Effects of alkalimetal and ash on crystallite structure of coal char during pyrolysis and on gasification reactivity

Gao Xiao Hua Xue Gong Cheng Xue Bao/Journal of Chemical Engineering of Chinese Universities

Volumn 24, Issue 1, 2010, Pages 64-70

  Xu, Shen Qi ^a   Zhou, Zhi Jie ^a   Dai, Zheng Hua ^a   Yu, Guang Suo ^a   Gong, Xin ^a  

^a EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

Author keywords

Alkali metal; Crystallite structure; Gasification reaction; Graphitizing

Indexed keywords

ACID WASHING; ANALYSIS SYSTEM; CARBON CRYSTALLITES; CATALYTIC EFFECTS; CHAR GASIFICATION; EXPERIMENTAL RESEARCH; GASIFICATION REACTION; GASIFICATION REACTIVITY; INTERPLANAR SPACINGS; LINEAR RELATIONSHIPS; PYROLYSIS AND GASIFICATION; PYROLYSIS TEMPERATURE; REDOX MECHANISM; STRUCTURE OF COAL; STRUCTURE PARAMETER; TUBULAR FURNACES;

COAL; COAL ASH; COAL INDUSTRY; COAL RESEARCH; CRYSTALLITES; GAS GENERATORS; METAL REFINING; METALS; PYROLYSIS; SODIUM; THERMOGRAVIMETRIC ANALYSIS; X RAY DIFFRACTION; X RAY DIFFRACTION ANALYSIS;

GASIFICATION;

EID: 77950580837     PISSN: 10039015     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (13)

1. Feng Bo, Bhatia Sruesh K. Structural ordering of coal char during heat treatment and its impact on reactivity [J]. Carbon, 2002, 40(4): 481-496.
2. Cetin E, Moghtaderi B. Influence of pyrolysis conditions on the structure and gasification reactivity of biomass chars [J]. Fuel, 2004, 83(16): 2139-2150.
3. Sennbca O, Russo P. The relevance of thermal annealing to the evolution of coal char gasification reactivity [J]. Carbon, 1997, 35(1): 141-151.
4. Fan Xiao-Lei, Yang Fan, Zhang Wei. Variation of the crystalline structure of coal char during pyrolysis and its effect on gasification reactivity [J]. Journal of Fuel Chemistry and Technology, 2006, 34(4): 395-399.
5. Lu Liming, Kon Chunhua. Char structure ordering during pyrolysis and combustion and its influence on char reactivity [J]. Fuel, 2002, 81(9): 1215-1225.
6. Ollero P, Serrera A. Diffusional effects in TGA gasification experiments for kinetic determination [J]. Fuel, 2002, 81(15): 1989-2000.
7. Feng B, Bhatia S K, Barry J C. Structural ordering of coal char during heat treatment and its impact on reactivity [J]. Carbon, 2002, 40(4): 481-496.
8. Kebin A D, Robert H H. Evolution of char chemistry, crystallinity, and ultrafine structure during pulverized-coal combustion [J]. Combustion and Flame, 1995, 100(1): 31-40.
9. 2-gasification of coal black liquid slurry char [J]. J Chem Eng of Chinese Univ, 2007, 21(1): 82-87.
10. Xu Shen-Qi, Zhou Zhi-Jie, Yang Fan. Effects of prolysis temperature on steam gasification of Huainan char [J]. J Chem Eng of Chinese Univ, 2008, 22(6): 947-953.
11. Bhatia S K, Perlmutter D D. A random pore model for fluid-solid reaction:I, Isothermal, kinetic control [J]. J AIChE, 1980, 26(3): 379-385.
12. Xie Ke-Chang. Coal Structure and its Reactivity [M]. Beijing: Science press, 2002
13. 3 loaded Yallourn coal char [J]. Fuel, 1989, 68(5): 626-631.