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WO2000050743A8 - Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of a fuel - Google Patents

Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of a fuel

Info

Publication number
WO2000050743A8
WO2000050743A8 PCT/US2000/004783 US0004783W WO0050743A8 WO 2000050743 A8 WO2000050743 A8 WO 2000050743A8 US 0004783 W US0004783 W US 0004783W WO 0050743 A8 WO0050743 A8 WO 0050743A8
Authority
WO
WIPO (PCT)
Prior art keywords
radicals
exhaust
stream
gas stream
combustion
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.)
Ceased
Application number
PCT/US2000/004783
Other languages
French (fr)
Other versions
WO2000050743A9 (en
WO2000050743A1 (en
Inventor
Robert P Caren
Jack A Ekchian
Tony Dekelaita
Ray Hallenbeck
Victor J Nowak
John Pietrasik
Greg Roth
Jeff Taus
Mike Tyle
Josef Yampolsky
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.)
Litex Inc
Original Assignee
Litex Inc
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 Litex Inc filed Critical Litex Inc
Priority to AU35023/00A priority Critical patent/AU3502300A/en
Priority to EP00913608A priority patent/EP1157196A4/en
Publication of WO2000050743A1 publication Critical patent/WO2000050743A1/en
Publication of WO2000050743A8 publication Critical patent/WO2000050743A8/en
Anticipated expiration legal-status Critical
Publication of WO2000050743A9 publication Critical patent/WO2000050743A9/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
    • 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
    • F01N3/0892—Electric or magnetic treatment, e.g. dissociation of noxious components
    • 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
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/28—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a plasma reactor
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

An apparatus and a method for the reduction of pollutants in a gas stream containing gas formed from the oxidation of fuel, such as, in the exhaust stream of a combustion engine (11). Radicals are produced using a corona discharge (e.g. 30, 40) in the combustion gas stream (18) of the engine, either in the precombustion gas stream or the postcombustion gas stream. When the radicals are produced from the exhaust gas stream, the radicals may be produced using a corona discharge (e.g. 30, 40) placed directly in the exhaust stream (18) leading to or within the catalytic converter (13), or a portion of the exhaust stream may be diverted to a remote corona discharge radical generator (23). The corona discharge (e.g. 30, 40) in the generator (23) produces radicals in the diverted exhaust gas, and the exhaust gas containing radicals is then conveyed to the exhaust gas stream (18) at a point upstream of the outlet of the catalytic converter (13).
PCT/US2000/004783 1999-02-26 2000-02-25 Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of a fuel Ceased WO2000050743A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU35023/00A AU3502300A (en) 1999-02-26 2000-02-25 Method and apparatus for using free radicals to reduce pollutants in the exhaustgases from the combustion of a fuel
EP00913608A EP1157196A4 (en) 1999-02-26 2000-02-25 Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of a fuel

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US12190399P 1999-02-26 1999-02-26
US60/121,903 1999-02-26
US14231899P 1999-07-02 1999-07-02
US60/142,318 1999-07-02

Publications (3)

Publication Number Publication Date
WO2000050743A1 WO2000050743A1 (en) 2000-08-31
WO2000050743A8 true WO2000050743A8 (en) 2001-05-25
WO2000050743A9 WO2000050743A9 (en) 2002-06-20

Family

ID=26819943

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/004783 Ceased WO2000050743A1 (en) 1999-02-26 2000-02-25 Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of a fuel

Country Status (3)

Country Link
EP (1) EP1157196A4 (en)
AU (1) AU3502300A (en)
WO (1) WO2000050743A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7078000B2 (en) 2001-06-14 2006-07-18 Delphi Technologies, Inc. Apparatus and method for mat protection of non-thermal plasma reactor
US6893617B2 (en) 2001-06-14 2005-05-17 Delphi Technologies, Inc. Apparatus and method for retention of non-thermal plasma reactor
DE10243269A1 (en) * 2002-09-18 2004-03-25 Robert Bosch Gmbh Process for treating I.C. engine exhaust gas comprises adding an auxiliary agent treated using a plasma to the exhaust gas to purify the gas
FR2858354B1 (en) * 2003-07-30 2006-01-13 Peugeot Citroen Automobiles Sa PROCESS FOR THE TREATMENT OF IMBRULATED HYDROCARBONS FROM A NATURALLY GAS-OPERATING IGNITION ENGINE, IN PARTICULAR FOR A MOTOR VEHICLE AND DEVICE FOR APPLYING THE SAME
US8384396B2 (en) 2006-05-01 2013-02-26 Filter Sensing Technologies, Inc. System and method for measuring retentate in filters
WO2011056164A1 (en) 2008-10-31 2011-05-12 Leslie Bromberg Method and system for controlling filter operation
WO2010074812A1 (en) * 2008-11-03 2010-07-01 Leslie Bromberg System and method for measuring retentate in filters
US10425170B2 (en) 2014-06-06 2019-09-24 Cts Corporation Radio frequency process sensing, control, and diagnostics network
CN112362973A (en) 2014-06-06 2021-02-12 滤波器感知技术有限公司 Radio frequency state variable measurement system and method
WO2016064821A1 (en) 2014-10-20 2016-04-28 Filter Sensing Technologies, Inc. Filter retentate analysis and diagnostics
US10799826B2 (en) 2015-06-08 2020-10-13 Cts Corporation Radio frequency process sensing, control, and diagnostics network and system
US10118119B2 (en) 2015-06-08 2018-11-06 Cts Corporation Radio frequency process sensing, control, and diagnostics network and system
US10260400B2 (en) 2015-06-08 2019-04-16 Cts Corporation Radio frequency system and method for monitoring engine-out exhaust constituents
WO2019143595A1 (en) 2018-01-16 2019-07-25 Cts Corporation Radio frequency sensor system incorporating machine learning system and method
IT202200003731A1 (en) * 2022-02-28 2023-08-28 Jonix S P A INTERNAL COMBUSTION ENGINE EQUIPPED WITH AN IONIZER DEVICE
CN115557580A (en) * 2022-09-20 2023-01-03 张景尧 A kind of strong magnetic field extreme condition 100 scale water purification device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5142245B2 (en) * 1974-07-08 1976-11-15
US4969328A (en) * 1986-10-21 1990-11-13 Kammel Refaat A Diesel engine exhaust oxidizer
US4945721A (en) * 1988-04-14 1990-08-07 Environmental Research International, Inc. Electromagnetic converter for reduction of exhaust emissions
JPH05332128A (en) * 1992-05-27 1993-12-14 Nagatoshi Suzuki Exhaust emission control device
JP3147193B2 (en) * 1992-06-24 2001-03-19 いすゞ自動車株式会社 Exhaust gas purification system for diesel engine
JPH0822367B2 (en) * 1992-11-27 1996-03-06 富士通株式会社 Gas purification equipment
US5549795A (en) * 1994-08-25 1996-08-27 Hughes Aircraft Company Corona source for producing corona discharge and fluid waste treatment with corona discharge
US5771683A (en) * 1995-08-30 1998-06-30 Southwest Research Institute Active porous medium aftertreatment control system
US5863413A (en) * 1996-06-28 1999-01-26 Litex, Inc. Method for using hydroxyl radical to reduce pollutants in the exhaust gases from the combustion of a fuel
US5746984A (en) * 1996-06-28 1998-05-05 Low Emissions Technologies Research And Development Partnership Exhaust system with emissions storage device and plasma reactor
JPH10169431A (en) * 1996-12-12 1998-06-23 Mitsubishi Motors Corp Exhaust gas treatment equipment
ATE220943T1 (en) * 1997-05-16 2002-08-15 Siemens Ag METHOD AND DEVICE FOR DESTRUCTION OF OXIDIC POLLUTANTS IN AN EXHAUST GAS CONTAINING OXYGEN AND ENGINE OPERATED THEREFROM
DE19828904A1 (en) * 1998-06-18 1999-12-23 Inst Umwelttechnologien Gmbh Plasma-supported conversion of nitrogen oxides in the purification of exhaust gas
JP2002535542A (en) * 1999-01-21 2002-10-22 リテックス インコーポレイテッド Combined plasma reactor catalyst system for effective emission control over a range of operating conditions

Also Published As

Publication number Publication date
EP1157196A4 (en) 2003-01-22
AU3502300A (en) 2000-09-14
EP1157196A1 (en) 2001-11-28
WO2000050743A9 (en) 2002-06-20
WO2000050743A1 (en) 2000-08-31

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