Effect of particle size on the kinetics of pure oxygen combustion of coke

被引：2

作者：

Yang, Tao ^{[1
]}

Wei, Bo ^{[1
]}

Wang, Shan ^{[1
]}

Liu, Weihua ^{[1
]}

Chen, Lijuan ^{[1
]}

Wang, Jianjiang ^{[1
]}

Abudureheman, Maierhaba ^{[1
]}

Ma, Jinrong ^{[2
]}

Wang, Feng ^{[2
]}

机构：

[1] Xinjiang Univ, Sch Chem Engn & Technol, State Key Lab Chem & Utilizat Carbon Based Energy, Key Lab Coal Clean Convers & Chem Engn Proc, Urumqi 830046, Xinjiang Uygur, Peoples R China

[2] Xinjiang Xinye Energy & Chem Co Ltd, Wujiaqu 831300, Peoples R China

来源：

THERMOCHIMICA ACTA | 2023年 / 719卷

基金：

中国国家自然科学基金;

关键词：

Coke; Pure oxygen combustion; Heating rate; Particle size; Kinetic parameters; FUEL COMBUSTION; THERMOGRAVIMETRIC ANALYSIS; COAL PROPERTIES; ZHUNDONG COAL; COCOMBUSTION; BEHAVIOR; BIOMASS; GASIFICATION; PYROLYSIS; MINERALS;

D O I：

10.1016/j.tca.2022.179405

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Non-isothermal thermogravimetry technique was used to analyze three groups of coke samples (S-ZD, M-ZD, and L-ZD) of varying particle sizes. The effect of particle size on kinetic parameters was studied in a pure oxygen atmosphere. The ignition (T-i), peak (T-y), and burnout (T-f) temperatures and the flammability (C) and combustion characteristic (S-n) indexes were determined by varying the heating rate (beta). The activation energy (E-alpha) was evaluated following the Flynn-Wall-Ozawa (FWO) and Kissinger-Akahira-Sunose (KAS) methods. T-i, T-p, T-f, C, and S-n correlated positively with the increase in beta in a pure oxygen atmosphere. The order of ignition was L-ZD > M-ZD > S-ZD, and the E-alpha values for the S-ZD, M-ZD, and L-ZD samples were 98.49, 98.35, and 95.17 kJ.mol(-1) (FWO) and 90.32, 90.92, and 89.25 kJ.mol(-1) (KAS), respectively. Particle size exerted little effect on the kinetics of coke combustion.

引用

页数：11

共 50 条

[41] EFFECT OF PARTICLE SIZE ON SINTERING KINETICS IN ALUMINA POWDER
KOTHARI, NC
JOURNAL OF NUCLEAR MATERIALS, 1965, 17 (01) : 43 - &
[42] Kinetics of NO and SO2 formation in the combustion of coke
Lee, MS
CANADIAN METALLURGICAL QUARTERLY, 2004, 43 (02) : 153 - 161
[43] Experimental study and modelling of coke combustion kinetics.
Slaoui, S
Bounahmidi, T
COMPTES RENDUS CHIMIE, 2004, 7 (05) : 547 - 557
[44] Particle size effect on ammonium perchlorate decomposition kinetics
Abdel-Wareth W
航空动力学报, 2012, 27 (05) : 1179 - 1184
[45] PRECIPITATION OF OXYGEN IN SILICON KINETICS, SOLUBILITY, DIFFUSIVITY AND PARTICLE-SIZE
NEWMAN, RC
BINNS, MJ
BROWN, WP
LIVINGSTON, FM
MESSOLORAS, S
STEWART, RJ
WILKES, JG
PHYSICA B & C, 1983, 116 (1-3): : 264 - 270
[46] Ash Particle Behaviors during Combustion and Gasification of Coke
Ueki, Yasuaki
Teshima, Koki
Yoshiie, Ryo
Naruse, Ichiro
ISIJ INTERNATIONAL, 2020, 60 (07) : 1427 - 1433
[47] Coke combustion and gasification kinetics in ethane steam crackers
Heynderickx, GJ
Schools, EM
Marin, GB
AICHE JOURNAL, 2005, 51 (05) : 1415 - 1428
[48] Effect of particle size and heating rate on the combustion of silopi asphaltite
Altun, NE
Kok, MV
Hicyilmaz, C
ENERGY & FUELS, 2002, 16 (03) : 785 - 790
[49] Effect of particle size on spontaneous combustion tendency characterization of coal
College of Resource and Environment Engineering, Liaoning Technical University, Fuxin 123000, China
Liaoning Gongcheng Jishu Daxue Xuebao (Ziran Kexue Ban), 2006, 1 (1-3):
[50] The effect of particle size on the spontaneous combustion tendency of Indonesian coals
Nugroho, YS
McIntosh, AC
Gibbs, BM
PROSPECTS FOR COAL SCIENCE IN THE 21ST CENTURY, 1999, : 439 - 442

← 1 2 3 4 5 →