Title:
DIRECT REDUCTION WITH COAL GASIFICATION AND COKE OVEN GAS
Document Type and Number:
WIPO Patent Application WO/2018/128682
Kind Code:
A3
Abstract:
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.
Inventors:
MICHISHITA HARUYASU (US)
WINTER JOHN (US)
WINTER JOHN (US)
Application Number:
PCT/US2017/059864
Publication Date:
August 16, 2018
Filing Date:
November 03, 2017
Export Citation:
Assignee:
MIDREX TECHNOLOGIES INC (US)
International Classes:
C10J3/02; C21B13/02
Foreign References:
CN102304599A | 2012-01-04 | |||
US20160208351A1 | 2016-07-21 | |||
US20180119236A1 | 2018-05-03 | |||
US4483691A | 1984-11-20 | |||
US20140260803A1 | 2014-09-18 | |||
US20140252699A1 | 2014-09-11 | |||
US20090211401A1 | 2009-08-27 |
Attorney, Agent or Firm:
BERNARD, Christopher, L. (US)
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