FR1365787A - Process for the catalytic purification of gases containing nitrogen oxides and catalyst which can be used for this purpose - Google Patents

Process for the catalytic purification of gases containing nitrogen oxides and catalyst which can be used for this purpose

Info

Publication number
FR1365787A
FR1365787A FR944153A FR944153A FR1365787A FR 1365787 A FR1365787 A FR 1365787A FR 944153 A FR944153 A FR 944153A FR 944153 A FR944153 A FR 944153A FR 1365787 A FR1365787 A FR 1365787A
Authority
FR
France
Prior art keywords
catalyst
nitrogen oxides
containing nitrogen
gases containing
catalytic purification
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
FR944153A
Other languages
French (fr)
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
Priority claimed from US217531A external-priority patent/US3245920A/en
Application filed by Engelhard Industries Inc filed Critical Engelhard Industries Inc
Priority to FR944153A priority Critical patent/FR1365787A/en
Application granted granted Critical
Publication of FR1365787A publication Critical patent/FR1365787A/en
Priority claimed from US489740A external-priority patent/US3328115A/en
Expired legal-status Critical Current

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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/16—Clays or other mineral silicates
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • 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
    • 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
    • B01J37/03—Precipitation; Co-precipitation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Dispersion Chemistry (AREA)
FR944153A 1962-08-17 1963-08-08 Process for the catalytic purification of gases containing nitrogen oxides and catalyst which can be used for this purpose Expired FR1365787A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR944153A FR1365787A (en) 1962-08-17 1963-08-08 Process for the catalytic purification of gases containing nitrogen oxides and catalyst which can be used for this purpose

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US217531A US3245920A (en) 1962-08-17 1962-08-17 Catalyst composition consisting of a noble metal on alumina
FR944153A FR1365787A (en) 1962-08-17 1963-08-08 Process for the catalytic purification of gases containing nitrogen oxides and catalyst which can be used for this purpose
US489740A US3328115A (en) 1962-08-17 1965-09-23 Process for catalytically purifying gases containing oxides of nitrogen

Publications (1)

Publication Number Publication Date
FR1365787A true FR1365787A (en) 1964-07-03

Family

ID=27247395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944153A Expired FR1365787A (en) 1962-08-17 1963-08-08 Process for the catalytic purification of gases containing nitrogen oxides and catalyst which can be used for this purpose

Country Status (1)

Country Link
FR (1) FR1365787A (en)

Similar Documents

Publication Publication Date Title
FR1205311A (en) Process for the treatment of waste gases containing nitrogen oxides
FR1186361A (en) Process for purifying fumes or waste gases which contain nitrogen oxides
CH385560A (en) Method and device for filtering and catalytic purification of exhaust gases containing solid components
FR1233712A (en) selective removal of nitrogen oxides from an oxygen-containing gas
CH417535A (en) Process for removing nitrogen oxides contained in certain industrial waste gases
FR1365787A (en) Process for the catalytic purification of gases containing nitrogen oxides and catalyst which can be used for this purpose
FR1454413A (en) Improvement in the purification of gases containing nitrogen oxides
FR1337630A (en) Method and device for filtering and catalytic purification of exhaust gases containing solid components
CH535065A (en) Physico-chemical purification process of fumes and gases
BE613976A (en) Process for removing nitric oxide from cracked gases or similar gases
FR1388242A (en) Process for removing nitrogen oxides from gases
FR1432084A (en) Process for the purification of exhaust gases containing tars and fluorine
FR1181556A (en) Purification of gases containing nitrogen oxides
FR1337379A (en) Gas purification process
FR1350231A (en) Process for treating flue gas containing sulfur dioxide gas with red sludge
FR1363708A (en) Process for the conversion of carbon monoxide or gases containing it
FR1322565A (en) Soderberg furnace flue gas purification process
FR1268476A (en) Process for the selective removal of nitrogen oxides from gas streams
FR1371773A (en) Process for cleaning up and purifying combustion gases and industrial fumes
FR1377776A (en) Catalysts for the purification of exhaust gases and process for their preparation
FR1284767A (en) Process for the catalytic treatment of a gas stream containing harmful products
BE633360A (en) Process for the absorption of formaldehyde from gases containing formaldehyde
FR1330900A (en) Process for the purification of alkylene oxides
FR1376362A (en) Process for removing nitric oxide from gas mixtures containing hydrogen and hydrocarbons
FR1271524A (en) Treatment of gases containing nitrogen oxides and oxygen