WO2008117829A1 - 排ガス浄化装置 - Google Patents

排ガス浄化装置 Download PDF

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Publication number
WO2008117829A1
WO2008117829A1 PCT/JP2008/055732 JP2008055732W WO2008117829A1 WO 2008117829 A1 WO2008117829 A1 WO 2008117829A1 JP 2008055732 W JP2008055732 W JP 2008055732W WO 2008117829 A1 WO2008117829 A1 WO 2008117829A1
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WO
WIPO (PCT)
Prior art keywords
absorbing system
nox
water
exhaust gas
absorbing
Prior art date
Application number
PCT/JP2008/055732
Other languages
English (en)
French (fr)
Inventor
Takaaki Kanazawa
Keisuke Sano
Kazuhiro Wakao
Kimikazu Yoda
Takaaki Itou
Original Assignee
Toyota Jidosha Kabushiki Kaisha
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 Toyota Jidosha Kabushiki Kaisha filed Critical Toyota Jidosha Kabushiki Kaisha
Priority to KR1020097019218A priority Critical patent/KR101233524B1/ko
Priority to CN2008800098873A priority patent/CN101641144B/zh
Priority to US12/531,890 priority patent/US8257471B2/en
Priority to EP08738920.1A priority patent/EP2130578B1/en
Publication of WO2008117829A1 publication Critical patent/WO2008117829A1/ja

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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
    • B01D53/26—Drying gases or vapours
    • B01D53/28—Selection of materials for use as drying agents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • 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
    • B01D53/02—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 by adsorption, e.g. preparative gas chromatography
    • 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
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • 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
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • 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
    • B01D53/81—Solid phase processes
    • 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
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/16—Alumino-silicates
    • B01J20/18—Synthetic zeolitic molecular sieves
    • B01J20/186—Chemical treatments in view of modifying the properties of the sieve, e.g. increasing the stability or the activity, also decreasing the activity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • 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
    • 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
    • B01D2255/91—NOx-storage component incorporated in the catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14—Nitrogen oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/22—Water or humidity
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treating Waste Gases (AREA)

Abstract

 Ｙ型ゼオライトよりなる水分吸着装置１と、水分吸着装置１の排ガス下流側に配置され陽イオン交換サイトに遷移金属イオンを含むゼオライトよりなるNOｘ 吸着装置２と、を含む。NOｘ吸着装置は、排ガス中の水分量が少ないほどNOｘ 吸着能が向上するので、Al２O３ 分が多く他のゼオライトに比べて水分の吸着量が多いＹ型ゼオライトよりなる水分吸着装置との組み合わせによって、低温域のNOｘ 吸着能が特に向上する。
PCT/JP2008/055732 2007-03-26 2008-03-26 排ガス浄化装置 WO2008117829A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020097019218A KR101233524B1 (ko) 2007-03-26 2008-03-26 배기 가스 흡착 장치
CN2008800098873A CN101641144B (zh) 2007-03-26 2008-03-26 排气净化装置
US12/531,890 US8257471B2 (en) 2007-03-26 2008-03-26 Exhaust-gas converting apparatus
EP08738920.1A EP2130578B1 (en) 2007-03-26 2008-03-26 Exhaust gas adsorbing apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007079710A JP5141063B2 (ja) 2007-03-26 2007-03-26 排ガス浄化装置
JP2007-079710 2007-03-26

Publications (1)

Publication Number Publication Date
WO2008117829A1 true WO2008117829A1 (ja) 2008-10-02

Family

ID=39788562

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/055732 WO2008117829A1 (ja) 2007-03-26 2008-03-26 排ガス浄化装置

Country Status (6)

Country Link
US (1) US8257471B2 (ja)
EP (1) EP2130578B1 (ja)
JP (1) JP5141063B2 (ja)
KR (1) KR101233524B1 (ja)
CN (1) CN101641144B (ja)
WO (1) WO2008117829A1 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012116488A (ja) * 2010-11-29 2012-06-21 Union Showa Kk 吸水性包装材料、その製造方法及び再生方法
EP2676719A4 (en) 2011-02-14 2015-01-14 Toyota Motor Co Ltd EXHAUST GAS CONVERTING APPARATUS FOR INTERNAL COMBUSTION ENGINE
EP2676718B1 (en) 2011-02-18 2017-09-27 Toyota Jidosha Kabushiki Kaisha Exhaust conversion apparatus for internal combustion engine
CN102350186B (zh) * 2011-07-18 2014-04-09 唐山远腾自动化设备有限公司 防潮保压干燥剂在潮湿或水下环境中密封良好的仪器仪表中的应用
DE102012022941B4 (de) * 2012-11-24 2024-05-29 Daimler Truck AG Abgasnachbehandlungssystem für eine Brennkraftmaschine, Verfahren zum Betreiben eines Abgasnachbehandlungssystems und Kraftfahrzeug
DE102013018920A1 (de) * 2013-11-13 2015-05-13 Man Truck & Bus Ag Abgasnachbehandlungsvorrichtung für eine Brennkraftmaschine und Verfahren zum Aufheizen einer Abgasnachbehandlungsvorrichtung
US10767540B2 (en) 2015-06-03 2020-09-08 Volvo Truck Corporation Exhaust gas treatment apparatus
CN105032163A (zh) 2015-07-02 2015-11-11 黄立维 一种从气流中去除氮氧化物和二氧化硫的方法及其装置
BE1023302B1 (nl) 2015-07-23 2017-01-26 Atlas Copco Airpower Naamloze Vennootschap Werkwijze voor het vervaardigen van een adsorptiemiddel voor het behandelen van samengeperst gas, adsorptiemiddel verkregen met zulke werkwijze en adsorptie-inrichting voorzien van zulk adsorptiemiddel
DK3785787T3 (da) 2015-08-31 2024-02-12 Atlas Copco Airpower Nv Adsorptionsindretning til komprimeret gas.
CN105649716A (zh) * 2015-12-20 2016-06-08 黔东南州龙达再生能源开发有限责任公司 汽车尾气过滤装置
US11802502B1 (en) * 2023-01-30 2023-10-31 GM Global Technology Operations LLC Hydrocarbon adsorption and desorption control in vehicle exhaust systems using H2O traps

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US5520895A (en) * 1994-07-07 1996-05-28 Mobil Oil Corporation Method for the reduction of nitrogen oxides using iron impregnated zeolites
JPH1077831A (ja) * 1996-09-05 1998-03-24 Mitsubishi Motors Corp エンジンの排ガス浄化装置
JP2000312827A (ja) 1999-04-28 2000-11-14 Toyota Central Res & Dev Lab Inc 排ガス浄化触媒
JP2002321912A (ja) * 2001-04-23 2002-11-08 Mitsubishi Electric Corp 吸着用ゼオライトおよびそれを用いたガス除去装置
JP2002349247A (ja) * 2001-03-21 2002-12-04 Nissan Motor Co Ltd 内燃機関の排気浄化装置
JP2006027938A (ja) * 2004-07-14 2006-02-02 Nichias Corp ホージャサイト型ゼオライト及びそれを用いる除湿用部材並びにその製造方法

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JPH0615016B2 (ja) * 1988-09-09 1994-03-02 トヨタ自動車株式会社 自動車排気ガス浄化装置
JPH08299756A (ja) 1995-05-01 1996-11-19 Mitsubishi Heavy Ind Ltd 低濃度窒素酸化物の除去方法
JP3417309B2 (ja) 1997-10-28 2003-06-16 トヨタ自動車株式会社 炭化水素吸着材
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JP2001120951A (ja) 1999-10-28 2001-05-08 Mitsubishi Electric Corp 窒素酸化物の除去方法及び除去装置
DE10001541B4 (de) * 2000-01-14 2005-04-28 Uhde Gmbh Verfahren zur Beseitigung von NOx und N¶2¶O aus dem Restgas der Salpetersäureproduktion
CN1711135A (zh) * 2002-11-18 2005-12-21 株式会社Ict 废气净化用催化剂与废气净化方法
JP4745968B2 (ja) * 2004-07-29 2011-08-10 エヌ・イーケムキャット株式会社 低温特性に優れる脱硝触媒

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5520895A (en) * 1994-07-07 1996-05-28 Mobil Oil Corporation Method for the reduction of nitrogen oxides using iron impregnated zeolites
JPH1077831A (ja) * 1996-09-05 1998-03-24 Mitsubishi Motors Corp エンジンの排ガス浄化装置
JP2000312827A (ja) 1999-04-28 2000-11-14 Toyota Central Res & Dev Lab Inc 排ガス浄化触媒
JP2002349247A (ja) * 2001-03-21 2002-12-04 Nissan Motor Co Ltd 内燃機関の排気浄化装置
JP3636116B2 (ja) 2001-03-21 2005-04-06 日産自動車株式会社 内燃機関の排気浄化装置
JP2002321912A (ja) * 2001-04-23 2002-11-08 Mitsubishi Electric Corp 吸着用ゼオライトおよびそれを用いたガス除去装置
JP2006027938A (ja) * 2004-07-14 2006-02-02 Nichias Corp ホージャサイト型ゼオライト及びそれを用いる除湿用部材並びにその製造方法

Also Published As

Publication number Publication date
US8257471B2 (en) 2012-09-04
CN101641144A (zh) 2010-02-03
CN101641144B (zh) 2013-03-13
EP2130578A4 (en) 2011-04-06
JP5141063B2 (ja) 2013-02-13
US20100101421A1 (en) 2010-04-29
EP2130578B1 (en) 2013-10-30
KR20090115869A (ko) 2009-11-09
JP2008240568A (ja) 2008-10-09
KR101233524B1 (ko) 2013-02-14
EP2130578A1 (en) 2009-12-09

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