham J.
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.20 pp. 6821-6829
ISSN:
1520-5045
Subject:
temperature,   etc   ; Bronsted acids; alloy nanoparticles; alloys; carbon dioxide; catalysts; copper; hydrogenation; methanol; process design; vapors;     Show all 11 Subjects
Abstract:
... Eschewing the common trend toward use of catalysts composed of Cu, it is reported that PdZn alloys are active for CO₂ hydrogenation to oxygenates. It is shown that enhanced CO₂ conversion is achievable through the introduction of Brønsted acid sites, which promote dehydration of methanol to dimethyl ether. We report that deposition of PdZn alloy nanoparticles onto the solid acid ZSM-5, via chemica ...
DOI:
10.1021/acs.iecr.8b00230

34. Hydrogen Sulfide Hydrate Dissociation in the Presence of Liquid Water

Author:
Adeniyi, Kayode I.; Deering, Connor E.; Nagabhushana, G. P.; Marriott, Robert A.
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.45 pp. 15579-15585
ISSN:
1520-5045
Subject:
temperature,   etc   ; autoclaves; carbon dioxide; dissociation; energy; equations; hydrogen sulfide; liquids; methane; models; natural gas; process design; thermodynamics; toxicity; uncertainty; van der Waals forces; vapor pressure;     Show all 17 Subjects
Abstract:
... Of the major components found in lean sour natural gas (CH₄, H₂S, CO₂, H₂O), hydrogen sulfide (H₂S) readily forms the one of the highest temperature hydrates in the presence of water (structure I). Thus, when heating wellheads, flowlines, processing and injection facilities, the H₂S hydrate formation conditions dictate the design for flow assurance purposes. Due to the high toxicity of H₂S, there ...
DOI:
10.1021/acs.iecr.8b04017

35. Impact of Pyrolysis Temperature on Charcoal Characteristics

Author:
Tintner, Johannes; Preimesberger, Christoph; Pfeifer, Christoph; Soldo, Denis; Ottner, Franz; Wriessnig, Karin; Rennhofer, Harald; Lichtenegger, Helga; Novotny, Etelvino H.; Smidt, Ena
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.46 pp. 15613-15619
ISSN:
1520-5045
Subject:
temperature,   etc   ; Fagus; Fourier transform infrared spectroscopy; Picea; X-ray diffraction; calcite; calcium oxide; carbon dioxide; charcoal; graphene; laboratory experimentation; lignocellulose; models; nuclear magnetic resonance spectroscopy; process design; pyrolysis; small-angle X-ray scattering; thermogravimetry; wood;     Show all 19 Subjects
Abstract:
... Charcoals were produced from spruce and beech wood under laboratory conditions at different pyrolysis temperatures (300–1300 °C). Characterization of these charcoals was conducted using eight analytical methods. Each method describes specific changes in the temperature range until 1300 °C. Therefore, the combination of these methods provides comprehensive information on different pyrolysis stages. ...
DOI:
10.1021/acs.iecr.8b04094

36. Improved CO2 Sorption in Freeze-Dried Amine Functionalized Mesoporous Silica Sorbent

Author:
Wang, Wenjing; Motuzas, Julius; Zhao, Xiu Song; Diniz da Costa, João C.
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.16 pp. 5653-5660
ISSN:
1520-5045
Subject:
temperature,   etc   ; active sites; carbon dioxide; evaporation; flue gas; freeze drying; porous media; process design; silica; sorbents; sorption; surface area;     Show all 12 Subjects
Abstract:
... This work investigates the structural and CO₂ sorption properties of amine-functionalized mesoporous silica prepared by a freeze-drying method. It was found that the freeze-dried samples delivered significantly higher CO₂ sorption capacities up to a factor of 18 times as compared to samples prepared by the conventional oven-drying evaporation method. The improved performance of the freeze-drying m ...
DOI:
10.1021/acs.iecr.8b00129

37. Intensified p-Xylene Production Process through Toluene and Methanol Alkylation

Author:
Liu, Jing; Yang, Yu; Wei, Shun’an; Shen, Weifeng; Rakovitis, Nikolaos; Li, Jie
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.38 pp. 12829-12841
ISSN:
1520-5045
Subject:
temperature,   etc   ; alkylation; carbon dioxide; environmental impact; greenhouse gas emissions; heat; methanol; process design; quadratic programming; toluene; xylene;     Show all 11 Subjects
Abstract:
... The production of p-xylene has received more and more attention, since it is widely used in chemical synthetic resin, pharmaceutical, chemical fiber, and pesticide industries. The p-xylene production through toluene alkylation is considered to be more promising due to high selectivity of p-xylene and little environmental impact compared to other methods. Although the existing p-xylene production p ...
DOI:
10.1021/acs.iecr.8b00681

38. Investigation of CO2 Sorption Mechanisms in Isothermal Columns via Transient Material and Energy Balance PDE Models

Author:
Yang, Manda; Wang, Linxi; Kamali Shahri, Seyed Mehdi; Rioux, Robert M.; Armaou, Antonios
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.31 pp. 10303-10314
ISSN:
1520-5045
Subject:
temperature,   etc   ; calorimetry; carbon dioxide; convection; energy balance; mass spectrometry; models; process design; sorption;     Show all 9 Subjects
Abstract:
... The behavior of an isothermal packed bed sorption column for CO₂ is investigated based on combined mass spectrometry and calorimetry temporal measurements at different temperatures. The inclusion of the calorimetry data stream at multiple temperatures accentuates the limitations of our previous spatiotemporal model with a simple sorption mechanism to describe the experimental observations. We prop ...
DOI:
10.1021/acs.iecr.8b02176

39. Investigation of Energy-Saving Designs for an Aqueous Ammonia-Based Carbon Capture Process

Author:
Liu, Jialin
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.45 pp. 15460-15472
ISSN:
1520-5045
Subject:
temperature,   etc   ; ammonia; ammonium bicarbonate; carbon; carbon dioxide; energy; energy conservation; process design; solvents; volatilization;     Show all 10 Subjects
Abstract:
... In an aqueous ammonia-based postcombustion carbon capture (PCC) process, the regeneration energy of the CO₂ lean solvent dominates the overall energy consumption. The energy reduction in the CO₂ stripper can be achieved by either formulating new solvents or optimizing the process configurations. The ammonia concentration in the lean solvent is an important design parameter. A high concentration of ...
DOI:
10.1021/acs.iecr.8b03658

40. Investigation of Y2O3/MxOy-Incorporated Ca-Based Sorbents for Efficient and Stable CO2 Capture at High Temperature

Author:
He, Donglin; Qin, Changlei; Zhang, Zonghao; Pi, Shuai; Ran, Jingyu; Pu, Ge
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.34 pp. 11625-11635
ISSN:
1520-5045
Subject:
temperature,   etc   ; calcium; carbon; carbon dioxide; global warming; greenhouse gas emissions; magnesium; magnesium oxide; nanoparticles; process design; sorbents; sorption; surface area;     Show all 13 Subjects
Abstract:
... The control of anthropogenic CO₂ emissions has attracted worldwide attention because of global warming. Among diverse carbon capture technologies, calcium looping (CaL) is proposed as a favorable approach for postcombustion CO₂ mitigation. However, the sorbents’ capacitive loss with increased CaL cycling has severely limited the efficient application of the method. Therefore, obtaining sintering-r ...
DOI:
10.1021/acs.iecr.8b02064

41. Investigation on Pulverized Coal Char Oxy-Combustion Behavior at Moderate and High Temperatures: Experiments and a Novel Developed Kinetics Modeling

Author:
Liu, Jingzhang; Li, Baihang; Zhu, Jianguo
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.36 pp. 12264-12277
ISSN:
1520-5045
Subject:
temperature,   etc   ; burning; carbon; carbon dioxide; carbon monoxide; chemical interactions; coal; combustion; gasification; melting; models; oxygen; process design;     Show all 13 Subjects
Abstract:
... In oxyfuel combustion with temperature higher than ash flowing temperature (FT), both chemical interactions between the char gasification reaction with carbon dioxide, that is, C+CO₂ → 2CO, and the char oxidation reaction with oxygen, that is, C + (2-f)/2O₂ → fCO + (1-f)CO₂, are needed for further investigation. Both experiments and a novel developed kinetics model compared with three previous kin ...
DOI:
10.1021/acs.iecr.8b02428

42. Ion-Exchanged Silicoaluminophosphate-34 Membrane for Efficient CO₂/N₂ Separation with Low CO₂ Concentration in the Gas Mixture

Author:
Chew, Thiam Leng; Yeong, Yin Fong; Ho, Chii Dong; Ahmad, Abdul Latif
Source:
Industrial & engineering chemistry process design and development 2018 v.58 no.2 pp. 729-735
ISSN:
1520-5045
Subject:
temperature,   etc   ; barium; carbon dioxide; durability; nitrogen; process design; zeolites;     Show all 7 Subjects
Abstract:
... The Ba form of a silicoaluminophosphate-34 (SAPO-34) zeolite membrane was synthesized and investigated for carbon dioxide (CO₂)/nitrogen (N₂) separation with low CO₂ concentration (as low as 5%) in the feed. The effects of the separation temperature, CO₂ concentration in the feed, and pressure difference on the separation performance of the Ba form of a SAPO-34 zeolite membrane were investigated. ...
DOI:
10.1021/acs.iecr.8b03543

43. Ionic Liquid/Quaternary Ammonium Salt Integrated Heterogeneous Catalytic System for the Efficient Coupling of Carbon Dioxide with Epoxides

Author:
Shi, Lijuan; Xu, Shaobo; Zhang, Qiri; Liu, Tingting; Wei, Bohui; Zhao, Yanfei; Meng, Lixin; Li, Jun
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.45 pp. 15319-15328
ISSN:
1520-5045
Subject:
temperature,   etc   ; active sites; adsorption; ammonium salts; carbon dioxide; carbon dioxide enrichment; carbonates; catalysts; epoxides; iodides; ionic liquids; porous media; process design; quaternary ammonium compounds; silica; synergism;     Show all 16 Subjects
Abstract:
... A heterogeneous catalytic system featuring multifunctional sites has been constructed through the grafting of an amino-functionalized imidazolium ionic liquid (Si-IM-NH₂) and a quaternary ammonium salt (Si-TBAI) on mesoporous cagelike silica SBA-16 for the coupling of carbon dioxide (CO₂) with epoxides. The resultant composites SBA-16@IM-NH₂ and SBA-16@TBAI, even with much lower Brunauer–Emmett–Te ...
DOI:
10.1021/acs.iecr.8b04108

44. Kinetics of CO2 Capture by Hydroquinone Clathrates

Author:
Coupan, Romuald; Torré, Jean-Philippe; Dicharry, Christophe; Hemati, Mehrdji; Plantier, Frédéric
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.24 pp. 8172-8182
ISSN:
1520-5045
Subject:
temperature,   etc   ; carbon dioxide; composite materials; hydroquinone; pellets; porosity; process design; texture;     Show all 8 Subjects
Abstract:
... Organic clathrates formed by combining hydroquinone (HQ) and CO₂ could offer very interesting prospects in the near future, particularly in the field of CO₂ capture and storage. However, one of the main limitations hindering the large-scale deployment of this type of clathrate-based technology is the slow enclathration kinetics. Our experiments, performed at different pressures (1.5, 3.0, and 4.5 ...
DOI:
10.1021/acs.iecr.8b01462

45. Low Temperature Oxidative Dehydrogenation of Ethane by Ce-Modified NiNb Catalysts

Author:
Park, Justin L.; Balijepalli, Santosh K.; Argyle, Morris D.; Stowers, Kara J.
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.15 pp. 5234-5240
ISSN:
1520-5045
Subject:
temperature,   etc   ; active sites; alkenes; carbon dioxide; catalysts; dehydrogenation; ethane; ethylene production; nickel; nickel oxide; oxidation; oxygen; process design;     Show all 13 Subjects
Abstract:
... Low temperature oxidative dehydrogenation catalysts are becoming a viable material for drastically altering the production of small chain alkenes. Among materials used, bimetallic and trimetallic nickel catalysts have shown great promise. In this study, we report a 38% increase in the rate of ethylene production with the addition of Ce to NiNb catalysts. Oxidative dehydrogenation of ethane was per ...
DOI:
10.1021/acs.iecr.8b00531

46. Merits of the Addition of PTFE Micropowder in Supercritical Carbon Dioxide Foaming of Polypropylene: Ultrahigh Cell Density, High Tensile Strength, and Good Sound Insulation

Author:
Yang, Chenguang; Xing, Zhe; Wang, Mouhua; Zhao, Quan; Wu, Guozhong
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.5 pp. 1498-1505
ISSN:
1520-5045
Subject:
temperature,   etc   ; absorption; carbon dioxide; foaming; granules; insulating materials; microparticles; polypropylenes; polytetrafluoroethylene; process design; tensile strength;     Show all 11 Subjects
Abstract:
... Ultrahigh-cell-density polypropylene (PP) foam was prepared by supercritical carbon dioxide (scCO₂) foaming in the presence of porous polytetrafluoroethylene (PTFE) micropowder. The voids of PTFE microparticles were filled with supercritical CO₂, causing them to split into multiple granules due to the force of its expansion during the pressure release, resulting in the formation of a large number ...
DOI:
10.1021/acs.iecr.7b04644

47. Modeling Viscosity of Ionic Liquids with Electrolyte Perturbed-Chain Statistical Associating Fluid Theory and Free Volume Theory

Author:
Sun, Yunhao; Shen, Gulou; Held, Christoph; Feng, Xin; Lu, Xiaohua; Ji, Xiaoyan
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.26 pp. 8784-8801
ISSN:
1520-5045
Subject:
temperature,   etc   ; anions; bromides; carbon dioxide; cations; chlorides; industrial applications; ionic liquids; models; prediction; process design; surveys; viscosity;     Show all 13 Subjects
Abstract:
... Viscosity is one of the most important physical properties when developing ionic liquids (ILs) for industrial applications such as CO₂ separation. The viscosities of ILs have been measured experimentally, while the modeling work is still limited. In this work, the electrolyte perturbed-chain statistical associating fluid theory (ePC-SAFT) was combined with the free volume theory (FVT) to model the ...
DOI:
10.1021/acs.iecr.8b00328

48. Modified UNIFAC-Lei Model for Ionic Liquid–CH4 Systems

Author:
Yu, Gangqiang; Dai, Chengna; Lei, Zhigang
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.20 pp. 7064-7076
ISSN:
1520-5045
Subject:
temperature,   etc   ; anions; carbon dioxide; cations; ionic liquids; methane; models; process design; solubility;     Show all 9 Subjects
Abstract:
... The modified UNIFAC-Lei model (Mod. UNIFAC-Lei) is proposed for the first time for ionic liquid (IL)–methane (CH₄) systems over a wide temperature and pressure range. The group binary interaction parameters were obtained by correlating the experimental solubility data of CH₄, both from the literature and that measured in this work. The CH₄ solubility in common pure ILs and mixed ILs at temperature ...
DOI:
10.1021/acs.iecr.8b00986

49. MO-MCS, a Derivative-Free Algorithm for the Multiobjective Optimization of Adsorption Processes

Author:
Capra, Federico; Gazzani, Matteo; Joss, Lisa; Mazzotti, Marco; Martelli, Emanuele
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.30 pp. 9977-9993
ISSN:
1520-5045
Subject:
temperature,   etc   ; adsorption; algorithms; carbon dioxide; case studies; energy; hydrogen; process design;     Show all 8 Subjects
Abstract:
... Cyclic adsorption processes for gas separation, such as pressure and temperature swing adsorption (PSA and TSA), are nonstationary multicolumn processes. Their design involves many degrees of freedom, which offers a very high flexibility while calling for a systematic and rigorous optimization approach. As an additional challenge, optimization of these separation processes involves multiple object ...
DOI:
10.1021/acs.iecr.8b00207

50. Moving Beyond Adsorption Capacity in Design of Adsorbents for CO₂ Capture from Ultradilute Feeds: Kinetics of CO₂ Adsorption in Materials with Stepped Isotherms

Author:
Darunte, Lalit A.; Sen, Trisha; Bhawanani, Chiraag; Walton, Krista S.; Sholl, David S.; Realff, Matthew J.; Jones, Christopher W.
Source:
Industrial & engineering chemistry process design and development 2018 v.58 no.1 pp. 366-377
ISSN:
1520-5045
Subject:
temperature,   etc   ; adsorbents; adsorption; air; carbon dioxide; desorption; empirical models; ethylene; feeds; kinetics; mass transfer; process design; reaction mechanisms; sorption isotherms;     Show all 14 Subjects
Abstract:
... Amine-functionalized metal organic frameworks (MOFs) such as Mg₂(dobpdc) have shown some of the highest capacities for CO₂ capture under simulated direct air capture (DAC) conditions, i.e., at a CO₂ partial pressure at 0.4 mbar. The most widely studied materials of this kind have adsorption isotherms whose shape is controlled by the material’s underlying cooperative adsorption mechanism for CO₂. P ...
DOI:
10.1021/acs.iecr.8b05042