KINETIC INVESTIGATION ON PARTIALLY OXIDIZED HUADIAN OIL SHALE BY THERMOGRAVIMETRIC ANALYSIS

被引：23

作者：

Bai, Fengtian ^{[1
]}

Sun, Youhong ^{[1
]}

Liu, Yumin ^{[1
]}

Liu, Baochang ^{[1
]}

Guo, Mingyi ^{[1
]}

Lu, Xiaoshu ^{[1
,2
]}

Guo, Wei ^{[1
]}

Li, Qiang ^{[1
]}

Hou, Chuanbin ^{[1
]}

Wang, Qiuwen ^{[1
]}

机构：

[1] Jilin Univ, Coll Construct Engn, Changchun 130021, Peoples R China

[2] Aalto Univ, Sch Engn, Dept Civil & Struct Engn, Espoo, Finland

来源：

OIL SHALE | 2014年 / 31卷 / 04期

关键词：

oil shale; thermogravimetric analysis; kinetic analysis; activation energy; THERMAL-ANALYSIS; PYROLYSIS; COMBUSTION; TEMPERATURE; PARAMETERS; SEMICOKES; OXIDATION; MINERALS; CHINESE; YIELD;

D O I：

10.3176/oil.2014.4.06

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：

The kinetic parameters of Huadian oil shale and its solid residues after preheating treatment at different temperatures were evaluated by thermogravimetric (TG) analysis. As per distinct properties of oil shale, TG curves were divided into five separate stages during pyrolysis. The kinetic parameters were calculated based on TG results related to three stages ranging from 250 to 550 degrees C, using the Arrhenius theory and Coats-Redfern and Flynn-Wall-Ozawa methods. The results showed that the burning of oil shale and its solid residues was a complicated multi-step kinetic process. The activation energies of residues were reduced after preheating treatment below 300 degrees C. Moreover, the activation energies calculated from the Coats-Redfern method increased with increasing heating rate.

引用

页码：377 / 393

页数：17

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