Pyrolysis and Combustion Characteristics of an Indonesian Low-Rank Coal under O2/N2 and O2/CO2 Conditions

被引：90

作者：

Li, Xianchun ^{[1
,2
,3
]}

Rathnam, Renu K. ^{[4
]}

Yu, Jianglong ^{[1
,3
,4
]}

Wang, Qi ^{[2
,3
]}

Wall, Terry ^{[4
]}

Meesri, Chatphol ^{[5
]}

机构：

[1] Shenyang Inst Aeronaut Engn, Sch Power & Energy Engn, Shenyang 110136, Peoples R China

[2] Dalian Univ Technol, Sch Chem Engn, Dalian 116012, Peoples R China

[3] Univ Sci & Technol Liaoning, Anshan 114051, Liaoning, Peoples R China

[4] Univ Newcastle, Callaghan, NSW 2308, Australia

[5] Banpu Publ Co Ltd, Coal Technol, Bangkok 10400, Thailand

来源：

ENERGY & FUELS | 2010年 / 24卷 / 01期

关键词：

VICTORIAN BROWN-COAL; PULVERIZED COAL; CHAR COMBUSTION; REACTIVITY; DEVOLATILIZATION; GASIFICATION; TEMPERATURE; BEHAVIOR; FURNACE; BLENDS;

D O I：

10.1021/ef900533d

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Pyrolysis and combustion characteristics of an Indonesian low-rank coal are studied under oxy-fuel (O-2/CO2) and air (O-2/N-2) conditions using a drop tube furnace (DTF) kind a thermogravimetric analyzer (TGA). Raw coal, dried coal, and binderless briquette samples of the same coal were used in the experiments, and the effects of drying and binderless briquetting oil the reactivity of the coal under different conditions were investigated. Chars were prepared in the DTF in both N-2 and CO2 atmospheres in the temperature range of 800-1400 degrees C. The reactivity of chars Under oxy-fuel and air conditions was analyzed in the TGA. The coal reactivity under oxy-fuel conditions differed from that under air combustion conditions. The temperature at which significant gasification of the coal and char took place in the concentrated CO gas stream was also identified. Characteristics of chars from different conditions were compared, Drying and briquetting had some noticeable influences on the reactivity of the coal under oxy-fuel conditions.

引用

页码：160 / 164

页数：5

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