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author:

Lin, Ju (Lin, Ju.) [1] (Scholars:林驹) | Zhang, Jiyu (Zhang, Jiyu.) [2] (Scholars:张济宇) | Zhong, Xueqing (Zhong, Xueqing.) [3]

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Abstract:

Catalytic steam gasification kinetics of Fujian anthracite using black liquor (BL) as catalyst was investigated in an isothermal thermo-gravimetric analyzer under ambient pressure in the conditions of eliminating both inner and outer diffusion effects. The relationships of coal conversion versus reaction time with different catalyst concentrations (0-10%) were determined from 850C to 950C. The research showed that BL could greatly improve the gasification rate and carbon conversion, and the loading saturation level (LSL) of the BL catalyst under the experiment conditions was determined. The shrinking-core model (SCM) was used to correlate catalytic steam gasification parameters to obtain the reaction rate constants at different temperatures. Further kinetic analysis indicated that the catalytic gasification exhibited clear compensation effects. A kinetic equation including compensation effects for the catalytic steam gasification of Fujian anthracite using BL catalyst was finally presented. © All Rights Reserved.

Keyword:

Anthracite Catalysts Enzyme kinetics Gasification Integral equations Kinetics Rate constants Steam Thermogravimetric analysis

Community:

  • [ 1 ] [Lin, Ju]Institute of Chemical Engineering and Technology, Fuzhou University, Fuzhou 350002, China
  • [ 2 ] [Zhang, Jiyu]Institute of Chemical Engineering and Technology, Fuzhou University, Fuzhou 350002, China
  • [ 3 ] [Zhong, Xueqing]Institute of Chemical Engineering and Technology, Fuzhou University, Fuzhou 350002, China

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Source :

CIESC Journal

ISSN: 0438-1157

CN: 11-1946/TQ

Year: 2009

Issue: 4

Volume: 60

Page: 905-911

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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