BE819841A - Catalysts for nitrogen oxide redn. in effluent gases - with metal components supported on natural tuffs - Google Patents

Catalysts for nitrogen oxide redn. in effluent gases - with metal components supported on natural tuffs

Info

Publication number
BE819841A
BE819841A BE148460A BE148460A BE819841A BE 819841 A BE819841 A BE 819841A BE 148460 A BE148460 A BE 148460A BE 148460 A BE148460 A BE 148460A BE 819841 A BE819841 A BE 819841A
Authority
BE
Belgium
Prior art keywords
catalysts
tuffs
redn
gases
natural
Prior art date
Application number
BE148460A
Other languages
English (en)
French (fr)
Inventor
T Tamura
N Fujita
Ch Matsuura
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 filed Critical
Publication of BE819841A publication Critical patent/BE819841A/xx

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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B01J29/76—Iron group metals or copper
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
    • B01J29/26—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/40—Special temperature treatment, i.e. other than just for template removal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
BE148460A 1973-09-13 1974-09-12 Catalysts for nitrogen oxide redn. in effluent gases - with metal components supported on natural tuffs BE819841A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10349573A JPS5315708B2 (xx) 1973-09-13 1973-09-13

Publications (1)

Publication Number Publication Date
BE819841A true BE819841A (en) 1974-12-31

Family

ID=14355560

Family Applications (1)

Application Number Title Priority Date Filing Date
BE148460A BE819841A (en) 1973-09-13 1974-09-12 Catalysts for nitrogen oxide redn. in effluent gases - with metal components supported on natural tuffs

Country Status (2)

Country Link
JP (1) JPS5315708B2 (xx)
BE (1) BE819841A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5256088A (en) * 1975-11-01 1977-05-09 Kogyo Kaihatsu Kenkyusho Kk Removal of nitrogen oxides
JPS5552720Y2 (xx) * 1977-06-02 1980-12-06
JPS6372327A (ja) * 1987-08-28 1988-04-02 Kogyo Kaihatsu Kenkyusho ガス中のアンモニアおよび炭化水素系化合物除去方法

Also Published As

Publication number Publication date
JPS5315708B2 (xx) 1978-05-26
JPS5053289A (xx) 1975-05-12

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