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Title:
A carrier for a catalyst for internal-combustion engine exhaust gas purification
Document Type and Number:
Japanese Patent JP5976891
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a carrier for catalyst for cleaning exhaust gas from an internal-combustion engine which has excellent OSC over a wide temperature range from low temperature to high temperature in an initial phase of starting operation.SOLUTION: There is provided a carrier for catalyst for cleaning exhaust gas from an internal-combustion engine in which CeOis carried on the surface of a core material made of solid solution of CeO-ZrOor a core material made of solid solution of CeO-ZrO-LaO. An amount of CeOin the core material is 5 to 35 mass% of the mass of the carrier, an amount of LaOin the core material is 0 to 10 mass% of the mass of the carrier, and an amount of CeOcarried on the surface of the core material is 5 to 17 mass% of the mass of the carrier.

Inventors:
Yunosuke Nakahara
Homare Wakabayashi
Imada Yuki
Houki Oki
Yuki Nagao
Takahiko Sakagami
Akihiro Nara
Shinji Aoki
Application Number:
JP2015124233A
Publication Date:
August 24, 2016
Filing Date:
June 19, 2015
Export Citation:
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Assignee:
Mitsui Mining & Smelting Co., Ltd.
International Classes:
B01J23/10; B01D53/94; B01J32/00; B01J35/08; F01N3/10; F01N3/20; F01N3/28
Domestic Patent References:
JP2005314134A
JP2006110402A
JP2006051431A
JP2005313024A
Attorney, Agent or Firm:
Hiroyuki Kurihara



 
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