JP2014513229A - 触媒コンバータに供給される還元剤に活性化材料が添加される排気ガス後処理システム - Google Patents
触媒コンバータに供給される還元剤に活性化材料が添加される排気ガス後処理システム Download PDFInfo
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- 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
- B01D53/9431—Processes characterised by a specific device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- 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
- F01N3/2066—Selective catalytic reduction [SCR]
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- 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
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2251/00—Reactants
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- B01D2251/208—Hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2251/21—Organic compounds not provided for in groups B01D2251/206 or B01D2251/208
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
- B01D2252/202—Alcohols or their derivatives
- B01D2252/2023—Glycols, diols or their derivatives
- B01D2252/2025—Ethers or esters of alkylene glycols, e.g. ethylene or propylene carbonate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1025—Rhodium
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D2255/10—Noble metals or compounds thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2255/106—Gold
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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
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- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/01—Adding substances to exhaust gases the substance being catalytic material in liquid form
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
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- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
- F01N2610/146—Control thereof, e.g. control of injectors or injection valves
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- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
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- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
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- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
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- 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
- F01N3/2896—Liquid catalyst carrier
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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
- F01N3/36—Arrangements for supply of additional fuel
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
【選択図】図2
Description
12 触媒コンバータ装置
14 触媒材料
16 排ガス路
18 燃焼エンジン
20,20a,20b ドージングインタフェース
22 還元剤
24 排ガス
26 活性化材料
28 トリグリム
30 インジェクタ
32 ディーゼルエンジン
34 ディーゼル燃料
36 貴金属銀
38 フィードバック制御
40 車両
42 触媒
44,44a タンク
Claims (11)
- 燃焼エンジン(18)の下流の排ガス路(16)に配置された、少なくとも1つの触媒材料(14)を有する触媒コンバータ装置(12)を備え、且つ、排ガス(24)中のNOx含有量を低減するための少なくとも1つの還元剤(22)を供給するための1以上のドージングインタフェース(20,20a,20b)をさらに備えた排気ガス後処理システム(10)であって、前記1以上のドージングインタフェース(20,20a,20b)が、少なくとも1つの活性化材料(26)を排ガス(24)に供給するために配置されており、少なくとも所与の温度範囲において、前記活性化材料(26)が、前記触媒材料(14)の触媒活性を、前記活性化材料(26)が存在しない場合の前記触媒材料(14)の触媒活性と比較して増大させる、排気ガス後処理システム。
- 前記活性化材料(26)が、少なくとも1つの、好ましくはエーテルタイプの含酸素炭化水素を含み、前記含酸素炭化水素が、特には、トリグリム、ジグリム、モノグリム、ジエチルエーテル(DEE)、ジプロピルエーテルから成る群から選択されるエーテルである請求項1に記載の排気ガス後処理システム。
- 前記活性化材料(26)がインジェクタ(30)を介して注入される請求項1又は2に記載の排気ガス後処理システム。
- 前記燃焼エンジン(18)がディーゼルエンジン(32)である請求項1乃至3のいずれかに記載の排気ガス後処理システム。
- NOx還元のための前記還元剤(22)が、少なくとも1つの炭化水素、詳細は、燃料、特にはディーゼル燃料(34)を含む、請求項1乃至4のいずれかに記載の排気ガス後処理システム。
- 前記活性化材料(26)が、前記触媒材料(14)の触媒活性を、ほぼ200℃〜500℃の温度範囲における少なくとも前記排ガス(24)の温度にて増大させる請求項1乃至5のいずれかに記載の排気ガス後処理システム。
- 前記触媒コンバータ装置(12)が、少なくとも貴金属、好ましくは銀(36)を触媒材料(14)として含む請求項1乃至6のいずれかに記載の排気ガス後処理システム。
- フィードバック制御(38)が、前記排ガス(24)中のNOxの量に関連して、及び/又は、前記排ガス(24)及び/若しくは触媒(42)の温度に関連して、前記排ガス(24)に供給される還元剤(22)の量及び/又は活性化材料(26)の量の調節のために設けられている請求項1乃至7のいずれかに記載の排気ガス後処理システム。
- 少なくとも1つのドージングインタフェース(20a)が、前記燃焼エンジン(18)内部に又は前記燃焼エンジン(18)に、前記燃焼エンジン(18)の1以上のシリンダ内への還元剤(22)のポストインジェクションのために配置され、且つ/又は、少なくとも1つのドージングインタフェース(20,20b)が、前記燃焼エンジン(18)の下流にて、前記排ガス路(16)上に又は前記排ガス路(16)に配置されている、請求項1乃至8のいずれかに記載の排気ガス後処理システム。
- 排気ガス後処理システム(10)において排ガス(24)を処理するための方法であって、還元剤(22)が、燃焼エンジン(18)の排ガス(24)中のNOx含有量を低減するために提供され、少なくとも1つの活性化材料(26)が前記排ガス(24)中に、触媒コンバータ装置(12)の触媒材料(14)の触媒活性を、少なくとも所与の温度範囲において、前記活性化材料(26)が存在しない場合の前記触媒材料(14)の触媒活性と比較して増大させるために加えられる、前記方法。
- 請求項1乃至10のいずれかに記載の少なくとも1つの排気ガス後処理システム(10)を有する車両(40)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/SE2011/000052 WO2012128673A1 (en) | 2011-03-21 | 2011-03-21 | Exhaust aftertreatment system where an activator material is added to the reductant fed to the catalytic converter |
Publications (2)
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JP2014513229A true JP2014513229A (ja) | 2014-05-29 |
JP5930493B2 JP5930493B2 (ja) | 2016-06-08 |
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JP2014501032A Expired - Fee Related JP5930493B2 (ja) | 2011-03-21 | 2011-03-21 | 触媒コンバータに供給される還元剤に活性化材料が添加される排気ガス後処理システム |
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US (1) | US9181832B2 (ja) |
EP (1) | EP2689116A4 (ja) |
JP (1) | JP5930493B2 (ja) |
CN (1) | CN103459792B (ja) |
BR (1) | BR112013024321A2 (ja) |
RU (1) | RU2573547C2 (ja) |
WO (1) | WO2012128673A1 (ja) |
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CN104500185A (zh) * | 2014-12-12 | 2015-04-08 | 李可文 | 一种柴油机尾气还原剂,该还原剂的应用及制备方法 |
AT517862A1 (de) * | 2015-11-09 | 2017-05-15 | M A L Umwelttechnik - Gmbh | Verfahren zur selektiven Reduktion von Stickoxiden in heißen Gasen |
US9808763B2 (en) | 2015-12-08 | 2017-11-07 | Caterpillar Inc. | Catalyst system for lean NOx reduction with hydrocarbons |
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- 2011-03-21 CN CN201180069462.3A patent/CN103459792B/zh not_active Expired - Fee Related
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JP5930493B2 (ja) | 2016-06-08 |
CN103459792B (zh) | 2016-10-05 |
CN103459792A (zh) | 2013-12-18 |
WO2012128673A1 (en) | 2012-09-27 |
EP2689116A4 (en) | 2014-08-20 |
US9181832B2 (en) | 2015-11-10 |
BR112013024321A2 (pt) | 2017-01-17 |
US20140318102A1 (en) | 2014-10-30 |
EP2689116A1 (en) | 2014-01-29 |
RU2013146376A (ru) | 2015-04-27 |
RU2573547C2 (ru) | 2016-01-20 |
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