IE43572L - Removing nitrogen oxides contained in a gas stream - Google Patents

Removing nitrogen oxides contained in a gas stream

Info

Publication number
IE43572L
IE43572L IE60876A IE60876A IE43572L IE 43572 L IE43572 L IE 43572L IE 60876 A IE60876 A IE 60876A IE 60876 A IE60876 A IE 60876A IE 43572 L IE43572 L IE 43572L
Authority
IE
Ireland
Prior art keywords
gas stream
nitrogen oxides
removing nitrogen
oxides contained
contained
Prior art date
Application number
IE60876A
Other versions
IE43572B1 (en
Original Assignee
Didier Eng
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
Priority claimed from DE2512410A external-priority patent/DE2512410C3/en
Priority claimed from DE2512409A external-priority patent/DE2512409C3/en
Application filed by Didier Eng filed Critical Didier Eng
Publication of IE43572L publication Critical patent/IE43572L/en
Publication of IE43572B1 publication Critical patent/IE43572B1/en

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
    • 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
    • B01J23/84—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 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/86—Chromium
    • B01J23/862—Iron and chromium

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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
IE60876A 1975-03-21 1976-03-22 Waste gas treatment and apparatus therefor IE43572B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2512410A DE2512410C3 (en) 1975-03-21 1975-03-21 Process for removing nitrogen oxides and plant for carrying out the process
DE2512409A DE2512409C3 (en) 1975-03-21 1975-03-21 Process for removing nitrogen oxides from exhaust gases

Publications (2)

Publication Number Publication Date
IE43572L true IE43572L (en) 1976-09-21
IE43572B1 IE43572B1 (en) 1981-04-08

Family

ID=25768665

Family Applications (2)

Application Number Title Priority Date Filing Date
IE60876A IE43572B1 (en) 1975-03-21 1976-03-22 Waste gas treatment and apparatus therefor
IE60776A IE43571B1 (en) 1975-03-21 1976-03-22 Waste gas treatment

Family Applications After (1)

Application Number Title Priority Date Filing Date
IE60776A IE43571B1 (en) 1975-03-21 1976-03-22 Waste gas treatment

Country Status (2)

Country Link
GB (2) GB1548236A (en)
IE (2) IE43572B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3535312A1 (en) * 1985-10-03 1987-04-09 Didier Eng METHOD FOR REDUCING THE NITROGEN OXIDE CONTENT OF EXHAUST GAS
CN111621330B (en) * 2019-02-28 2024-04-12 中国石油化工股份有限公司 Gasifier system and combustion chamber nitrogen gas replacement method thereof

Also Published As

Publication number Publication date
GB1548236A (en) 1979-07-04
IE43572B1 (en) 1981-04-08
IE43571B1 (en) 1981-04-08
IE43571L (en) 1976-09-21
GB1548237A (en) 1979-07-04

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