KR970702819A - PROCESS FOR EXTRACTING OR RECOVERING ACIDS - Google Patents

PROCESS FOR EXTRACTING OR RECOVERING ACIDS

Info

Publication number
KR970702819A
KR970702819A KR1019960706291A KR19960706291A KR970702819A KR 970702819 A KR970702819 A KR 970702819A KR 1019960706291 A KR1019960706291 A KR 1019960706291A KR 19960706291 A KR19960706291 A KR 19960706291A KR 970702819 A KR970702819 A KR 970702819A
Authority
KR
South Korea
Prior art keywords
extracting
recovering acids
recovering
acids
Prior art date
Application number
KR1019960706291A
Other languages
Korean (ko)
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 filed Critical
Publication of KR970702819A publication Critical patent/KR970702819A/en

Links

Classifications

    • 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
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38—Nitric acid
    • C01B21/46—Purification; Separation ; Stabilisation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/34—Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of sprayed or atomised solutions
    • 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
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Treating Waste Gases (AREA)
KR1019960706291A 1995-03-07 1996-11-07 PROCESS FOR EXTRACTING OR RECOVERING ACIDS KR970702819A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0039595A AT412001B (en) 1995-03-07 1995-03-07 METHOD FOR RECOVERY OR RECOVERY OF ACIDS
PCT/AT1996/000042 WO1996027554A1 (en) 1995-03-07 1996-03-06 Process for extracting or recovering acids

Publications (1)

Publication Number Publication Date
KR970702819A true KR970702819A (en) 1997-06-10

Family

ID=3489470

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960706291A KR970702819A (en) 1995-03-07 1996-11-07 PROCESS FOR EXTRACTING OR RECOVERING ACIDS

Country Status (4)

Country Link
EP (1) EP0759011A1 (en)
KR (1) KR970702819A (en)
AT (1) AT412001B (en)
WO (1) WO1996027554A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0843025A1 (en) * 1996-11-15 1998-05-20 Keramchemie GmbH Process for regenerating used pickling solutions
AT406168B (en) * 1998-09-03 2000-03-27 Eurox Eisenoxydproduktions Und METHOD FOR RECOVERY OR Recovery of hydrofluoric acid and nitric acid
AT407757B (en) * 1999-03-22 2001-06-25 Andritz Patentverwaltung METHOD FOR RECOVERY OF ACIDS FROM METAL SOLUTIONS OF THESE ACIDS
US6692719B1 (en) * 2000-11-08 2004-02-17 Hatch Ltd. Process for regeneration of acid halide solutions
AT411900B (en) 2001-04-25 2004-07-26 Andritz Ag Maschf METHOD AND DEVICE FOR PRODUCING METAL OXIDS
AT413697B (en) * 2001-11-07 2006-05-15 Andritz Ag Maschf METHOD FOR TREATING ACIDIC WATER
DE10231308C5 (en) * 2002-07-10 2009-10-15 Cmi Uvk Gmbh Process and apparatus for recycling stainless steel pickling baths
ITBS20040093A1 (en) * 2004-09-03 2004-12-03 Ct Studi E Ricerche S R L METHOD OF TREATMENT OF AN EXHAUSTED PICKLING BATH.
AT508774B1 (en) 2010-04-20 2011-04-15 Key Technologies Ind Gmbh METHOD OF GAINING BZW. RECOVERY OF SALPETIC ACID AND FLUIC ACID FROM SOLUTIONS OF STAINLESS STEEL INSERTS
AT515104B1 (en) * 2014-03-04 2015-06-15 Michael Leonhartsberger Apparatus for the treatment of metal ion-containing solutions
CN107601605B (en) * 2017-10-20 2023-05-09 鞍山创鑫环保科技股份有限公司 Technology and system for improving yield of regenerated nitric acid from stainless steel pickling waste liquid
AT522594B1 (en) * 2019-09-03 2020-12-15 Conversion of metal salt solutions into liquid acids and solid metal oxides
AT522593B1 (en) * 2019-09-24 2020-12-15 Sustec Gmbh Recovery of acids and metals from dry salt compounds

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1311757A (en) * 1970-05-19 1973-03-28 Sued Chemie Ag Hydrogen halide production
AT335251B (en) * 1975-03-10 1977-03-10 Ruthner Industrieanlagen Ag METHOD AND DEVICE FOR THE RECOVERY OF NITRIC ACID AND FLUID ACID FROM SOLUTIONS
US4252602A (en) * 1978-10-04 1981-02-24 Ruthner Industrieanlagen-Aktiengesellschaft Apparatus for recovering nitric acid and hydrofluoric acid from solutions
AT376632B (en) * 1979-06-15 1984-12-10 Ruthner Industrieanlagen Ag METHOD AND SYSTEM FOR THE PRODUCTION OR RECOVERY OF HYDROCHLORIC ACID
AT374508B (en) * 1982-07-01 1984-05-10 Ruthner Industrieanlagen Ag METHOD FOR PROCESSING USED BEIZER OR CORROSIVE SOLUTIONS BASED ON SALPETER FLUORIC ACID
FI67409C (en) * 1983-01-25 1985-03-11 Outokumpu Oy FOERFARANDE FOER REGENERERING AV BETNINGSSYROR
AT395312B (en) * 1987-06-16 1992-11-25 Andritz Ag Maschf METHOD FOR RECOVERY OR RECOVERY OF ACID FROM METAL SOLUTIONS OF THIS ACID
BR9205481A (en) * 1991-11-22 1994-04-26 Tech Resources Pty Ltd Process and apparatus for forming an aqueous chloride bleach
DE4315551C2 (en) * 1993-05-10 2003-01-16 Gewerk Keramchemie Process for the regeneration of spent solutions containing metal salts and / or metal oxides, in particular lactic acids

Also Published As

Publication number Publication date
ATA39595A (en) 1997-03-15
EP0759011A1 (en) 1997-02-26
WO1996027554A1 (en) 1996-09-12
AT412001B (en) 2004-08-26

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application