CA1002732A - Removal of nitrogen oxides using coated catalyst - Google Patents

Removal of nitrogen oxides using coated catalyst

Info

Publication number
CA1002732A
CA1002732A CA187,099A CA187099A CA1002732A CA 1002732 A CA1002732 A CA 1002732A CA 187099 A CA187099 A CA 187099A CA 1002732 A CA1002732 A CA 1002732A
Authority
CA
Canada
Prior art keywords
removal
nitrogen oxides
coated catalyst
catalyst
coated
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
CA187,099A
Inventor
Neville L. Cull
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
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 Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Application granted granted Critical
Publication of CA1002732A publication Critical patent/CA1002732A/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
    • B01J23/70—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
    • 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
    • B01J23/72—Copper
CA187,099A 1972-12-27 1973-11-30 Removal of nitrogen oxides using coated catalyst Expired CA1002732A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31892172A 1972-12-27 1972-12-27

Publications (1)

Publication Number Publication Date
CA1002732A true CA1002732A (en) 1977-01-04

Family

ID=23240134

Family Applications (1)

Application Number Title Priority Date Filing Date
CA187,099A Expired CA1002732A (en) 1972-12-27 1973-11-30 Removal of nitrogen oxides using coated catalyst

Country Status (7)

Country Link
JP (1) JPS594175B2 (en)
BE (1) BE809129A (en)
CA (1) CA1002732A (en)
DE (1) DE2363865A1 (en)
FR (1) FR2212171B1 (en)
GB (1) GB1453316A (en)
NL (1) NL7317416A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5523086B2 (en) * 1973-03-26 1980-06-20
JPS5429991B2 (en) * 1973-10-15 1979-09-27
JPS542912B2 (en) * 1973-09-10 1979-02-15
JPS5235342B2 (en) * 1973-12-12 1977-09-08
JPS5222839B2 (en) * 1973-12-12 1977-06-20
JPS526953B2 (en) * 1973-12-12 1977-02-25
JPS5152361A (en) * 1974-11-01 1976-05-08 Hitachi Ltd Haigasuchuno chitsusosankabutsu ojokyosuru hoho
JPS5334195B2 (en) * 1975-01-28 1978-09-19
JPS5621469B2 (en) * 1975-02-25 1981-05-19
JPS5296966A (en) * 1976-02-12 1977-08-15 Hitachi Ltd Treatment of exhaust gas containing nitrogen oxides and sulfur oxides
JPS52152865A (en) * 1976-06-16 1977-12-19 Hitachi Ltd Treatment of gas containing nitrogen oxides and sulfur oxides
JPS5340680A (en) * 1977-10-11 1978-04-13 Mitsubishi Chem Ind Ltd Decomposing method for nitrogen oxide by catalytic reduction
DE3407291A1 (en) * 1984-02-29 1985-09-05 Basf Ag, 6700 Ludwigshafen Process for the catalytic purification of exhaust gases from diesel engines
DE3643605C1 (en) * 1986-12-19 1988-07-14 Otto Feuerfest Gmbh Carrier catalyst, process for its preparation and its use for the reduction of nitrogen oxides
SE464688B (en) * 1989-02-27 1991-06-03 Eka Nobel Ab CATALYST FOR REDUCING NITROGEN OXIDES AND USING THEREOF
GB2247412A (en) * 1989-03-17 1992-03-04 Mobil Oil Corp Regeneration of Fischer-Tropsch catalysts

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253685B (en) * 1963-01-22 1967-11-09 Degussa Process for the removal of nitrogen oxides from nitrogen oxide-containing exhaust gases
US3279884A (en) * 1963-10-31 1966-10-18 Basf Ag Selective removal of oxides of nitrogen from gas mixtures containing oxygen
DE1259298B (en) * 1964-08-29 1968-01-25 Hamburger Gaswerke Gmbh Process for removing nitrogen oxides from gases by catalytic reduction thereof to nitrogen
US3502595A (en) * 1965-10-28 1970-03-24 Sinclair Research Inc Preparation of silica-alumina,titania-alumina,and phosphorous oxide-alumina catalysts

Also Published As

Publication number Publication date
GB1453316A (en) 1976-10-20
JPS594175B2 (en) 1984-01-28
DE2363865A1 (en) 1974-07-04
BE809129A (en) 1974-06-27
FR2212171B1 (en) 1980-05-16
FR2212171A1 (en) 1974-07-26
NL7317416A (en) 1974-07-01
JPS4997794A (en) 1974-09-17

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