BE870901A - Catalyseurs pour la reduction d'oxydes d'azote, leur preparation et leurs utilisations - Google Patents

Catalyseurs pour la reduction d'oxydes d'azote, leur preparation et leurs utilisations

Info

Publication number
BE870901A
BE870901A BE190819A BE190819A BE870901A BE 870901 A BE870901 A BE 870901A BE 190819 A BE190819 A BE 190819A BE 190819 A BE190819 A BE 190819A BE 870901 A BE870901 A BE 870901A
Authority
BE
Belgium
Prior art keywords
catalysts
reduction
preparation
nitrogen oxides
oxides
Prior art date
Application number
BE190819A
Other languages
English (en)
French (fr)
Original Assignee
Ube Industries
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 Ube Industries filed Critical Ube Industries
Publication of BE870901A publication Critical patent/BE870901A/xx

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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/053—Sulfates
    • 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
    • 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
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2042—Barium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20723—Vanadium

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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
BE190819A 1977-09-30 1978-09-29 Catalyseurs pour la reduction d'oxydes d'azote, leur preparation et leurs utilisations BE870901A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11668977A JPS5450495A (en) 1977-09-30 1977-09-30 Nitrogen oxides purification catalyst

Publications (1)

Publication Number Publication Date
BE870901A true BE870901A (fr) 1979-01-15

Family

ID=14693419

Family Applications (1)

Application Number Title Priority Date Filing Date
BE190819A BE870901A (fr) 1977-09-30 1978-09-29 Catalyseurs pour la reduction d'oxydes d'azote, leur preparation et leurs utilisations

Country Status (9)

Country Link
US (1) US4225462A (xx)
JP (1) JPS5450495A (xx)
BE (1) BE870901A (xx)
CA (1) CA1125730A (xx)
DE (1) DE2842147C2 (xx)
FR (1) FR2404463A1 (xx)
GB (1) GB2005150B (xx)
IT (1) IT1099135B (xx)
NL (1) NL172517C (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6164334A (ja) * 1984-09-07 1986-04-02 Ube Ind Ltd 窒素酸化物浄化用触媒の製法
US4929586A (en) * 1988-06-09 1990-05-29 W. R. Grace & Co.-Conn. Catalysts for selective catalytic reduction DeNOx technology
US4975256A (en) * 1988-06-09 1990-12-04 W. R. Grace & Co.-Conn. Process using catalysts for selective catalytic reduction denox technology
DE3841990A1 (de) * 1988-12-14 1990-06-21 Degussa Verfahren zur reduktion von stickoxiden aus abgasen
JPH05193648A (ja) * 1992-01-10 1993-08-03 Fujikou Kk 包装用容器
EP1236510A4 (en) * 1999-09-29 2003-07-02 Mitsui Chemicals Inc CATALYST USED FOR THE DECOMPOSITION OF HAZARDOUS MATERIALS AND A METHOD OF DECOMPOSING ORGANIC HALIDES BY MEANS OF SAID CATALYST
KR100314758B1 (ko) * 1999-10-19 2001-11-15 이종훈 배기가스에 함유된 질소산화물 제거용 오산화바나듐계 촉매 및그 제조방법
US7390471B2 (en) * 2005-11-17 2008-06-24 Siemens Power Generation, Inc. Apparatus and method for catalytic treatment of exhaust gases
WO2018021511A1 (ja) * 2016-07-29 2018-02-01 三菱日立パワーシステムズ株式会社 排ガス脱硝触媒、ｃｏ酸化触媒、排ガス処理システム、及び排ガス処理方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1675308A (en) * 1927-08-03 1928-06-26 Selden Co Contact sulphuric-acid process
BE361332A (xx) * 1928-07-03
US3523964A (en) * 1967-04-10 1970-08-11 Olin Corp Preparation of aromatic isocyanates
US3544534A (en) * 1967-04-28 1970-12-01 Furukawa Electric Co Ltd Method for polymerizing olefins
BE790409A (fr) * 1971-10-25 1973-02-15 Isc Chemicals Ltd Catalyseurs d'oxydation a base de vanadium
GB1448550A (en) * 1974-01-31 1976-09-08 Japan Gasoline Process for the removal of nitrogen oxides from a gas stream
JPS50159867A (xx) * 1974-06-17 1975-12-24
JPS5334177B2 (xx) * 1975-03-10 1978-09-19
JPS5451990A (en) * 1977-09-30 1979-04-24 Seitetsu Kagaku Co Ltd Preparation of catalyst for denitration

Also Published As

Publication number Publication date
JPS5450495A (en) 1979-04-20
FR2404463B1 (xx) 1982-01-15
US4225462A (en) 1980-09-30
GB2005150A (en) 1979-04-19
NL172517B (nl) 1983-04-18
DE2842147C2 (de) 1983-12-01
CA1125730A (en) 1982-06-15
NL172517C (nl) 1983-09-16
FR2404463A1 (fr) 1979-04-27
NL7809863A (nl) 1979-04-03
IT7827941A0 (it) 1978-09-21
JPS5632020B2 (xx) 1981-07-24
GB2005150B (en) 1982-04-15
IT1099135B (it) 1985-09-18
DE2842147A1 (de) 1979-04-05

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: UBE INDUSTRIES LTD

Effective date: 19940930