CARRIER FOR CATALYST FOR CLEANING EXHAUST GAS FROM INTERNAL-COMBUSTION ENGINE

Title:

CARRIER FOR CATALYST FOR CLEANING EXHAUST GAS FROM INTERNAL-COMBUSTION ENGINE

Document Type and Number:

Japanese Patent JP2015178109

Kind Code:

A

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.

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Inventors:

NAKAHARA YUNOSUKE
WAKABAYASHI HOMARE
IMADA YASUNORI
HOSHIJIN NAKANORI
NAGAO YUKI
SAKAGAMI TAKAHIKO
NARA AKIHIRO
AOKI SHINJI

Application Number:

JP2015124233A

Publication Date:

October 08, 2015

Filing Date:

June 19, 2015

Export Citation:

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Assignee:

MITSUI MINING & SMELTING CO

International Classes:

B01J23/10; B01D53/94; B01J32/00; B01J35/08; F01N3/10; F01N3/20; F01N3/28

Domestic Patent References:

JP2005314134A	2005-11-10
JP2006110402A	2006-04-27
JP2006051431A	2006-02-23
JP2005313024A	2005-11-10

Attorney, Agent or Firm:

Hiroyuki Kurihara

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