DE69401036D1 - Verfahren zur Entfernung von Stickstoffoxiden - Google Patents

Verfahren zur Entfernung von Stickstoffoxiden

Info

Publication number
DE69401036D1
DE69401036D1 DE69401036T DE69401036T DE69401036D1 DE 69401036 D1 DE69401036 D1 DE 69401036D1 DE 69401036 T DE69401036 T DE 69401036T DE 69401036 T DE69401036 T DE 69401036T DE 69401036 D1 DE69401036 D1 DE 69401036D1
Authority
DE
Germany
Prior art keywords
removal
nitrogen oxides
oxides
nitrogen
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 - Fee Related
Application number
DE69401036T
Other languages
English (en)
Other versions
DE69401036T2 (de
Inventor
Hiroshi Miura
Senshi Kasahara
Hidekazu Aoyama
Kazuhiko Sekizawa
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.)
Tosoh Corp
Original Assignee
Tosoh Corp
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 Tosoh Corp filed Critical Tosoh Corp
Publication of DE69401036D1 publication Critical patent/DE69401036D1/de
Application granted granted Critical
Publication of DE69401036T2 publication Critical patent/DE69401036T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • 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
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • 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
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
    • B01J29/46—Iron group metals or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/208—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/202—Alkali metals
    • B01D2255/2022—Potassium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2042—Barium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/204—Alkaline earth metals
    • B01D2255/2047—Magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20746—Cobalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE69401036T 1993-06-25 1994-06-23 Verfahren zur Entfernung von Stickstoffoxiden Expired - Fee Related DE69401036T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15511993 1993-06-25
JP20747893 1993-08-23

Publications (2)

Publication Number Publication Date
DE69401036D1 true DE69401036D1 (de) 1997-01-16
DE69401036T2 DE69401036T2 (de) 1997-04-10

Family

ID=26483202

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69401036T Expired - Fee Related DE69401036T2 (de) 1993-06-25 1994-06-23 Verfahren zur Entfernung von Stickstoffoxiden

Country Status (3)

Country Link
US (1) US5695728A (de)
EP (1) EP0630680B1 (de)
DE (1) DE69401036T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3983912B2 (ja) * 1998-01-30 2007-09-26 日本ゼオライト株式会社 アルカリイオン水製造用多孔質セラミックス、該多孔質セラミックスの製造方法及びアルカリイオン水生成器
ES2160497B1 (es) * 1999-06-17 2002-07-01 Univ Valencia Politecnica Catalizador para la eliminacion de oxidos de nitrogeno en presencia de oxigeno.
US6514470B1 (en) * 1999-10-28 2003-02-04 The Regents Of The University Of California Catalysts for lean burn engine exhaust abatement
US6319484B1 (en) 1999-12-14 2001-11-20 Engelhard Corporation Compositions for abatement of volatile organic compounds and apparatus and methods using the same
US6914026B2 (en) * 2001-09-07 2005-07-05 Engelhard Corporation Hydrothermally stable metal promoted zeolite beta for NOx reduction
US20050100494A1 (en) 2003-11-06 2005-05-12 George Yaluris Ferrierite compositions for reducing NOx emissions during fluid catalytic cracking
DE102005010221A1 (de) * 2005-03-05 2006-09-07 S&B Industrial Minerals Gmbh Verfahren zum Herstellen eines katalytisch wirkenden Minerals auf Basis eines Gerüstsilikates
EP1888231A1 (de) 2005-04-27 2008-02-20 W.R. Grace & Co.-Conn. Zusammensetzungen und verfahren zur verringerung von nox-emissionen beim katalytischen cracken in der wirbelschicht
JP5082361B2 (ja) * 2006-09-27 2012-11-28 東ソー株式会社 ＳＣＲ触媒用β型ゼオライト及びそれを用いた窒素酸化物の浄化方法
US10596518B2 (en) * 2014-01-03 2020-03-24 Basf Se Bimetal-exchanged zeolite beta from organotemplate-free synthesis and use thereof in the selective catalytic reduction of NOx
CN110366450A (zh) * 2016-12-07 2019-10-22 索尔维公司 用于废气NOx除去的包含贫Ca羟基磷灰石的铜负载型催化剂

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60125250A (ja) * 1983-12-08 1985-07-04 Shiyuuichi Kagawa 窒素酸化物の接触分解触媒及びその使用方法
JPH0611381B2 (ja) * 1986-10-17 1994-02-16 株式会社豊田中央研究所 排ガス浄化方法
US4778780A (en) * 1987-07-23 1988-10-18 Mobil Oil Corporation Synthesis of crystalline SAPO-17
DE69031052T2 (de) * 1989-04-21 1998-01-08 Asahi Optical Co Ltd Funktionelles Papier und seine Verwendung als Deodorant, Filtermedium oder Adsorptionsmittel
JP2533371B2 (ja) * 1989-05-01 1996-09-11 株式会社豊田中央研究所 排気ガス浄化用触媒
US5143707A (en) * 1991-07-24 1992-09-01 Mobil Oil Corporation Selective catalytic reduction (SCR) of nitrogen oxides
JPH0655075A (ja) * 1992-08-07 1994-03-01 Sangi Co Ltd 排気ガス浄化用触媒
US5254322A (en) * 1992-08-10 1993-10-19 Mobil Oil Corporation Method for reducing automotive NOx emissions in lean burn internal combustion engine exhaust using a transition metal-containing zeolite catalyst which is in-situ crystallized

Also Published As

Publication number Publication date
DE69401036T2 (de) 1997-04-10
EP0630680B1 (de) 1996-12-04
EP0630680A1 (de) 1994-12-28
US5695728A (en) 1997-12-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee