DE3881984D1 - Verfahren zur reduktion von stickoxiden mit minimiertem anfall anderer schadstoffe. - Google Patents

Verfahren zur reduktion von stickoxiden mit minimiertem anfall anderer schadstoffe.

Info

Publication number
DE3881984D1
DE3881984D1 DE8888903063T DE3881984T DE3881984D1 DE 3881984 D1 DE3881984 D1 DE 3881984D1 DE 8888903063 T DE8888903063 T DE 8888903063T DE 3881984 T DE3881984 T DE 3881984T DE 3881984 D1 DE3881984 D1 DE 3881984D1
Authority
DE
Germany
Prior art keywords
pollutants
concn
reducing nitrogen
minimum result
nitrogen oxids
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 - Fee Related
Application number
DE8888903063T
Other languages
English (en)
Other versions
DE3881984T2 (de
Inventor
William Epperly
John O'leary
James Sullivan
Barry Sprague
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 US07/050,198 external-priority patent/US4780289A/en
Priority claimed from US07/108,779 external-priority patent/US4844878A/en
Priority claimed from US07/155,864 external-priority patent/US4877590A/en
Application filed by Fuel Tech Inc filed Critical Fuel Tech Inc
Publication of DE3881984D1 publication Critical patent/DE3881984D1/de
Application granted granted Critical
Publication of DE3881984T2 publication Critical patent/DE3881984T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

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)
  • Separation By Low-Temperature Treatments (AREA)
  • Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE88903063T 1987-03-06 1988-03-04 Verfahren zur reduktion von stickoxiden mit minimiertem anfall anderer schadstoffe. Expired - Fee Related DE3881984T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US2279987A 1987-03-06 1987-03-06
US07/050,198 US4780289A (en) 1987-05-14 1987-05-14 Process for nitrogen oxides reduction and minimization of the production of other pollutants
US9096287A 1987-08-28 1987-08-28
US07/108,779 US4844878A (en) 1985-10-04 1987-10-14 Process for the reduction of nitrogen oxides in an effluent
US07/155,864 US4877590A (en) 1987-03-06 1988-02-29 Process for nitrogen oxides reduction with minimization of the production of other pollutants

Publications (2)

Publication Number Publication Date
DE3881984D1 true DE3881984D1 (de) 1993-07-29
DE3881984T2 DE3881984T2 (de) 1994-01-27

Family

ID=27533981

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198888903063T Pending DE304478T1 (de) 1987-03-06 1988-03-04 Verfahren zur reduktion von stickoxiden mit minimiertem anfall anderer schadstoffe.
DE88903063T Expired - Fee Related DE3881984T2 (de) 1987-03-06 1988-03-04 Verfahren zur reduktion von stickoxiden mit minimiertem anfall anderer schadstoffe.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE198888903063T Pending DE304478T1 (de) 1987-03-06 1988-03-04 Verfahren zur reduktion von stickoxiden mit minimiertem anfall anderer schadstoffe.

Country Status (13)

Country Link
EP (1) EP0304478B1 (de)
AT (1) ATE90883T1 (de)
AU (1) AU1499388A (de)
CA (1) CA1311107C (de)
DE (2) DE304478T1 (de)
DK (1) DK614888D0 (de)
FI (1) FI885103A (de)
GB (1) GB2225001B (de)
HU (1) HUT50294A (de)
NO (1) NO884950L (de)
PL (1) PL271055A1 (de)
WO (1) WO1988006487A1 (de)
YU (1) YU44888A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3579389A (en) * 1988-04-29 1989-11-24 Fuel Tech. Inc. Composition for introduction into a high temperature environment
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
DE10021517C1 (de) * 2000-05-03 2002-01-10 Kuelps Heinz Juergen Zurückdrängung und Verminderung der Hochtemperatur-Halogen-Korrosion in Verbrennungsanlagen durch den Einsatz von Wirkstoffen sowie Wirkstoff-Mischungen
KR102079768B1 (ko) 2018-05-08 2020-02-20 에스케이가스 주식회사 올레핀 제조 공정 중에 발생하는 배가스 내 이산화질소를 저감하는 방법

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3846981A (en) * 1970-10-19 1974-11-12 Nanaimo Enviro Syst Corp Emission control process and system
JPS5330975B2 (de) * 1971-07-22 1978-08-30
US3801696A (en) * 1971-11-18 1974-04-02 J Mark Apparatus for removing nitrogen oxides from engine exhaust
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
JPS5333975B2 (de) * 1973-03-28 1978-09-18
JPS5176166A (ja) * 1974-12-27 1976-07-01 Mitsubishi Chem Ind Chitsusosankabutsuobunkaisuruhoho
JPS51143570A (en) * 1975-06-06 1976-12-09 Asahi Chem Ind Co Ltd A method for reduction of nitrogen oxides in exhaust gas
JPS526368A (en) * 1975-07-05 1977-01-18 Hitachi Ltd Process for reducing nitrogen oxides in exhaust combustion gases
JPS5285056A (en) * 1976-01-08 1977-07-15 Toray Ind Inc Removal of nitrogen oxides
JPS5288259A (en) * 1976-01-20 1977-07-23 Toray Ind Inc Removal of nitrogen oxides
JPS5291776A (en) * 1976-01-30 1977-08-02 Mitsubishi Heavy Ind Ltd Treatment of nitrogen oxides in exhaust gas
US4208386A (en) * 1976-03-03 1980-06-17 Electric Power Research Institute, Inc. Urea reduction of NOx in combustion effluents
CA1097487A (en) * 1976-04-20 1981-03-17 David W. Turner Method and apparatus for reducing no.sub.x emission to the atmosphere
JPS5379762A (en) * 1976-12-24 1978-07-14 Mitsubishi Heavy Ind Ltd Treating method for nitrogen contained in exhaust gas
JPS5394258A (en) * 1977-01-31 1978-08-18 Kurabo Ind Ltd Control method and apparatus for nitrogen oxides removing apparatus
JPS53128023A (en) * 1977-04-15 1978-11-08 Toray Ind Inc Method for reducing the concentration of nitrogen oxide in combustion effluent gas
US4325924A (en) * 1977-10-25 1982-04-20 Electric Power Research Institute, Inc. Urea reduction of NOx in fuel rich combustion effluents
JPS5499771A (en) * 1978-01-24 1979-08-06 Mitsubishi Heavy Ind Ltd Controlling method for ammonia injection at dry process exhaust gas dieitration method
JPS54123573A (en) * 1978-03-17 1979-09-25 Matsushita Electric Ind Co Ltd Exhaust gas treating agent
US4473536A (en) * 1982-12-27 1984-09-25 General Electric Company Catalytic pollution control system for gas turbine exhaust
US4473537A (en) * 1982-12-27 1984-09-25 General Electric Company Ammonia control system for NOx emission control for gas turbine exhaust
DE3337793A1 (de) * 1983-10-18 1985-05-02 L. & C. Steinmüller GmbH, 5270 Gummersbach Verfahren zur regelung der zugabemenge an reduktionsmittel bei der katalytischen reduktion von in rauchgasen enthaltenem no(pfeil abwaerts)x(pfeil abwaerts)
US4507269A (en) * 1983-11-10 1985-03-26 Exxon Research & Engineering Co. Non-catalytic method for reducing the concentration of NO in combustion effluents by injection of ammonia at temperatures greater than about 1300 degree K
US4624840A (en) * 1983-11-10 1986-11-25 Exxon Research & Engineering Company Non-catalytic method for reducing the concentration of NO in combustion effluents by injection of ammonia at temperatures greater than about 1300° K.
AU6408086A (en) * 1985-10-04 1987-04-24 Fuel Tech. Inc. Reduction of nitrogen- and carbon-based pollutants

Also Published As

Publication number Publication date
NO884950D0 (no) 1988-11-04
FI885103A0 (fi) 1988-11-04
WO1988006487A1 (en) 1988-09-07
GB2225001B (en) 1991-09-04
DK614888A (da) 1988-11-03
CA1311107C (en) 1992-12-08
GB8825253D0 (en) 1988-12-29
HUT50294A (en) 1990-01-29
DE3881984T2 (de) 1994-01-27
DE304478T1 (de) 1989-06-22
PL271055A1 (en) 1988-12-08
EP0304478A1 (de) 1989-03-01
EP0304478A4 (de) 1989-12-18
AU1499388A (en) 1988-09-26
DK614888D0 (da) 1988-11-03
GB2225001A (en) 1990-05-23
NO884950L (no) 1988-11-04
FI885103A (fi) 1988-11-04
YU44888A (en) 1989-12-31
EP0304478B1 (de) 1993-06-23
ATE90883T1 (de) 1993-07-15

Similar Documents

Publication Publication Date Title
ES2009352A6 (es) Procedimiento para reducir la concentracion de oxidos de nitrogeno en el efluente de la combustion de un combustible carbonaceo.
DE69033314T2 (de) Kombiniertes sncr und scr verfahren zur reduzierung der stickstoffoxyde
ATE129925T1 (de) Verfahren zur in-line-hydrolyse von harnstoff.
DE3382387D1 (de) Loesungen von aminosaeuren zur parenteralen naehrung sowie dosierverfahren und verwendung.
DE3688209D1 (de) Verfahren zur herstellung von kohlenstoffilamenten und durch dieses verfahren erhaltene kohlenstoffilamente.
DE3667143D1 (de) Verfahren fuer die systematische behandlung von auspuffgasen.
DE3784188T2 (de) Verfahren zur behandlung von industriellen gasen, die schwefelverbindungen enthalten.
DE68921870D1 (de) Verfahren zur Reduktion von Stickoxiden.
DE3773120D1 (de) Verfahren zur verminderung von stickstoffoxydemissionen aus salpetersaeure enthaltenden loesungen.
DE68906948D1 (de) Verfahren zur herstellung von nitrilen oder oxiden.
DE3864298D1 (de) Verfahren zur reinigung von sauerstoff enthaltende abgassen durch eine selektive reduktion von stickoxiden.
DE304480T1 (de) Verfahren zur reduktion von stickstoffoxiden in abwaessern mittels zucker.
DE3873094T2 (de) Verfahren zur aufbereitung von gas.
DE3881984D1 (de) Verfahren zur reduktion von stickoxiden mit minimiertem anfall anderer schadstoffe.
ATA175681A (de) Verfahren zur gleichzeitigen reinigung bzw. entgiftung von cr-(vi)-haeltigen abwaessern oder loesungen und nox-haeltigen abwaessern oder abgasen (x=0,5 bis 2,0)
DE3381805D1 (de) Verfahren zur herstellung von interferon.
DE3674074D1 (de) Verfahren zur festigkeitsverbesserung durch waermebehandlung.
DE3782291D1 (de) Verfahren zur nachbehandlung von reliefformen.
PT86908A (pt) Processo para a reducao da concentracao de oxidos de azoto num efluente com minimizacao da producao doutros poluentes
DE3879570T2 (de) Verfahren zur selektiven reduktion von polyhalosilanen mit alkylzinnhydriden.
DE3481179D1 (de) Vorrichtung und verfahren zur plasmabehandlung von kunstharz.
DE3765804D1 (de) Verfahren zur reinigung von ammoniumsulfat enthaltendem cyclohexanonoxim.
ATE67524T1 (de) Verfahren zur verminderung von stickstoffoxydemissionen aus salpetersaeure enthaltenden loesungen.
JPS52100748A (en) Biological denitrification method
ATE90336T1 (de) Verfahren zur herstellung von nitrilen oder oxiden.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee