EP0722421A4 - Low pressure formation of a urea hydrolysate for nitrogen oxides reduction - Google Patents

Low pressure formation of a urea hydrolysate for nitrogen oxides reduction

Info

Publication number
EP0722421A4
EP0722421A4 EP94929401A EP94929401A EP0722421A4 EP 0722421 A4 EP0722421 A4 EP 0722421A4 EP 94929401 A EP94929401 A EP 94929401A EP 94929401 A EP94929401 A EP 94929401A EP 0722421 A4 EP0722421 A4 EP 0722421A4
Authority
EP
European Patent Office
Prior art keywords
low pressure
nitrogen oxides
pressure formation
oxides reduction
urea hydrolysate
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.)
Withdrawn
Application number
EP94929401A
Other languages
German (de)
French (fr)
Other versions
EP0722421A1 (en
Inventor
John E Hofmann
Harpe Thure Von
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 EP0722421A1 publication Critical patent/EP0722421A1/en
Publication of EP0722421A4 publication Critical patent/EP0722421A4/en
Withdrawn legal-status Critical Current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
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
EP94929401A 1993-10-06 1994-10-04 Low pressure formation of a urea hydrolysate for nitrogen oxides reduction Withdrawn EP0722421A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13257593A 1993-10-06 1993-10-06
PCT/US1994/011269 WO1995009810A1 (en) 1993-10-06 1994-10-04 Low pressure formation of a urea hydrolysate for nitrogen oxides reduction
US132575 1998-08-11

Publications (2)

Publication Number Publication Date
EP0722421A1 EP0722421A1 (en) 1996-07-24
EP0722421A4 true EP0722421A4 (en) 1997-05-28

Family

ID=22454661

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94929401A Withdrawn EP0722421A4 (en) 1993-10-06 1994-10-04 Low pressure formation of a urea hydrolysate for nitrogen oxides reduction

Country Status (2)

Country Link
EP (1) EP0722421A4 (en)
WO (1) WO1995009810A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9502808D0 (en) * 1995-08-11 1995-08-11 Archemi Ab Additives for combustion gases
US6511644B1 (en) 2000-08-28 2003-01-28 The Chemithon Corporation Method for removing contaminants in reactors
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993019006A1 (en) * 1992-03-25 1993-09-30 Energy & Environmental Research Corp. METHOD FOR CONTROLLING N2O EMISSIONS AND FOR THE REDUCTION OF NOx AND SOx EMISSIONS IN COMBUSTION SYSTEMS
WO1994009896A1 (en) * 1992-11-02 1994-05-11 Nalco Fuel Tech Process and composition for sorbent reduction of n2o

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731233A (en) * 1986-01-09 1988-03-15 Thompson Richard E Method and composition for utilizing lime-urea hydrates to simultaneously reduce NOx and SOx in combustion effluents
US5058514A (en) * 1989-10-18 1991-10-22 Mozes Miriam S Process for controlling acid gas emissions in power plant flue gases
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
WO1993019006A1 (en) * 1992-03-25 1993-09-30 Energy & Environmental Research Corp. METHOD FOR CONTROLLING N2O EMISSIONS AND FOR THE REDUCTION OF NOx AND SOx EMISSIONS IN COMBUSTION SYSTEMS
WO1994009896A1 (en) * 1992-11-02 1994-05-11 Nalco Fuel Tech Process and composition for sorbent reduction of n2o

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9509810A1 *

Also Published As

Publication number Publication date
WO1995009810A1 (en) 1995-04-13
EP0722421A1 (en) 1996-07-24

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

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