Catalytic gasification kinetics and compensation effect of high metamorphosed anthracite - Details

author：

Yu, R.-G. (Yu, R.-G..) ^[1] | Chen, Y. (Chen, Y..) ^[2] | Lin, C. (Lin, C..) ^[3] | Zhang, J.-Y. (Zhang, J.-Y..) ^[4]

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Abstract：

Using　sodium　carbonates　as　a　catalyst,　the　steam　gasification　kinetics　of　Jianxin　high　metamorphosed　anthracite　was　studied　by　isothermal　thermo-gravimetric　analysis　under　ambient　pressure　in　this　paper.　The　reaction　activity　of　anthracite　loaded　with　different　sodium　carbonate　concentrations(0-18%)　was　investigated　within　the　temperature　range　from　800-950°C.The　loading　saturation　level　of　the　sodium　carbonate　in　catalysts　under　experimental　conditions　was　determined.　The　catalytic　steam　gasification　reaction　could　be　well　fitted　by　the　shrinking-core　model　and　the　kinetic　parameters　were　determined.　Results　show　that　sodium　carbonate　remarkably　reduces　the　activation　energy　of　gasification　reaction.　It　is　exhibited　that　compensation　effect　exists　clearly　in　catalytic　gasification　kinetics　in　the　kinetic　analysis.　The　compensation　effect　is　expressed　by　ln,　A　0=8.66×10　-5　E-0.282,　7,　and　the　isokinetic　temperature　is　1389　K.

Keyword：

Anthracite; Catalytic gasification; Compensation effect; Sodium carbonate

Community：

[ 1 ] [Yu, R.-G.]School of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China
[ 2 ] [Yu, R.-G.]Institute of Chemical Engineering and Technology, Fuzhou University, Fuzhou 350108, China
[ 3 ] [Chen, Y.]School of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China
[ 4 ] [Chen, Y.]Material Engineering College, Fujian Agriculture and Forestry University, Fuzhou 350002, China
[ 5 ] [Lin, C.]School of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China
[ 6 ] [Lin, C.]Institute of Chemical Engineering and Technology, Fuzhou University, Fuzhou 350108, China
[ 7 ] [Zhang, J.-Y.]Institute of Chemical Engineering and Technology, Fuzhou University, Fuzhou 350108, China

Reprint 's Address：

[Chen, Y.]School of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China

Email：

chenyan@fjau.edu.cn

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Source ：

Journal of Combustion Science and Technology

ISSN： 1006-8740

Year： 2012

Issue： 1

Volume： 18

Page： 85-89

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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