DE68916292D1 - Verfahren zur Entfernung von Schwermetallionen aus Phosphorsäure. - Google Patents

Verfahren zur Entfernung von Schwermetallionen aus Phosphorsäure.

Info

Publication number
DE68916292D1
DE68916292D1 DE68916292T DE68916292T DE68916292D1 DE 68916292 D1 DE68916292 D1 DE 68916292D1 DE 68916292 T DE68916292 T DE 68916292T DE 68916292 T DE68916292 T DE 68916292T DE 68916292 D1 DE68916292 D1 DE 68916292D1
Authority
DE
Germany
Prior art keywords
phosphoric acid
sulfide
metal ions
heavy metal
adsorbent
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE68916292T
Other languages
English (en)
Inventor
Shmuel D Ukeles
Eliahu Ben-Yoseph
Nahum Phillip Finkelstein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IMI Tami Institute for Research and Development Ltd
Original Assignee
IMI Tami Institute for Research and Development Ltd
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 IMI Tami Institute for Research and Development Ltd filed Critical IMI Tami Institute for Research and Development Ltd
Application granted granted Critical
Publication of DE68916292D1 publication Critical patent/DE68916292D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
    • C01B25/225—Dihydrate process
    • 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
    • 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
    • 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
    • C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
    • C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
    • C22B3/385—Thiophosphoric acids, or esters thereof
    • 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)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Removal Of Specific Substances (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • ing And Chemical Polishing (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture And Refinement Of Metals (AREA)
DE68916292T 1988-03-16 1989-03-16 Verfahren zur Entfernung von Schwermetallionen aus Phosphorsäure. Expired - Lifetime DE68916292D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL85751A IL85751A (en) 1988-03-16 1988-03-16 Method for the removal of heavy metal ions from phosphoric acid

Publications (1)

Publication Number Publication Date
DE68916292D1 true DE68916292D1 (de) 1994-07-28

Family

ID=11058667

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68916292T Expired - Lifetime DE68916292D1 (de) 1988-03-16 1989-03-16 Verfahren zur Entfernung von Schwermetallionen aus Phosphorsäure.

Country Status (8)

Country Link
EP (1) EP0333489B1 (de)
JP (1) JPH0214803A (de)
AT (1) ATE107607T1 (de)
AU (1) AU612009B2 (de)
DE (1) DE68916292D1 (de)
IL (1) IL85751A (de)
NO (1) NO891149L (de)
ZA (1) ZA891917B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6756496B1 (en) * 1988-09-23 2004-06-29 Isis Pharmaceuticals, Inc. Nucleoside hydrogen phosphonodithioate diesters and activated phosphonodithioate analogues
IT1248984B (it) * 1990-06-22 1995-02-11 Enichem Agricoltura Spa Procedimento per la eliminazione di cadmio da correnti di acido fosforico
TNSN92119A1 (fr) * 1992-02-07 1993-06-08 Ct D Etudes Et De Rech S Des Phosphates Mineraux Cerphos Procede de fabrication d'acide phosphorique marchand a tres basse teneur en cadmium
PH31603A (en) * 1994-03-22 1998-11-03 Goro Nickels S A Process for the extraction and separation of nickel and/or cobalt.
US7146900B1 (en) * 2005-06-03 2006-12-12 Nambu Co., Ltd. Composite operation type actuator
WO2008113403A1 (fr) * 2007-03-06 2008-09-25 Centre D'etudes Et De Recherches Des Phosphates Mineraux Procede de traitement de solides cadmiferes
WO2014027348A1 (en) * 2012-08-16 2014-02-20 Rotem Amfert Negev Ltd. Process for manufacturing phosphoric acid with lowered cadmium content
CN103588188B (zh) * 2013-11-08 2016-03-23 清华大学 一种用氨气从负载磷酸的有机溶剂中脱除杂质离子的方法
CN104495772A (zh) * 2014-12-31 2015-04-08 瓮福达州化工有限责任公司 一种复合型脱色剂及其应用
CN105366654B (zh) * 2015-12-02 2017-07-28 云南磷化集团有限公司 一种非磷酸盐沉淀湿法磷酸净化方法
CN106145075B (zh) * 2016-06-30 2018-08-21 四川大学 生产高品质磷酸的联合萃取方法
LU100464B1 (en) * 2017-09-29 2019-03-29 Cppe Carbon Process & Plant Eng S A Process for the removal of heavy metals from liquids
ES2927875T3 (es) * 2017-10-08 2022-11-11 Cytec Ind Inc Procedimientos para eliminar metales pesados de soluciones de ácido fosfórico
CN111100648A (zh) * 2019-12-13 2020-05-05 广东环境保护工程职业学院 一种重金属复合稳定剂及其制备方法和应用
CN113955731B (zh) * 2021-12-08 2024-03-01 昆明云盘山农牧科技有限公司 一种含有颗粒状饲料级磷酸二氢钙制备方法
CN115340077B (zh) * 2022-07-22 2024-05-03 承德莹科精细化工股份有限公司 一种高纯度磷酸镧的制备方法
WO2024047228A1 (en) 2022-09-02 2024-03-07 Cytec Industries Inc. Reagents and processes for removing heavy metals from phosphoric acid solutions
WO2024105263A1 (en) 2022-11-17 2024-05-23 Cytec Industries Inc. Compositions and processes for removing heavy metals from phosphoric acid containing streams

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3202658A1 (de) * 1982-01-28 1983-08-04 Hoechst Ag, 6230 Frankfurt Verfahren zur entfernung von schwermetallionen aus nassverfahrensphosphorsaeure
US4511541A (en) * 1982-12-02 1985-04-16 J. R. Simplot Company Process for the recovery of cadmium and other metals from solution
DE3434611A1 (de) * 1984-09-21 1986-04-03 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von phosphorsaeure
US4721605A (en) * 1985-07-24 1988-01-26 American Cyanamid Company Selective removal of metals from aqueous solutions with dithiophosphinic acids

Also Published As

Publication number Publication date
AU3138289A (en) 1989-09-21
NO891149D0 (no) 1989-03-16
EP0333489B1 (de) 1994-06-22
NO891149L (no) 1989-09-18
IL85751A0 (en) 1988-08-31
EP0333489A3 (en) 1989-11-02
AU612009B2 (en) 1991-06-27
ATE107607T1 (de) 1994-07-15
IL85751A (en) 1991-12-15
EP0333489A2 (de) 1989-09-20
JPH0214803A (ja) 1990-01-18
ZA891917B (en) 1989-11-29

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Legal Events

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8332 No legal effect for de