Journal of the Japan Institute of Energy
Online ISSN : 1882-6121
Print ISSN : 0916-8753
ISSN-L : 0916-8753
Development of Hot Gas Cleanup Technology for IGCC
Technical Development Trends of 3 Types Hot Gas Cleanup Process
Toshio NAKAYAMAShigemitsu ARAKIEisho TAKAHATAAkihiro TAKAHASHI
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1996 Volume 75 Issue 5 Pages 351-360

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Abstract

IGCC systeme are expected to be of practicable use in the near future, in view of its prominent environmental compatibility and higher thermal energy efficiency. The highest themal efficiency is achievable when the gas cleanup is conducted at a high temperature and pressure. To make the most of these characteristics of high thermal efficiency that is associated with this IGCC, development of hot gas cleanup technology is essential.
IGC Association installed a 200t/d pilot plant in 1990 at Nakoso site, and a hot gas cleanup facility that is composed of the fluidized-bed desulfurization unit and the granular bed dust collector has been operating. Also, Fixed-bed type and Moving-bed type hot gas cleanup facilities were installed in 1993. The characteristics of desulfurization and dust removal were investigated using these facilities. Sulfur and dust concentration in the clean gas were under the target value. From its result, we confirmed that all the 3 types hot gas cleanup processes have high performance.

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