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Title:
CATALYST REGENERATION METHOD FOR COS CONVERSION CATALYST
Document Type and Number:
WIPO Patent Application WO/2015/098319
Kind Code:
A1
Abstract:
This catalyst regeneration method for a COS conversion catalyst is a regeneration method for a Ba/TiO2 COS conversion catalyst for hydrolyzing carbonyl sulfide (COS) in gasified gases in which a carbon starting material is gasified. Used COS conversion catalyst is dried after water washing, immersed in an aqueous solution of a barium salt for a prescribed period of time, and fired after drying. Thereby, it is possible to make the COS conversion catalyst carry an active component again on the surface thereof and thus regenerate the COS conversion catalyst.

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Inventors:
YONEMURA MASANAO (JP)
SAWATA AKIHIRO (JP)
TANAKA YUKIO (JP)
YOSHIOKA HIROSHI (JP)
YASUTAKE TOSHINOBU (JP)
Application Number:
PCT/JP2014/079756
Publication Date:
July 02, 2015
Filing Date:
November 10, 2014
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
B01J38/48
Domestic Patent References:
WO2013125437A12013-08-29
Foreign References:
JP2002102716A2002-04-09
JP2006143959A2006-06-08
JPH06218230A1994-08-09
JP2004075712A2004-03-11
JP2001162174A2001-06-19
Other References:
See also references of EP 2987553A4
Attorney, Agent or Firm:
SAKAI, Hiroaki et al. (JP)
Hiroaki Sakai (JP)
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