FI921862A0 - Foerfarande foer avlaegsning av kadmium av fosforsyraloesningar. - Google Patents

Foerfarande foer avlaegsning av kadmium av fosforsyraloesningar.

Info

Publication number
FI921862A0
FI921862A0 FI921862A FI921862A FI921862A0 FI 921862 A0 FI921862 A0 FI 921862A0 FI 921862 A FI921862 A FI 921862A FI 921862 A FI921862 A FI 921862A FI 921862 A0 FI921862 A0 FI 921862A0
Authority
FI
Finland
Prior art keywords
kadmium
fosforsyraloesningar
foerfarande foer
phosphoric acid
avlaegsning
Prior art date
Application number
FI921862A
Other languages
English (en)
Other versions
FI921862A (fi
Inventor
Gaetano Calicchio
Fabio Bassan
Norma Megumi Ito
Original Assignee
Enichem Agricoltura Spa
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 Enichem Agricoltura Spa filed Critical Enichem Agricoltura Spa
Publication of FI921862A0 publication Critical patent/FI921862A0/fi
Publication of FI921862A publication Critical patent/FI921862A/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G11/00—Compounds of cadmium
    • C01G11/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/237—Selective elimination of impurities
    • C01B25/238—Cationic impurities, e.g. arsenic compounds
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B17/00—Obtaining cadmium
    • C22B17/04—Obtaining cadmium by wet processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Removal Of Specific Substances (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Television Systems (AREA)
FI921862A 1991-10-11 1992-04-24 Foerfarande foer avlaegsning av kadium av fosforsyraloesningar FI921862A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT91MI2704 IT1251686B (it) 1991-10-11 1991-10-11 Processo per l'allontanamento del cadmio da soluzioni di acido fosforico.

Publications (2)

Publication Number Publication Date
FI921862A0 true FI921862A0 (fi) 1992-04-24
FI921862A FI921862A (fi) 1993-04-12

Family

ID=11360857

Family Applications (1)

Application Number Title Priority Date Filing Date
FI921862A FI921862A (fi) 1991-10-11 1992-04-24 Foerfarande foer avlaegsning av kadium av fosforsyraloesningar

Country Status (11)

Country Link
US (1) US5246681A (fi)
EP (1) EP0536466B1 (fi)
JP (1) JPH05213608A (fi)
AT (1) ATE132835T1 (fi)
CA (1) CA2067263A1 (fi)
DE (1) DE69207542D1 (fi)
FI (1) FI921862A (fi)
IL (1) IL101709A (fi)
IT (1) IT1251686B (fi)
OA (1) OA09581A (fi)
ZA (1) ZA923087B (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69932857T2 (de) * 1998-12-28 2007-03-01 Toyo Boseki K.K. Verfahren zur reinigung von phosphorsäure
CN100339299C (zh) * 1998-12-28 2007-09-26 东洋纺织株式会社 精制磷酸的方法
US7731920B2 (en) * 2005-06-03 2010-06-08 Brookhaven Science Associates System and method for separating tellurium from cadmium waste

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3306702A (en) * 1962-06-18 1967-02-28 Nalco Chemical Co Removal of metal salt contaminants from acidic aqueous liquids
JPS54133495A (en) * 1978-04-10 1979-10-17 Asahi Chem Ind Co Ltd Recovering method for liquid phase oxidation catalyst
US4511541A (en) * 1982-12-02 1985-04-16 J. R. Simplot Company Process for the recovery of cadmium and other metals from solution
NL8601101A (nl) * 1986-04-29 1987-11-16 Unie Van Kunstmestfab Bv Werkwijze voor het verwijderen van cadmium uit zure, fosfaathoudende waterige media.
US4877594A (en) * 1988-12-13 1989-10-31 J. R. Simplot Co. Purification of phosphoric acid

Also Published As

Publication number Publication date
JPH05213608A (ja) 1993-08-24
ZA923087B (en) 1993-04-28
FI921862A (fi) 1993-04-12
IT1251686B (it) 1995-05-19
IL101709A (en) 1995-12-31
EP0536466B1 (en) 1996-01-10
OA09581A (en) 1993-01-31
ITMI912704A0 (it) 1991-10-11
ITMI912704A1 (it) 1993-04-11
US5246681A (en) 1993-09-21
CA2067263A1 (en) 1993-04-12
EP0536466A1 (en) 1993-04-14
DE69207542D1 (de) 1996-02-22
ATE132835T1 (de) 1996-01-15

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Legal Events

Date Code Title Description
FD Application lapsed