CA1036794A - Removal of nitrogen oxides from exhaust gases and catalyst therefor - Google Patents

Removal of nitrogen oxides from exhaust gases and catalyst therefor

Info

Publication number
CA1036794A
CA1036794A CA189,268A CA189268A CA1036794A CA 1036794 A CA1036794 A CA 1036794A CA 189268 A CA189268 A CA 189268A CA 1036794 A CA1036794 A CA 1036794A
Authority
CA
Canada
Prior art keywords
catalyst
weight
amount
nitrogen oxides
gas
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
CA189,268A
Other languages
English (en)
French (fr)
Other versions
CA189268S (en
Inventor
Shigenori Onizuka
Yasumi Kamino
Hideya Inaba
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.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen 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 Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Application granted granted Critical
Publication of CA1036794A publication Critical patent/CA1036794A/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
    • B01D53/8643—Removing mixtures of carbon monoxide or hydrocarbons and nitrogen oxides
    • B01D53/8646—Simultaneous elimination of the components
    • B01D53/865—Simultaneous elimination of the components characterised by a specific catalyst
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/745—Iron
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
CA189,268A 1973-05-28 1973-12-31 Removal of nitrogen oxides from exhaust gases and catalyst therefor Expired CA1036794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5947973A JPS5332358B2 (nl) 1973-05-28 1973-05-28

Publications (1)

Publication Number Publication Date
CA1036794A true CA1036794A (en) 1978-08-22

Family

ID=13114469

Family Applications (1)

Application Number Title Priority Date Filing Date
CA189,268A Expired CA1036794A (en) 1973-05-28 1973-12-31 Removal of nitrogen oxides from exhaust gases and catalyst therefor

Country Status (6)

Country Link
JP (1) JPS5332358B2 (nl)
CA (1) CA1036794A (nl)
FR (1) FR2231416B1 (nl)
GB (1) GB1450224A (nl)
IT (1) IT1002884B (nl)
NL (1) NL161677C (nl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5018376A (nl) * 1973-06-22 1975-02-26
JPS556409B2 (nl) * 1973-09-25 1980-02-16
DE2818905C3 (de) * 1978-04-28 1982-12-09 Siemens AG, 1000 Berlin und 8000 München Elektrisches Mittelspannungs-Schaltfeld
JPS55176010U (nl) * 1979-06-04 1980-12-17
JPH0119530Y2 (nl) * 1979-12-14 1989-06-06
US4654321A (en) * 1981-12-21 1987-03-31 The Standard Oil Company Upgrading synthesis gas catalyst
CA1195678A (en) * 1981-12-21 1985-10-22 Frederick A. Pesa Upgrading synthesis gas
FR2543945B2 (fr) * 1982-03-26 1985-07-19 Inst Francais Du Petrole Procede de fabrication d'un melange de methanol et d'alcools superieurs, a partir de gaz de synthese
EP0362960A3 (en) * 1988-10-05 1990-06-27 Sakai Chemical Industry Co., Ltd., Use of a catalyst composition for denitrization and denitrizing catalysts
JPH02122831A (ja) * 1988-11-02 1990-05-10 Sakai Chem Ind Co Ltd 窒素酸化物除去用触媒
US5137703A (en) * 1989-06-26 1992-08-11 Trustees Of Boston University Thermal catalytic methods for converting oxides of nitrogen into environmentally compatible products
GB2257696B (en) * 1991-06-28 1995-05-31 Riken Kk Method and apparatus for cleaning exhaust gas
JP4573320B2 (ja) * 2000-09-08 2010-11-04 昭和電工株式会社 亜酸化窒素分解触媒、その製造方法及び亜酸化窒素の分解方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53755B2 (nl) * 1973-02-14 1978-01-11

Also Published As

Publication number Publication date
IT1002884B (it) 1976-05-20
FR2231416A1 (nl) 1974-12-27
JPS508771A (nl) 1975-01-29
NL7400892A (nl) 1974-12-02
GB1450224A (en) 1976-09-22
FR2231416B1 (nl) 1980-04-04
NL161677B (nl) 1979-10-15
NL161677C (nl) 1980-03-17
JPS5332358B2 (nl) 1978-09-07

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