AU614094B2 - Multi-stage process for reducing the concentration of pollutants in an effluent - Google Patents

Multi-stage process for reducing the concentration of pollutants in an effluent Download PDF

Info

Publication number
AU614094B2
AU614094B2 AU23084/88A AU2308488A AU614094B2 AU 614094 B2 AU614094 B2 AU 614094B2 AU 23084/88 A AU23084/88 A AU 23084/88A AU 2308488 A AU2308488 A AU 2308488A AU 614094 B2 AU614094 B2 AU 614094B2
Authority
AU
Australia
Prior art keywords
effluent
ammonium
treatment agent
hydrocarbon
temperature
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
AU23084/88A
Other languages
English (en)
Other versions
AU2308488A (en
Inventor
William Robert Epperly
John Henry O'leary
Jeremy Deeble Peter-Hoblyn
George F. Shulof Jr.
Barry Normand Sprague
James Christopher Sullivan
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 AU2308488A publication Critical patent/AU2308488A/en
Publication of AU614094B2 publication Critical patent/AU614094B2/en
Application granted granted Critical
Anticipated expiration legal-status Critical
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
    • B01D53/60—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)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Water Treatment By Electricity Or Magnetism (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)
AU23084/88A 1987-03-06 1988-08-12 Multi-stage process for reducing the concentration of pollutants in an effluent Ceased AU614094B2 (en)

Applications Claiming Priority (14)

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
US100128 1987-09-23
US07/108,779 US4844878A (en) 1985-10-04 1987-10-14 Process for the reduction of nitrogen oxides in an effluent
US108779 1987-10-14
US132801 1987-12-14
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
US155864 1988-02-29
US207292 1988-06-15
US207382 1988-06-15
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
AU2308488A AU2308488A (en) 1989-04-18
AU614094B2 true AU614094B2 (en) 1991-08-22

Family

ID=27575737

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23084/88A Ceased AU614094B2 (en) 1987-03-06 1988-08-12 Multi-stage process for reducing the concentration of pollutants in an effluent

Country Status (6)

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

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
EP0497762A4 (en) * 1987-03-06 1993-04-07 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115515A (en) * 1976-04-20 1978-09-19 Exxon Research And Engineering Company Method for reducing NOx emission to the atmosphere
AU586311B2 (en) * 1986-01-10 1989-07-06 Exxon Research And Engineering Company Process for removing NO``and SO`` from a gaseous mixture

Family Cites Families (1)

* 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115515A (en) * 1976-04-20 1978-09-19 Exxon Research And Engineering Company Method for reducing NOx emission to the atmosphere
AU586311B2 (en) * 1986-01-10 1989-07-06 Exxon Research And Engineering Company Process for removing NO``and SO`` from a gaseous mixture

Also Published As

Publication number Publication date
FI892466A0 (fi) 1989-05-22
FI88587B (fi) 1993-02-26
WO1989002780A3 (en) 1989-05-05
WO1989002780A2 (en) 1989-04-06
DK250389D0 (da) 1989-05-23
AU2308488A (en) 1989-04-18
DK250389A (da) 1989-05-23
FI88587C (fi) 1993-06-10
DE3880484T2 (de) 1993-08-05
ATE88372T1 (de) 1993-05-15
FI892466A (fi) 1989-05-22
DE3880484D1 (de) 1993-05-27

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