ZA200003249B - Reduction of toxic substances in waste gas emissions. - Google Patents

Reduction of toxic substances in waste gas emissions.

Info

Publication number
ZA200003249B
ZA200003249B ZA200003249A ZA200003249A ZA200003249B ZA 200003249 B ZA200003249 B ZA 200003249B ZA 200003249 A ZA200003249 A ZA 200003249A ZA 200003249 A ZA200003249 A ZA 200003249A ZA 200003249 B ZA200003249 B ZA 200003249B
Authority
ZA
South Africa
Prior art keywords
waste gas
gas stream
nitrogen oxides
reduction
toxic substances
Prior art date
Application number
ZA200003249A
Other languages
English (en)
Inventor
Shuen-Cheng Hwang
Mark H Anderson
Neeraj Saxena
Robert James Ferrell
Original Assignee
Boc Group 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 Boc Group Inc filed Critical Boc Group Inc
Publication of ZA200003249B publication Critical patent/ZA200003249B/xx

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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—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
    • B01D53/46—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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75—Multi-step processes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Treating Waste Gases (AREA)
  • Catalysts (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
ZA200003249A 1999-07-02 2000-06-28 Reduction of toxic substances in waste gas emissions. ZA200003249B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/347,316 US6197268B1 (en) 1999-07-02 1999-07-02 Reduction of toxic substances in waste gas emissions

Publications (1)

Publication Number Publication Date
ZA200003249B true ZA200003249B (en) 2001-01-17

Family

ID=23363211

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200003249A ZA200003249B (en) 1999-07-02 2000-06-28 Reduction of toxic substances in waste gas emissions.

Country Status (9)

Country Link
US (1) US6197268B1 (fr)
EP (1) EP1064981B1 (fr)
JP (1) JP4512238B2 (fr)
AT (1) ATE277680T1 (fr)
AU (1) AU764628C (fr)
CA (1) CA2312652C (fr)
DE (1) DE60014248D1 (fr)
NZ (1) NZ505573A (fr)
ZA (1) ZA200003249B (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6761863B2 (en) 2002-01-29 2004-07-13 The Boc Group, Inc. Process for the removal of impurities from gas streams
US6649132B1 (en) 2002-07-23 2003-11-18 The Boc Group, Inc. Process for the removal of impurities from gas streams
MXPA06000309A (es) * 2003-07-09 2006-03-28 Belco Techn Corp Aparato y metodo de depuracion humeda para controlar emisiones de nox.
US7255842B1 (en) 2003-09-22 2007-08-14 United States Of America Department Of Energy Multi-component removal in flue gas by aqua ammonia
US7303735B2 (en) * 2003-10-17 2007-12-04 The Boc Group, Inc. Process for the removal of contaminants from gas streams
MX2007002530A (es) * 2004-09-08 2007-07-05 Headwaters Inc Metodo y sistema para reducir el escape de amoniaco despues de reduccion selectiva de nox.
US7368094B2 (en) * 2004-09-23 2008-05-06 General Motors Corporation Plasma-assisted NOx reduction
EP1842836A4 (fr) * 2005-01-06 2013-12-11 Taiheiyo Cement Corp Appareil et procede de traitement d un effluent gazeux de combustion de four a ciment
US7780934B2 (en) * 2005-09-06 2010-08-24 Headwaters Incorporated Method and system for reducing ammonia slip after selective reduction of NOx
US7766995B2 (en) 2006-05-01 2010-08-03 Linde Llc Ozone production processes and its use in industrial processes
DE102006031650B4 (de) * 2006-07-08 2014-11-20 Man Truck & Bus Ag Anordnung zur Verminderung von Stickoxiden in Abgasen
DE102006054972A1 (de) * 2006-11-16 2008-05-21 M+W Zander Facility Engineering Ltd. Verfahren zur Reinigung von nitrose Gase enthaltenden Abgasen
CA2618778C (fr) * 2007-01-23 2016-04-05 Linde, Inc. Procede d'extraction de contaminants presents dans des flux gazeux
US8071037B2 (en) * 2008-06-25 2011-12-06 Cummins Filtration Ip, Inc. Catalytic devices for converting urea to ammonia
JP2012519576A (ja) * 2009-03-04 2012-08-30 株式会社サイアン 排気システム、この排気システムを用いた滅菌装置およびこの滅菌装置を用いた滅菌方法
US9272908B2 (en) 2010-09-29 2016-03-01 Linde Aktiengesellschaft Gas stream purification apparatus
US8574521B2 (en) 2010-09-29 2013-11-05 Linde Aktiengesellschaft Gas stream purification apparatus and method
CN102188891B (zh) * 2011-05-06 2013-05-22 北京化工大学 含氮氧化物废气酸性氧化-碱性还原净化工艺
CN102895865A (zh) 2011-07-25 2013-01-30 琳德股份公司 从气流中去除污染物的方法
US20130183219A1 (en) 2011-07-25 2013-07-18 Gene H. Irrgang Methods for reducing nitrogen oxides emissions
US20130216461A1 (en) * 2011-08-22 2013-08-22 Naresh J. Suchak Nitric acid production
CA2856196C (fr) 2011-12-06 2020-09-01 Masco Corporation Of Indiana Distribution d'ozone dans un robinet
PT2719440T (pt) * 2012-10-15 2017-06-26 Linde Ag Método para remover contaminantes de gases de exaustão por adição de ozono
US9440188B2 (en) 2012-10-15 2016-09-13 Linde Aktiengesellschaft Method for removing contaminants from exhaust gases
FR3008322A1 (fr) * 2013-07-12 2015-01-16 Lab Sa Procede d'epuration de fumees de combustion
CN104923045A (zh) * 2014-03-20 2015-09-23 成都市华能佳源应用技术研究所 氮氧化合物废气尿素吸收处理方法
EP3012011A1 (fr) 2014-10-21 2016-04-27 Linde Aktiengesellschaft Procédé et appareil pour éliminer partiellement des contaminants à partir d'un gaz par addition d'ozone
CN104511240A (zh) * 2014-12-10 2015-04-15 金川集团股份有限公司 一种处理氮氧化物废气的方法
WO2017112795A1 (fr) 2015-12-21 2017-06-29 Delta Faucet Company Système de distribution de fluide comprenant un dispositif désinfectant
CN107131517A (zh) * 2016-02-26 2017-09-05 杭州中兵环保股份有限公司 一种臭氧氧化提升sncr脱硝效率的装置及方法
CN105776385B (zh) * 2016-02-29 2019-01-04 中冶南方工程技术有限公司 基于喷雾焙烧法的不锈钢废液再生系统及其控制方法
CN108939877A (zh) * 2016-07-15 2018-12-07 缪琼华 一种去除废气中苯系物的钨线圈表面活化-臭氧氧化处理装置
CN110639346A (zh) * 2019-11-05 2020-01-03 张智军 一种气体处理装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5049161A (fr) * 1973-09-01 1975-05-01
US4119703A (en) 1974-06-11 1978-10-10 Japan Gasoline Company, Ltd. Process for removal of nitrogen oxides from waste gas
US4351811A (en) * 1977-07-20 1982-09-28 Hitachi, Ltd. Process for reducing an eliminating nitrogen oxides in an exhaust gas
JPS5522319A (en) * 1978-08-04 1980-02-18 Toshiba Corp High temperature waste gas cleaning
US4975256A (en) 1988-06-09 1990-12-04 W. R. Grace & Co.-Conn. Process using catalysts for selective catalytic reduction denox technology
US5206002A (en) * 1991-08-29 1993-04-27 Cannon Boiler Works, Inc. Process for removing nox and sox from exhaust gas
JPH0564721A (ja) * 1991-09-05 1993-03-19 Mitsubishi Heavy Ind Ltd 低濃度窒素酸化物含有空気の処理方法及び装置
US5233934A (en) 1992-08-20 1993-08-10 Wahlco Environmental Systems, Inc. Control of NOx reduction in flue gas flows
DE4315385A1 (de) 1993-05-08 1994-11-10 Bayer Ag Verfahren zur Entstickung von heißen Rauchgasen
JP3202419B2 (ja) * 1993-06-30 2001-08-27 三菱重工業株式会社 燃焼排ガス中の窒素酸化物の低減方法
US5482692A (en) 1994-07-07 1996-01-09 Mobil Oil Corporation Selective catalytic reduction of nitrogen oxides using a ferrocene impregnated zeolite catalyst
US5589147A (en) 1994-07-07 1996-12-31 Mobil Oil Corporation Catalytic system for the reducton of nitrogen oxides
JP3462580B2 (ja) * 1994-07-28 2003-11-05 三菱重工業株式会社 排ガスの脱硝方法
CA2141734C (fr) 1995-01-25 2000-06-06 Raj Narain Pandey Reduction catalytique selective d'oxydes d'azote
US5743929A (en) 1995-08-23 1998-04-28 The Boc Group, Inc. Process for the production of high purity carbon dioxide
JPH09150039A (ja) * 1995-12-01 1997-06-10 Babcock Hitachi Kk 排ガス浄化装置と方法

Also Published As

Publication number Publication date
ATE277680T1 (de) 2004-10-15
JP4512238B2 (ja) 2010-07-28
JP2001025646A (ja) 2001-01-30
AU764628C (en) 2004-05-06
EP1064981A1 (fr) 2001-01-03
CA2312652A1 (fr) 2001-01-02
AU4379000A (en) 2001-01-04
AU764628B2 (en) 2003-08-28
US6197268B1 (en) 2001-03-06
DE60014248D1 (de) 2004-11-04
NZ505573A (en) 2001-11-30
EP1064981B1 (fr) 2004-09-29
CA2312652C (fr) 2008-09-16

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