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DE19581575T1 - Verfahren und Zusammensetzung zur Bekämpfung der Umweltverschmutzung - Google Patents

Verfahren und Zusammensetzung zur Bekämpfung der Umweltverschmutzung

Info

Publication number
DE19581575T1
DE19581575T1 DE19581575T DE19581575T DE19581575T1 DE 19581575 T1 DE19581575 T1 DE 19581575T1 DE 19581575 T DE19581575 T DE 19581575T DE 19581575 T DE19581575 T DE 19581575T DE 19581575 T1 DE19581575 T1 DE 19581575T1
Authority
DE
Germany
Prior art keywords
composition
combating pollution
combating
pollution
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
DE19581575T
Other languages
English (en)
Inventor
Daniel V Diep
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.)
Nalco Fuel Tech
Original Assignee
Nalco Fuel Tech
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 Nalco Fuel Tech filed Critical Nalco Fuel Tech
Publication of DE19581575T1 publication Critical patent/DE19581575T1/de
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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/04—Purification or separation of nitrogen
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
DE19581575T 1994-03-10 1995-03-09 Verfahren und Zusammensetzung zur Bekämpfung der Umweltverschmutzung Ceased DE19581575T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/209,541 US5489420A (en) 1994-03-10 1994-03-10 Nitrogen oxides reducing agent and a phosphate
PCT/US1995/003016 WO1995024357A1 (en) 1994-03-10 1995-03-09 Process and composition for pollution control

Publications (1)

Publication Number Publication Date
DE19581575T1 true DE19581575T1 (de) 1997-04-17

Family

ID=22779163

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19581575T Ceased DE19581575T1 (de) 1994-03-10 1995-03-09 Verfahren und Zusammensetzung zur Bekämpfung der Umweltverschmutzung

Country Status (6)

Country Link
US (1) US5489420A (de)
KR (1) KR970701671A (de)
DE (1) DE19581575T1 (de)
PL (1) PL177588B1 (de)
TW (1) TW305771B (de)
WO (1) WO1995024357A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6761868B2 (en) 2001-05-16 2004-07-13 The Chemithon Corporation Process for quantitatively converting urea to ammonia on demand
US6887449B2 (en) 2002-11-21 2005-05-03 The Chemithon Corporation Method of quantitatively producing ammonia from urea

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5985222A (en) 1996-11-01 1999-11-16 Noxtech, Inc. Apparatus and method for reducing NOx from exhaust gases produced by industrial processes
US6490984B1 (en) * 1998-12-28 2002-12-10 Miyoshi Yushi Kabushiki Kaisha Method of making flue gas harmless
US6280695B1 (en) 2000-07-10 2001-08-28 Ge Energy & Environmental Research Corp. Method of reducing NOx in a combustion flue gas
KR100597961B1 (ko) * 2003-04-24 2006-07-06 한국남부발전 주식회사 고정원에서 발생되는 이산화질소 가시매연 저감방법
CN100355488C (zh) * 2003-05-07 2007-12-19 韩国高化环保技术有限公司 通过多次喷射还原氮氧化物的催化方法及其用法
EP1646440A4 (de) * 2003-05-22 2010-04-14 Doosan Babcock Energy Ltd Verfahren und vorrichtung zur zoneneinspritzung von chemikalien in einen ofenkonvektionszug zur verringerung von verunreinigungen aus rauchgasen
US7976518B2 (en) * 2005-01-13 2011-07-12 Corpak Medsystems, Inc. Tubing assembly and signal generator placement control device and method for use with catheter guidance systems
US9869226B2 (en) * 2013-06-07 2018-01-16 Peerless Mfg. Co. System and method for sequential injection of reagent to reduce NOx from combustion sources
EP3216510A1 (de) * 2016-03-07 2017-09-13 Omya International AG Teilchenförmiges erdalkalikarbonathaltiges material zur aufnahme von nox
CN114682065B (zh) * 2022-03-21 2023-03-24 安徽工业大学 一种用于智能活性氨基还原脱硝的脱硝剂和对窑尾烟气进行脱硝的方法
CN119548965B (zh) * 2025-01-16 2025-10-10 淄博双泽环保科技有限公司 选择性非催化还原脱硝剂及其制备方法

Citations (2)

* 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
US4992249A (en) * 1985-10-04 1991-02-12 Fuel Tech, Inc. Reduction of nitrogen- and carbon-based pollutants through the use of urea solutions

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5420430B2 (de) * 1972-07-25 1979-07-23
US3900554A (en) * 1973-03-16 1975-08-19 Exxon Research Engineering Co Method for the reduction of the concentration of no in combustion effluents using ammonia
US4208386A (en) * 1976-03-03 1980-06-17 Electric Power Research Institute, Inc. Urea reduction of NOx in combustion effluents
US4756890A (en) * 1986-05-09 1988-07-12 Pyropower Corporation Reduction of NOx in flue gas
US4842834A (en) * 1987-02-02 1989-06-27 Fuel Tech, Inc. Process for reducing the concentration of pollutants in an effluent
US4777024A (en) * 1987-03-06 1988-10-11 Fuel Tech, Inc. Multi-stage process for reducing the concentration of pollutants in an effluent
US4780289A (en) * 1987-05-14 1988-10-25 Fuel Tech, Inc. Process for nitrogen oxides reduction and minimization of the production of other pollutants
US4985218A (en) * 1989-03-03 1991-01-15 Fuel Tech, Inc. Process and injector for reducing the concentration of pollutants in an effluent
US4997631A (en) * 1990-03-07 1991-03-05 Fuel Tech, Inc. Process for reducing nitrogen oxides without generating nitrous oxide
US5240688A (en) * 1990-08-01 1993-08-31 Fuel Tech Gmbh Process for the in-line hydrolysis of urea

Patent Citations (2)

* 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
US4992249A (en) * 1985-10-04 1991-02-12 Fuel Tech, Inc. Reduction of nitrogen- and carbon-based pollutants through the use of urea solutions

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
JP 49030147 In: Derwent Ref. No.75-02510 W/02 *
JP 61230798 A In: Derwent Ref. No.86-314161/48 *
JP 61238791 A In: Derwent Ref. No.86-322245/49 *
SU 867404 In: Derwent Ref. No.63097 E/30 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6761868B2 (en) 2001-05-16 2004-07-13 The Chemithon Corporation Process for quantitatively converting urea to ammonia on demand
US7008603B2 (en) 2001-05-16 2006-03-07 The Chemithon Corporation Process and apparatus for quantitatively converting urea to ammonia on demand
US6887449B2 (en) 2002-11-21 2005-05-03 The Chemithon Corporation Method of quantitatively producing ammonia from urea

Also Published As

Publication number Publication date
KR970701671A (ko) 1997-04-12
WO1995024357A1 (en) 1995-09-14
PL177588B1 (pl) 1999-12-31
US5489420A (en) 1996-02-06
PL316204A1 (en) 1996-12-23
TW305771B (de) 1997-05-21

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection