FR1233712A - élimination sélective des oxydes d'azote d'un gaz contenant de l'oxygène - Google Patents

élimination sélective des oxydes d'azote d'un gaz contenant de l'oxygène

Info

Publication number
FR1233712A
FR1233712A FR796442A FR796442A FR1233712A FR 1233712 A FR1233712 A FR 1233712A FR 796442 A FR796442 A FR 796442A FR 796442 A FR796442 A FR 796442A FR 1233712 A FR1233712 A FR 1233712A
Authority
FR
France
Prior art keywords
oxygen
containing gas
nitrogen oxides
selective removal
selective
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
FR796442A
Other languages
English (en)
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.)
Engelhard Industries Inc
Original Assignee
Engelhard Industries Inc
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 Engelhard Industries Inc filed Critical Engelhard Industries Inc
Application granted granted Critical
Publication of FR1233712A publication Critical patent/FR1233712A/fr
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
    • 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
    • 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
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FR796442A 1958-06-05 1959-06-03 élimination sélective des oxydes d'azote d'un gaz contenant de l'oxygène Expired FR1233712A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US739991A US3008796A (en) 1958-06-05 1958-06-05 Method of purifying gases containing oxygen and oxides of nitrogen

Publications (1)

Publication Number Publication Date
FR1233712A true FR1233712A (fr) 1960-10-12

Family

ID=24974615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR796442A Expired FR1233712A (fr) 1958-06-05 1959-06-03 élimination sélective des oxydes d'azote d'un gaz contenant de l'oxygène

Country Status (4)

Country Link
US (1) US3008796A (fr)
DE (1) DE1115230B (fr)
FR (1) FR1233712A (fr)
GB (1) GB900945A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253685B (de) * 1963-01-22 1967-11-09 Degussa Verfahren zur Entfernung von Stickstoffoxyden aus stickstoffoxydhaltigen Abgasen
US3449063A (en) * 1966-05-13 1969-06-10 Ethyl Corp Method of controlling exhaust emission
JPS5327699B2 (fr) * 1972-12-25 1978-08-10
JPS5523086B2 (fr) * 1973-03-26 1980-06-20
JPS5343916B2 (fr) * 1973-05-21 1978-11-24
US4210628A (en) * 1973-07-12 1980-07-01 Takeda Chemical Industries, Ltd. Removal of nitrogen oxides
US4085193A (en) * 1973-12-12 1978-04-18 Mitsubishi Petrochemical Co. Ltd. Catalytic process for reducing nitrogen oxides to nitrogen
JPS526953B2 (fr) * 1973-12-12 1977-02-25
JPS50101275A (fr) * 1974-01-14 1975-08-11
US4119703A (en) * 1974-06-11 1978-10-10 Japan Gasoline Company, Ltd. Process for removal of nitrogen oxides from waste gas
DE2512410C3 (de) * 1975-03-21 1985-04-18 Didier Engineering Gmbh, 4300 Essen Verfahren zur Entfernung von Stickoxiden und Anlage zur Durchführung des Verfahrens
US4049777A (en) * 1976-05-20 1977-09-20 Didier Engineering Gmbh Method of waste gas treatment
DE3633493A1 (de) * 1986-10-02 1988-04-14 Metallgesellschaft Ag Verfahren zur katalytischen reduktion von no
US4874590A (en) * 1988-04-07 1989-10-17 Uop Catalytic reduction of nitrogen oxides
US5198403A (en) * 1989-02-28 1993-03-30 Degussa Ag Process for producing a catalyst for selective reduction of nitrous oxides with ammonia
US5743929A (en) * 1995-08-23 1998-04-28 The Boc Group, Inc. Process for the production of high purity carbon dioxide
DE102016220184A1 (de) * 2016-10-17 2018-04-19 Thyssenkrupp Ag Verfahren und Anlage zur Herstellung von Salpetersäure
CN107088361B (zh) * 2017-06-13 2021-02-09 山东大学 一种低温滴水吸收式催化脱硝方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE641596C (de) * 1934-08-25 1937-02-06 I G Farbenindustrie Akt Ges Verfahren zur Erzeugung praktisch sauerstoff- und stickoxydfreier Gemische von Stickstoff und Wasserstoff
NL75755C (fr) * 1940-12-19 1954-04-15
DE885395C (de) * 1951-02-04 1953-08-03 Baker & Company Inc Verfahren zur Herstellung von Stickstoff bzw. Stickstoff-Wasserstoff-Gemischen
GB750234A (en) * 1953-03-26 1956-06-13 Ici Ltd Improvements in and relating to the production of nitrogen-containing atmospheres

Also Published As

Publication number Publication date
DE1115230B (de) 1961-10-19
US3008796A (en) 1961-11-14
GB900945A (en) 1962-07-11

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