CA1031538A - Reduction catalyst for removal of nitrogen oxides in exhaust gases - Google Patents

Reduction catalyst for removal of nitrogen oxides in exhaust gases

Info

Publication number
CA1031538A
CA1031538A CA209,822A CA209822A CA1031538A CA 1031538 A CA1031538 A CA 1031538A CA 209822 A CA209822 A CA 209822A CA 1031538 A CA1031538 A CA 1031538A
Authority
CA
Canada
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.)
Expired
Application number
CA209,822A
Other languages
English (en)
French (fr)
Inventor
Takaaki Tamura
Chihiro Matsuura
Norihiko Fujita
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.)
KOGYO KAIHATSU KENKYUSHO
Original Assignee
KOGYO KAIHATSU KENKYUSHO
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 KOGYO KAIHATSU KENKYUSHO filed Critical KOGYO KAIHATSU KENKYUSHO
Application granted granted Critical
Publication of CA1031538A publication Critical patent/CA1031538A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01J29/061—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing metallic elements added to the zeolite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
CA209,822A 1973-09-27 1974-09-23 Reduction catalyst for removal of nitrogen oxides in exhaust gases Expired CA1031538A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10870273A JPS548351B2 (de) 1973-09-27 1973-09-27

Publications (1)

Publication Number Publication Date
CA1031538A true CA1031538A (en) 1978-05-23

Family

ID=14491445

Family Applications (1)

Application Number Title Priority Date Filing Date
CA209,822A Expired CA1031538A (en) 1973-09-27 1974-09-23 Reduction catalyst for removal of nitrogen oxides in exhaust gases

Country Status (12)

Country Link
JP (1) JPS548351B2 (de)
AT (1) AT342012B (de)
BE (1) BE820229R (de)
BR (1) BR7407982D0 (de)
CA (1) CA1031538A (de)
CH (1) CH604886A5 (de)
DE (1) DE2446006C3 (de)
FR (1) FR2245409B2 (de)
GB (1) GB1488017A (de)
IT (1) IT1054188B (de)
SE (1) SE7412162L (de)
SU (1) SU652868A3 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1110829A (en) * 1978-03-30 1981-10-20 Gerald M. Woltermann Conversion of nitrogen oxides
JPS5913893B2 (ja) * 1979-07-18 1984-04-02 日立造船株式会社 低温活性を有する排煙脱硝触媒
JPS5559846A (en) * 1979-07-18 1980-05-06 Hitachi Zosen Corp Catalyst having activity at low temperature for exhaust smoke denitration
GB2162830B (en) * 1984-08-10 1988-08-10 Babcock Hitachi Kk Ammonia reduction-denitration process and apparatus therefor
FR2568789B1 (fr) * 1984-08-13 1990-03-30 Babcock Hitachi Kk Procede de reduction-denitration par l'ammoniac et appareil pour sa mise en oeuvre
DE3544476A1 (de) * 1985-12-16 1987-06-19 Sued Chemie Ag Eisenhaltiger katalysator zur verringerung des stickoxidgehalts von verbrennungsabgasen
DE3635284A1 (de) * 1986-10-16 1988-04-28 Steuler Industriewerke Gmbh Katalysator zur entfernung von stickoxiden aus abgasen
DE3932452C2 (de) * 1988-10-03 1997-02-27 Toyoda Chuo Kenkyusho Kk Kupfersilikat-Katalysator und Verfahren zur Abgasreinigung
DE4014606A1 (de) * 1989-05-15 1990-11-22 Cottrell Res Inc Reduktion von no(pfeil abwaerts)x(pfeil abwaerts) durch stufenweise brennstoffverbrennung mit acetylenartigen brennstoffen
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
JP4803487B2 (ja) * 2006-02-22 2011-10-26 株式会社豊田中央研究所 窒素酸化物選択還元触媒及びその製造方法
EP2463028A1 (de) * 2010-12-11 2012-06-13 Umicore Ag & Co. Kg Verfahren zur Herstellung von metalldotierten Zeoliten und Zeotypen sowie dessen Anwendung zur katalytischen Entfernung von Stickstoffoxiden
RU2543168C2 (ru) * 2011-09-07 2015-02-27 Закрытое Акционерное Общество "Саровские Лаборатории", Российская Федерация, Состав адсорбента для удаления токсичных веществ из выхлопных газов автомобиля и способ его изготовления
CN112930457B (zh) 2018-10-23 2022-11-15 八千代工业株式会社 压力容器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49122475A (de) * 1973-03-13 1974-11-22

Also Published As

Publication number Publication date
DE2446006B2 (de) 1979-06-21
CH604886A5 (de) 1978-09-15
GB1488017A (en) 1977-10-05
ATA767374A (de) 1977-07-15
FR2245409B2 (de) 1979-04-13
SU652868A3 (ru) 1979-03-15
BR7407982D0 (pt) 1975-09-16
DE2446006C3 (de) 1980-02-28
JPS5059283A (de) 1975-05-22
BE820229R (fr) 1975-01-16
JPS548351B2 (de) 1979-04-14
FR2245409A2 (de) 1975-04-25
IT1054188B (it) 1981-11-10
DE2446006A1 (de) 1975-04-03
AU7374174A (en) 1976-04-01
AT342012B (de) 1978-03-10
SE7412162L (de) 1975-04-01

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