KR101013635B1 - 내연 기관용 배기 가스 정화 장치 - Google Patents
내연 기관용 배기 가스 정화 장치 Download PDFInfo
- Publication number
- KR101013635B1 KR101013635B1 KR1020080133323A KR20080133323A KR101013635B1 KR 101013635 B1 KR101013635 B1 KR 101013635B1 KR 1020080133323 A KR1020080133323 A KR 1020080133323A KR 20080133323 A KR20080133323 A KR 20080133323A KR 101013635 B1 KR101013635 B1 KR 101013635B1
- Authority
- KR
- South Korea
- Prior art keywords
- exhaust gas
- internal combustion
- combustion engine
- gas purification
- adsorption layer
- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0835—Hydrocarbons
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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
- F01N3/101—Three-way catalysts
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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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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
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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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
-
- 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
- F01N2570/12—Hydrocarbons
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (7)
- 내연 기관의 배기 통로에 제공되는, 내연 기관용 배기 가스 정화 장치이며,담체와,상기 담체 상에 담지되고 미연소 연료를 흡착하도록 구성되는 HC 흡착층과,상기 HC 흡착층의 표면에 담지되고 미연소 연료를 산화 제거하도록 구성되는 3원 촉매층을 포함하고,상기 HC 흡착층은 그 각각이 중공 공간을 갖고 적층되는 미립자 형상의 HC 흡착체를 포함하는 내연 기관용 배기 가스 정화 장치.
- 제1항에 있어서, 상기 각각의 HC 흡착체는 중공 공간과 외부를 연통하는 개구부를 포함하고,상기 각각의 HC 흡착체의 내경 및 상기 개구부의 개구 직경은 배기 가스 중의 미연소 연료의 분자 직경보다 큰 내연 기관용 배기 가스 정화 장치.
- 제2항에 있어서, 상기 개구부의 개구 직경이 3 ㎚ 내지 100 ㎚인 내연 기관용 배기 가스 정화 장치.
- 제1항에 있어서, 상기 각각의 HC 흡착체는 귀금속 촉매를 담지하는 내연 기관용 배기 가스 정화 장치.
- 제1항에 있어서, 상기 각각의 HC 흡착체는 80 % 내지 95 %의 중공률을 갖는 내연 기관용 배기 가스 정화 장치.
- 제1항에 있어서, 상기 각각의 HC 흡착체는 제올라이트로 구성되는 내연 기관용 배기 가스 정화 장치.
- 제1항에 있어서, 상기 각각의 HC 흡착체는 200 ㎡/g을 초과하는 비표면적을 갖는 내연 기관용 배기 가스 정화 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080133323A KR101013635B1 (ko) | 2008-03-27 | 2008-12-24 | 내연 기관용 배기 가스 정화 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2008-083406 | 2008-03-27 | ||
KR1020080133323A KR101013635B1 (ko) | 2008-03-27 | 2008-12-24 | 내연 기관용 배기 가스 정화 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090103687A KR20090103687A (ko) | 2009-10-01 |
KR101013635B1 true KR101013635B1 (ko) | 2011-02-10 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020080133323A KR101013635B1 (ko) | 2008-03-27 | 2008-12-24 | 내연 기관용 배기 가스 정화 장치 |
Country Status (1)
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KR (1) | KR101013635B1 (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0938485A (ja) * | 1995-07-31 | 1997-02-10 | Mazda Motor Corp | 排気ガス浄化装置用hc吸着剤およびその製造方法 |
JP2001113173A (ja) | 1999-08-06 | 2001-04-24 | Nissan Motor Co Ltd | 排気ガス浄化用触媒及びその製造方法 |
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2008
- 2008-12-24 KR KR1020080133323A patent/KR101013635B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0938485A (ja) * | 1995-07-31 | 1997-02-10 | Mazda Motor Corp | 排気ガス浄化装置用hc吸着剤およびその製造方法 |
JP2001113173A (ja) | 1999-08-06 | 2001-04-24 | Nissan Motor Co Ltd | 排気ガス浄化用触媒及びその製造方法 |
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KR20090103687A (ko) | 2009-10-01 |
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