ATE54294T1 - Verfahren zur entfernung von cadmium aus sauren phosphathaltigen waesserigen loesungen. - Google Patents

Verfahren zur entfernung von cadmium aus sauren phosphathaltigen waesserigen loesungen.

Info

Publication number
ATE54294T1
ATE54294T1 AT87200760T AT87200760T ATE54294T1 AT E54294 T1 ATE54294 T1 AT E54294T1 AT 87200760 T AT87200760 T AT 87200760T AT 87200760 T AT87200760 T AT 87200760T AT E54294 T1 ATE54294 T1 AT E54294T1
Authority
AT
Austria
Prior art keywords
containing aqueous
cadmium
removal
aqueous solutions
phosphate containing
Prior art date
Application number
AT87200760T
Other languages
English (en)
Inventor
Tjay Tjien Tjioe
Duijn Simon Van
Paul Wey
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Application granted granted Critical
Publication of ATE54294T1 publication Critical patent/ATE54294T1/de

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
    • 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
    • C01B25/26—Phosphates
    • C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
    • C01B25/327—After-treatment
    • 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
    • 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)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Control Of El Displays (AREA)
AT87200760T 1986-04-29 1987-04-23 Verfahren zur entfernung von cadmium aus sauren phosphathaltigen waesserigen loesungen. ATE54294T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8601101A NL8601101A (nl) 1986-04-29 1986-04-29 Werkwijze voor het verwijderen van cadmium uit zure, fosfaathoudende waterige media.
EP87200760A EP0244021B1 (de) 1986-04-29 1987-04-23 Verfahren zur Entfernung von Cadmium aus sauren phosphathaltigen wässerigen Lösungen

Publications (1)

Publication Number Publication Date
ATE54294T1 true ATE54294T1 (de) 1990-07-15

Family

ID=19847957

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87200760T ATE54294T1 (de) 1986-04-29 1987-04-23 Verfahren zur entfernung von cadmium aus sauren phosphathaltigen waesserigen loesungen.

Country Status (15)

Country Link
US (1) US4806323A (de)
EP (1) EP0244021B1 (de)
AT (1) ATE54294T1 (de)
CA (1) CA1289726C (de)
DE (1) DE3763529D1 (de)
EG (1) EG18277A (de)
ES (1) ES2017087B3 (de)
FI (1) FI85448C (de)
GR (1) GR3000895T3 (de)
IL (1) IL82360A0 (de)
IN (1) IN169409B (de)
MA (1) MA20961A1 (de)
NL (1) NL8601101A (de)
TN (1) TNSN87061A1 (de)
ZA (1) ZA873037B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO164768C (no) * 1988-03-04 1990-11-14 Norsk Hydro As Fremgangsmaate for fjerning av tungmetaller, spesielt kadmium, fra fosforsyreholdige loesninger.
IT1248984B (it) * 1990-06-22 1995-02-11 Enichem Agricoltura Spa Procedimento per la eliminazione di cadmio da correnti di acido fosforico
IT1251686B (it) * 1991-10-11 1995-05-19 Agrimont Spa Processo per l'allontanamento del cadmio da soluzioni di acido fosforico.
US7731920B2 (en) 2005-06-03 2010-06-08 Brookhaven Science Associates System and method for separating tellurium from cadmium waste

Family Cites Families (4)

* 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
JPS5355495A (en) * 1976-10-29 1978-05-19 Toyo Soda Mfg Co Ltd Purifying method for wet process phosphoric acid
DE3218599A1 (de) * 1982-05-18 1983-12-01 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)0(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen
DE3330224A1 (de) * 1983-08-22 1985-03-14 Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim Verfahren zur entfernung von cadmium und zink aus sauren phosphat- und nitrathaltigen loesungen

Also Published As

Publication number Publication date
EP0244021A1 (de) 1987-11-04
FI85448B (fi) 1992-01-15
TNSN87061A1 (fr) 1990-01-01
EP0244021B1 (de) 1990-07-04
EG18277A (en) 1992-12-30
MA20961A1 (fr) 1987-12-31
US4806323A (en) 1989-02-21
DE3763529D1 (de) 1990-08-09
IL82360A0 (en) 1987-10-30
FI871867A0 (fi) 1987-04-28
ES2017087B3 (es) 1991-01-01
IN169409B (de) 1991-10-12
FI85448C (fi) 1992-04-27
CA1289726C (en) 1991-10-01
NL8601101A (nl) 1987-11-16
ZA873037B (en) 1987-10-21
FI871867A (fi) 1987-10-30
GR3000895T3 (en) 1991-11-15

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee