IL85751A - Method for the removal of heavy metal ions from phosphoric acid - Google Patents

Method for the removal of heavy metal ions from phosphoric acid

Info

Publication number
IL85751A
IL85751A IL85751A IL8575188A IL85751A IL 85751 A IL85751 A IL 85751A IL 85751 A IL85751 A IL 85751A IL 8575188 A IL8575188 A IL 8575188A IL 85751 A IL85751 A IL 85751A
Authority
IL
Israel
Prior art keywords
phosphoric acid
sulfide
metal ions
heavy metal
adsorbent
Prior art date
Application number
IL85751A
Other languages
English (en)
Other versions
IL85751A0 (en
Inventor
D Ukeles Shmuel
Ben-Yoseph Eliahu
Phillip Finkelstein Nahum
Original Assignee
Negev Phosphates 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 Negev Phosphates Ltd filed Critical Negev Phosphates Ltd
Priority to IL85751A priority Critical patent/IL85751A/xx
Publication of IL85751A0 publication Critical patent/IL85751A0/xx
Priority to ZA891917A priority patent/ZA891917B/xx
Priority to AU31382/89A priority patent/AU612009B2/en
Priority to NO89891149A priority patent/NO891149L/no
Priority to EP89302625A priority patent/EP0333489B1/fr
Priority to AT89302625T priority patent/ATE107607T1/de
Priority to JP1062329A priority patent/JPH0214803A/ja
Priority to DE68916292T priority patent/DE68916292D1/de
Publication of IL85751A publication Critical patent/IL85751A/xx

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)
  • Manufacture And Refinement Of Metals (AREA)
  • Processing Of Solid Wastes (AREA)
IL85751A 1988-03-16 1988-03-16 Method for the removal of heavy metal ions from phosphoric acid IL85751A (en)

Priority Applications (8)

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
ZA891917A ZA891917B (en) 1988-03-16 1989-03-14 Process for the removal of heavy metal ions from phosphoric acid
AU31382/89A AU612009B2 (en) 1988-03-16 1989-03-15 Process for the removal of heavy metal ions from phosphoric acid
NO89891149A NO891149L (no) 1988-03-16 1989-03-16 Fremgangsmaate til fjerning av kadmium og kobber fra fosforsyre.
EP89302625A EP0333489B1 (fr) 1988-03-16 1989-03-16 Procédé d'élimination d'ions de métaux lourds d'acide phosphorique
AT89302625T ATE107607T1 (de) 1988-03-16 1989-03-16 Verfahren zur entfernung von schwermetallionen aus phosphorsäure.
JP1062329A JPH0214803A (ja) 1988-03-16 1989-03-16 リン酸より重金属イオンを除去する方法
DE68916292T DE68916292D1 (de) 1988-03-16 1989-03-16 Verfahren zur Entfernung von Schwermetallionen aus Phosphorsäure.

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 (2)

Publication Number Publication Date
IL85751A0 IL85751A0 (en) 1988-08-31
IL85751A true IL85751A (en) 1991-12-15

Family

ID=11058667

Family Applications (1)

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

Country Status (8)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103588188A (zh) * 2013-11-08 2014-02-19 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

Families Citing this family (20)

* 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
EP2132347B1 (fr) * 2007-03-06 2011-06-01 Centre D'etudes Et De Recherches Des Phosphates Mineraux Procede de traitement de solides cadmiferes
WO2014027348A1 (fr) * 2012-08-16 2014-02-20 Rotem Amfert Negev Ltd. Procédé de fabrication d'acide phosphorique à teneur en cadmium réduite
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
CN120019023A (zh) 2022-09-02 2025-05-16 塞特工业公司 用于从磷酸溶液中去除重金属的试剂和方法
CN120322408A (zh) 2022-11-17 2025-07-15 塞特工业公司 用于从含磷酸的流中去除重金属的组合物和方法
FR3148788A1 (fr) * 2023-05-16 2024-11-22 Universite Mohammed VI Polytechnique Procédé de valorisation de métaux compris dans une solution d’acide phosphorique
EP4727891A1 (fr) 2023-06-15 2026-04-22 Cytec Industries Inc. Élimination de métaux lourds d'un flux contenant de l'acide phosphorique
CN117945369B (zh) * 2024-02-02 2026-04-17 瓮福（集团）有限责任公司 一种去除湿法磷酸中金属和重金属离子的方法

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103588188A (zh) * 2013-11-08 2014-02-19 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
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

Also Published As

Publication number Publication date
IL85751A0 (en) 1988-08-31
ATE107607T1 (de) 1994-07-15
EP0333489B1 (fr) 1994-06-22
AU3138289A (en) 1989-09-21
NO891149L (no) 1989-09-18
JPH0214803A (ja) 1990-01-18
EP0333489A3 (en) 1989-11-02
ZA891917B (en) 1989-11-29
AU612009B2 (en) 1991-06-27
DE68916292D1 (de) 1994-07-28
NO891149D0 (no) 1989-03-16
EP0333489A2 (fr) 1989-09-20

Similar Documents

Publication Publication Date Title
IL85751A (en) Method for the removal of heavy metal ions from phosphoric acid
CA2012266A1 (fr) Traitement de l'eau
DK151089A (da) Fremgangsmaade til rensning af spildevand med et stort indhold af ammoniumioner
PL326289A1 (en) Method of purifying dimethyl sulphoxide (dmso) and purified dmso
IL83181A (en) Process for the removal of heavy metals from acid,phosphate-containing,aqueous media
DE3365775D1 (en) A process to manufacture commercially acceptable phosphoric acid and gypsum from rock phosphate
DE3360724D1 (en) Process for removing heavy metal ions and arsenic from wet-process phosphoric acid
ZA836220B (en) Process for the selective dissolution of lead from mixed minerals containing zinc
JPS5771697A (en) Method for treatment of phosphate-containing sludge
JPS5581782A (en) Treatment method for flue gas desulfurization waste water
ES8304450A1 (es) Un metodo para regenerar una resina de intercambio cationico.
SU1204577A1 (ru) Способ очистки сточных вод вискозных производств
RU93040943A (ru) Способ извлечения фосфора из шлама
SU1054295A1 (ru) Способ извлечени фосфора из шлама
Korenowski et al. Waste treatment of fluoroborate solutions
FR2712582B1 (fr) Procédé de traitement d'une liqueur résiduaire produite dans l'industrie agroalimentaire.
SU887461A1 (ru) Способ очистки экстракционной фосфорной кислоты от фтора
JPS5339971A (en) Treating method for aged solution of chromium plating
SU1439088A1 (ru) Способ очистки сточных вод,содержащих аммиак,от меди
SU1051046A1 (ru) Способ получени фосфорной кислоты
JPS5554087A (en) Removing method for phosphoric acid in liquid
JPS5367675A (en) Treating method for regeneration waste solution formed in ion exchange
JPS54109070A (en) Deodorizing method for malodorous gas
CS257618B1 (cs) Způsob odstraňování amoniaku a sulfidů z vody
Ashikhmina et al. Purification From Arsenic of a Neutralised Copper Refining Electrolyte and the Quality of the Copper Sulphate Produced

Legal Events

Date Code Title Description
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees