[go: up one dir, main page]

SE8400120D0 - Sett att regenerera betningssyra - Google Patents

Sett att regenerera betningssyra

Info

Publication number
SE8400120D0
SE8400120D0 SE8400120A SE8400120A SE8400120D0 SE 8400120 D0 SE8400120 D0 SE 8400120D0 SE 8400120 A SE8400120 A SE 8400120A SE 8400120 A SE8400120 A SE 8400120A SE 8400120 D0 SE8400120 D0 SE 8400120D0
Authority
SE
Sweden
Prior art keywords
salt
acid
produced
h2so4
crystallized
Prior art date
Application number
SE8400120A
Other languages
English (en)
Other versions
SE8400120L (sv
SE459665B (sv
Inventor
S I Blomqvist
K-H Lindroos
M T Saarela
T T Koivunen
H J Pouru
S P Fugleberg
B G Nyman
Original Assignee
Outokumpu Oy
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 Outokumpu Oy filed Critical Outokumpu Oy
Publication of SE8400120D0 publication Critical patent/SE8400120D0/sv
Publication of SE8400120L publication Critical patent/SE8400120L/sv
Publication of SE459665B publication Critical patent/SE459665B/sv

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00Compounds of iron
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00Compounds of chromium
    • C01G37/02Oxides or hydrates thereof
    • 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Compounds Of Iron (AREA)
SE8400120A 1983-01-25 1984-01-11 Saett att regenerera betningssyror SE459665B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI830239A FI67409C (fi) 1983-01-25 1983-01-25 Foerfarande foer regenerering av betningssyror

Publications (3)

Publication Number Publication Date
SE8400120D0 true SE8400120D0 (sv) 1984-01-11
SE8400120L SE8400120L (sv) 1984-07-26
SE459665B SE459665B (sv) 1989-07-24

Family

ID=8516647

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8400120A SE459665B (sv) 1983-01-25 1984-01-11 Saett att regenerera betningssyror

Country Status (12)

Country Link
US (1) US4526650A (sv)
JP (1) JPS59137302A (sv)
KR (1) KR910006789B1 (sv)
AT (1) AT380903B (sv)
BR (1) BR8400371A (sv)
CA (1) CA1214382A (sv)
DE (1) DE3402320A1 (sv)
FI (1) FI67409C (sv)
FR (1) FR2539763B1 (sv)
GB (1) GB2134095B (sv)
SE (1) SE459665B (sv)
ZA (1) ZA84160B (sv)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS646835U (sv) * 1987-07-01 1989-01-13
DE3728693A1 (de) * 1987-08-27 1989-03-09 Wacker Chemitronic Verfahren und vorrichtung zum aetzen von halbleiteroberflaechen
US5076884A (en) * 1990-07-19 1991-12-31 Westinghouse Electric Corp. Process of precipitating zirconium or hafnium from spent pickling solutions
US5082523A (en) * 1990-11-19 1992-01-21 Westinghouse Electric Corp. Process of regenerating spent HF-HNO3 pickle acid containing (ZrF6-2
US5500098A (en) * 1993-08-05 1996-03-19 Eco-Tec Limited Process for regeneration of volatile acids
US5632866A (en) * 1994-01-12 1997-05-27 Fsi International, Inc. Point-of-use recycling of wafer cleaning substances
US6294145B1 (en) * 1994-11-08 2001-09-25 Texas Instruments Incorporated Piranha etch preparation having long shelf life and method of making same
AT412001B (de) * 1995-03-07 2004-08-26 Edv Systemanalyse Und Systemde Verfahren zur gewinnung bzw. rückgewinnung von säuren
EP0795628B1 (en) * 1996-03-14 2001-05-23 CONDOROIL IMPIANTI s.r.l. Pickling of stainless steels while continuously reoxidizing catalytically the pickling solution
AT407757B (de) * 1999-03-22 2001-06-25 Andritz Patentverwaltung Verfahren zur rückgewinnung von säuren aus metallhaltigen lösungen dieser säuren
JP4635527B2 (ja) * 2004-09-08 2011-02-23 三菱化学エンジニアリング株式会社 フッ酸の回収方法
JP4581618B2 (ja) * 2004-10-14 2010-11-17 三菱化学エンジニアリング株式会社 フッ酸の回収方法
AT522594B1 (de) * 2019-09-03 2020-12-15 Umwandlung von Metallsaizösungen in flüssige Säuren und feste Metalloxide
CN112875964A (zh) * 2021-01-25 2021-06-01 山东中能环保科技股份有限公司 含金属铁铬镍酸洗废水的处理及再生利用方法
CN112875961A (zh) * 2021-01-25 2021-06-01 山东中能环保科技股份有限公司 含金属铁铬镍酸洗废水的处理及再生利用系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB889279A (en) * 1958-02-04 1962-02-14 Willy Glaser Improvements in and relating to heat transfer operations and equipment for these purposes
US2993757A (en) * 1958-07-07 1961-07-25 Crucible Steel Co America Process for recovering acid values from mixed acid waste
GB1119236A (en) * 1965-06-24 1968-07-10 Chemical Construction Corp A method for the recovery of iron salts and sulphonic acid from spent pickle liquors
SE351444B (sv) * 1970-11-03 1972-11-27 Nordstjernan Rederi Ab
US3840646A (en) * 1972-05-17 1974-10-08 Fuji Kasui Eng Co Ltd Process for recovering nitric acid from waste pickle liquor solution
AT337721B (de) * 1974-04-22 1977-07-11 Industrial Resources Verfahren zur herstellung umweltfreundlicher wasserunloslicher sulfat/sulfit-verbindungen des natriums oder ammoniums
AT335251B (de) * 1975-03-10 1977-03-10 Ruthner Industrieanlagen Ag Verfahren und vorrichtung zur wiedergewinnung von salpetersaure und flusssaure aus losungen
US4252602A (en) * 1978-10-04 1981-02-24 Ruthner Industrieanlagen-Aktiengesellschaft Apparatus for recovering nitric acid and hydrofluoric acid from solutions
FI58519C (fi) * 1978-12-07 1981-02-10 Rosenlew Ab Oy W Foerfarande foer regenerering av betningssyror
SU876791A1 (ru) * 1979-11-11 1981-10-30 Уральский Научно-Исследовательский Институт Трубной Промышленности (Уралнити) Способ регенерации азотно-плавикового травильного раствора

Also Published As

Publication number Publication date
JPS59137302A (ja) 1984-08-07
GB8401940D0 (en) 1984-02-29
GB2134095A (en) 1984-08-08
FI830239A0 (fi) 1983-01-25
ZA84160B (en) 1984-09-26
KR910006789B1 (ko) 1991-09-02
KR840007449A (ko) 1984-12-07
US4526650A (en) 1985-07-02
SE8400120L (sv) 1984-07-26
SE459665B (sv) 1989-07-24
CA1214382A (en) 1986-11-25
FI67409B (fi) 1984-11-30
FR2539763A1 (fr) 1984-07-27
FR2539763B1 (fr) 1987-02-27
BR8400371A (pt) 1984-08-28
FI67409C (fi) 1985-03-11
ATA22684A (de) 1985-12-15
JPS634637B2 (sv) 1988-01-29
FI830239L (fi) 1984-07-26
DE3402320A1 (de) 1984-07-26
DE3402320C2 (sv) 1989-12-21
GB2134095B (en) 1986-08-28
AT380903B (de) 1986-07-25

Similar Documents

Publication Publication Date Title
SE8400120D0 (sv) Sett att regenerera betningssyra
DE2807862B2 (de) Verfahren zur Herstellung sehr reiner Tonerde
US4193970A (en) Process for the precipitation of iron as jarosite
US2977191A (en) Anhydrous colorless phosphates
DE3371192D1 (en) Method for producing silica
US2193092A (en) Recovery of vanadium
ES471032A1 (es) Un procedimiento para el tratamiento de soluciones acuosas de acido sulfurico, que contienen sulfato ferroso disuelto
DE3261009D1 (en) A method for recovering useful products from waste products obtained when manufacturing aluminium fluoride
US2719075A (en) Purification of alkali metal sulfite liquors
US1544114A (en) Process of recovering pure lithium salts
GB2004469A (en) Sulphuric acid concentration
US1784950A (en) Process of producing chromic acid
JPS5521541A (en) Process for purifying waste phosphoric acid used in chemicial grinding
ES441720A1 (es) Procedimiento para tratar una solucion de una sal o sales metalicas en acido sulfurico acuoso.
JPS57156328A (en) Recovery of substantially radium-free calcium sulfate, yttrium and lanthanide and products thereby
US1845876A (en) Process for the production of alumina and alkali phosphates
US2311202A (en) Process of regeneration of an absorption liquid consisting of basic aluminium sulphate for the recovery of sulphur dioxide
ES455122A1 (es) Procedimiento para la obtencion de alumina de pureza meta- lurgica.
US1656660A (en) Process of making beryllium and aluminum oxides
DE665236C (de) Verarbeitung von Aluminiumerzen
DE435488C (de) Herstellung von reinem Zinkoxyd
DE547695C (de) Herstellung von Tonerde unter gleichzeitiger Gewinnung von Salzsaeure und Alkaliverbindungen
JPS565327A (en) Preparation of high purity alkali chromate
DE745859C (de) Verfahren zur Wiedergewinnung von Thorium aus thoriumhaltigen Hydrierkatalysatoren
DE536888C (de) Verfahren zur Reinigung konzentrierter Natronlauge von Natriumchlorid

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8400120-5

Format of ref document f/p: F

NUG Patent has lapsed