IL101709A - Removal of cadmium from solutions of phosphoric acid - Google Patents

Removal of cadmium from solutions of phosphoric acid

Info

Publication number
IL101709A
IL101709A IL10170992A IL10170992A IL101709A IL 101709 A IL101709 A IL 101709A IL 10170992 A IL10170992 A IL 10170992A IL 10170992 A IL10170992 A IL 10170992A IL 101709 A IL101709 A IL 101709A
Authority
IL
Israel
Prior art keywords
cadmium
phosphoric acid
solutions
removal
solution
Prior art date
Application number
IL10170992A
Other languages
English (en)
Hebrew (he)
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 IL101709A publication Critical patent/IL101709A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G11/00Compounds of cadmium
    • C01G11/003Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration
    • C01B25/237Selective elimination of impurities
    • C01B25/238Cationic impurities, e.g. arsenic compounds
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B17/00Obtaining cadmium
    • C22B17/04Obtaining cadmium by wet processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/42Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working 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
    • 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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)
  • Television Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
IL10170992A 1991-10-11 1992-04-28 Removal of cadmium from solutions of phosphoric acid IL101709A (en)

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 (1)

Publication Number Publication Date
IL101709A true IL101709A (en) 1995-12-31

Family

ID=11360857

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10170992A IL101709A (en) 1991-10-11 1992-04-28 Removal of cadmium from solutions of phosphoric acid

Country Status (11)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000040507A1 (fr) * 1998-12-28 2000-07-13 Toyo Boseki Kabushiki Kaisha Procede de purification de l'acide phosphorique et acide polyphosphorique de grande purete
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
ITMI912704A1 (it) 1993-04-11
US5246681A (en) 1993-09-21
CA2067263A1 (en) 1993-04-12
FI921862A (fi) 1993-04-12
ZA923087B (en) 1993-04-28
IT1251686B (it) 1995-05-19
JPH05213608A (ja) 1993-08-24
ITMI912704A0 (it) 1991-10-11
ATE132835T1 (de) 1996-01-15
FI921862A0 (fi) 1992-04-24
EP0536466A1 (de) 1993-04-14
EP0536466B1 (de) 1996-01-10
OA09581A (en) 1993-01-31
DE69207542D1 (de) 1996-02-22

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Legal Events

Date Code Title Description
FF Patent granted
RH Patent void