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You searched for: Journal Industrial & Engineering Chemistry Research Remove constraint Journal: Industrial & Engineering Chemistry Research Publication Year 2013 Remove constraint Publication Year: 2013 Source 2013 v.52 no.42 Remove constraint Source: 2013 v.52 no.42
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1. Adsorption of CO2 from Simulated Flue Gas on Pentaethylenehexamine-Loaded Mesoporous Silica Support Adsorbent

Author:
Wei, Li; Gao, Zhengming; Jing, Yu; Wang, Yundong
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14965-14974
ISSN:
1520-5045
Subject:
X-ray diffraction; adsorbents; adsorption; carbon dioxide; desorption; engineering; flue gas; models; nitrogen; porous media; scanning electron microscopy; silica; temperature; transmission electron microscopy
Abstract:
... A novel solid adsorbent for CO₂ capture was developed by loading pentaethylenehexamine (PEHA) on SBA-15 by a wet impregnation method. The structural properties of the adsorbents were characterized by the XRD, N₂ adsorption/desorption, TGA, SEM, and TEM techniques. The effects of PEHA loading, adsorption temperature, and height/diameter ratio of the fixed bed on the CO₂ adsorption performance were ...
DOI:
10.1021/ie402162x

2. Biocatalysts: Isolation, Identification, and Immobilization of Thermally Stable Lipase onto Three Novel Biopolymeric Supports

Author:
Elnashar, Magdy M. M.; Mostafa, Hanan; Morsy, Nagy A.; Awad, Ghada E. A.
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14760-14767
ISSN:
1520-5045
Subject:
Fourier transform infrared spectroscopy; Rhizopus oryzae; alginates; biocatalysts; biopolymers; carboxylic ester hydrolases; carrageenan; chemical bonding; durability; engineering; enzyme activity; fungi; gels; hydrolysis; immobilized enzymes; oils; temperature; thermal stability
Abstract:
... Lipase, one of the most important and versatile industrial enzymes, has been isolated, identified, and immobilized onto three novel supports prepared based on our US patent (US20110076737). Nine fungal isolates were cultivated, and maximum lipase activity of 285 U/mL was achieved from the fungal isolate identified as Rhizopus oryzae GF1. The enzyme was shown to be thermally stable at 50 °C for 210 ...
DOI:
10.1021/ie402960d

3. Continuous Test of Ilmenite-Based Oxygen Carriers for Chemical Looping Combustion in a Dual Fluidized Bed Reactor System

Author:
Bao, Jinhua; Li, Zhenshan; Sun, Hongming; Cai, Ningsheng
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14817-14827
ISSN:
1520-5045
Subject:
carbon dioxide; carbon monoxide; combustion; engineering; fluidized beds; fuels; inventories; oxygen; potassium; strength (mechanics); temperature; volatilization
Abstract:
... Raw ilmenite was tested as an oxygen carrier for chemical looping combustion (CLC) in a dual fluidized bed reactor for 100 h. After this 100 h test, 21 wt % of the total used raw ilmenite was impregnated with 10 wt % potassium (K). The K-impregnated ilmenite mixed with the remaining used raw ilmenite was tested in the same reactor for 40 h. During the 100 h test, raw ilmenite showed a low reductio ...
DOI:
10.1021/ie4025209

4. Correlated ab Initio and Electroanalytical Study on Inhibition Behavior of 2-Mercaptobenzothiazole and Its Thiole–Thione Tautomerism Effect for the Corrosion of Steel (API 5L X52) in Sulphuric Acid Solution

Author:
Gholami, Majid; Danaee, Iman; Maddahy, Mohammad Hosein; RashvandAvei, Mehdi
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14875-14889
ISSN:
1520-5045
Subject:
adsorption; corrosion; electrochemistry; engineering; methodology; quantitative structure-activity relationships; sorption isotherms; steel; sulfuric acid; tautomerization; tautomers; temperature; thermodynamics
Abstract:
... The inhibition effect of 2-mercaptobenzothiazole (MBT) on the corrosion of steel (API 5L X52) in 1 M H₂SO₄ was investigated by electrochemical and theoretical methods. The results of the investigation show that this compound has excellent inhibiting properties for steel corrosion in sulphuric acid and the inhibition efficiency increases with the increase in inhibitor concentration. The adsorption ...
DOI:
10.1021/ie402108g

5. Deposition CO2 Capture Process Using a Free Piston Stirling Cooler

Author:
Song, Chunfeng; Kitamura, Yutaka; Li, Shuhong; Lu, Jingwen
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14936-14943
ISSN:
1520-5045
Subject:
carbon dioxide; coolers; electric power; energy; engineering; flue gas; mathematical models; temperature
Abstract:
... As a promising alternative to mitigate the emission of CO₂, cryogenic CO₂ capture techniques have been paid increasing attention. In our previous works, a novel deposition CO₂ capture process based on free piston Stirling coolers (FPSCs) has been developed. Compared to conventional cryogenic CO₂ capture approaches, FPSC was selected to provide cold energy for CO₂ deposition because of its signific ...
DOI:
10.1021/ie401026f

6. Dopamine-Modified Alginate Beads Reinforced by Cross-Linking via Titanium Coordination or Self-Polymerization and Its Application in Enzyme Immobilization

Author:
Wang, Xiaoli; Jiang, Zhongyi; Shi, Jiafu; Zhang, Chunhong; Zhang, Wenyan; Wu, Hong
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14828-14836
ISSN:
1520-5045
Subject:
Fourier transform infrared spectroscopy; alcohol dehydrogenase; alginates; calcium; chemical bonding; circular dichroism spectroscopy; crosslinking; dopamine; engineering; immobilized enzymes; mechanical properties; pH; recycling; titanium
Abstract:
... Two novel kinds of dopamine-modified alginate beads were developed by using titanium(IV) coordination or self-polymerization, besides the conventional Ca²⁺ ion cross-linking. Alginate was modified with dopamine (AlgDA) via EDC/NHS chemistry. Fourier transform infrared spectroscopy (FTIR) and circular dichroism (CD) characterization confirmed that dopamine was covalently attached preferentially to ...
DOI:
10.1021/ie401239e

7. Effective Removal of Heavy Metal Ions from Industrial Wastes Using Thiosalicylhydrazide-Modified Magnetic Nanoparticles

Author:
Zargoosh, Kiomars; Abedini, Hamed; Abdolmaleki, Amir; Molavian, Mohammad Reza
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14944-14954
ISSN:
1520-5045
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; adsorbents; adsorption; alkaline earth metals; atomic force microscopy; cadmium; cobalt; copper; engineering; heavy metals; industrial wastes; iron oxides; lead; magnetic properties; magnetism; metal ions; nanoparticles; porosity; scanning electron microscopy; transmission electron microscopy; zinc
Abstract:
... A novel magnetic nanoadsorbent has been synthesized by the covalent immobilization of thiosalicylhydrazide on the surface of Fe₃O₄ nanoparticles. Size, structure, magnetic property, and porosity of the prepared magnetic nanoparticles (MNPs) were studied by scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), transmission electron microscopy (TE ...
DOI:
10.1021/ie401971w

8. Electrochemical Pre-Treatment Combined with Biological Treatment for the Degradation of Methylene Blue Dye: Pb/PbO2 Electrode and Modeling-Optimization through Central Composite Design

Author:
Yahiaoui, Idris; Aissani-Benissad, Farida; Madi, Katia; Benmehdi, Nassima; Fourcade, Florence; Amrane, Abdeltif
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14743-14751
ISSN:
1520-5045
Subject:
activated sludge; agitation; biodegradability; biological treatment; decolorization; electrochemistry; electrodes; electrolysis; methylene blue; mineralization; models; temperature; wastewater
Abstract:
... Electrochemical pretreatment of wastewater containing methylene blue was studied on an Pb/PbO₂ electrode and showed enhancement of the color removal efficiency for increasing current density and decreasing dye concentration. The effect of the temperature was more pronounced at a high initial dye concentration (134 mg L–¹) compared to a low initial concentration (12 mg L–¹), whereas it was the oppo ...
DOI:
10.1021/ie401367q

9. Energy-Efficient Diabatic Distillation Using a Horizontal Distillation Column

Author:
Kim, Byoung Chul; Chun, Ho Hwan; Kim, Young Han
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14927-14935
ISSN:
1520-5045
Subject:
distillation; energy efficiency; engineering; liquids; models; vapors
Abstract:
... A conventional distillation column has two limitations causing heavy energy demand: short residence time of liquid flow and excessive vapor flow due to the external reflux flow. These are originated from the vertical structure and adiabatic operation of the column. By utilizing a horizontal distillation column with diabatic operation, the reduction of energy demand of the conventional distillation ...
DOI:
10.1021/ie4013997

10. Esterification of Oleic Acid with Glycerol in the Presence of Supported Zinc Oxide as Catalyst

Author:
Singh, Dheerendra; Patidar, Prafull; Ganesh, Anuradda; Mahajani, Sanjay
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14776-14786
ISSN:
1520-5045
Subject:
catalysts; engineering; esterification; glycerol; kinetics; monoacylglycerols; oleic acid; reaction kinetics; temperature; zeolites; zinc oxide
Abstract:
... The work deals with development of a new catalyst ZnO/zeolite and its performance evaluation for the industrially important reaction of esterification of oleic acid with glycerol. It is a reaction that takes place in liquid–liquid mode due to partial miscibility of glycerol and oleic acid. The reaction kinetics and product distribution over the developed catalyst are investigated under different c ...
DOI:
10.1021/ie401636v

11. Fabrication of Boehmite/Alginate Hybrid Beads for Efficient Enzyme Immobilization

Author:
Ai, Qinghong; Yang, Dong; Zhu, Yuanyuan; Jiang, Zhongyi
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14898-14905
ISSN:
1520-5045
Subject:
alcohol dehydrogenase; boehmite; calcium alginate; carbon dioxide; chemistry; electrostatic interactions; encapsulation; engineering; fluorescence; hybridization; immobilized enzymes; yeasts
Abstract:
... A novel kind of matrix for enzyme immobilization, the boehmite/alginate hybrid beads, was fabricated under mild conditions in this study. The boehmite particles were first prepared via a mild sol–gel technology and were then entrapped into the inherent network of calcium alginate. The characterization results suggest that the hybridization between alginate and boehmite belongs to a physical blendi ...
DOI:
10.1021/ie4021649

12. Facile Ionic-Liquid-Assisted Synthesis of Nanopowder Ammonium Cadmium Phosphate with Highly Efficient Lead-Ion Removal from Glucose Solution

Author:
Xu, Mingyu; Yin, Ping; Liu, Wei; Liu, Chunping; Tang, Qinghua; Qu, Rongjun; Xu, Qiang
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14752-14759
ISSN:
1520-5045
Subject:
adsorbents; adsorption; beverage industry; beverages; engineering; equations; food chain; glucose; heavy metals; human health; ionic liquids; ions; lead; phosphates; polluted soils
Abstract:
... Heavy-metal uptake by plants growing in contaminated soil poses a potential harm to human health because of its transition into the food chain, and the removal of heavy metals from beverages has attracted considerable attention. In the present article, a facile ionic-liquid-assisted synthesis of nanopowder ammonium cadmium phosphate (NPACP) using an ionic liquid with a large anion, namely, 1-butyl ...
DOI:
10.1021/ie401727w

13. High Conversion Efficiency of Dye-Sensitized Solar Cells Based on Coral-like TiO2 Nanostructured Films: Synthesis and Physical Characterization

Author:
Bahramian, Alireza
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14837-14846
ISSN:
1520-5045
Subject:
annealing; electric current; electrolytes; engineering; hydrolysis; light scattering; photovoltaic cells; porous media; sol-gel processing; surface area; temperature; titanium dioxide
Abstract:
... Coral-like TiO₂ nanostructured films were chemically synthesized through the sol–gel method for fabrication of dye-sensitized solar cell (DSSC). The influence of experimental parameters such as precursor hydrolysis rate, reaction time, type and concentration of acid, and annealing temperature was studied through analysis of the surface structure of the films. The coral-like TiO₂ film has excellent ...
DOI:
10.1021/ie402536h

14. Influence of Polymorphs on the Transformation Water Activity of Theophylline

Author:
Liu, Chongjun; Dang, Leping; Tong, Yao; Wei, Hongyuan
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14979-14983
ISSN:
1520-5045
Subject:
acetone; acetonitrile; ethanol; methanol; process control; solubility; theophylline; thermodynamics; water activity
Abstract:
... In this paper, the influence of polymorphs on the transformation water activity that corresponds to the transformation between hydrate and anhydrate of theophylline was investigated. Theophylline is known to exist either as anhydrates or a monohydrate. The transformation water activities of theophylline form II and IV were determined respectively, and the solubility data of these two forms in meth ...
DOI:
10.1021/ie401262g

15. Kinetic Studies of a Novel CO2 Gasification Method Using Coal from Deep Unmineable Seams

Author:
Silbermann, Rico; Gomez, Arturo; Gates, Ian; Mahinpey, Nader
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14787-14797
ISSN:
1520-5045
Subject:
Cretaceous period; ash content; basins; carbon; carbon dioxide; coal; engineering; gasification; models; nitrogen; surface area; temperature
Abstract:
... Seven coal samples taken from cores drilled in the Cretaceous Mannville Group were used for investigation of coal properties and carbon dioxide (CO₂) gasification. The depths of the cores ranged between 700 and 800 m below the surface in the Western Canadian Sedimentary Basin. A new method was developed with an average heating rate of 200 K/min using CO₂ as the gasifying agent from the experiment’ ...
DOI:
10.1021/ie401918e

16. Manufacturing of Nanoemulsions Using Nanoporous Anodized Alumina Membranes: Experimental Investigation and Process Modeling

Author:
Lee, Kah P.; Mattia, Davide
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14866-14874
ISSN:
1520-5045
Subject:
aluminum oxide; droplet size; droplets; engineering; manufacturing; models; nanoemulsions; nanopores; polysorbates; sunflower oil; surfactants
Abstract:
... Tubular anodic alumina membranes, containing self-ordered and circular pores below 100 nm, were used to produce sunflower oil in water emulsions. Span 80 and Tween 20 were used as surfactants in the dispersed phase and continuous phase, respectively. Both dead-end and cross-flow processes were investigated. Membrane pore diameter and cross-flow velocity dominated the final droplet size. The drople ...
DOI:
10.1021/ie401960n

17. Mesoporous Mn0.5Co0.5Fe2O4 Nanospheres Grown on Graphene for Enhanced Lithium Storage Properties

Author:
Zhang, Zailei; Wang, Yanhong; Li, Dan; Tan, Qiangqiang; Chen, Yunfa; Zhong, Ziyi; Su, Fabing
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14906-14912
ISSN:
1520-5045
Subject:
anodes; batteries; electrochemistry; ferric chloride; graphene; lithium; nanocomposites; nanoparticles; nanospheres; porous media; solvents
Abstract:
... We report in situ growth of mesoporous Mn₀.₅Co₀.₅Fe₂O₄ (MCFO) nanospheres on graphene to form MCFO/graphene nanocomposites by a facile solvothermal method. In the synthesis, Mn(CH₃COO)₂, Co(CH₃COO)₂, and FeCl₃ were used as the metal precursors and CH₃COOK, CH₃COOC₂H₅, and HOCH₂CH₂OH as the mixed solvent. The obtained MCFO nanospheres (50–200 nm) were composed of small nanoparticles (5–15 nm), and ...
DOI:
10.1021/ie4026727

18. Natural Products for Material Protection: Inhibition of Mild Steel Corrosion by Date Palm Seed Extracts in Acidic Media

Author:
Umoren, Saviour A.; Gasem, Zuhair M.; Obot, Ime B.
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14855-14865
ISSN:
1520-5045
Subject:
Phoenix dactylifera; adsorption; corrosion; electrochemistry; engineering; hydrochloric acid; seed extracts; sorption isotherms; steel; sulfuric acid; temperature; weight loss
Abstract:
... The corrosion inhibition effect of date palm (Phoenix dactylifera) seed extracts for mild steel in 1 M HCl and 0.5 M H₂SO₄ solutions was investigated by weight loss and electrochemical methods. The inhibition efficiency increased with an increase in the extract concentration and decreased with an increase in the temperature. Extract concentrations of 2.5 and 1.5 g L–¹ gave maximum inhibition effic ...
DOI:
10.1021/ie401737u

19. Nonlinear Homotopic Continuation Methods: A Chemical Engineering Perspective Review

Author:
Jiménez-Islas, Hugo; Martínez-González, Gloria M.; Navarrete-Bolaños, José L.; Botello-Álvarez, José E.; Oliveros-Muñoz, J. Manuel
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14729-14742
ISSN:
1520-5045
Subject:
chemical engineering; chemistry; mathematical theory; sustainable engineering; topology
Abstract:
... It is difficult to imagine mathematics or engineering to date without nonlinear algebraic systems; these topics have deserved more diverse and vigorous interest over the years. In fact, one of the most important modern branches of mathematics originated in this context, topology, which has been inseparable from homotopy theory, describes a powerful intuitive tool to solve nonlinear algebraic syste ...
DOI:
10.1021/ie402418e

20. Power Consumption in Uncovered Unbaffled Stirred Tanks: Influence of the Viscosity and Flow Regime

Author:
Scargiali, Francesca; Busciglio, Antonio; Grisafi, Franco; Tamburini, Alessandro; Micale, Giorgio; Brucato, Alberto
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.42 pp. 14998-15005
ISSN:
1520-5045
Subject:
air; energy use and consumption; impellers; liquids; prediction; tanks; viscosity
Abstract:
... Notwithstanding the increasing industrial interest toward unbaffled tanks, available experimental information on their behavior is still scant, even for basic quantities such as the mechanical power drawn. In this work, the influence of the Reynolds and Froude numbers on the power consumption characteristics is presented for unbaffled stirred tanks operating both in nonaerated conditions (subcriti ...
DOI:
10.1021/ie402466w