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1. Microplastics’ analysis in water: Easy handling of samples by a new Thermal Extraction Desorption-Gas Chromatography-Mass Spectrometry (TED-GC/MS) methodology

Author:
Débora Sorolla-Rosario; Julio Llorca-Porcel; Mónica Pérez-Martínez; Dolores Lozano-Castelló; Agustín Bueno-López
Source:
Talanta 2023 v.253 pp. 123829
ISSN:
0039-9140
Subject:
thermogravimetry,   etc   ; adsorbents; furnaces; gas chromatography; mass spectrometry; microplastics; spectrometers;     Show all 7 Subjects
Abstract:
... Thermal Extraction-Desorption (TED) using a thermobalance coupled to a gas chromatograph (GC) with mass spectrometer (MS) detector is an extended method for polymers identification in complex matrixes. A new TED-GC/MS method for microplastics identification is developed in this study, where the whole filter with solids collected from water is thermal treated in a furnace, instead of using a small ...
DOI:
10.1016/j.talanta.2022.123829

2. Intrinsic combustion kinetics of rapid-pyrolysis Zhundong coal char

Author:
Yang Liu; Peifang Fu; Bo Yu; Weijie Yan; Yumin Chen; Huaichun Zhou
Source:
Energy 2023 v.262 pp. 125548
ISSN:
0360-5442
Subject:
thermogravimetry,   etc   ; activation energy; coal; combustion; energy; prediction; slags; surface area;     Show all 8 Subjects
Abstract:
... Driven by the demand for accurate intrinsic kinetics for the prediction of the combustion rate of purely fired Zhundong coal (ZDC) in a slag tapping boiler, the surface activation function (SAF) and intrinsic kinetic parameters of two types of rapid-pyrolysis ZDC chars were revealed via the isothermal and nonisothermal thermogravimetric analysis methods. The isothermal kinetic results show that th ...
DOI:
10.1016/j.energy.2022.125548

3. Prediction of high-density polyethylene pyrolysis using kinetic parameters based on thermogravimetric and artificial neural networks

Author:
Xiaoxiao Yin; Junyu Tao; Guanyi Chen; Xilei Yao; Pengpeng Luan; Zhanjun Cheng; Ning Li; Zhongyue Zhou; Beibei Yan
Source:
Frontiers of environmental science & engineering 2023 v.17 no.1 pp. 6
ISSN:
2095-2201
Subject:
thermogravimetry,   etc   ; activation energy; information storage; neural networks; polyethylene; prediction; pyrolysis; weight loss;     Show all 8 Subjects
Abstract:
... Pyrolysis is considered an attractive option and a promising way to dispose waste plastics. The thermogravimetric experiments of high-density polyethylene (HDPE) were conducted from 105 °C to 900 °C at different heating rates (10 °C/min, 20 °C/min, and 30 °C/min) to investigate their thermal pyrolysis behavior. We investigated four methods including three model-free methods and one model-fitting m ...
DOI:
10.1007/s11783-023-1606-3

4. Experimental and numerical simulation of multi-component combustion of typical no-charring material

Author:
Yanming Ding; Gonghua Jiang; Kazui Fukumoto; Mengqi Zhao; Xueting Zhang; Changjian Wang; Changhai Li
Source:
Energy 2023 v.262 pp. 125555
ISSN:
0360-5442
Subject:
thermogravimetry,   etc   ; Fourier transform infrared spectroscopy; calorimeters; combustion; energy; mathematical models; prediction; pyrolysis;     Show all 8 Subjects
Abstract:
... To predict the direct combustion of no-charring material, multiple pyrolysis gas components, which are closer to the real produced pyrolysis gases, are involved in the numerical simulation. The pyrolysis gas components are obtained by thermogravimetry coupled with fourier transform infrared spectroscopy experiments, and then several main components are chosen to be directly imported into the follo ...
DOI:
10.1016/j.energy.2022.125555

5. The synergistic effect during co-combustion of municipal sludge and coal: Experimental and ReaxFF molecular dynamic study

Author:
Tong Xu; Chunbo Wang; Dikun Hong; Song Li; Shuang Yue
Source:
Energy 2023 v.262 pp. 125553
ISSN:
0360-5442
Subject:
thermogravimetry,   etc   ; aromatic compounds; carbon dioxide; coal; combustion; energy; intermediate product; sludge; synergism;     Show all 9 Subjects
Abstract:
... In this work, the behaviors of municipal sludge/coal co-combustion were investigated by experiments and ReaxFF molecular dynamic simulations. The molecular models of coal and sludge were constructed based on experimental characterization. The characteristics of the separately combustion of sludge and coal from ReaxFF MD simulations were consistent with that from thermostatic thermogravimetric expe ...
DOI:
10.1016/j.energy.2022.125553

6. Anaerobic co-digestion of thermo-alkaline pretreated microalgae and sewage sludge: Methane potential and microbial community

Author:
Jiaqi Fu; Bing Yan; Shuanglin Gui; Yinxuan Fu; Song Xia
Source:
Journal of environmental sciences (China) 2023 v.127 pp. 133-142
ISSN:
1001-0742
Subject:
thermogravimetry,   etc   ; Fourier transform infrared spectroscopy; Methanobacterium; Methanosarcina; anaerobic digestion; community structure; methane; methane production; methanogens; microalgae; microbial communities; sewage sludge; China;     Show all 13 Subjects
Abstract:
... To improve methane production from sewage sludge (SS), co-digestion of SS and microalgae (MA) was studied and the application of thermo-alkaline pretreatment to MA was evaluated. The results showed that thermo-alkaline pretreatment at 90°C for 120 min on MA was the optimum pretreatment condition. Furthermore, when the volatile solids (VS) ratio of SS and MA was 1:2, the methane yield reached maxim ...
DOI:
10.1016/j.jes.2022.04.020

7. In vitro and in vivo efficacy of poly(lactic acid) nanofiber packaging containing essential oils from Ocimum basilicum L. and Ocimum gratissimum L. against Aspergillus carbonarius and Aspergillus niger in table grapes

Author:
Rafaela Magalhães Brandão; Luís Roberto Batista; Juliano Elvis de Oliveira; Richard Bispo Barbosa; David Lee Nelson; Maria Graças Cardoso
Source:
Food chemistry 2023 v.400 pp. 134087
ISSN:
0308-8146
Subject:
thermogravimetry,   etc   ; Aspergillus carbonarius; Aspergillus niger; Ocimum basilicum; Ocimum gratissimum; electron microscopy; food chemistry; fruits; fungal contamination; nanofibers; ochratoxin A; shelf life;     Show all 12 Subjects
Abstract:
... Apergillus carbonarius and Aspergillus niger are the principal fungi that attack table grapes, and they are responsible for producing and contaminating these fruits with ochratoxin A. Packaging containing essential oils from Ocimum gratissimum L. and Ocimum basilicum L. encapsulated in poly(lactic acid) (PLA) nanofibers were produced, the antifungal and antiocratoxigenic activities against A. carb ...
DOI:
10.1016/j.foodchem.2022.134087

8. Variations in surface functional groups, carbon chemical state and graphitization degree during thermal deactivation of diesel soot particles

Author:
Ye Liu; Sijin Wu; Chenyang Fan; Xin Wang; Fangjie Liu; Haibo Chen
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 678-687
ISSN:
1001-0742
Subject:
thermogravimetry,   etc   ; Fourier transform infrared spectroscopy; Raman spectroscopy; X-ray photoelectron spectroscopy; carbon; chemical species; heat treatment; soot; spectrometers; temperature; thermodynamics; China;     Show all 12 Subjects
Abstract:
... The thermal deactivation of diesel soot particles exerts a significant influence on the control strategy for the regeneration of diesel particulate filters (DPFs). This work focused on the changes in the surface functional groups, carbon chemical state, and graphitization degree during thermal treatment in an inert gas environment at intermediate temperatures of 600°C, 800°C, and 1000°C and explor ...
DOI:
10.1016/j.jes.2022.01.007

9. Preparation of shell-core fiber-encapsulated Lactobacillus rhamnosus 1.0320 using coaxial electrospinning

Author:
Cong Xu; Jiage Ma; Zhijing Liu; Wan Wang; Xin Liu; Shanshan Qian; Lijun Chen; Liya Gu; Chuanqiang Sun; Juncai Hou; Zhanmei Jiang
Source:
Food chemistry 2023 v.402 pp. 134253
ISSN:
0308-8146
Subject:
thermogravimetry,   etc   ; Lactobacillus rhamnosus; X-ray diffraction; digestive tract; fermentation; food chemistry; gastric juice; infrared spectroscopy; intestines; probiotics; survival rate; thermal stability; yogurt;     Show all 13 Subjects
Abstract:
... In this study, shell-core fibers were successfully prepared by using Eudragit S100 (ES100) and poly(vinyl alcohol) (PVA)/pectin (PEC) through coaxial electrospinning technology. The electrospun fiber was characterized by attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR) and X-ray diffraction (XRD). Thermo-gravimetric analysis (TGA) showed that the coaxial electrospun ...
DOI:
10.1016/j.foodchem.2022.134253

10. Orange G degradation by heterogeneous peroxymonosulfate activation based on magnetic MnFe2O4/α-MnO2 hybrid

Author:
Le Thi Thao; To Van Nguyen; Van Quy Nguyen; Ngoc Man Phan; Ki Jae Kim; Nguyen Nhat Huy; Nguyen Trung Dung
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 379-396
ISSN:
1001-0742
Subject:
thermogravimetry,   etc   ; Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; azo dyes; catalysts; electron paramagnetic resonance spectroscopy; energy-dispersive X-ray analysis; hot water treatment; hybrids; magnetism; mass spectrometry; pH; pollution; reaction mechanisms; temperature; wastewater; China;     Show all 18 Subjects
Abstract:
... Wastewater containing an azo dye Orange G (OG) causes massive environmental pollution, thus it is critical to develop a highly effective, environmental-friendly, and reusable catalyst in peroxymonosulfate (PMS) activation for OG degradation. In this work, we successfully applied a magnetic MnFe₂O₄/α-MnO₂ hybrid fabricated by a simple hydrothermal method for OG removal in water. The characteristics ...
DOI:
10.1016/j.jes.2021.10.008

11. Co-combustion of torrefied biomass-plastic waste blends with coal through TGA: Influence of synergistic behaviour

Author:
Yogeshwari Pooja Rago; François-Xavier Collard; Johann F. Görgens; Dinesh Surroop; Romeela Mohee
Source:
Energy 2022 v.239 pp. 121859
ISSN:
0360-5442
Subject:
thermogravimetry,   etc   ; coal; combustion; energy; torrefaction;     Show all 5 Subjects
Abstract:
... This study investigated the influence of torrefaction (300 °C) on the combustion performances of blends of biomass-plastic wastes (Mango branches (MBr), newspaper (Np), LDPE) using thermogravimetric analysis. The torrefied waste blends were co-combusted with coal at a blending ratio of 25 and 50 wt. % to identify possible interactions between the fuels’ components. Synergistic behaviours were note ...
DOI:
10.1016/j.energy.2021.121859

12. Dual effect of CaO on waste PVC plastics pyrolysis: A kinetics study using Fraser-Suzuki deconvolution

Author:
Xuan Li; Yuanjun Tang; Yuan Zhao; Guoneng Li; Guanqun Luo; Weimin Wang; Chao Ye; Yousheng Xu
Source:
Thermochimica acta 2022 v.715 pp. 179295
ISSN:
0040-6031
Subject:
thermogravimetry,   etc   ; calcium oxide; pyrolysis; reaction mechanisms;     Show all 4 Subjects
Abstract:
... Green and sustainable treatment of waste plastics emerged as one of the greatest challenging matters facing the world. In this work, the pyrolysis of chlorine-contained PVC plastics was investigated from a kinetic study perspective. The dual effects of calcium oxide (CaO) additive were examined. The Fraser-Suzuki deconvolution function was adopted to fit the differential thermogravimetric (DTG) cu ...
DOI:
10.1016/j.tca.2022.179295

13. Use of thermogravimetric analysis to estimate collagen and hydroxyapatite contents in archaeological bone

Author:
Ricky Durga; Natalia Jimenez; Sivakumar Ramanathan; Prannoy Suraneni; William J. Pestle
Source:
Journal of archaeological science 2022 v.145 pp. 105644
ISSN:
0305-4403
Subject:
thermogravimetry,   etc   ; archaeology; collagen; humans; hydroxyapatite; spectroscopy;     Show all 6 Subjects
Abstract:
... In this study, we evaluate whether thermogravimetric analysis (TGA) can be used to estimate the amounts of collagen and hydroxyapatite in archaeological bone accurately and rapidly, through evaluation of twenty-four previously analyzed archaeological human bone samples. Mass losses in the approximate ranges of 300–500 °C, 220–600 °C, and 600–900 °C, correspond to collagen mass loss, total organic ...
DOI:
10.1016/j.jas.2022.105644

14. Chemical insight into the hydrothermal deposition of Sb₂(S,Se)₃ towards delicate microstructure engineering

Author:
Yuqian Huang; Rongfeng Tang; Gang Wang; Gang Li; Bo Che; Yan Wang; Weitao Lian; Changfei Zhu; Tao Chen
Source:
Journal of materials chemistry A 2022 v.10 no.18 pp. 9892-9901
ISSN:
2050-7496
Subject:
thermogravimetry,   etc   ; antimony; microstructure; nanocrystals; pH; zeolites;     Show all 6 Subjects
Abstract:
... Hydrothermal deposition is an ideal method to fabricate high-efficiency antimony sulfoselenide (Sb₂(S,Se)₃) solar cells due to its simple, eco-friendly and low-cost processing characteristics. This deposition approach has enabled efficiency breakthrough in Sb₂(S,Se)₃ solar cells, while the chemical mechanisms in the deposition and annealing processes remain undiscovered. Here, we reveal that the d ...
DOI:
10.1039/d2ta00893a

15. Insights into reactive behaviors and mechanisms of nickel-based oxygen carriers doped by Fe/Co during chemical looping combustion from multiple-scale molecular modeling combined with experiments

Author:
Jinpeng Zhang; Hui Zhang; Nini Yuan; Liangliang Meng; Chang Geng; Hongcun Bai
Source:
Fuel processing technology 2022 v.229 pp. 107181
ISSN:
0378-3820
Subject:
thermogravimetry,   etc   ; combustion; energy; oxygen; particle size;     Show all 5 Subjects
Abstract:
... Understanding reactive behaviors and mechanisms of oxygen carriers (OCs) is a key issue in chemical looping combustion (CLC), which can provide ideas and routes not only for constructing high-performance OCs, but also for designing reactors and systems intensification. However, various points about the reaction behaviors and oxygen release mechanism of iron/cobalt-doped nickel-based OCs in CLC rem ...
DOI:
10.1016/j.fuproc.2022.107181

16. Potential of macauba endocarp (Acrocomia aculeate) for bioenergy production: Multi-component kinetic study and estimation of thermodynamic parameters of activation

Author:
José Luiz Francisco Alves; Jean Constantino Gomes da Silva; Guilherme Davi Mumbach; Ricardo Francisco Alves; Rennio Felix de Sena; Ricardo Antonio Francisco Machado; Cintia Marangoni
Source:
Thermochimica acta 2022 v.708 pp. 179134
ISSN:
0040-6031
Subject:
thermogravimetry,   etc   ; Acrocomia; bioenergy; endocarp; feedstocks; models; pyrolysis;     Show all 7 Subjects
Abstract:
... This work provides the first insights on the bioenergy potential of macauba endocarp (Acrocomia aculeate) based on the pyrolysis kinetics and thermodynamic parameters of activation. The kinetic triplet was obtained from non-isothermal thermogravimetric data by using four isoconversional methods, kinetic compensation effect, and master-plots method. The pyrolysis behavior of macauba endocarp was mo ...
DOI:
10.1016/j.tca.2021.179134

17. Analysis of samples of high explosives extracted from explosive remnants of war

Author:
Geir P. Novik
Source:
Science of the total environment 2022 v.842 pp. 156864
ISSN:
0048-9697
Subject:
thermogravimetry,   etc   ; environment; explosives; fearfulness; risk; thermal properties;     Show all 6 Subjects
Abstract:
... Millions of tonnes of dumped ammunition and explosive remnants of war remain in nature both on land and at sea. It is well known that the ordnance could represent a definite explosive risk if disturbed, and that some of the constituents in the ammunition could be harmful to humans and the environment. Nevertheless, a tacit assumption by decision makers is that, if left alone, the ammunition will s ...
DOI:
10.1016/j.scitotenv.2022.156864

18. Comprehensive study on the reduction of biomass embedded self-reducing pellets (SRP) under H2 involved conditions by TG-DTA

Author:
Rongrong Wang; Yongqiang Zhao; Alexander Babich; Dieter Senk; Xiaoyue Fan
Source:
Powder technology 2022 v.407 pp. 117654
ISSN:
0032-5910
Subject:
thermogravimetry,   etc   ; biomass; carbon; hydrogen; microstructure; porosity; technology;     Show all 7 Subjects
Abstract:
... Application of biomass embedded self-reducing pellets (SRP) in the Hydrogen direct reduction (H-DR) process is expected to solve the problem of low/zero carbon content in the DRI product of H-DR. In this study, reduction of biomass embedded SRP by N₂/H₂/CO at different temperatures was conducted by using Thermogravimetric/Differential Thermal Analyzer (TG/DTA), Scanning electron microscopy (SEM) w ...
DOI:
10.1016/j.powtec.2022.117654

19. On amine treated polyoxymethylene (POM) blends with low formaldehyde emission for metal injection moulding (MIM)

Author:
Keemi Lim; Muhammad Dilawer Hayat; Kumar Debajyoti Jena; Wen Zhang; Peng Cao
Source:
Journal of materials science 2022 v.57 no.31 pp. 15160-15170
ISSN:
0022-2461
Subject:
thermogravimetry,   etc   ; feedstocks; formaldehyde; injection molding; oxygen; polymers;     Show all 6 Subjects
Abstract:
... When polyoxymethylene (POM)—a common polymer used in metal injection moulding feedstock—is exposed to heat and oxygen during compounding, it can be easily decomposed, releasing undesired gaseous formaldehyde products. In order to reduce the formaldehyde emission from POM, amine treatment was performed. The effectiveness of propylamine at different concentrations and its role as a formaldehyde scav ...
DOI:
10.1007/s10853-022-07586-x

20. Standard enthalpies of formation of theophylline, theophylline-7-acetic acid, 7-(β-hydroxyethyl) theophylline and 7-(2,3-dihydroxypropyl) theophylline

Author:
J. Baudelio Campos; E. Orozco-Guareño
Source:
Thermochimica acta 2022 v.709 pp. 179158
ISSN:
0040-6031
Subject:
thermogravimetry,   etc   ; calorimeters; combustion; enthalpy; sublimation; temperature; theophylline;     Show all 7 Subjects
Abstract:
... The molar standard (p°=0.1 MPa) enthalpies of formation at T = 298.15 K of theophylline, theophylline-7-acetic acid, 7-(β-hydroxyethyl) theophylline and 7-(2,3-dihydroxypropyl) theophylline, in the crystalline phase, were derived from the respective massic standard energies of combustion, determined experimentally in a static bomb combustion calorimeter. The molar standard enthalpies of formation ...
DOI:
10.1016/j.tca.2022.179158