ATE88372T1 - 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
ATE88372T1
ATE88372T1 AT88907893T AT88907893T ATE88372T1 AT E88372 T1 ATE88372 T1 AT E88372T1 AT 88907893 T AT88907893 T AT 88907893T AT 88907893 T AT88907893 T AT 88907893T AT E88372 T1 ATE88372 T1 AT E88372T1
Authority
AT
Austria
Prior art keywords
reducing
effluent
step process
exhaust stream
contamination level
Prior art date
Application number
AT88907893T
Other languages
English (en)
Inventor
William Robert Canaan Epperly
Jeremy Deeble Lam Peter-Hoblyn
George F Shulof Jr
James Christopher Sullivan
Barry Normand Sprague
John Henry O'leary
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
Priority claimed from EP88907893A external-priority patent/EP0354220B1/de
Application granted granted Critical
Publication of ATE88372T1 publication Critical patent/ATE88372T1/de

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)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Treating Waste Gases (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
AT88907893T 1987-03-06 1988-08-12 Multi-schritt-verfahren zur reduzierung des verunreinigungsgehaltes in einem abgasstrom. ATE88372T1 (de)

Applications Claiming Priority (9)

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
EP88907893A EP0354220B1 (de) 1987-09-23 1988-08-12 Multi-schritt-verfahren zur reduzierung des verunreinigungsgehaltes in einem abgasstrom
PCT/US1988/002748 WO1989002780A2 (en) 1987-03-06 1988-08-12 Multi-stage process for reducing the concentration of pollutants in an effluent

Publications (1)

Publication Number Publication Date
ATE88372T1 true ATE88372T1 (de) 1993-05-15

Family

ID=27575737

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88907893T ATE88372T1 (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) DK250389D0 (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
EP0432166A1 (de) * 1989-07-04 1991-06-19 Fuel Tech Europe Limited Lanzartiges injektionsgerät zum einbringen von chemikalien in abgase
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
DE4123155A1 (de) * 1990-07-13 1992-01-16 Hitachi Shipbuilding Eng Co Verfahren zur gleichzeitigen entschwefelung und entstickung in einem ofen
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
WO1989002780A3 (en) 1989-05-05
DE3880484T2 (de) 1993-08-05
WO1989002780A2 (en) 1989-04-06
FI88587C (fi) 1993-06-10
FI892466A0 (fi) 1989-05-22
AU614094B2 (en) 1991-08-22
DK250389A (da) 1989-05-23
DE3880484D1 (de) 1993-05-27
DK250389D0 (da) 1989-05-23
AU2308488A (en) 1989-04-18
FI88587B (fi) 1993-02-26
FI892466A (fi) 1989-05-22

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee