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1. Recyclability and Recoverability of Rolling Stock with Recycling Efficiency Factors

Author:
Lee, Cheul-Kyu; Lee, Jae-Young; Kim, Junbeum
Source:
Resources, conservation, and recycling 2020 v.155 pp. 104620
ISSN:
0921-3449
Subject:
thermogravimetry,   etc   ; calorimeters; energy recovery; environmental assessment; recycling; ships;     Show all 6 Subjects
Abstract:
... To date, many studies focusing on recycling technologies, regulations and standards, material recovery, and environmental assessment of end-of-life products, end-of-life vehicles, and end-of-life ships have been conducted. In fact, the assessment of recyclability and recoverability for end-of-life products and vehicles is one of the most important issues in recycling and waste management. However, ...
DOI:
10.1016/j.resconrec.2019.104620

2. Thermal interaction analysis of isolated hemicellulose and cellulose by kinetic parameters during biomass pyrolysis

Author:
Ding, Yanming; Huang, Biqing; Li, Kaiyuan; Du, Wenzhou; Lu, Kaihua; Zhang, Yansong
Source:
Energy 2020 v.195 pp. 117010
ISSN:
0360-5442
Subject:
thermogravimetry,   etc   ; activation energy; algorithms; artificial intelligence; biomass; cellulose; hemicellulose; pyrolysis;     Show all 8 Subjects
Abstract:
... Thermal interactions of isolated hemicellulose and cellulose were analyzed during biomass pyrolysis. Different from the previous researches focus on pyrolysis products, the current study paid attention to the kinetic parameters coupled with artificial intelligence optimization algorithm to explore whether the interactions of hemicellulose and cellulose could be ignored or not. A series of thermogr ...
DOI:
10.1016/j.energy.2020.117010

3. Study on Char-Ash-Slag-Liquid Transition and Its Effect on Char Reactivity

Author:
Zhang, Xinsha; Bai, Yonghui; Wei, Juntao; Song, Xudong; Wang, Jiaofei; Yao, Min; Yu, Guangsuo
Source:
Energy & fuels 2020 v.34 no.3 pp. 3941-3951
ISSN:
1520-5029
Subject:
thermogravimetry,   etc   ; carbon; catalytic activity; gasification; lignite; shrinkage; temperature;     Show all 7 Subjects
Abstract:
... In the entrained flow gasification process, char-ash-slag-liquid transition affected the gasification reactivity. Meihuajing bituminous coal (MB) and Xiaolongtan lignite (XL) were chosen to prepare raw and demineralized char, respectively. The gasification reactivity and char-ash-slag-liquid transition of raw and demineralized chars were characterized by thermogravimetric analyzer and in situ heat ...
DOI:
10.1021/acs.energyfuels.9b03155

4. Estimating errors in the determination of activation energy by advanced nonlinear isoconversional method applied for thermoanalytical measurements performed under arbitrary temperature programs

Author:
Budrugeac, P.
Source:
Thermochimica acta 2020 v.684 pp. 178507
ISSN:
0040-6031
Subject:
thermogravimetry,   etc   ; activation energy; confidence interval; kinetics; polyethylene; temperature; thermal degradation;     Show all 7 Subjects
Abstract:
... In a previous paper (Thermochim. Acta 670 (2018) 1–6) it was shown that the estimation of errors (ΔE) in the determination of apparent activation energies (E) determined by a nonlinear isoconversional method applied for thermoanalytical measurements performed under constant heating rates involves the following successive steps: (1) the determination of Fisher confidence interval (ΔFE) for confiden ...
DOI:
10.1016/j.tca.2019.178507

5. The vapor pressure of Se and SeO2 measurement using thermogravimetric analysis

Author:
Xu, Wenting; Song, Qiang; Song, Guochang; Yao, Qiang
Source:
Thermochimica acta 2020 v.683 pp. 178480
ISSN:
0040-6031
Subject:
thermogravimetry,   etc   ; equations; selenium; temperature; uncertainty; vapor pressure; vapors;     Show all 7 Subjects
Abstract:
... The vapor pressure data of Se and SeO₂ in low temperature range are essential for the study of emission and migration of selenium from stationary sources. The vapor pressure of SeO₂ at 353.2–473.2 K was measured by thermogravimetric analysis, and the corresponding pressure was 0.026–319.2 Pa. The vapor pressure of Se at 423.2–573.2 K was measured, and the corresponding pressure was 0.007–80.9 Pa. ...
DOI:
10.1016/j.tca.2019.178480

6. Purification of wastewater digester biogas from siloxanes via adsorption-desorption with NaOH-reformed SiO2 adsorbent

Author:
Jung, Hyounduk; Jurng, Jongsoo
Source:
Renewable energy 2020 v.156 pp. 459-468
ISSN:
0960-1481
Subject:
thermogravimetry,   etc   ; adsorbents; adsorption; biogas; hydrogen bonding; silica gel; siloxanes; sodium hydroxide; temperature; wastewater;     Show all 10 Subjects
Abstract:
... This study was performed in order to investigate the adsorption of siloxane for biogas treatment using a novel SiO₂-based adsorbent and its regeneration. The siloxane adsorption capacity of the NaOH-modified SiO₂ was significantly increased. At low temperature (25–50 °C), the siloxane (D5) adsorption capacity of the novel SiO₂ adsorbent was 200 mg per g of adsorbent, which is approximately four ti ...
DOI:
10.1016/j.renene.2020.03.189

7. Thermogravimetric investigation on the effect of reaction temperature and blend ratio on co-gasification characteristics of pyrolytic oil distillation residue with biochar

Author:
Diao, Rui; Yuan, Xinhua; Sun, Mengchao; Zhu, Xifeng
Source:
Bioresource technology 2020 v.309 pp. 123360
ISSN:
0960-8524
Subject:
thermogravimetry,   etc   ; Raman spectroscopy; activation energy; biochar; carbon; carbon dioxide; chemical structure; distillation; gasification; oils; synergism; temperature;     Show all 12 Subjects
Abstract:
... In this study, the CO₂ co-gasification characteristics of pyrolytic oil distillation residue and biochar under different reaction temperatures were investigated by thermogravimetric analyzer (TGA). The influence of blend ratio on co-gasification synergy was adequately characterized by correlating the evolution of chemical structure and active AAEMs. The results indicated that increasing proportion ...
DOI:
10.1016/j.biortech.2020.123360

8. Fundamental thermokinetic study of a sustainable lithium-ion battery pyrometallurgical recycling process

Author:
Kwon, Oh-sung; Sohn, Il
Source:
Resources, conservation, and recycling 2020 v.158 pp. 104809
ISSN:
0921-3449
Subject:
thermogravimetry,   etc   ; ambient temperature; anodes; cathodes; lithium batteries; mass transfer; metals; models; pellets; recycling; spectrometers; wastes;     Show all 12 Subjects
Abstract:
... With increased global consumption of Lithium-ion batteries (LIBs), a sustainable recycling process is necessary to reduce wastes and retrieve highly-valued elements. But to achieve an optimized sustainable recycling process, a fundamental understanding of the thermokinetic reactions during pyrometallurgical LIB recycling is essential. In this work, the thermodynamics and kinetics of high-temperatu ...
DOI:
10.1016/j.resconrec.2020.104809

9. Insight into synergistic effects of biomass-polypropylene co-pyrolysis using representative biomass constituents

Author:
Chen, Rongjie; Zhang, Shiyu; Cong, Kunlin; Li, Qinghai; Zhang, Yanguo
Source:
Bioresource technology 2020 v.307 pp. 123243
ISSN:
0960-8524
Subject:
thermogravimetry,   etc   ; activation energy; biochar; biomass; carbon; cellulose; hemicellulose; hydrogenation; lignin; lipids; pyrolysis; synergism; weight loss;     Show all 13 Subjects
Abstract:
... The co-pyrolysis behavior of plastic (PP) with six biomass components (cellulose, hemicellulose, lignin, carbohydrate, lipid, protein) was studied by thermogravimetry. The overlap ratio (OR) and the difference in experimental and theoretical weight loss (ΔW) are defined. The results demonstrated that the interaction of lignin and PP was notable with the OR of 0.9661. From ΔW, it was found that the ...
DOI:
10.1016/j.biortech.2020.123243

10. Thermal and structural analysis of the reaction pathways of α-spodumene with NH4HF2

Author:
Resentera, Alexander C.; Rosales, Gustavo D.; Esquivel, Marcelo R.; Rodriguez, Mario H.
Source:
Thermochimica acta 2020 v.689 pp. 178609
ISSN:
0040-6031
Subject:
thermogravimetry,   etc   ; X-ray diffraction; ammonia; ammonium compounds; byproducts; crystallites; differential thermal analysis; heat; temperature; thermal properties;     Show all 10 Subjects
Abstract:
... In this work, the thermal and microstructural analysis of the reaction pathways of α-spodumene with NH₄HF₂ at low temperatures is presented. The thermal behavior of NH₄HF₂, mixtures α-LiAlSi₂O₆/NH₄HF₂ and by-products (NH₄)₃SiF₆·F/(NH₄)₂SiF₆, are analyzed by simultaneous thermogravimetry and differential thermal analysis (TG-DTA). The study of the crystallite size and lattice strain in the solids i ...
DOI:
10.1016/j.tca.2020.178609

11. Remarks on “Comments on ‘Effect of hydrolysed cellulose nanowhiskers on properties of montmorillonite/polylactic acid nanocomposites’ By Reza Arjmandi et al.” By Djalal Trache

Author:
Fan, Hongtao; Wang, Qinhui; Li, Kaikun
Source:
International journal of biological macromolecules 2020 v.153 pp. 676-679
ISSN:
0141-8130
Subject:
thermogravimetry,   etc   ; activation energy; cellulose; hydrolysis; montmorillonite; nanocomposites; nanocrystals; polylactic acid; thermal degradation;     Show all 9 Subjects
Abstract:
... The Coats-Redfern method is commonly used to calculate the activation energy of the thermal degradation from a single non-isothermal thermogravimetric curve since its first proposal in 1964. This paper represents the accurate expressions, sound derivation process and proper usage of the Coats-Redfern equations, based on the critique into the Coats-Redfern's original article, Djalal Trache's incorr ...
DOI:
10.1016/j.ijbiomac.2020.02.301

12. Solar pyrolysis of waste biomass: Part 2 kinetic modeling and methodology of the determination of the kinetic parameters for solar pyrolysis of sewage sludge

Author:
Sobek, Szymon; Werle, Sebastian
Source:
Renewable energy 2020 v.153 pp. 962-974
ISSN:
0960-1481
Subject:
thermogravimetry,   etc   ; activation energy; biofuels; biomass; heat; kinetics; models; pyrolysis; sewage sludge; statistical analysis;     Show all 10 Subjects
Abstract:
... Biomass pyrolysis is a fundamental thermal conversion method that has both industrial and economic potential. A deep knowledge of the pyrolysis character can give dramatically rise to the general development of thermal conversion methods for the effective use of biomass fuel in the incoming future. In this work, kinetic parameters estimation methods and methodology for sewage sludge pyrolysis has ...
DOI:
10.1016/j.renene.2020.02.061

13. The impact of a combined pre-treatment on the combustion performance of various biomass wastes and their blends with lignite

Author:
Vamvuka, D.; Loukakou, E.; Sfakiotakis, S.; Petrakis, E.
Source:
Thermochimica acta 2020 v.688 pp. 178599
ISSN:
0040-6031
Subject:
thermogravimetry,   etc   ; biofuels; biomass; catalysts; combustion; energy density; fouling; leaching; lignite; minerals; thermal properties; torrefaction; washing; wastes;     Show all 14 Subjects
Abstract:
... Two pre-treatment techniques, water leaching and torrefaction, as well as a combination of these were applied to a variety of biomass wastes in order to get improved quality products in terms of composition, energy density and content of problematic inorganic constituents. Upgraded materials were blended with lignite and tested by thermogravimetric analysis. Devolatilization and combustion charact ...
DOI:
10.1016/j.tca.2020.178599

14. Interactions between vitrinite and solid additives including inertinite during pyrolysis for coke-making considerations

Author:
Aziz, Hammad; Rodrigues, Sandra; Esterle, Joan S.; Steel, Karen M.
Source:
Fuel processing technology 2020 v.201 pp. 106321
ISSN:
0378-3820
Subject:
thermogravimetry,   etc   ; additives; adhesion; adsorption; coal; evaporation; graphene; liquids; oils; porous media; pyrolysis; rheometry; silicone; viscoelasticity; viscosity;     Show all 15 Subjects
Abstract:
... Macerals (vitrinite and inertinite) were separated from a coal to understand the mechanism of interaction between them during coking. Macerals were blended in various ratios and their viscoelastic properties and expansion/contraction behaviour measured using rheometry. Inertinite increases the viscosity of vitrinite exponentially. To understand why, various solid additives were also blended with v ...
DOI:
10.1016/j.fuproc.2019.106321

15. New kinetic model of the dehydration reaction of magnesium sulfate hexahydrate: Application for heat storage

Author:
Okhrimenko, Larysa; Favergeon, Loïc; Johannes, Kévyn; Kuznik, Frédéric
Source:
Thermochimica acta 2020 v.687 pp. 178569
ISSN:
0040-6031
Subject:
thermogravimetry,   etc   ; energy density; heat; kinetics; magnesium sulfate; mathematical models; storage temperature; vapor pressure; water vapor;     Show all 9 Subjects
Abstract:
... Magnesium sulfate–water vapor is an interesting working pair of thermochemical materials for compact inter-seasonal heat storage at low temperature. Total dehydration of magnesium sulfate heptahydrate shows a theoretical storage energy density of 2.8 GJ m⁻³. However, kinetic data are poorly studied up to now making use of this material difficult for a practical storage application. In the present ...
DOI:
10.1016/j.tca.2020.178569

16. Experimental study of the ignition and combustion characteristics of cattle manure under different environmental conditions

Author:
Jiang, Chunlong; Lin, Qizhao; Wang, Chengxin; Jiang, Xuedan; Bi, Haobo; Bao, Lin
Source:
Energy 2020 v.197 pp. 117143
ISSN:
0360-5442
Subject:
thermogravimetry,   etc   ; ambient temperature; cameras; cattle manure; combustion; furnaces; heat; internal temperature; oxygen; particulates;     Show all 10 Subjects
Abstract:
... This paper investigates the ignition and combustion characteristics of cattle manure particles under different environmental conditions, and analyses the ash produced by combustion. The cattle manure particles were fixed in a vertical heating furnace, and a thermocouple and camera recorded the internal temperature and combustion process of the particles. The environmental temperature of the combus ...
DOI:
10.1016/j.energy.2020.117143

17. An extended duration operation for solid hollow fiber membrane-based cooling crystallization

Author:
Jin, Chi; Chen, Dengyue; Sirkar, Kamalesh K.; Pfeffer, Robert
Source:
Powder technology 2020 v.365 pp. 106-114
ISSN:
0032-5910
Subject:
thermogravimetry,   etc   ; acetone; coatings; crystallization; crystals; drugs; encapsulation; nanoparticles; polymers; powders; scanning electron microscopy; silica; solvents; volatilization;     Show all 14 Subjects
Abstract:
... It was recently demonstrated that the technique of solid hollow fiber membrane-based cooling crystallization can be employed to achieve continuous polymer precipitation from a solution and subsequent polymer coating/encapsulation of sub-micrometer particles/drug crystals as well as nanoparticles in suspension. In this technique, there is no need for high pressure as in supercritical solvent-based ...
DOI:
10.1016/j.powtec.2019.04.010

18. A stochastic approach to model chemical looping combustion

Author:
Schnellmann, Matthias A.; Williams, Gareth; Dennis, John S.
Source:
Powder technology 2020 v.365 pp. 39-51
ISSN:
0032-5910
Subject:
thermogravimetry,   etc   ; combustion; fluidized beds; fuels; methane; models; oxygen; powders; reaction kinetics; stochastic processes;     Show all 10 Subjects
Abstract:
... A stochastic model is presented of two coupled fluidised-bed reactors with a steady circulation of particles between them. The particles undergo reaction in each fluidised bed. The model uniquely accounts for the full conversion history of particles as they are circulated. Chemical looping combustion (CLC) is an example of such a process. We have previously used the model, in a general form, to un ...
DOI:
10.1016/j.powtec.2019.03.004

19. Strongly emitting and long-lived silver indium sulfide quantum dots for bioimaging: Insight into co-ligand effect on enhanced photoluminescence

Author:
Jiao, Mingxia; Li, Yun; Jia, Yuxiu; Li, Chenxi; Bian, Hao; Gao, Liting; Cai, Peng; Luo, Xiliang
Source:
Journal of colloid and interface science 2020 v.565 pp. 35-42
ISSN:
0021-9797
Subject:
thermogravimetry,   etc   ; bioimaging; cytotoxicity; energy; fluorescence; glutathione; indium; light scattering; nanocrystals; photoluminescence; polyethyleneimine; quantum dots; silver; spectroscopy;     Show all 14 Subjects
Abstract:
... Nanoscale ternary chalcogenides have attracted increasing research interest due to their merits of tunable properties and diverse applications in energy and biomedical fields. In this article, silver indium sulfide quantum dots supported by glutathione and polyethyleneimine as dual-ligands have been synthesized through an environmentally friendly and reproducible aqueous method. An emission quantu ...
DOI:
10.1016/j.jcis.2020.01.006

20. Combustion and Co-Combustion characteristics of torrefied poultry litter with lignite

Author:
Atimtay, Aysel; Yurdakul, Sema
Source:
Renewable energy 2020 v.148 pp. 1292-1301
ISSN:
0960-1481
Subject:
thermogravimetry,   etc   ; activation energy; combustion; heat; lignite; mixing; poultry manure; renewable energy sources; temperature; thermal properties; torrefaction;     Show all 11 Subjects
Abstract:
... This study investigated the thermal properties and activation energies of raw and torrefied poultry litter samples in the range of 250–300 °C by using thermogravimetric analysis (TGA). Four heating rates, 5 °C/min, 10 °C/min, 20 °C/min, and 30 °C/min were applied during the thermogravimetric analysis. Furthermore, co-combustion of raw and torrefied poultry litter samples with low-rank Turkish lign ...
DOI:
10.1016/j.renene.2019.10.068