KR910019669A - 배기 가스로부터 산화질소를 제거하는 방법 - Google Patents

배기 가스로부터 산화질소를 제거하는 방법 Download PDF

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KR910019669A
KR910019669A KR1019910008697A KR910008697A KR910019669A KR 910019669 A KR910019669 A KR 910019669A KR 1019910008697 A KR1019910008697 A KR 1019910008697A KR 910008697 A KR910008697 A KR 910008697A KR 910019669 A KR910019669 A KR 910019669A
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metal oxide
alumina
silica
zeolite
oxide
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KR1019910008697A
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KR100201748B1 (ko
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요시아키 킨타이치
히데아키 하마다
디케히코 이토
모토이 사사키
미쓰노리 타바타
카즈시 우스이
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스기우라 사토시
고교 가즈츠엔
원본미기재
가부시키가이샤 코스모 소우코우 겐큐쇼
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Priority claimed from JP2204103A external-priority patent/JP2595370B2/ja
Priority claimed from JP2204102A external-priority patent/JPH0490826A/ja
Priority claimed from JP2204104A external-priority patent/JPH04118030A/ja
Application filed by 스기우라 사토시, 고교 가즈츠엔, 원본미기재, 가부시키가이샤 코스모 소우코우 겐큐쇼 filed Critical 스기우라 사토시
Publication of KR910019669A publication Critical patent/KR910019669A/ko
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    • 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
    • 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
    • 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
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/21—Organic compounds not provided for in groups B01D2251/206 or B01D2251/208
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1023—Palladium
    • 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
    • B01D2255/2027—Sodium
    • 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
    • B01D2255/20707—Titanium
    • 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
    • B01D2255/20715—Zirconium
    • 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
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
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    • B01D2255/207—Transition metals
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
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    • B01D2255/209—Other metals
    • B01D2255/2092—Aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B01D2255/504—ZSM 5 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
    • B01D2255/91—NOx-storage component incorporated in the catalyst
    • 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
    • B01D2255/9207—Specific surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/012—Diesel engines and lean burn gasoline engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
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    • Y02C20/20—Capture or disposal of greenhouse gases of methane

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  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

내용 없음

Description

배기 가스로부터 산화질소를 제거하는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (18)

  1. 산화질소를 함유하는 배기 가스를, 과량의 산소를 함유하는 산화 대기중에서 탄화수소 또는 산소함유 화합물 존재하에 양성자형 제올라이트, 알칼리 금속으로 교환된 형태의 제올라이트 및 산성의 산화금속으로 이루어지는 그룹으로부터 선택된 하나이상의 촉매와 접촉시킴을 특징으로 하여, 배기가스로 부터 산화질소를 제거하는 방법.
  2. 제1항에 있어서, 산화질소를 함유하는 배기가스를 산화촉매와 추가로 접촉시키는 방법.
  3. 제1항 또는 제2항에 있어서, 양성자형 제올라이트 또는 알칼리 금속으로 교환된 형태의 제올라이트가 펜타실형 제올라이트, 모오데나이트, 제올라이트Y, 제올라이트X, 제올라이트L 또는 실리칼라이트인 방법.
  4. 제1항 또는 제2항에 있어서, 산성 산화금속이 알루미나, 산화티타늄, 산화지르코늄, 실리카-알루미나, 실리카-마그네시아, 실리카-지르코니아 또는 알루미나-티티니아인 방법.
  5. 제1항 또는 제2항에 있어서, 산화금속을 황산염 그룹이 있는 화합물로 처리하여 산성 산화금속을 수득하는 방법.
  6. 제5항에 있어서, 산화금속이 알루미나, 산화티타늄, 산화지르코늄, 실리카-알루미나, 실리카-마그네시아, 실리카-지르코니아 또는 알루미나-티티니아인 방법.
  7. 제3항에 있어서, 황산여 그룹이 있는 화합물이 황산 또는 황산암모늄인 방법.
  8. 제5항에 있어서, 산화금속을 0.01내지 10㏖/ℓ의 농도에서 처리될 산화금속 중량의 5 내지 20배 중량의 황산과 접촉시킴으로써 산화금속을 황산염 그룹이 있는 화합물로 처리하는 방법.
  9. 제5항에 있어서, 산성 산화금속을 황산염 그룹이 있는 화합물로 처리하고 산성 산화금속을 300내지 800℃의 온도에서 공기중에 하소시키는 방법.
  10. 제2항에 있어서, 산화 촉매가 귀금속, 비금속 또는 회타탄속 결정 구조가 있는 물질을 그안에 지니는 다공성 담체로 이루어지는 방법.
  11. 제10항에 있어서, 귀금속이 백금, 팔라듐, 로듐, 루테늄 또는 이리듐이고, 비금속이 란타늄, 세륨, 구리 또는 철이고, 회티탄석 결정 구조가 있는 물질이 삼산화 코발트 란티늄 또는 삼산화철 란타늄 또는 삼산화 코발트 스트론튬인 방법.
  12. 제1항 또는 제2항에 있어서, 촉매적 환원을 수행하기 위해 필요한 이론적 양의 20 내지 2.000%과량인 탄화수소 또는 산소-함유 화합물 존재하에 수행하는 방법.
  13. 제12항에 있어서, 타나화수소가 기체 또는 액체 형태인 방법.
  14. 제13항에 있어서, 탄화수소가 기체 형태이면 메탄, 에탄, 프로판, 부탄, 에틸렌, 프로판렌 또는 부틸렌인 방법.
  15. 제13항에 있어서, 탄화수소가 액체 형태이며 가솔린, 케로센, 가스 오일 또는 중유인 방법.
  16. 제12항에 있어서, 산소 함유 화합물이 알코올, 에테르, 에스테르 또는 케톤인 방법.
  17. 제1항 또는 제2항에 있어서, 반응온도가 200 내지 800℃인 방법.
  18. 제1항 또는 제2항에 있어서, 500 내지 100,000/hr의 공간 속도로 배기가스를 촉매의 층에 공급하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910008697A 1990-05-28 1991-05-28 배기가스로부터 질소산화물을 제거하는 방법 KR100201748B1 (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP?(?)2-139340 1990-05-28
JP13934090 1990-05-28
JP2-139340 1990-05-28
JP?(?)2-204103? 1990-08-01
JP?(?)2-204102? 1990-08-01
JP2204103A JP2595370B2 (ja) 1990-08-01 1990-08-01 窒素酸化物含有排ガスの浄化方法
JP?(?)2-204104? 1990-08-01
JP2204102A JPH0490826A (ja) 1990-08-01 1990-08-01 排ガス浄化方法
JP2204104A JPH04118030A (ja) 1990-05-28 1990-08-01 窒素酸化物の除去方法

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KR910019669A true KR910019669A (ko) 1991-12-19
KR100201748B1 KR100201748B1 (ko) 1999-06-15

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Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5752360A (en) * 1988-09-26 1998-05-19 Southpac Trust International, Inc. Method for wrapping a flower pot with a sheet material constructed of paper and having a pattern embossed thereon
US5534237A (en) * 1991-07-23 1996-07-09 Kubushiki Kaisha Riken Method of cleaning an exhaust gas and exhaust gas cleaner therefor
US5804155A (en) * 1992-11-19 1998-09-08 Engelhard Corporation Basic zeolites as hydrocarbon traps for diesel oxidation catalysts
EP0604987B1 (en) * 1992-12-28 2002-06-19 National Institute of Advanced Industrial Science and Technology Removal of nitrogen oxide from exhaust gas
EP0605251A1 (en) * 1992-12-28 1994-07-06 Kabushiki Kaisha Riken Exhaust gas cleaner
US5552128A (en) * 1993-08-03 1996-09-03 Mobil Oil Corporation Selective catalytic reduction of nitrogen oxides
EP0691459B1 (en) * 1994-07-05 1998-11-11 Ford Motor Company Limited A catalyst system
JPH0884911A (ja) * 1994-09-14 1996-04-02 I C T:Kk 窒素酸化物分解用触媒およびこれを用いたディーゼルエンジン排ガスの浄化方法
DE4445945C1 (de) * 1994-12-22 1996-08-14 Daimler Benz Ag Verfahren zur Reduktion von Stickoxiden und Katalysator
EP0730900A1 (en) * 1995-03-09 1996-09-11 N.E. Chemcat Corporation Method of purifying exhaust gas from internal combustion engine
US6038854A (en) * 1996-08-19 2000-03-21 The Regents Of The University Of California Plasma regenerated particulate trap and NOx reduction system
US5711147A (en) * 1996-08-19 1998-01-27 The Regents Of The University Of California Plasma-assisted catalytic reduction system
US6038853A (en) 1996-08-19 2000-03-21 The Regents Of The University Of California Plasma-assisted catalytic storage reduction system
JP3479980B2 (ja) * 1997-04-23 2003-12-15 トヨタ自動車株式会社 排ガス浄化方法及び排ガス浄化用触媒
US6569391B1 (en) * 1998-02-17 2003-05-27 Ingesol Ltda. Heap leaching copper ore using sodium nitrate
US6261989B1 (en) * 1999-05-19 2001-07-17 Daihatsu Motor Co., Ltd. Catalytic converter for cleaning exhaust gas
AU2001280939A1 (en) * 2000-08-01 2002-02-13 Clean Diesel Technologies, Inc. Low-emissions diesel fuel blend
CN1439450A (zh) * 2002-02-22 2003-09-03 梁博杰 以触媒降低氮氧化物的方法及其系统
WO2003082463A1 (fr) * 2002-03-28 2003-10-09 Hitachi Zosen Corporation Catalyseur de denitrification a haute temperature et procede de preparation associe
JP3994862B2 (ja) * 2002-06-17 2007-10-24 住友金属鉱山株式会社 排ガス浄化触媒及び浄化方法
US7498009B2 (en) * 2004-08-16 2009-03-03 Dana Uv, Inc. Controlled spectrum ultraviolet radiation pollution control process
US7488462B2 (en) * 2005-04-26 2009-02-10 The Ohio State University Multi-stage catalyst systems and uses thereof
EP2161070B1 (en) * 2008-09-04 2013-11-27 Haldor Topsoe A/S Process and catalyst system for NOx reduction
WO2010084930A1 (ja) * 2009-01-22 2010-07-29 三菱化学株式会社 窒素酸化物浄化用触媒及びその製造方法
WO2012108060A1 (en) * 2011-02-07 2012-08-16 Toyota Jidosha Kabushiki Kaisha NOx PURIFICATION CATALYST
US9194266B2 (en) 2012-07-27 2015-11-24 Caterpillar Inc. Exhaust system
US8535627B1 (en) * 2012-12-12 2013-09-17 Southwest Research Institute Ketone/water mixtures for NOx removal

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741725A (en) * 1971-08-12 1973-06-26 J Graham Catalytic control of auto exhaust emissions
JPS5122666A (en) * 1974-08-21 1976-02-23 Mitsubishi Heavy Ind Ltd Haigasuchuno chitsusosankabutsuno jokyoho
US4051072A (en) * 1976-04-05 1977-09-27 General Motors Corporation Method for making pellet type catalyst
US4157375A (en) * 1977-12-02 1979-06-05 Engelhard Minerals & Chemicals Corporation Conversion of nitrogen oxides
DE3326639A1 (de) * 1983-07-23 1985-01-31 Hoechst Ag, 6230 Frankfurt Verfahren zur verminderung des stickstoffdioxidgehaltes von gasgemischen
JPS62132725A (ja) * 1985-12-04 1987-06-16 Toyo Soda Mfg Co Ltd 水素イオン交換型脱アルミニウムモルデナイトの製造方法
DE3544998C2 (de) * 1985-12-19 1996-08-01 Krupp Koppers Gmbh Verfahren zur Minderung des NO¶x¶-Gehaltes von Abgasen
DE3642018A1 (de) * 1985-12-21 1987-06-25 Volkswagen Ag Verfahren und vorrichtung zur reduktion von stickoxiden
DE3634243A1 (de) * 1986-10-08 1988-04-21 Kali Chemie Ag Zeolith-katalysator und verfahren zur katalytischen reduktion von stickoxiden
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
DE3701984A1 (de) * 1987-01-23 1988-08-04 Siemens Ag Verfahren zur herstellung von katalysatoren aus titanoxid
JPS63198712A (ja) * 1987-02-13 1988-08-17 Hino Motors Ltd デイ−ゼルエンジンの窒素酸化物除去方法
DE3713169A1 (de) * 1987-04-17 1988-11-03 Bayer Ag Verfahren und vorrichtung zur reduktion von stickoxiden
US5010051A (en) * 1989-11-08 1991-04-23 Engelhard Corporation Staged three-way conversion catalyst and method of using the same
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
US5208205A (en) * 1991-10-07 1993-05-04 Ford Motor Company Catalyst system for converting emissions of a lean-burn engine

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US5336476A (en) 1994-08-09

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