KR100916401B1 - 입자상물질 및 질소산화물 정화장치 - Google Patents
입자상물질 및 질소산화물 정화장치 Download PDFInfo
- Publication number
- KR100916401B1 KR100916401B1 KR1020070131469A KR20070131469A KR100916401B1 KR 100916401 B1 KR100916401 B1 KR 100916401B1 KR 1020070131469 A KR1020070131469 A KR 1020070131469A KR 20070131469 A KR20070131469 A KR 20070131469A KR 100916401 B1 KR100916401 B1 KR 100916401B1
- Authority
- KR
- South Korea
- Prior art keywords
- catalyst
- nox
- scr
- particulate matter
- lnt
- Prior art date
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Classifications
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- 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
- F01N3/10—Exhaust 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
- F01N3/18—Exhaust 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
- F01N3/20—Exhaust 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 ; Methods of operation or control of catalytic converters
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- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
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- 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
- F01N3/10—Exhaust 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
- F01N3/24—Exhaust 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 constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
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- 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
- F01N2330/00—Structure of catalyst support or particle filter
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- 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
- F01N2370/00—Selection of materials for exhaust purification
- F01N2370/02—Selection of materials for exhaust purification used in catalytic reactors
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- 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
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- 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
Abstract
Description
Claims (5)
- 입자상물질을 포집하고 포집한 입자상물질을 산화연소시켜 제거하는 CPF필터;상기 CPF 후단에 구비되어 NOx를 저감시키는 LNT촉매;상기 LNT촉매 바로 후단에 구비되고, LNT촉매의 NOx 정화활성 온도범위 외에서 NOx 정화활성 온도범위를 가지며, HC-SCR반응을 일으키는 성분으로 된 HC-SCR촉매;를 포함하는 장치로서, 상기 HC-SCR촉매는 다공물질로 된 지지체에 활성화금속이 1개 이상 첨가되어 구성되거나 단일 지지체만으로 구성되는 것을 특징으로 하는 입자상물질 및 질소산화물 정화 장치.
- 삭제
- 삭제
- 제1항에 있어서, 상기 HC-SCR촉매의 다공물질로 된 지지체는 제올라이트(Zeolite), 알루미나(Alumina), 또는 실리카-알루미나(Silica-alumina) 성분 중 어느 하나의 성분으로 됨을 특징으로 하는 입자상물질 및 질소산화물 정화 장치.
- 제1항에 있어서, 상기 HC-SCR촉매의 단일 지지체는 티타니아(Titania), 또는 지르코니아(Zirconia) 성분 중 어느 하나의 성분으로 됨을 특징으로 하는 입자상물질 및 질소산화물 정화 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070131469A KR100916401B1 (ko) | 2007-12-14 | 2007-12-14 | 입자상물질 및 질소산화물 정화장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070131469A KR100916401B1 (ko) | 2007-12-14 | 2007-12-14 | 입자상물질 및 질소산화물 정화장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090063934A KR20090063934A (ko) | 2009-06-18 |
KR100916401B1 true KR100916401B1 (ko) | 2009-09-07 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020070131469A KR100916401B1 (ko) | 2007-12-14 | 2007-12-14 | 입자상물질 및 질소산화물 정화장치 |
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KR (1) | KR100916401B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2485530A (en) * | 2010-11-11 | 2012-05-23 | Johnson Matthey Plc | Catalyst system |
KR101289262B1 (ko) * | 2012-02-09 | 2013-07-24 | 전남대학교산학협력단 | 일체형 촉매정화장치 |
KR101657440B1 (ko) | 2016-08-23 | 2016-09-30 | 호원대학교산학협력단 | 메탄과 질소산화물 동시 저감용 차세대 촉매정화시스템 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040060716A (ko) * | 2002-12-30 | 2004-07-06 | 사우스웨스트 리서치 인스티튜트 | 내연기관용 녹스 후처리 시스템 및 방법 |
US20060010859A1 (en) * | 2004-07-14 | 2006-01-19 | Eaton Corporation | Valveless dual leg exhaust aftertreatment system |
KR20060054423A (ko) * | 2003-08-05 | 2006-05-22 | 엥겔하드 코포레이션 | Scr 필터를 이용하는 배기 처리 시스템 및 방법 |
US20070277507A1 (en) | 2006-06-06 | 2007-12-06 | Eaton Corporation | Enhanced hybrid de-NOx system |
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2007
- 2007-12-14 KR KR1020070131469A patent/KR100916401B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040060716A (ko) * | 2002-12-30 | 2004-07-06 | 사우스웨스트 리서치 인스티튜트 | 내연기관용 녹스 후처리 시스템 및 방법 |
KR20060054423A (ko) * | 2003-08-05 | 2006-05-22 | 엥겔하드 코포레이션 | Scr 필터를 이용하는 배기 처리 시스템 및 방법 |
US20060010859A1 (en) * | 2004-07-14 | 2006-01-19 | Eaton Corporation | Valveless dual leg exhaust aftertreatment system |
US20070277507A1 (en) | 2006-06-06 | 2007-12-06 | Eaton Corporation | Enhanced hybrid de-NOx system |
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Publication number | Publication date |
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KR20090063934A (ko) | 2009-06-18 |
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