Reaction Rate Analysis of CO<sub>2</sub>Gasification for Indonesian Coal Char at High Temperature and Elevated Pressure

Lisandy, Kevin Yohanes; Kim, Ryang-Gyoon; Hwang, Chan-Won; Jeon, Chung-Hwan

doi:10.3795/ksme-b.2014.38.9.781

Transactions of the Korean Society of Mechanical Engineers B

2014

DOI: 10.3795/ksme-b.2014.38.9.781

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Reaction Rate Analysis of CO₂Gasification for Indonesian Coal Char at High Temperature and Elevated Pressure

Kevin Yohanes Lisandy¹,

Ryang-Gyoon Kim²,

Chan-Won Hwang³

et al.

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2016

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Impact of Internal/External Diffusion on Gasification Reaction Rate Analysis of Coal Char in High Temperatures and Elevated pressures

Kim¹,

Kim²,

Lisandy³

et al. 2016

Journal of the Korean Society of Combustion

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Reactivity of gasification defined by bouardard reaction is critical parameter in efficiency of the gasifier. In this study, char reactivity of the gasification was derived from the experiments using the intrinsic reaction kinetics model. Pressurized wire mesh heating reactor (PWMR) can produce high temperature and high pressure conditions up to 50 atm and 1750 K, respectively and PWMR was designed to evaluate the intrinsic reaction kinetics of CO2 gasification. In this study, Kideco and KCH (sub-bituminous Indonesian coal) were pulverized and converted into char. Experiments used the PWMR were conducted and the conditions of the temperature and pressure were 1373~1673 K, 1~40 atm. To distinguish the pressure effect from high pressurized condition, internal and external effectiveness factors were considered. Finally, the intrinsic kinetics of the Kideco and KCH coal char were derived from n th order reaction rate equations.

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Impact of Internal/External Diffusion on Gasification Reaction Rate Analysis of Coal Char in High Temperatures and Elevated pressures

Kim¹,

Kim²,

Lisandy³

et al. 2016

Journal of the Korean Society of Combustion

View full text Add to dashboard Cite

show abstract

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Reaction Rate Analysis of CO₂Gasification for Indonesian Coal Char at High Temperature and Elevated Pressure

Cited by 1 publication

References 12 publications

Impact of Internal/External Diffusion on Gasification Reaction Rate Analysis of Coal Char in High Temperatures and Elevated pressures

Impact of Internal/External Diffusion on Gasification Reaction Rate Analysis of Coal Char in High Temperatures and Elevated pressures

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Reaction Rate Analysis of CO2Gasification for Indonesian Coal Char at High Temperature and Elevated Pressure

Cited by 1 publication

References 12 publications

Impact of Internal/External Diffusion on Gasification Reaction Rate Analysis of Coal Char in High Temperatures and Elevated pressures

Impact of Internal/External Diffusion on Gasification Reaction Rate Analysis of Coal Char in High Temperatures and Elevated pressures

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Reaction Rate Analysis of CO₂Gasification for Indonesian Coal Char at High Temperature and Elevated Pressure