Kinetic study on catalytic gasification of a modified sludge fuel--颗粒学报PARTICUOLOGY

Zhu, X., Song, B., Kim, D., Kang, S., Lee, S., Jeon, S., Choi, Y., Byoun, Y., Moon, W., Lee, J., Kim, H., Lee, H., & Shim, J. (2008). Kinetic study on catalytic gasification of a modified sludge fuel. Particuology, 6(4), 258–264. https://doi.org/10.1016/j.partic.2008.04.003

Kinetic study on catalytic gasification of a modified sludge fuel

Xueyan Zhu ^a, Byungho Song ^a *, Dookie Kim ^b, Sungku Kang ^c, Seungjae Lee ^c, Seokku Jeon ^d, Youngtai Choi ^e, Yoonseop Byoun ^f, Woonsig Moon ^f, Joonghee Lee ^g, Honggun Kim ^h, Hongki Lee ⁱ, Joongpyo Shim ^a

a Department of Chemical Engineering, Kunsan National University, Gunsan 573-701, Korea
b Department of Civil & Environmental Engineering, Kunsan National University, Gunsan, Korea
c Korea Institute of Energy Research, Daejeon 305-343, Korea
d Process Plant Group, Hyndai Engineering Co. Ltd., Seoul 158-723, Korea
e Korea Institute of Industrial Technology, Cheonan 330-825, Korea
f Micro Science Tech Co., Ltd., Gyunggi-do, Korea
g Core Technology Research Center for Fuel Cell, Jeonju, Korea
h Department of Mechanical & Auto. Engineering, Jeonju University, Jeonju, Korea
i Department of Advanced Material Engineering, Woosuk University, Jeonju, Korea

10.1016/j.partic.2008.04.003

Volume 6, Issue 4, August 2008, Pages 258-264

Received 7 January 2008, Accepted 25 April 2008, Available online 15 July 2008.

E-mail: bhsong@kunsan.ac.kr

Highlights

Abstract

A new type of mixture fuel, sludge–oil–coal agglomerate (SOCA), was catalytically gasified with steam in a thermobalance reactor under atmospheric pressure. All the four catalysts studied (K₂CO₃, CaO, NiO and Fe₂O₃) were found capable of enhancing the steam gasification rate and significantly increasing the conversion of carbon. The ranking of catalytic activity was found to be K₂CO₃ ≫ CaO > NiO > Fe₂O₃. A modified volumetric-reaction model in the literature was used to describe the conversion behavior of the steam gasification studied by evaluating the kinetic parameters. Expressions of the apparent gasification rates for SOCA were presented for the design of catalytic gasification processes.

Graphical abstract

Keywords

Sludge; Coal; Oil; Steam gas; ification; Catalyst; Thermobalance; Kinetics

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