KR100604131B1 - Nh3의 조절된 첨가에 의해 배기가스내 질소산화물의함량을 감소시키는 방법 및 장치 - Google Patents

Nh3의 조절된 첨가에 의해 배기가스내 질소산화물의함량을 감소시키는 방법 및 장치 Download PDF

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KR100604131B1
KR100604131B1 KR1020007012033A KR20007012033A KR100604131B1 KR 100604131 B1 KR100604131 B1 KR 100604131B1 KR 1020007012033 A KR1020007012033 A KR 1020007012033A KR 20007012033 A KR20007012033 A KR 20007012033A KR 100604131 B1 KR100604131 B1 KR 100604131B1
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ammonia
catalyst
nox
temperature
preset temperature
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KR20010043138A (ko
Inventor
챈들러구이리차드
라자람라이라크
고에르스만클라우스프리드리히
셀프발레리앤
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존슨 맛쎄이 퍼블릭 리미티드 컴파니
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495Controlling the catalytic process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404Removing only nitrogen compounds
    • B01D53/9409Nitrogen oxides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
    • F01N3/206Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066Selective catalytic reduction [SCR]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2570/00Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/18Ammonia
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2610/00Adding substances to exhaust gases
    • F01N2610/02Adding substances to exhaust gases the substance being ammonia or urea
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
KR1020007012033A 1998-04-28 1999-04-20 Nh3의 조절된 첨가에 의해 배기가스내 질소산화물의함량을 감소시키는 방법 및 장치 Expired - Fee Related KR100604131B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9808876.8 1998-04-28
GBGB9808876.8A GB9808876D0 (en) 1998-04-28 1998-04-28 Combatting air pollution

Publications (2)

Publication Number Publication Date
KR20010043138A KR20010043138A (ko) 2001-05-25
KR100604131B1 true KR100604131B1 (ko) 2006-07-25

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KR1020007012033A Expired - Fee Related KR100604131B1 (ko) 1998-04-28 1999-04-20 Nh3의 조절된 첨가에 의해 배기가스내 질소산화물의함량을 감소시키는 방법 및 장치

Country Status (12)

Country Link
US (1) US6713030B1 (enExample)
EP (1) EP1083979B1 (enExample)
JP (1) JP4357742B2 (enExample)
KR (1) KR100604131B1 (enExample)
CN (1) CN1201854C (enExample)
AU (1) AU741813B2 (enExample)
CA (1) CA2329994C (enExample)
DE (1) DE69918435T2 (enExample)
GB (1) GB9808876D0 (enExample)
PL (1) PL343689A1 (enExample)
TW (1) TW469163B (enExample)
WO (1) WO1999055446A1 (enExample)

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US6928359B2 (en) 2001-08-09 2005-08-09 Ford Global Technologies, Llc High efficiency conversion of nitrogen oxides in an exhaust aftertreatment device at low temperature
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US7117669B2 (en) * 2004-05-05 2006-10-10 Eaton Corporation Temperature swing adsorption and selective catalytic reduction NOx removal system
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JP4267535B2 (ja) 2004-07-23 2009-05-27 日野自動車株式会社 排気浄化装置のNOx低減率測定方法
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CA2329994C (en) 2007-07-10
JP4357742B2 (ja) 2009-11-04
KR20010043138A (ko) 2001-05-25
EP1083979B1 (en) 2004-06-30
GB9808876D0 (en) 1998-06-24
PL343689A1 (en) 2001-08-27
WO1999055446A1 (en) 1999-11-04
JP2002513110A (ja) 2002-05-08
TW469163B (en) 2001-12-21
CN1306455A (zh) 2001-08-01
DE69918435T2 (de) 2005-08-18
CA2329994A1 (en) 1999-11-04
EP1083979A1 (en) 2001-03-21
US6713030B1 (en) 2004-03-30
DE69918435D1 (de) 2004-08-05
AU3616499A (en) 1999-11-16
CN1201854C (zh) 2005-05-18
AU741813B2 (en) 2001-12-13

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