DE3880484T2 - Multi-schritt-verfahren zur reduzierung des verunreinigungsgehaltes in einem abgasstrom. - Google Patents

Multi-schritt-verfahren zur reduzierung des verunreinigungsgehaltes in einem abgasstrom.

Info

Publication number
DE3880484T2
DE3880484T2 DE8888907893T DE3880484T DE3880484T2 DE 3880484 T2 DE3880484 T2 DE 3880484T2 DE 8888907893 T DE8888907893 T DE 8888907893T DE 3880484 T DE3880484 T DE 3880484T DE 3880484 T2 DE3880484 T2 DE 3880484T2
Authority
DE
Germany
Prior art keywords
reducing
effluent
exhaust gas
gas flow
step method
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.)
Expired - Lifetime
Application number
DE8888907893T
Other languages
English (en)
Other versions
DE3880484D1 (de
Inventor
Robert Canaan Close Epperly
Deeble Lamellon S Peter-Hoblyn
F Shulof
Christopher Sullivan
Normand Sprague
Henry O'leary
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.)
Fuel Tech Inc
Original Assignee
Fuel Tech 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
Priority claimed from US07/022,716 external-priority patent/US4777024A/en
Priority claimed from US07/100,128 external-priority patent/US4863705A/en
Priority claimed from US07/108,779 external-priority patent/US4844878A/en
Priority claimed from US07/132,801 external-priority patent/US4830839A/en
Priority claimed from US07/155,864 external-priority patent/US4877590A/en
Priority claimed from US07/207,292 external-priority patent/US4863704A/en
Priority claimed from US07/207,382 external-priority patent/US4902488A/en
Application filed by Fuel Tech Inc filed Critical Fuel Tech Inc
Publication of DE3880484D1 publication Critical patent/DE3880484D1/de
Publication of DE3880484T2 publication Critical patent/DE3880484T2/de
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B01D53/60—Simultaneously removing sulfur oxides and 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
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058—Temperature measurement
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
DE8888907893T 1987-03-06 1988-08-12 Multi-schritt-verfahren zur reduzierung des verunreinigungsgehaltes in einem abgasstrom. Expired - Lifetime DE3880484T2 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US07/022,716 US4777024A (en) 1987-03-06 1987-03-06 Multi-stage process for reducing the concentration of pollutants in an effluent
US07/100,128 US4863705A (en) 1987-09-23 1987-09-23 Process for the reduction of nitrogen oxides in an effluent
US07/108,779 US4844878A (en) 1985-10-04 1987-10-14 Process for the reduction of nitrogen oxides in an effluent
US07/132,801 US4830839A (en) 1987-02-13 1987-12-14 Ammonia scrubbing
US07/155,864 US4877590A (en) 1987-03-06 1988-02-29 Process for nitrogen oxides reduction with minimization of the production of other pollutants
US07/207,292 US4863704A (en) 1987-03-06 1988-06-15 Multi-stage process for reducing the concentration of pollutants in an effluent using an ammonium salt
US07/207,382 US4902488A (en) 1987-05-14 1988-06-15 Process for nitrogen oxides reduction with minimization of the production of other pollutants
PCT/US1988/002748 WO1989002780A2 (en) 1987-03-06 1988-08-12 Multi-stage process for reducing the concentration of pollutants in an effluent

Publications (2)

Publication Number Publication Date
DE3880484D1 DE3880484D1 (de) 1993-05-27
DE3880484T2 true DE3880484T2 (de) 1993-08-05

Family

ID=27575737

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888907893T Expired - Lifetime DE3880484T2 (de) 1987-03-06 1988-08-12 Multi-schritt-verfahren zur reduzierung des verunreinigungsgehaltes in einem abgasstrom.

Country Status (6)

Country Link
AT (1) ATE88372T1 (de)
AU (1) AU614094B2 (de)
DE (1) DE3880484T2 (de)
DK (1) DK250389A (de)
FI (1) FI88587C (de)
WO (1) WO1989002780A2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4863704A (en) * 1987-03-06 1989-09-05 Fuel Tech, Inc. Multi-stage process for reducing the concentration of pollutants in an effluent using an ammonium salt
WO1991006506A1 (en) * 1987-03-06 1991-05-16 Fuel Tech, Inc. System for the efficient reduction of nitrogen oxides in an effluent
WO1991000134A1 (en) * 1989-07-04 1991-01-10 Fuel Tech Europe Limited Lance-type injection apparatus for introducing chemical agents into flue gases
US4997631A (en) * 1990-03-07 1991-03-05 Fuel Tech, Inc. Process for reducing nitrogen oxides without generating nitrous oxide
US5043150A (en) * 1990-04-17 1991-08-27 A. Ahlstrom Corporation Reducing emissions of N2 O when burning nitrogen containing fuels in fluidized bed reactors
GB2246121B (en) * 1990-07-13 1995-03-08 Hitachi Shipbuilding Eng Co Process for simultaneously effecting desulfurization and denitration within furnace
US5048432B1 (en) * 1990-12-27 1996-07-02 Nalco Fuel Tech Process and apparatus for the thermal decomposition of nitrous oxide
US5229090A (en) * 1991-07-03 1993-07-20 Nalco Fuel Tech Process for nitrogen oxides reduction to lowest achievable level
IT1250740B (it) * 1991-08-02 1995-04-21 Eniricerche Spa Riduzione degli inquinanti nell'effluente di combustione
US5498707A (en) * 1993-04-22 1996-03-12 Gatlin; Larry W. Hydrogen sulfide converter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3565575A (en) * 1968-05-22 1971-02-23 Chemical Construction Corp Removal of nitrogen oxides from a gas stream
CA1097487A (en) * 1976-04-20 1981-03-17 David W. Turner Method and apparatus for reducing no.sub.x emission to the atmosphere
US4853193A (en) * 1986-01-10 1989-08-01 Exxon Research And Engineering Company Process for removing NOx and SOx from a gaseous mixture

Also Published As

Publication number Publication date
DE3880484D1 (de) 1993-05-27
FI88587B (fi) 1993-02-26
FI892466A (fi) 1989-05-22
FI88587C (fi) 1993-06-10
DK250389D0 (da) 1989-05-23
WO1989002780A2 (en) 1989-04-06
FI892466A0 (fi) 1989-05-22
DK250389A (da) 1989-05-23
AU2308488A (en) 1989-04-18
WO1989002780A3 (en) 1989-05-05
ATE88372T1 (de) 1993-05-15
AU614094B2 (en) 1991-08-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition