IT1084025B - Procedimento per ricuperare acido solforico e acido cloridrico esausti - Google Patents

Procedimento per ricuperare acido solforico e acido cloridrico esausti

Info

Publication number
IT1084025B
IT1084025B IT21023/77A IT2102377A IT1084025B IT 1084025 B IT1084025 B IT 1084025B IT 21023/77 A IT21023/77 A IT 21023/77A IT 2102377 A IT2102377 A IT 2102377A IT 1084025 B IT1084025 B IT 1084025B
Authority
IT
Italy
Prior art keywords
procedure
hydrochloric acid
acid
sulfuric acid
recover
Prior art date
Application number
IT21023/77A
Other languages
English (en)
Original Assignee
Solex Res Corp Japan
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
Priority claimed from JP2522376A external-priority patent/JPS52108396A/ja
Priority claimed from JP3302976A external-priority patent/JPS52115796A/ja
Priority claimed from JP11859876A external-priority patent/JPS5343691A/ja
Application filed by Solex Res Corp Japan filed Critical Solex Res Corp Japan
Application granted granted Critical
Publication of IT1084025B publication Critical patent/IT1084025B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
    • C25C1/06—Electrolytic production, recovery or refining of metals by electrolysis of solutions or iron group metals, refractory metals or manganese
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
    • C01B17/902—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids by dialysis
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
    • C01B17/903—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids by liquid-liquid extraction
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0009—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • C01G49/06—Ferric oxide [Fe2O3]
    • 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
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/09—Reaction techniques
    • Y10S423/14—Ion exchange; chelation or liquid/liquid ion extraction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
IT21023/77A 1976-03-09 1977-03-08 Procedimento per ricuperare acido solforico e acido cloridrico esausti IT1084025B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2522376A JPS52108396A (en) 1976-03-09 1976-03-09 Recovery process for waste hydrochloric acid
JP3302976A JPS52115796A (en) 1976-03-25 1976-03-25 Recovery process for waste acid containing iron
JP11859876A JPS5343691A (en) 1976-10-04 1976-10-04 Recovery process for hydrochloric acid

Publications (1)

Publication Number Publication Date
IT1084025B true IT1084025B (it) 1985-05-25

Family

ID=27284940

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21023/77A IT1084025B (it) 1976-03-09 1977-03-08 Procedimento per ricuperare acido solforico e acido cloridrico esausti

Country Status (7)

Country Link
US (1) US4113588A (it)
CA (1) CA1123373A (it)
DE (1) DE2710328C2 (it)
FR (1) FR2343695A1 (it)
GB (1) GB1576280A (it)
IT (1) IT1084025B (it)
SE (1) SE440239B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284608A (en) * 1977-07-18 1981-08-18 American Electronic Laboratories, Inc. Process for regenerating sulfur dioxide gas scrubbing solutions
FR2418773A1 (fr) * 1978-03-02 1979-09-28 Thann & Mulhouse Procede d'utilisation de sulfate ferreux dans la fabrication de bioxyde de titane pigmentaire par la voix sulfurique
GB1602404A (en) * 1978-04-06 1981-11-11 Ibm Electroplating of chromium
US4221765A (en) * 1979-02-16 1980-09-09 Amax Inc. Purification of nickel chloride solutions
US4437968A (en) 1980-09-10 1984-03-20 Zerpol Corporation Boiler apparatus
DE3546112A1 (de) * 1984-12-24 1987-06-25 Hoelter Heinz Simultane so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-abscheidung durch einsatz einer elektrolyse unter beachtung der leitfaehigkeit der waschloesung
DE3540973A1 (de) * 1984-12-24 1987-05-21 Hoelter Heinz Simultane so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-abscheidung bei rauchgasen, die mit hohem no(pfeil abwaerts)x(pfeil abwaerts) und hcl belastet sind
SE452481B (sv) * 1985-03-19 1987-11-30 Korrosionsforskning Ab Forfarande for regenerering av betbad samt regenererbar losning for betning av jern- och stalforemal
DE3525013A1 (de) * 1985-07-12 1987-01-15 Fraunhofer Ges Forschung Verfahren zur entfernung von eisenkationen aus einer anodenfluessigkeit
JPS62188791A (ja) * 1986-02-15 1987-08-18 Nishimura Watanabe Chiyuushiyutsu Kenkyusho:Kk Ｎｉ，Ｃｏ，Ｚｎ，Ｃｕ，Ｍｎ及びＣｒの電解採取方法
DE3618769C1 (en) * 1986-06-04 1991-11-21 Markus Dr-Ing Bringmann Apparatus for the continuous electrolytic regeneration of an at least partially exhausted acidic iron(III) chloride solution used for etching metals
EP0298763A3 (en) * 1987-07-08 1990-01-10 Solex Research Corporation of Japan Method for recovering titanium
JP2650065B2 (ja) * 1989-08-21 1997-09-03 ペルメレック電極株式会社 硫酸の回収方法
IT1282979B1 (it) * 1996-05-09 1998-04-03 Novamax Itb S R L Procedimento per il decapaggio dell'acciaio nel quale la ossidazione dello ione ferroso formatosi viene effettuata per via elettrochimica
DE19829592C1 (de) * 1998-07-02 1999-12-09 Umweltanalytisches Zentrum Gro Verfahren zur Aufbereitung metallhaltiger Mineralsäuren
RU2149221C1 (ru) * 1999-03-15 2000-05-20 Нижегородский государственный технический университет Способ регенерации отработанных растворов, содержащих серную кислоту
US20020005210A1 (en) * 2000-01-05 2002-01-17 Olsen Douglas R. Regenerating spent pickling liquor
BE1015840A3 (fr) * 2003-12-24 2005-10-04 Ecophos Procede d'attaque de minerai de phosphate.
US7611588B2 (en) * 2004-11-30 2009-11-03 Ecolab Inc. Methods and compositions for removing metal oxides
BRPI0911653B1 (pt) * 2008-04-11 2019-07-30 François Cardarelli Processo eletroquímico para a recuperação de valores de ferro metálico e de ácido sulfúrico a partir de resíduos de sulfato ricos em ferro, resíduos de mineração e líquidos de decapagem
CN104204300B (zh) * 2012-03-30 2019-06-14 阿克佐诺贝尔化学国际公司 有机铁盐水溶液的稳定化
JP2024512059A (ja) 2021-03-24 2024-03-18 エレクトラスティール インコーポレイテッド ２段階鉄変換システム
CN116606978B (zh) * 2023-03-24 2025-09-09 中国恩菲工程技术有限公司 一种盐酸溶液中高浓度铁离子的提纯方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1954664A (en) * 1932-10-24 1934-04-10 John R Cain Electrolytic process for the regeneration of pickle liquor
US2748071A (en) * 1951-08-30 1956-05-29 Technograph Printed Circuits L Apparatus for regeneration of etching media
US3394060A (en) * 1965-02-19 1968-07-23 Ellwood S. Douglas Process for electrolytically regenerating ferric chloride etching solutions
US3795727A (en) * 1968-09-19 1974-03-05 Kanto Denka Kogyo Kk Process for recovering pure aqueous solution of ferric chloride and aqueous solution of metal chlorides free of ferric chloride
US3764503A (en) * 1972-01-19 1973-10-09 Dart Ind Inc Electrodialysis regeneration of metal containing acid solutions
SE364187B (it) * 1972-01-24 1974-02-18 Stora Kopparbergs Bergslags Ab
US3788915A (en) * 1972-02-09 1974-01-29 Shipley Co Regeneration of spent etchant
US3788959A (en) * 1972-05-05 1974-01-29 Sybron Corp Electrodialytic recovery of acid and insoluble products from spent liquors
US3823081A (en) * 1972-12-18 1974-07-09 Kettering Scient Res Inc Acid mine water treatment process
FR2273082B1 (it) * 1974-05-28 1978-03-31 Seprac
GB1474944A (en) * 1974-05-30 1977-05-25 Thorsen G Process for extraction and separation of metals using liquid cation exchangers
FR2277895A1 (fr) * 1974-07-10 1976-02-06 Nickel Le Procede pour la production de valeurs metalliques a partir de ferro-nickel
US3969207A (en) * 1975-03-05 1976-07-13 Licencia Talalmanyokat Ertekesito Vallalat Method for the cyclic electrochemical processing of sulfuric acid-containing pickle waste liquors

Also Published As

Publication number Publication date
FR2343695A1 (fr) 1977-10-07
FR2343695B1 (it) 1980-02-29
CA1123373A (en) 1982-05-11
DE2710328C2 (de) 1986-01-09
US4113588A (en) 1978-09-12
SE7702585L (sv) 1977-09-10
DE2710328A1 (de) 1977-09-15
GB1576280A (en) 1980-10-08
SE440239B (sv) 1985-07-22

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