FI58519C - Foerfarande foer regenerering av betningssyror - Google Patents

Foerfarande foer regenerering av betningssyror Download PDF

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Publication number
FI58519C
FI58519C FI783773A FI783773A FI58519C FI 58519 C FI58519 C FI 58519C FI 783773 A FI783773 A FI 783773A FI 783773 A FI783773 A FI 783773A FI 58519 C FI58519 C FI 58519C
Authority
FI
Finland
Prior art keywords
acid
sulfuric acid
condenser
passed
column
Prior art date
Application number
FI783773A
Other languages
English (en)
Finnish (fi)
Other versions
FI58519B (fi
FI783773A (fi
Inventor
Juhani Eevertti Puurunen
Original Assignee
Rosenlew Ab Oy W
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 Rosenlew Ab Oy W filed Critical Rosenlew Ab Oy W
Priority to FI783773A priority Critical patent/FI58519C/fi
Priority to GB7941413A priority patent/GB2036573A/en
Priority to DE19792948710 priority patent/DE2948710A1/de
Priority to FR7930013A priority patent/FR2443516A1/fr
Priority to SE7910062A priority patent/SE7910062L/xx
Priority to AT0773779A priority patent/AT367102B/de
Priority to US06/101,184 priority patent/US4255407A/en
Publication of FI783773A publication Critical patent/FI783773A/fi
Publication of FI58519B publication Critical patent/FI58519B/fi
Application granted granted Critical
Publication of FI58519C publication Critical patent/FI58519C/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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00Chemistry of inorganic compounds
    • Y10S423/01Waste acid containing iron

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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FI783773A 1978-12-07 1978-12-07 Foerfarande foer regenerering av betningssyror FI58519C (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI783773A FI58519C (fi) 1978-12-07 1978-12-07 Foerfarande foer regenerering av betningssyror
GB7941413A GB2036573A (en) 1978-12-07 1979-11-30 Regeneration of pickling acids
DE19792948710 DE2948710A1 (de) 1978-12-07 1979-12-04 Verfahren zum regenerieren von beizsaeure
FR7930013A FR2443516A1 (fr) 1978-12-07 1979-12-06 Procede pour regenerer des acides de picklage
SE7910062A SE7910062L (sv) 1978-12-07 1979-12-06 Forfarande for regenerering av betningssyror
AT0773779A AT367102B (de) 1978-12-07 1979-12-06 Verfahren und vorrichtung zur regenerierung von beizsaeuren
US06/101,184 US4255407A (en) 1978-12-07 1979-12-07 Method for the regeneration of pickling acids

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI783773A FI58519C (fi) 1978-12-07 1978-12-07 Foerfarande foer regenerering av betningssyror
FI783773 1978-12-07

Publications (3)

Publication Number Publication Date
FI783773A FI783773A (fi) 1980-06-08
FI58519B FI58519B (fi) 1980-10-31
FI58519C true FI58519C (fi) 1981-02-10

Family

ID=8512211

Family Applications (1)

Application Number Title Priority Date Filing Date
FI783773A FI58519C (fi) 1978-12-07 1978-12-07 Foerfarande foer regenerering av betningssyror

Country Status (7)

Country Link
US (1) US4255407A (de)
AT (1) AT367102B (de)
DE (1) DE2948710A1 (de)
FI (1) FI58519C (de)
FR (1) FR2443516A1 (de)
GB (1) GB2036573A (de)
SE (1) SE7910062L (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10526684B2 (en) 2017-10-20 2020-01-07 Crisolteq Ltd Process for recovering components from pickling acid residue

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI67409C (fi) * 1983-01-25 1985-03-11 Outokumpu Oy Foerfarande foer regenerering av betningssyror
AT395312B (de) * 1987-06-16 1992-11-25 Andritz Ag Maschf Verfahren zur gewinnung bzw. rueckgewinnung von saeure aus metallhaltigen loesungen dieser saeure
US5219531A (en) * 1988-04-29 1993-06-15 Atochem Production of concentrated aqueous solutions of ferric chloride
US5037545A (en) * 1989-02-27 1991-08-06 Billmyre Richard D Liquid recovery system and method
US4894170A (en) * 1989-02-27 1990-01-16 Billmyre Richard D Liquid recovery system and method
US5076884A (en) * 1990-07-19 1991-12-31 Westinghouse Electric Corp. Process of precipitating zirconium or hafnium from spent pickling solutions
US5500098A (en) * 1993-08-05 1996-03-19 Eco-Tec Limited Process for regeneration of volatile acids
US5417955A (en) * 1994-03-01 1995-05-23 Connolly; David W. Manufacture of ferric sulfate and hydrochloric acid from ferrous chloride
FR2729676B1 (fr) * 1995-01-24 1997-04-11 Zircotube Procede et dispositif de regeneration d'une solution usagee de decapage d'elements en alliage de zirconium
AT403665B (de) * 1996-10-30 1998-04-27 Andritz Patentverwaltung Verfahren und anlage zur abscheidung feinster oxidteilchen
AT407757B (de) * 1999-03-22 2001-06-25 Andritz Patentverwaltung Verfahren zur rückgewinnung von säuren aus metallhaltigen lösungen dieser säuren
US20040094236A1 (en) * 2002-11-14 2004-05-20 Crown Technology, Inc. Methods for passivating stainless steel
IT1393792B1 (it) * 2008-11-06 2012-05-08 Condoroil Impianti Srl Recupero di metalli e acidi da soluzioni esauste di decapaggio e/o da fanghi di neutralizzazione
IL200860A (en) 2009-09-10 2015-07-30 Green Future Ltd Galvanic wastewater treatment and the production of iron oxide sized nanoparticles
CN104512870B (zh) * 2013-10-07 2016-08-10 东莞市东旺化玻仪器有限公司 电镀挂具勾脱重金属废硝酸回用装置以及回用方法
CN106460137B (zh) 2014-04-22 2019-08-16 泰尔生态有限公司 用于在热浸镀锌工艺中从钢去除锈和氧化皮以及用于使酸洗液再生的方法和制剂
CN107419284A (zh) * 2017-09-18 2017-12-01 滁州富达机械电子有限公司 一种应用于金属酸洗废气温度补偿净化收集系统
FI129345B (en) 2019-12-19 2021-12-15 Crisolteq Ltd A method for treating a pickling acid regeneration precipitate

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1832853A (en) * 1928-10-26 1931-11-24 Hercules Powder Co Ltd Method and apparatus for denitrating acid mixtures and concentrating acid mixtures
US2993757A (en) * 1958-07-07 1961-07-25 Crucible Steel Co America Process for recovering acid values from mixed acid waste
DE1182834B (de) * 1962-12-17 1964-12-03 Robert Von Linde Verfahren zur Aufarbeitung von Buntmetallabfaellen
US3787306A (en) * 1971-10-20 1974-01-22 Cationic Corp Process for the concurrent recovery of acid and metal values from spent pickle acid containing the same
US3840646A (en) * 1972-05-17 1974-10-08 Fuji Kasui Eng Co Ltd Process for recovering nitric acid from waste pickle liquor solution
AT335251B (de) * 1975-03-10 1977-03-10 Ruthner Industrieanlagen Ag Verfahren und vorrichtung zur wiedergewinnung von salpetersaure und flusssaure aus losungen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10526684B2 (en) 2017-10-20 2020-01-07 Crisolteq Ltd Process for recovering components from pickling acid residue

Also Published As

Publication number Publication date
ATA773779A (de) 1981-10-15
GB2036573A (en) 1980-07-02
US4255407A (en) 1981-03-10
FR2443516A1 (fr) 1980-07-04
FI58519B (fi) 1980-10-31
FI783773A (fi) 1980-06-08
FR2443516B3 (de) 1982-09-24
DE2948710A1 (de) 1980-06-19
AT367102B (de) 1982-06-11
SE7910062L (sv) 1980-06-08

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Owner name: OY W. ROSENLEW AB