FI873906A - Foerfarande foer att minska nox -gasemissionen fraon en salpetersyrahaltig vaetska. - Google Patents
Foerfarande foer att minska nox -gasemissionen fraon en salpetersyrahaltig vaetska. Download PDFInfo
- Publication number
- FI873906A FI873906A FI873906A FI873906A FI873906A FI 873906 A FI873906 A FI 873906A FI 873906 A FI873906 A FI 873906A FI 873906 A FI873906 A FI 873906A FI 873906 A FI873906 A FI 873906A
- Authority
- FI
- Finland
- Prior art keywords
- salpetersyrahaltig
- gasemissionen
- vaetska
- fraon
- nox
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Treating Waste Gases (AREA)
- Bathtub Accessories (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP86850302 | 1986-09-11 | ||
EP86850302A EP0259533A1 (en) | 1986-09-11 | 1986-09-11 | Method of reducing the emission of nitrogen oxides from a liquid containing nitric acid |
Publications (4)
Publication Number | Publication Date |
---|---|
FI873906A0 FI873906A0 (fi) | 1987-09-09 |
FI873906A true FI873906A (fi) | 1988-03-12 |
FI87890B FI87890B (fi) | 1992-11-30 |
FI87890C FI87890C (fi) | 1993-03-10 |
Family
ID=8196526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI873906A FI87890C (fi) | 1986-09-11 | 1987-09-09 | Foerfarande foer att minska nox-gasemissionen fraon en salpetersyrahaltig vaetska |
Country Status (7)
Country | Link |
---|---|
US (1) | US4938838A (fi) |
EP (2) | EP0259533A1 (fi) |
JP (1) | JPS63134683A (fi) |
CA (1) | CA1302050C (fi) |
DE (2) | DE267166T1 (fi) |
FI (1) | FI87890C (fi) |
NO (1) | NO173341C (fi) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2650303B1 (fr) * | 1989-07-26 | 1993-12-10 | Ugine Aciers Chatillon Gueugnon | Procede de decapage en bain acide de produits metalliques contenant du titane ou au moins un element chimique de la famille du titane |
SE9000166L (sv) * | 1990-01-17 | 1991-07-18 | Eka Nobel Ab | Redoxreglering |
ATE138423T1 (de) * | 1990-03-14 | 1996-06-15 | Mannesmann Ag | Verfahren zum beizen von werkstücken aus hochlegierten werkstoffen und vorrichtung zur durchführung des verfahrens |
DE4127980A1 (de) * | 1991-08-23 | 1993-02-25 | Degussa | Verfahren zum automatisch steuerbaren absenken des nitritgehalts nitrithaltiger waessriger loesungen auf werte unter 1 mg/l |
US5376214A (en) * | 1992-09-22 | 1994-12-27 | Nissan Motor Co., Ltd. | Etching device |
US5595713A (en) * | 1994-09-08 | 1997-01-21 | The Babcock & Wilcox Company | Hydrogen peroxide for flue gas desulfurization |
US5741432A (en) * | 1995-01-17 | 1998-04-21 | The Dexter Corporation | Stabilized nitric acid compositions |
SE510298C2 (sv) * | 1995-11-28 | 1999-05-10 | Eka Chemicals Ab | Sätt vid betning av stål |
JP3254139B2 (ja) * | 1996-08-23 | 2002-02-04 | 三菱重工業株式会社 | 排煙脱硫方法における酸化還元電位測定方法 |
EP0885985A1 (en) * | 1997-05-05 | 1998-12-23 | Akzo Nobel N.V. | Method of treating a metal |
US5958147A (en) * | 1997-05-05 | 1999-09-28 | Akzo Nobel N.V. | Method of treating a metal |
WO1999031715A1 (en) * | 1997-12-16 | 1999-06-24 | Memc Electronic Materials, Inc. | PROCESS FOR THE CONTROL OF NOx GENERATED BY ETCHING OF SEMICONDUCTOR WAFERS |
GB9807286D0 (en) | 1998-04-06 | 1998-06-03 | Solvay Interox Ltd | Pickling process |
EP0974682A1 (de) * | 1998-07-18 | 2000-01-26 | Henkel Kommanditgesellschaft auf Aktien | Verfahren zur chemischen Behandlung von Metalloberflächen und dazu geeignete Anlage |
US6475373B1 (en) | 1999-04-08 | 2002-11-05 | Mitsubishi Gas Chemical Company, Inc. | Method of controlling NOx gas emission by hydrogen peroxide |
DE10139615A1 (de) * | 2001-08-11 | 2003-02-20 | Bosch Gmbh Robert | Vorrichtung zur Bestimmung einer Partikelkonzentration eines Abgasstroms |
WO2004101116A1 (en) * | 2003-05-14 | 2004-11-25 | Innovative Ozone Services Inc. | Method and reactor arrangement for reducing the emission of nitrogen oxides |
CA2677753C (en) * | 2007-02-12 | 2016-03-29 | Henkel Ag & Co. Kgaa | Process for treating metal surfaces |
DE102015113589A1 (de) * | 2015-08-17 | 2017-02-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Vorrichtung zum Aufbereiten eines HNO3 enthaltenden flüssigen Prozessmittels |
CN112831785B (zh) * | 2020-12-28 | 2023-03-21 | 江苏兴达钢帘线股份有限公司 | 一种铁基微细单丝的打尖液及其使用方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2981617A (en) * | 1957-06-25 | 1961-04-25 | Karl F Hager | Inhibited fuming nitric acids |
US3019081A (en) * | 1959-07-17 | 1962-01-30 | Phillips Petroleum Co | Stabilized nitric acid |
US3113836A (en) * | 1959-08-12 | 1963-12-10 | Phillips Petroleum Co | Stabilized nitric acid |
US3063945A (en) * | 1959-08-12 | 1962-11-13 | Phillips Petroleum Co | Stabilized nitric acid |
US3828067A (en) * | 1972-11-20 | 1974-08-06 | Tenneco Chem | N-(indazolyl-n1-methyl)dialkanolamines |
JPS5347052B2 (fi) * | 1974-01-05 | 1978-12-18 | ||
JPS50140333A (fi) * | 1974-04-27 | 1975-11-11 | ||
US3945865A (en) * | 1974-07-22 | 1976-03-23 | Dart Environment And Services Company | Metal dissolution process |
JPS549120A (en) * | 1977-06-24 | 1979-01-23 | Tokai Electro Chemical Co | Method of controlling acid cleaning liquid for stainless steel |
JPS5411027A (en) * | 1977-06-27 | 1979-01-26 | Seiko Instr & Electronics Ltd | Copper alloy chemical polishing solution |
DE2930442A1 (de) * | 1978-07-29 | 1980-02-07 | Furukawa Electric Co Ltd | Abwasserbehandlungsverfahren |
JPS568109A (en) * | 1979-07-03 | 1981-01-27 | Toshikazu Iwasaki | Reflecting telescope |
JPS5782480A (en) * | 1980-11-10 | 1982-05-22 | Nissan Chem Ind Ltd | Nitric acid pickling solution for metal |
FR2562097A1 (fr) * | 1984-03-28 | 1985-10-04 | Andritz Ag Maschf | Procede pour le decapage d'aciers allies, de cuivre, d'alliages de metaux lourds non-ferreux, de titane, de zirconium, de tantale, etc. au moyen de bains d'acide nitrique |
-
1986
- 1986-09-11 EP EP86850302A patent/EP0259533A1/en not_active Withdrawn
-
1987
- 1987-09-08 DE DE198787850272T patent/DE267166T1/de active Pending
- 1987-09-08 CA CA000546355A patent/CA1302050C/en not_active Expired - Lifetime
- 1987-09-08 EP EP87850272A patent/EP0267166B1/en not_active Expired - Lifetime
- 1987-09-08 DE DE8787850272T patent/DE3773120D1/de not_active Expired - Fee Related
- 1987-09-09 FI FI873906A patent/FI87890C/fi not_active IP Right Cessation
- 1987-09-10 NO NO873786A patent/NO173341C/no not_active IP Right Cessation
- 1987-09-10 US US07/094,808 patent/US4938838A/en not_active Expired - Lifetime
- 1987-09-10 JP JP62225435A patent/JPS63134683A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS63134683A (ja) | 1988-06-07 |
NO873786L (no) | 1988-03-14 |
EP0267166A2 (en) | 1988-05-11 |
NO873786D0 (no) | 1987-09-10 |
EP0267166A3 (en) | 1989-02-15 |
EP0259533A1 (en) | 1988-03-16 |
FI87890B (fi) | 1992-11-30 |
NO173341C (no) | 1993-12-01 |
FI873906A0 (fi) | 1987-09-09 |
EP0267166B1 (en) | 1991-09-18 |
DE267166T1 (de) | 1989-01-26 |
US4938838A (en) | 1990-07-03 |
NO173341B (no) | 1993-08-23 |
CA1302050C (en) | 1992-06-02 |
DE3773120D1 (de) | 1991-10-24 |
JPH0255509B2 (fi) | 1990-11-27 |
FI87890C (fi) | 1993-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: EKA NOBEL AB |