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WO2008151823A3 - Zeolite catalyst for removing nitrogen from exhaust gases - Google Patents

Zeolite catalyst for removing nitrogen from exhaust gases Download PDF

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Publication number
WO2008151823A3
WO2008151823A3 PCT/EP2008/004782 EP2008004782W WO2008151823A3 WO 2008151823 A3 WO2008151823 A3 WO 2008151823A3 EP 2008004782 W EP2008004782 W EP 2008004782W WO 2008151823 A3 WO2008151823 A3 WO 2008151823A3
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust gases
zeolite catalyst
removing nitrogen
catalyst
relates
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.)
Ceased
Application number
PCT/EP2008/004782
Other languages
German (de)
French (fr)
Other versions
WO2008151823A2 (en
Inventor
Roderik Althoff
Arno Tissler
Hans-Christoph Schwarzer
Ingo Hanke
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.)
Sued Chemie AG
Original Assignee
Sued Chemie AG
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 Sued Chemie AG filed Critical Sued Chemie AG
Publication of WO2008151823A2 publication Critical patent/WO2008151823A2/en
Publication of WO2008151823A3 publication Critical patent/WO2008151823A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—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
    • 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
    • B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • B01J35/57—Honeycombs
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G70/00—Working-up undefined normally gaseous mixtures obtained by processes covered by groups C10G9/00, C10G11/00, C10G15/00, C10G47/00, C10G51/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9202—Linear dimensions
    • 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
    • B01J2229/42—Addition of matrix or binder particles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

The invention relates to alternative DeNOx catalyst systems for treating exhaust gases containing nitrogen oxides, said catalyst comprising a mass catalyst which consists of a zeolite and is an extrudate in the form of a honeycomb body. The invention also relates to uses of said catalyst system.
PCT/EP2008/004782 2007-06-15 2008-06-13 Zeolite catalyst for removing nitrogen from exhaust gases Ceased WO2008151823A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007027676.3 2007-06-15
DE102007027676A DE102007027676A1 (en) 2007-06-15 2007-06-15 Zeolitic catalyst for denitrification of exhaust gases

Publications (2)

Publication Number Publication Date
WO2008151823A2 WO2008151823A2 (en) 2008-12-18
WO2008151823A3 true WO2008151823A3 (en) 2009-04-30

Family

ID=39942829

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/004782 Ceased WO2008151823A2 (en) 2007-06-15 2008-06-13 Zeolite catalyst for removing nitrogen from exhaust gases

Country Status (2)

Country Link
DE (1) DE102007027676A1 (en)
WO (1) WO2008151823A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ2018398A3 (en) 2018-08-07 2019-10-02 Vysoká Škola Báňská - Technická Univerzita Ostrava A process for preparing a catalyst to remove nitrous oxide from industrial waste gases and a catalyst prepared by this process

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0205813A2 (en) * 1985-04-22 1986-12-30 Klaus Rennebeck Catalyst, especially for cleaning exhaust gas, process and apparatus for its manufacture
WO1994027709A1 (en) * 1993-05-28 1994-12-08 Engelhard Corporation Nitrous oxide decomposition catalyst
US6413898B1 (en) * 1999-12-28 2002-07-02 Corning Incorporated Zeolite/alumina catalyst support compositions and method of making the same
EP1852174A1 (en) * 2006-05-02 2007-11-07 Argillon GmbH Extruded unsupported bulk catalyst and method for its manufacture

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3841990A1 (en) * 1988-12-14 1990-06-21 Degussa PROCESS FOR REDUCING STICK OXIDES FROM EXHAUST GASES
ATE127707T1 (en) * 1991-11-02 1995-09-15 Degussa METHOD FOR THE OXIDATIVE PURIFICATION OF EXHAUST GASES CONTAINING NITROGEN OXIDES.
DE19721440A1 (en) * 1997-05-21 1998-11-26 Degussa Process for purifying a lean exhaust gas and catalyst system therefor
CN1153619C (en) * 1999-12-29 2004-06-16 康宁股份有限公司 High strength and high surface area catalyst, catalyst support or adsorbent composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0205813A2 (en) * 1985-04-22 1986-12-30 Klaus Rennebeck Catalyst, especially for cleaning exhaust gas, process and apparatus for its manufacture
WO1994027709A1 (en) * 1993-05-28 1994-12-08 Engelhard Corporation Nitrous oxide decomposition catalyst
US6413898B1 (en) * 1999-12-28 2002-07-02 Corning Incorporated Zeolite/alumina catalyst support compositions and method of making the same
EP1852174A1 (en) * 2006-05-02 2007-11-07 Argillon GmbH Extruded unsupported bulk catalyst and method for its manufacture

Also Published As

Publication number Publication date
WO2008151823A2 (en) 2008-12-18
DE102007027676A1 (en) 2008-12-18

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