Heat recovery process in coal gasification
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United States of America Patent
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Jul 24, 1984
Issued Date -
N/A
app pub date -
Sep 29, 1982
filing date -
Jan 29, 1980
priority date (Note) -
Expired
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Abstract
An overall process of cooling, dust removal, tar removal and heat recovery of high temperature gas generated in coal gasification furnaces, and apparatuses employed therefor are provided. In this process, specific apparatuses such as fluidized bed-cooler, fluidized bed-combustion furnace for regenerating granules, granular bed filter, gas cooler, and tar scrubber are successively and effectively employed. During the process, high, medium and low pressure steam, for example, are recovered by heat exchange in these apparatuses.
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