ATE150559T1 - Kontrollverfahren mit hilfe des redox-potentiales - Google Patents

Kontrollverfahren mit hilfe des redox-potentiales

Info

Publication number
ATE150559T1
ATE150559T1 AT90850422T AT90850422T ATE150559T1 AT E150559 T1 ATE150559 T1 AT E150559T1 AT 90850422 T AT90850422 T AT 90850422T AT 90850422 T AT90850422 T AT 90850422T AT E150559 T1 ATE150559 T1 AT E150559T1
Authority
AT
Austria
Prior art keywords
redox potential
set value
control method
value
addition
Prior art date
Application number
AT90850422T
Other languages
English (en)
Inventor
Ivan Dalin
Troy Berglind
Original Assignee
Eka Chemicals Ab
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
Application filed by Eka Chemicals Ab filed Critical Eka Chemicals Ab
Application granted granted Critical
Publication of ATE150559T1 publication Critical patent/ATE150559T1/de

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
    • 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
    • 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
    • B01D53/346—Controlling the process
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Gyroscopes (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Laser Surgery Devices (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Materials For Photolithography (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Saccharide Compounds (AREA)
  • Fuel Cell (AREA)
AT90850422T 1990-01-17 1990-12-20 Kontrollverfahren mit hilfe des redox-potentiales ATE150559T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9000166A SE9000166L (sv) 1990-01-17 1990-01-17 Redoxreglering

Publications (1)

Publication Number Publication Date
ATE150559T1 true ATE150559T1 (de) 1997-04-15

Family

ID=20378274

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90850422T ATE150559T1 (de) 1990-01-17 1990-12-20 Kontrollverfahren mit hilfe des redox-potentiales

Country Status (9)

Country Link
US (1) US5154906A (de)
EP (1) EP0442250B1 (de)
AT (1) ATE150559T1 (de)
CA (1) CA2034037C (de)
DE (1) DE69030248T2 (de)
ES (1) ES2099092T3 (de)
FI (1) FI100365B (de)
NO (1) NO303553B1 (de)
SE (1) SE9000166L (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606950A3 (de) * 1993-01-13 1995-07-12 Eastman Kodak Co Verfahren zur Reaktionsgeschwindigkeitsmessung von Analyten.
JP3150615B2 (ja) * 1996-06-28 2001-03-26 三菱重工業株式会社 排煙脱硫処理における酸化制御方法
EP0885985A1 (de) * 1997-05-05 1998-12-23 Akzo Nobel N.V. Verfahren zur Metallbehandlung
US5958147A (en) * 1997-05-05 1999-09-28 Akzo Nobel N.V. Method of treating a metal
DE19844179B4 (de) * 1998-09-28 2004-08-19 Usf Wallace & Tiernan Gmbh Verfahren zum Einstellen der Zugabe von Desinfektionsmittel zu Wasser
FR2954177B1 (fr) * 2009-12-23 2012-02-03 Inst Francais Du Petrole Methode de determination d'un taux de charge en gaz acide dans une solution absorbante et son application a un suivi d'un procede de desacidification
FR2967778A1 (fr) * 2010-11-24 2012-05-25 Total Raffinage Marketing Procede et dispositif de regulation de la demande en air d'unites merox extractif
FR2990630B1 (fr) * 2012-05-15 2014-12-26 Lab Sa Procede et installation de captation de polluants fortement oxydants dans un flux gazeux par voie humide

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1280412A (en) * 1970-09-01 1972-07-05 Chemcut Corp Regenerating device
JPS549120A (en) * 1977-06-24 1979-01-23 Tokai Electro Chemical Co Method of controlling acid cleaning liquid for stainless steel
DE2930442A1 (de) * 1978-07-29 1980-02-07 Furukawa Electric Co Ltd Abwasserbehandlungsverfahren
US4341747A (en) * 1978-08-15 1982-07-27 Fmc Corporation Process of removing nitrogen oxides from gaseous mixtures
DE2917714C2 (de) * 1979-05-02 1983-12-22 Degussa Ag, 6000 Frankfurt Verfahren zur Messung mit Redox- oder ionensensitiven Elektroden
JPS58174579A (ja) * 1982-04-07 1983-10-13 Kawasaki Steel Corp 金属の硝酸処理におけるｎｏｘガス発生抑制方法
EP0259533A1 (de) * 1986-09-11 1988-03-16 Eka Nobel Aktiebolag Verfahren zur Verminderung der Stickstoffoxidemission aus Salpetersäure enthaltenden Lösungen
CH673409A5 (de) * 1987-07-09 1990-03-15 Escher Wyss Gmbh
US4886552A (en) * 1988-09-09 1989-12-12 United Technologies Corporation Method for monitoring the removal of a metallic contaminant from the surface of a metallic article

Also Published As

Publication number Publication date
FI910192A7 (fi) 1991-07-18
CA2034037C (en) 1999-01-12
DE69030248T2 (de) 1997-06-26
DE69030248D1 (de) 1997-04-24
ES2099092T3 (es) 1997-05-16
EP0442250A3 (en) 1994-06-01
SE9000166D0 (sv) 1990-01-17
FI100365B (fi) 1997-11-14
NO910171L (no) 1991-07-18
FI910192A0 (fi) 1991-01-14
CA2034037A1 (en) 1991-07-18
EP0442250B1 (de) 1997-03-19
NO303553B1 (no) 1998-07-27
US5154906A (en) 1992-10-13
NO910171D0 (no) 1991-01-15
SE9000166L (sv) 1991-07-18
EP0442250A2 (de) 1991-08-21

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties