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Title:
OXIDATION CATALYST SUITABLE FOR COMBUSTION OF LIGHT OIL COMPONENT
Document Type and Number:
WIPO Patent Application WO/2012/023494
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an oxidation catalyst (DOC) which is suitable for the combustion of a light oil component that is to be supplied upon the regeneration of a diesel particulate filter (DPF) at a relatively low temperature even after endurance, and which has excellent heat resistance and excellent durability. This oxidation catalyst (DOC) suitable for the combustion of a light oil component comprises an alumina porous material having a peak value of the pore distribution of 10-100 nm as measured on a mercury porosimeter and a noble metal supported on the surface of the alumina porous material and/or on the inner wall surfaces of pores in the alumina porous material. An oxidation catalyst (DOC) structure of the present invention comprises a catalyst-supporting material comprising a ceramic material or a metallic material and the oxidation catalyst (DOC) supported on the catalyst-supporting material.

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Inventors:
KOGAWA TAKAHIRO (JP)
ABE AKIRA (JP)
Application Number:
PCT/JP2011/068385
Publication Date:
February 23, 2012
Filing Date:
August 11, 2011
Export Citation:
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Assignee:
MITSUI MINING & SMELTING CO (JP)
KOGAWA TAKAHIRO (JP)
ABE AKIRA (JP)
International Classes:
B01J35/10; B01D53/94; B01J23/63; F01N3/28
Domestic Patent References:
WO2006109417A12006-10-19
Foreign References:
JP2004290827A2004-10-21
JP2008272659A2008-11-13
JP2009228575A2009-10-08
JP2007315274A2007-12-06
JPH08312331A1996-11-26
JPH08312331A1996-11-26
JP2004290827A2004-10-21
JP2007315274A2007-12-06
JP2009228575A2009-10-08
Other References:
See also references of EP 2606971A4
Attorney, Agent or Firm:
KURIHARA, Hiroyuki et al. (JP)
Hiroyuki Kurihara (JP)
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