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
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:
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