FR2303595A2 - Catalyseur de reduction pour l'elimination des oxydes d'azote des gaz d'echappement - Google Patents

Catalyseur de reduction pour l'elimination des oxydes d'azote des gaz d'echappement

Info

Publication number
FR2303595A2
FR2303595A2 FR7606207A FR7606207A FR2303595A2 FR 2303595 A2 FR2303595 A2 FR 2303595A2 FR 7606207 A FR7606207 A FR 7606207A FR 7606207 A FR7606207 A FR 7606207A FR 2303595 A2 FR2303595 A2 FR 2303595A2
Authority
FR
France
Prior art keywords
removal
exhaust gases
nitrogen oxides
reduction catalyst
catalyst
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.)
Granted
Application number
FR7606207A
Other languages
English (en)
Other versions
FR2303595B2 (fr
Inventor
Takaaki Tamura
Norihiko Fujita
Chihiro Matsuura
Wataru Ito
Naoki Negishi
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.)
KAIHATSU KENKYUSHO IND RES
Original Assignee
KAIHATSU KENKYUSHO IND RES
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 KAIHATSU KENKYUSHO IND RES filed Critical KAIHATSU KENKYUSHO IND RES
Publication of FR2303595A2 publication Critical patent/FR2303595A2/fr
Application granted granted Critical
Publication of FR2303595B2 publication Critical patent/FR2303595B2/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/78—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
    • B01J29/26—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR7606207A 1975-03-08 1976-03-04 Catalyseur de reduction pour l'elimination des oxydes d'azote des gaz d'echappement Granted FR2303595A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2840875A JPS5437591B2 (fr) 1975-03-08 1975-03-08

Publications (2)

Publication Number Publication Date
FR2303595A2 true FR2303595A2 (fr) 1976-10-08
FR2303595B2 FR2303595B2 (fr) 1981-09-25

Family

ID=12247821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7606207A Granted FR2303595A2 (fr) 1975-03-08 1976-03-04 Catalyseur de reduction pour l'elimination des oxydes d'azote des gaz d'echappement

Country Status (9)

Country Link
US (1) US4097576A (fr)
JP (1) JPS5437591B2 (fr)
AT (1) AT343611B (fr)
AU (1) AU502413B2 (fr)
BE (1) BE839196R (fr)
FR (1) FR2303595A2 (fr)
GB (1) GB1526453A (fr)
IT (1) IT1056914B (fr)
NL (1) NL7602404A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56131366A (en) * 1980-03-17 1981-10-14 Masayuki Ishida Baked filling of sandwich, etc. and apparatus for baking the same
DE3312890A1 (de) * 1983-04-11 1984-10-11 Zbigniew Dr. 6078 Neu-Isenburg Boguslawski Verfahren und vorrichtung zur reinigung von verbrennungsgasen aus beispielsweise haushaltsheizungen, verbrennungsmotoren oder dergl. feuerungen
US4778665A (en) * 1986-09-09 1988-10-18 Mobil Oil Corporation Abatement of NOx in exhaust gases
JPH07106300B2 (ja) * 1989-12-08 1995-11-15 財団法人産業創造研究所 燃焼排ガス中の窒素酸化物除去法
GB2257696B (en) * 1991-06-28 1995-05-31 Riken Kk Method and apparatus for cleaning exhaust gas
US20070232973A1 (en) 2006-04-04 2007-10-04 Serola Richard J Sacroiliac belt and composite structure
CN102734812B (zh) * 2011-04-14 2014-10-29 北京化工大学 一种用于脱除含氰废气的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3436356A (en) * 1964-07-22 1969-04-01 Tsutomu Kato Method of preparing an agent for preventing contamination of air by carbon monoxide
US3476508A (en) * 1965-10-27 1969-11-04 Exxon Research Engineering Co Catalytic purification treatment of exhaust gas
US3449063A (en) * 1966-05-13 1969-06-10 Ethyl Corp Method of controlling exhaust emission
US3346328A (en) * 1967-03-30 1967-10-10 Francis J Sergeys Method of treating exhaust gases
US3656915A (en) * 1970-04-30 1972-04-18 Chemical Construction Corp Catalytic exhaust gas treatment apparatus
US3873469A (en) * 1972-04-12 1975-03-25 Corning Glass Works Support coatings for catalysts
CA1007829A (en) * 1972-09-01 1977-04-05 Exxon Research And Engineering Company Removal of nitrogen oxides and sulfur oxides from gases
GB1425282A (en) * 1973-05-12 1976-02-18 Kaihatsu Kenkyusho Ind Res Oxidation catalst for removal of nitrogen monoxide in exhaust gas

Also Published As

Publication number Publication date
GB1526453A (en) 1978-09-27
IT1056914B (it) 1982-02-20
AU502413B2 (en) 1979-07-26
NL7602404A (nl) 1976-09-10
US4097576A (en) 1978-06-27
JPS51103094A (fr) 1976-09-11
BE839196R (fr) 1976-07-01
FR2303595B2 (fr) 1981-09-25
AT343611B (de) 1978-06-12
AU1173876A (en) 1977-09-08
JPS5437591B2 (fr) 1979-11-15
ATA163576A (de) 1977-10-15

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