Direct reduction with coal gasification and coke oven gas

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United States of America Patent

PATENT NO 11021766
APP PUB NO 20180119236A1
SERIAL NO

15802900

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Abstract

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A method and apparatus for producing direct reduced iron (DRI), including: generating a reducing gas in a coal gasifier using coal, oxygen, steam, and a first coke oven gas (COG) stream as inputs to the coal gasifier; and delivering the reducing gas to a shaft furnace and exposing iron ore agglomerates to the reducing gas to form metallic iron agglomerates. The method further includes delivering a second COG stream directly to the shaft furnace.

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Patent Owner(s)

Patent OwnerAddress
MIDREX TECHNOLOGIES INC3735 GLEN LAKE DRIVE SUITE 400 CHARLOTTE NC 28208

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Michishita, Haruyasu Charlotte, US 12 17
Winter, John Charlotte, US 10 28

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