FI812817L - Foerfarande foer regenerering av betbadloesningar - Google Patents

Foerfarande foer regenerering av betbadloesningar

Info

Publication number
FI812817L
FI812817L FI812817A FI812817A FI812817L FI 812817 L FI812817 L FI 812817L FI 812817 A FI812817 A FI 812817A FI 812817 A FI812817 A FI 812817A FI 812817 L FI812817 L FI 812817L
Authority
FI
Finland
Prior art keywords
solution
acid
iron
pickling
stage
Prior art date
Application number
FI812817A
Other languages
English (en)
Other versions
FI68668C (fi
FI68668B (fi
Inventor
Bo Gustav Valter Hedenaes
Rune John Valdemar Niklasson
Peter Emanuel Nobel
Kerstin Severina Holmkvist
Original Assignee
Boliden 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 Boliden Ab filed Critical Boliden Ab
Publication of FI812817L publication Critical patent/FI812817L/fi
Application granted granted Critical
Publication of FI68668B publication Critical patent/FI68668B/fi
Publication of FI68668C publication Critical patent/FI68668C/fi

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
    • C23G1/36—Regeneration of waste pickling liquors

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)
  • Television Signal Processing For Recording (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FI812817A 1980-01-18 1981-09-10 Foerfarande foer regenerering av betbadloesningar FI68668C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8000444 1980-01-18
SE8000444 1980-01-18
PCT/SE1981/000007 WO1981002026A1 (en) 1980-01-18 1981-01-16 A method of regenerating pickling bath solutions
SE8100007 1981-01-16

Publications (3)

Publication Number Publication Date
FI812817L true FI812817L (fi) 1981-09-10
FI68668B FI68668B (fi) 1985-06-28
FI68668C FI68668C (fi) 1985-10-10

Family

ID=20340024

Family Applications (1)

Application Number Title Priority Date Filing Date
FI812817A FI68668C (fi) 1980-01-18 1981-09-10 Foerfarande foer regenerering av betbadloesningar

Country Status (6)

Country Link
EP (1) EP0032886B1 (fi)
JP (1) JPS56501886A (fi)
AT (1) ATE7050T1 (fi)
DE (1) DE3163015D1 (fi)
FI (1) FI68668C (fi)
WO (1) WO1981002026A1 (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3422284A1 (de) * 1983-08-17 1985-03-07 Georg Fischer AG, Schaffhausen, CH, Niederlassung: Georg Fischer AG, 7700 Singen Verbindungsglied, insbesondere pleuel oder schaekel
SE452481B (sv) * 1985-03-19 1987-11-30 Korrosionsforskning Ab Forfarande for regenerering av betbad samt regenererbar losning for betning av jern- och stalforemal
NL9302035A (nl) * 1993-11-24 1995-06-16 Piet De Vries Beitswerkwijze en een inrichting daarvoor.
US5591527A (en) * 1994-11-02 1997-01-07 Minnesota Mining And Manufacturing Company Optical security articles and methods for making same
US20020005210A1 (en) * 2000-01-05 2002-01-17 Olsen Douglas R. Regenerating spent pickling liquor
CN103014737A (zh) * 2011-09-22 2013-04-03 河南红日锂能源科技有限公司 一种冷轧钢酸洗废酸处理方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU152603A3 (fi) * 1900-01-01
US1279331A (en) * 1918-05-11 1918-09-17 James H Gravell Pickling iron and steel.
US1589610A (en) * 1925-07-08 1926-06-22 American Copperas Company Method of reclaiming spent pickling solutions
DE561514C (de) * 1929-10-22 1932-10-14 Ferdinand Fraensemeier Verfahren zur Behandlung schwefelsaurer Eisenbeizablaugen mit Gewinnung von wasserarmem Eisensulfat
FR723484A (fr) * 1931-08-03 1932-04-09 Zahn & Co G M B H Procédé d'utilisation, en cycle continu, des lessives de décapage à acide sulfurique avec récupération de l'acide sulfurique libre des solutions de décapage finales
US2118802A (en) * 1936-01-30 1938-05-31 Zahn & Co G M B H Method of conserving pickling liquor
US2155854A (en) * 1937-05-26 1939-04-25 American Rolling Mill Co Pickling process
US2559445A (en) * 1946-12-12 1951-07-03 Union Switch & Signal Co Method for removing scale from steel
BE483353A (fi) * 1947-06-25
LU32047A1 (fi) * 1952-03-13
DE1124781B (de) * 1958-03-31 1962-03-01 Peter Niedner Dipl Ing Verfahren zum Aufarbeiten von schwefelsauren Eisenbeizlaugen
AT247104B (de) * 1963-09-02 1966-05-25 Othmar Ing Ruthner Verfahren zum Regenerieren salzsaurer Eisenbeizen
GB1102463A (en) * 1963-12-13 1968-02-07 Molbros Ltd Improvements in or relating to a process for the treatment of spent acid liquors
DE1621580A1 (de) * 1966-07-14 1971-05-13 Gewerk Keramchemie Verfahren und Vorrichtung zur kontinuierlichen Ausscheidung des Eisens aus schwefelsauren Beizbaedern
US3635664A (en) * 1969-08-20 1972-01-18 Daido Chem Eng Corp REGENERATION OF HYDROCHLORIC ACID PICKLING WASTE BY H{11 SO{11 {0 ADDITION, DISTILLATION AND FeSO{11 {0 Precipitation
DE2209954A1 (de) * 1972-03-02 1973-09-06 Helmut Babbel Verfahren und vorrichtung zur aufbereitung einer abfallbeize

Also Published As

Publication number Publication date
FI68668C (fi) 1985-10-10
JPS56501886A (fi) 1981-12-24
EP0032886B1 (en) 1984-04-11
ATE7050T1 (de) 1984-04-15
WO1981002026A1 (en) 1981-07-23
EP0032886A1 (en) 1981-07-29
DE3163015D1 (en) 1984-05-17
FI68668B (fi) 1985-06-28

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: BOLIDEN AKTIEBOLAG