JPS6415139A - Catalyst for purifying exhaust gas - Google Patents

Catalyst for purifying exhaust gas

Info

Publication number
JPS6415139A
JPS6415139A JP62171724A JP17172487A JPS6415139A JP S6415139 A JPS6415139 A JP S6415139A JP 62171724 A JP62171724 A JP 62171724A JP 17172487 A JP17172487 A JP 17172487A JP S6415139 A JPS6415139 A JP S6415139A
Authority
JP
Japan
Prior art keywords
alumina
layer
heat
lanthanoids
existing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP62171724A
Other languages
Japanese (ja)
Inventor
Masataka Kawabata
Shinichi Matsumoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP62171724A priority Critical patent/JPS6415139A/en
Publication of JPS6415139A publication Critical patent/JPS6415139A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)

Abstract

PURPOSE:To increase adhesive strength of a layer carrying activated alumina such as gamma-, delta-, eta, theta-alumina by forming oxidized film by existing lanthanoids element on the surface of heat-resisting steel substrate and by heat-treating. CONSTITUTION:One or more kinds of lanthanoids element such as lanthanum, cerium is stuck by thermal spraying or ion plating on the surface of flat 3 or corrugated 2 heat-resisting steel plate such as stainless steel consisting of <=30wt.% chromium, 1-10wt.% aluminum and the rest, or an existing layer is formed on the steel plate by applying and drying aq. soln. dissolved lanthanoids element. Thereafter, the oxidized layer 4 of activated alumina such as gamma-, delta-, theta-alumina contg. little alpha-alumina is formed by heat-treating. The alumina carrier layer stuck by existing the layer and catalytic metal 6 such as platinum, rhodium is carried on the activated alumina carrier layer. As a result, the crystal structure of the activated alumina is stabilized. Besides, the carrier layer can be firmly sticked.
JP62171724A 1987-07-09 1987-07-09 Catalyst for purifying exhaust gas Pending JPS6415139A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62171724A JPS6415139A (en) 1987-07-09 1987-07-09 Catalyst for purifying exhaust gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62171724A JPS6415139A (en) 1987-07-09 1987-07-09 Catalyst for purifying exhaust gas

Publications (1)

Publication Number Publication Date
JPS6415139A true JPS6415139A (en) 1989-01-19

Family

ID=15928496

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62171724A Pending JPS6415139A (en) 1987-07-09 1987-07-09 Catalyst for purifying exhaust gas

Country Status (1)

Country Link
JP (1) JPS6415139A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05293388A (en) * 1992-04-17 1993-11-09 Babcock Hitachi Kk Production of metal honeycomb catalyst carrier for purification of exhaust gas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05293388A (en) * 1992-04-17 1993-11-09 Babcock Hitachi Kk Production of metal honeycomb catalyst carrier for purification of exhaust gas

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