DE2443899C3 - Verfahren zur Herstellung eines Reduktionskatalysators zur Abscheidung von Stickoxiden aus Abgasen - Google Patents
Verfahren zur Herstellung eines Reduktionskatalysators zur Abscheidung von Stickoxiden aus AbgasenInfo
- Publication number
- DE2443899C3 DE2443899C3 DE2443899A DE2443899A DE2443899C3 DE 2443899 C3 DE2443899 C3 DE 2443899C3 DE 2443899 A DE2443899 A DE 2443899A DE 2443899 A DE2443899 A DE 2443899A DE 2443899 C3 DE2443899 C3 DE 2443899C3
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- carrier
- metal
- metals
- nitrogen oxides
- 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
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)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10349573A JPS5315708B2 (xx) | 1973-09-13 | 1973-09-13 | |
JP10349673A JPS5315709B2 (xx) | 1973-09-13 | 1973-09-13 | |
JP11027773A JPS5315710B2 (xx) | 1973-09-26 | 1973-09-26 | |
JP11027873A JPS5315711B2 (xx) | 1973-09-26 | 1973-09-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2443899A1 DE2443899A1 (de) | 1975-04-03 |
DE2443899B2 DE2443899B2 (de) | 1978-03-23 |
DE2443899C3 true DE2443899C3 (de) | 1978-11-30 |
Family
ID=27469133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2443899A Expired DE2443899C3 (de) | 1973-09-13 | 1974-09-13 | Verfahren zur Herstellung eines Reduktionskatalysators zur Abscheidung von Stickoxiden aus Abgasen |
Country Status (10)
Country | Link |
---|---|
AT (1) | AT344668B (xx) |
BR (1) | BR7407660D0 (xx) |
CH (1) | CH596880A5 (xx) |
DE (1) | DE2443899C3 (xx) |
FR (1) | FR2243732B1 (xx) |
GB (1) | GB1474119A (xx) |
IT (1) | IT1021324B (xx) |
NL (1) | NL7412183A (xx) |
SE (1) | SE407605B (xx) |
SU (1) | SU660571A3 (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE68912262T2 (de) * | 1988-10-07 | 1994-05-11 | Sakai Chemical Industry Co | 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 |
-
1974
- 1974-09-06 FR FR7430298A patent/FR2243732B1/fr not_active Expired
- 1974-09-10 CH CH1231774A patent/CH596880A5/xx not_active IP Right Cessation
- 1974-09-10 AT AT728374A patent/AT344668B/de not_active IP Right Cessation
- 1974-09-11 GB GB3968374A patent/GB1474119A/en not_active Expired
- 1974-09-12 SE SE7411524A patent/SE407605B/xx unknown
- 1974-09-12 IT IT27226/74A patent/IT1021324B/it active
- 1974-09-12 SU SU742063265A patent/SU660571A3/ru active
- 1974-09-13 NL NL7412183A patent/NL7412183A/xx not_active Application Discontinuation
- 1974-09-13 DE DE2443899A patent/DE2443899C3/de not_active Expired
- 1974-09-13 BR BR7660/74A patent/BR7407660D0/pt unknown
Also Published As
Publication number | Publication date |
---|---|
DE2443899A1 (de) | 1975-04-03 |
SE7411524L (xx) | 1975-03-14 |
GB1474119A (en) | 1977-05-18 |
AU7259874A (en) | 1976-02-26 |
FR2243732B1 (xx) | 1979-03-09 |
FR2243732A1 (xx) | 1975-04-11 |
SU660571A3 (ru) | 1979-04-30 |
NL7412183A (nl) | 1975-03-17 |
DE2443899B2 (de) | 1978-03-23 |
IT1021324B (it) | 1978-01-30 |
SE407605B (sv) | 1979-04-02 |
AT344668B (de) | 1978-08-10 |
BR7407660D0 (pt) | 1975-07-08 |
CH596880A5 (xx) | 1978-03-31 |
ATA728374A (de) | 1977-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
8339 | Ceased/non-payment of the annual fee |