PT86908A - Processo para a reducao da concentracao de oxidos de azoto num efluente com minimizacao da producao doutros poluentes - Google Patents

Processo para a reducao da concentracao de oxidos de azoto num efluente com minimizacao da producao doutros poluentes

Info

Publication number
PT86908A
PT86908A PT8690888A PT8690888A PT86908A PT 86908 A PT86908 A PT 86908A PT 8690888 A PT8690888 A PT 8690888A PT 8690888 A PT8690888 A PT 8690888A PT 86908 A PT86908 A PT 86908A
Authority
PT
Portugal
Prior art keywords
concn
substd
prodn
esp
pollutants
Prior art date
Application number
PT8690888A
Other languages
English (en)
Other versions
PT86908B (pt
Inventor
William Robert Epperly
Barry Normand Sprague
James Christopher Sullivan
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 US07/155,864 external-priority patent/US4877590A/en
Application filed by Fuel Tech Inc filed Critical Fuel Tech Inc
Publication of PT86908A publication Critical patent/PT86908A/pt
Publication of PT86908B publication Critical patent/PT86908B/pt

Links

Landscapes

  • Treating Waste Gases (AREA)
PT8690888A 1988-02-29 1988-03-04 Processo para a reducao da concentracao de oxidos de azoto num efluente com minimizacao da producao doutros poluentes PT86908B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
PT86908A true PT86908A (pt) 1989-02-28
PT86908B PT86908B (pt) 1993-09-30

Family

ID=22557083

Family Applications (1)

Application Number Title Priority Date Filing Date
PT8690888A PT86908B (pt) 1988-02-29 1988-03-04 Processo para a reducao da concentracao de oxidos de azoto num efluente com minimizacao da producao doutros poluentes

Country Status (2)

Country Link
ES (1) ES2006354A6 (pt)
PT (1) PT86908B (pt)

Also Published As

Publication number Publication date
PT86908B (pt) 1993-09-30
ES2006354A6 (es) 1989-04-16

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19930317

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19940930