AU2156000A - Liquid urea exhaust gas treatment additive - Google Patents

Liquid urea exhaust gas treatment additive

Info

Publication number
AU2156000A
AU2156000A AU21560/00A AU2156000A AU2156000A AU 2156000 A AU2156000 A AU 2156000A AU 21560/00 A AU21560/00 A AU 21560/00A AU 2156000 A AU2156000 A AU 2156000A AU 2156000 A AU2156000 A AU 2156000A
Authority
AU
Australia
Prior art keywords
exhaust gas
gas treatment
treatment additive
liquid urea
urea exhaust
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU21560/00A
Other languages
English (en)
Inventor
Richard W. Grosser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil Corp
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 Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of AU2156000A publication Critical patent/AU2156000A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • B01D53/92—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
    • 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
    • B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
    • B01J12/007—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor in the presence of catalytically active bodies, e.g. porous plates
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00—Preventing emissions
    • F23J2215/10—Nitrogen; Compounds thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2219/00—Treatment devices
    • F23J2219/10—Catalytic reduction devices
    • 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
AU21560/00A 1998-11-23 1999-11-23 Liquid urea exhaust gas treatment additive Abandoned AU2156000A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10942898P 1998-11-23 1998-11-23
US60109428 1998-11-23
PCT/US1999/027819 WO2000030733A1 (fr) 1998-11-23 1999-11-23 Additif de traitement de gaz d'echappement liquide a base d'uree

Publications (1)

Publication Number Publication Date
AU2156000A true AU2156000A (en) 2000-06-13

Family

ID=22327595

Family Applications (1)

Application Number Title Priority Date Filing Date
AU21560/00A Abandoned AU2156000A (en) 1998-11-23 1999-11-23 Liquid urea exhaust gas treatment additive

Country Status (4)

Country Link
EP (1) EP1140327A4 (fr)
JP (1) JP2002530575A (fr)
AU (1) AU2156000A (fr)
WO (1) WO2000030733A1 (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10154421A1 (de) * 2001-11-06 2003-05-22 Bosch Gmbh Robert Verfahren und Vorrichtung zur Verminderung von Stickoxiden eines Abgases
DE10237165B4 (de) * 2002-08-14 2015-05-13 Robert Bosch Gmbh Vorrichtung und Verfahren zur Abgasbehandlung einer Verbrennungseinrichtung sowie deren Verwendung
DE10251588A1 (de) 2002-11-06 2004-05-19 Robert Bosch Gmbh Vorrichtung zur Nachbehandlung des Abgases einer Brennkraftmaschine
JP4401669B2 (ja) * 2003-03-27 2010-01-20 三菱ふそうトラック・バス株式会社 還元脱硝用尿素水およびそれを用いた脱硝装置
JP5243705B2 (ja) * 2006-08-24 2013-07-24 三井化学株式会社 内燃機関排気処理用ＮＯｘ還元剤
DE102006047019A1 (de) 2006-10-02 2008-04-03 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren und Vorrichtung zur Bereitstellung eines ein Reduktionsmittel umfassenden Gasstroms
JP2009035644A (ja) * 2007-08-02 2009-02-19 Denso Corp 尿素ｓｃｒシステム用不凍尿素溶液および尿素ｓｃｒシステム
BRPI0920383B1 (pt) 2008-10-14 2019-12-17 Yara Int Asa método para minimizar o diâmetro de uma solução de uréia, solução de uréia e uso de um tensoativo em solução de uréia
CN102397749A (zh) * 2010-09-11 2012-04-04 中国第一汽车集团公司 一种具有改善雾化效果的尿素还原剂的组合物
KR101589078B1 (ko) * 2013-08-30 2016-01-27 이광춘 요소수의 동결방지용 첨가제의 제조방법 및 이에 의해 제조된 요소수의 동결방지용 첨가제
CN106659961B (zh) 2014-07-25 2021-07-20 安宾特营养食品有限责任公司 用于表面电荷改变的方法
JP6655414B2 (ja) * 2016-02-15 2020-02-26 株式会社デンソー 排気浄化システム
FR3059417B1 (fr) * 2016-11-30 2020-11-06 Plastic Omnium Advanced Innovation & Res Methode d'estimation d'un volume decongele present sous forme liquide dans un reservoir.
CN108261922A (zh) * 2018-04-09 2018-07-10 薛向东 一种耐低温车用尿素溶液的制备方法
CN109078497A (zh) * 2018-08-22 2018-12-25 长春盛恒环保科技有限公司 一种汽车尾气净化处理液及其制备方法
CN110743313A (zh) * 2019-10-29 2020-02-04 中国华能集团有限公司 一种烟气低温吸附脱硝方法
FR3108607A1 (fr) * 2020-03-30 2021-10-01 Total Marketing Services Composition pour la dépollution des gaz d’échappement issus des moteurs thermiques
CN113877391B (zh) * 2020-07-01 2023-12-29 中冶长天国际工程有限责任公司 一种烟气选择性非催化还原脱硝的复合添加剂及其制备方法和用途
US11732628B1 (en) 2020-08-12 2023-08-22 Old World Industries, Llc Diesel exhaust fluid
CN112879130A (zh) * 2021-03-29 2021-06-01 长春盛恒环保科技有限公司 一种新型汽车尾气净化处理液及其制备方法
CN113385013B (zh) * 2021-06-28 2022-09-30 北京工业大学 一种利用气态有机物作为sncr添加剂进行烟气脱硝的方法
KR20240036811A (ko) 2022-09-14 2024-03-21 한국화학연구원 암모늄포메이트, 암모늄아세테이트 또는 이들의 혼합물을 포함하는 NOx 환원제, 이를 포함하는 배기 가스 정화 장치 및 이를 이용한 NOx를 저감하는 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325924A (en) * 1977-10-25 1982-04-20 Electric Power Research Institute, Inc. Urea reduction of NOx in fuel rich combustion effluents
US4626417A (en) * 1983-09-29 1986-12-02 Union Oil Company Of California Methods for chemically reducing nitrogen oxides
US4780289A (en) * 1987-05-14 1988-10-25 Fuel Tech, Inc. Process for nitrogen oxides reduction and minimization of the production of other pollutants
US5976475A (en) * 1997-04-02 1999-11-02 Clean Diesel Technologies, Inc. Reducing NOx emissions from an engine by temperature-controlled urea injection for selective catalytic reduction

Also Published As

Publication number Publication date
WO2000030733A1 (fr) 2000-06-02
EP1140327A1 (fr) 2001-10-10
EP1140327A4 (fr) 2001-10-10
JP2002530575A (ja) 2002-09-17

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase