FI68668C - Foerfarande foer regenerering av betbadloesningar - Google Patents

Foerfarande foer regenerering av betbadloesningar Download PDF

Info

Publication number
FI68668C
FI68668C FI812817A FI812817A FI68668C FI 68668 C FI68668 C FI 68668C FI 812817 A FI812817 A FI 812817A FI 812817 A FI812817 A FI 812817A FI 68668 C FI68668 C FI 68668C
Authority
FI
Finland
Prior art keywords
solution
pickling
acid
iron
temperature
Prior art date
Application number
FI812817A
Other languages
English (en)
Finnish (fi)
Other versions
FI812817L (fi
FI68668B (fi
Inventor
Bo Gustaf 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

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/36Regeneration 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)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Television Signal Processing For Recording (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
SE8100007 1981-01-16
PCT/SE1981/000007 WO1981002026A1 (en) 1980-01-18 1981-01-16 A method of regenerating pickling bath solutions

Publications (3)

Publication Number Publication Date
FI812817L FI812817L (fi) 1981-09-10
FI68668B FI68668B (fi) 1985-06-28
FI68668C true 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS56501886A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE7050T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3163015D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI68668C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1981002026A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* 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
ES2291576T5 (es) * 2003-10-06 2012-05-17 Kerr-Mcgee Pigments Gmbh Procedimiento para la regeneración de ácido sulfúrico usado contaminado con hierro
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1947-06-25
BE518181A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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
DE3163015D1 (en) 1984-05-17
EP0032886B1 (en) 1984-04-11
WO1981002026A1 (en) 1981-07-23
FI812817L (fi) 1981-09-10
ATE7050T1 (de) 1984-04-15
FI68668B (fi) 1985-06-28
EP0032886A1 (en) 1981-07-29
JPS56501886A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-12-24

Similar Documents

Publication Publication Date Title
RU2495827C2 (ru) Способ регенерации оксида железа и хлористоводородной кислоты
US4013430A (en) Process for regenerating absorbing solution used for exhaust gas purification
FI68668C (fi) Foerfarande foer regenerering av betbadloesningar
Anderez et al. Acid pickling of carbon steel
US9752238B2 (en) Method and formulations for removing rust and scale from steel and for regenerating pickling liquor in hot-dip galvanization process
US20030026746A1 (en) Regenerating spent pickling liquor
WO2021074904A1 (en) Process for the regeneration of hydrochloric acid pickle liquors
CN109022792A (zh) 待处理靶材的处理方法
Hudson Pickling and descaling
US7351391B1 (en) System and method for converting the spent remnants of a first pickling acid solution into a usable second pickling acid solution
DE4122920A1 (de) Verfahren zum regenerieren salzsaurer beizloesungen
CA1100283A (en) Removal of undesirable metal ions in the concentration of dilute sulfuric acid solutions containing iron (ii) sulfate
FI68865B (fi) Foerfarande foer pyrning av jaern och jaernlegeringar med syraoch en blandning foer utfoerande av foerfarandet
US5603839A (en) Process for the recovery of waste sulphuric acid
JPH11322343A (ja) 塩化鉄の硫酸塩転換と塩基性硫酸第二鉄製造の方法
Niecko Recovery of ferrous sulfate and sulfuric acid from spent pickle liquor of the steel industry
WO2000006487A1 (en) Process for the concentration of dilute sulphuric acid solutions
ES2239900B1 (es) Proceso de recuperacion de acido clorhidrico de baños agotados de decapado de metales mediante la sustitucion por desplazamiento con acido sulfurico produciendo sulfatos de hierro y de cinc.
WO2025057051A1 (en) Acid regeneration process for pickling process
Lazăr et al. Researches on possibility to recover and reuse the iron (ii) sulphate from etching of rolled steels
JPS5988325A (ja) 硫酸廃液の処理方法
JPH01156429A (ja) 連続焼鈍冷延鋼板の冷却処理方法
JPS61108696A (ja) コ−クスの脱リン処理方法

Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: BOLIDEN AKTIEBOLAG