KAGAKU KOGAKU RONBUNSHU
Online ISSN : 1349-9203
Print ISSN : 0386-216X
ISSN-L : 0386-216X
Modeling for Gasification of Polyethylene by Partial Combustion in Fluidized Bed with Conical Gas Distributor
HISAO INAMIMITSUKO SAITOMASAFUMI MOCHIZUKIKAZUMI SATOTAKASHI AKEHATA
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2000 Volume 26 Issue 4 Pages 588-595

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Abstract

A simulation model for gasification of polyethylene (HDPE) pellet in a fluidized bed with a conical gas distributor is proposed. The model is based on the enthalpy balance and the material balance for the gasification process, assuming the spout, the annulus and the dilute phase are three perfect mixed phases. First a reaction temperature is calculated through the enthalpy balance and then the conversion of HDPE to each gas is calculated by using the reaction temperature.
The comparison between calculated and experimental values reveals that the model is applicable to predict gas yield in the fluidized bed gasifier with a conical gas distributor. The gasification characteristics such as reaction ratio of the dense phase in the bed and partial combustion ratio of HDPE are examined to clarify the characteristic of gasification of HDPE in the fluidized bed with a conical gas distributor.

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© by THE SOCIETY OF CHEMICAL ENGINEERS, JAPAN
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