AT344668B - Verfahren zur herstellung eines die reduktion von stickoxyden in abgasen bewirkenden bzw. foerdernden katalysators - Google Patents

Verfahren zur herstellung eines die reduktion von stickoxyden in abgasen bewirkenden bzw. foerdernden katalysators

Info

Publication number
AT344668B
AT344668B AT728374A AT728374A AT344668B AT 344668 B AT344668 B AT 344668B AT 728374 A AT728374 A AT 728374A AT 728374 A AT728374 A AT 728374A AT 344668 B AT344668 B AT 344668B
Authority
AT
Austria
Prior art keywords
reduction
producing
exhaust gases
promoting catalyst
oxydes
Prior art date
Application number
AT728374A
Other languages
English (en)
Other versions
ATA728374A (de
Inventor
Takaaki Dr Tamura
Norihiko Fujita
Chihiro Matsuura
Original Assignee
Kogyo Kaihatsu Kenkyusho Ind R
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 JP10349673A external-priority patent/JPS5315709B2/ja
Priority claimed from JP10349573A external-priority patent/JPS5315708B2/ja
Priority claimed from JP11027773A external-priority patent/JPS5315710B2/ja
Priority claimed from JP11027873A external-priority patent/JPS5315711B2/ja
Application filed by Kogyo Kaihatsu Kenkyusho Ind R filed Critical Kogyo Kaihatsu Kenkyusho Ind R
Publication of ATA728374A publication Critical patent/ATA728374A/de
Application granted granted Critical
Publication of AT344668B publication Critical patent/AT344668B/de

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
    • 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
    • B01J29/50—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the erionite or offretite type, e.g. zeolite T, as exemplified by patent document US2950952
    • B01J29/58—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the erionite or offretite type, e.g. zeolite T, as exemplified by patent document US2950952 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)
  • Crystallography & Structural Chemistry (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)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
AT728374A 1973-09-13 1974-09-10 Verfahren zur herstellung eines die reduktion von stickoxyden in abgasen bewirkenden bzw. foerdernden katalysators AT344668B (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP10349673A JPS5315709B2 (de) 1973-09-13 1973-09-13
JP10349573A JPS5315708B2 (de) 1973-09-13 1973-09-13
JP11027773A JPS5315710B2 (de) 1973-09-26 1973-09-26
JP11027873A JPS5315711B2 (de) 1973-09-26 1973-09-26

Publications (2)

Publication Number Publication Date
ATA728374A ATA728374A (de) 1977-12-15
AT344668B true AT344668B (de) 1978-08-10

Family

ID=27469133

Family Applications (1)

Application Number Title Priority Date Filing Date
AT728374A AT344668B (de) 1973-09-13 1974-09-10 Verfahren zur herstellung eines die reduktion von stickoxyden in abgasen bewirkenden bzw. foerdernden katalysators

Country Status (10)

Country Link
AT (1) AT344668B (de)
BR (1) BR7407660D0 (de)
CH (1) CH596880A5 (de)
DE (1) DE2443899C3 (de)
FR (1) FR2243732B1 (de)
GB (1) GB1474119A (de)
IT (1) IT1021324B (de)
NL (1) NL7412183A (de)
SE (1) SE407605B (de)
SU (1) SU660571A3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0362966B1 (de) * 1988-10-07 1994-01-12 Sakai Chemical Industry Co., Ltd., Katalysatoren und Verfahren zur Denitrierung
DE3841990A1 (de) * 1988-12-14 1990-06-21 Degussa Verfahren zur reduktion von stickoxiden aus abgasen
DE4014606A1 (de) * 1989-05-15 1990-11-22 Cottrell Res Inc Reduktion von no(pfeil abwaerts)x(pfeil abwaerts) durch stufenweise brennstoffverbrennung mit acetylenartigen brennstoffen
JPH07106300B2 (ja) * 1989-12-08 1995-11-15 財団法人産業創造研究所 燃焼排ガス中の窒素酸化物除去法
DE102005010221A1 (de) * 2005-03-05 2006-09-07 S&B Industrial Minerals Gmbh Verfahren zum Herstellen eines katalytisch wirkenden Minerals auf Basis eines Gerüstsilikates

Also Published As

Publication number Publication date
FR2243732B1 (de) 1979-03-09
AU7259874A (en) 1976-02-26
CH596880A5 (de) 1978-03-31
GB1474119A (en) 1977-05-18
DE2443899C3 (de) 1978-11-30
IT1021324B (it) 1978-01-30
DE2443899B2 (de) 1978-03-23
NL7412183A (nl) 1975-03-17
FR2243732A1 (de) 1975-04-11
SU660571A3 (ru) 1979-04-30
ATA728374A (de) 1977-12-15
SE7411524L (de) 1975-03-14
BR7407660D0 (pt) 1975-07-08
SE407605B (sv) 1979-04-02
DE2443899A1 (de) 1975-04-03

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee