JPS57194048A - Waste gas filter - Google Patents

Waste gas filter

Info

Publication number
JPS57194048A
JPS57194048A JP7827481A JP7827481A JPS57194048A JP S57194048 A JPS57194048 A JP S57194048A JP 7827481 A JP7827481 A JP 7827481A JP 7827481 A JP7827481 A JP 7827481A JP S57194048 A JPS57194048 A JP S57194048A
Authority
JP
Japan
Prior art keywords
cells
filter
closed
fine particles
waste gases
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
JP7827481A
Other languages
Japanese (ja)
Inventor
Shinichi Matsumoto
Shigenori Sakurai
Mikio Murachi
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 JP7827481A priority Critical patent/JPS57194048A/en
Publication of JPS57194048A publication Critical patent/JPS57194048A/en
Pending legal-status Critical Current

Links

Landscapes

  • Processes For Solid Components From Exhaust (AREA)
  • Catalysts (AREA)

Abstract

PURPOSE: To obtain a filter which has good capturing efficiency and is free from clogging in a honeycomb-like filter carrier having cells which are held closed at one end by forming activated alumina surfaces on the wall surfaces of the cells then depositing catalytic components thereon.
CONSTITUTION: A honeycomb body consisting of a porous inorg. sintered body is used for a filter 1 for removing fine particles such as carbon contained in waste gases. The cells 1a constituting this are closed at either one end so that the open ends and the closed ends are placed adjacent to each other. Activated alumina layers are formed on the wall surfaces of such cells 1a to deposite catalyst component on this alumina layers. Then, the fine particles in the waste gases can be captured by the microholes of the cells and walls and since they are burned by the catalysts, the filter of good capturing rate and purification rate is obtained.
COPYRIGHT: (C)1982,JPO&Japio
JP7827481A 1981-05-23 1981-05-23 Waste gas filter Pending JPS57194048A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7827481A JPS57194048A (en) 1981-05-23 1981-05-23 Waste gas filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7827481A JPS57194048A (en) 1981-05-23 1981-05-23 Waste gas filter

Publications (1)

Publication Number Publication Date
JPS57194048A true JPS57194048A (en) 1982-11-29

Family

ID=13657394

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7827481A Pending JPS57194048A (en) 1981-05-23 1981-05-23 Waste gas filter

Country Status (1)

Country Link
JP (1) JPS57194048A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6220613A (en) * 1985-07-19 1987-01-29 Cataler Kogyo Kk Catalyst filter for removal of particulate
JPH0317219U (en) * 1989-06-30 1991-02-20

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56148607A (en) * 1980-04-18 1981-11-18 Enukoa:Kk Exhaust gas filter for diesel engine
JPS5730551A (en) * 1980-07-29 1982-02-18 Ngk Spark Plug Co Ltd Honeycomb-type catalyst for cleaning exhaust gas

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56148607A (en) * 1980-04-18 1981-11-18 Enukoa:Kk Exhaust gas filter for diesel engine
JPS5730551A (en) * 1980-07-29 1982-02-18 Ngk Spark Plug Co Ltd Honeycomb-type catalyst for cleaning exhaust gas

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6220613A (en) * 1985-07-19 1987-01-29 Cataler Kogyo Kk Catalyst filter for removal of particulate
JPH045803B2 (en) * 1985-07-19 1992-02-03 Kyatara Kogyo Kk
JPH0317219U (en) * 1989-06-30 1991-02-20

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