MA52146A1 - Procédé d'élimination du cadmium et d'autres métaux et impuretés dans des matériaux contenant du phosphate - Google Patents

Procédé d'élimination du cadmium et d'autres métaux et impuretés dans des matériaux contenant du phosphate

Info

Publication number
MA52146A1
MA52146A1 MA52146A MA52146A MA52146A1 MA 52146 A1 MA52146 A1 MA 52146A1 MA 52146 A MA52146 A MA 52146A MA 52146 A MA52146 A MA 52146A MA 52146 A1 MA52146 A1 MA 52146A1
Authority
MA
Morocco
Prior art keywords
impurities
metals
materials containing
containing phosphate
removing cadmium
Prior art date
Application number
MA52146A
Other languages
English (en)
Inventor
Jamal Chaouki
Mai Attia
Sherif Farag
Original Assignee
Jamal Chaouki
Mai Attia
Sherif Farag
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 Jamal Chaouki, Mai Attia, Sherif Farag filed Critical Jamal Chaouki
Publication of MA52146A1 publication Critical patent/MA52146A1/fr

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
    • C01B25/01—Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • 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
    • C01B25/12—Oxides of phosphorus
    • 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
    • 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
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Abstract

La présente invention concerne un procédé d'élimination de métaux et d'autres impuretés dans un matériau contenant du phosphate, consistant à amener le matériau à réagir avec un agent d'élimination de métal qui comprend un composé organophosphoré. Le procédé peut être intégré à des installations existantes de transport et/ou de stockage de matériaux contenant du phosphate.
MA52146A 2018-06-30 2019-06-28 Procédé d'élimination du cadmium et d'autres métaux et impuretés dans des matériaux contenant du phosphate MA52146A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862692669P 2018-06-30 2018-06-30
PCT/CA2019/050904 WO2020000110A1 (fr) 2018-06-30 2019-06-28 Procédé d'élimination du cadmium et d'autres métaux et impuretés dans des matériaux contenant du phosphate

Publications (1)

Publication Number Publication Date
MA52146A1 true MA52146A1 (fr) 2021-12-31

Family

ID=68985340

Family Applications (1)

Application Number Title Priority Date Filing Date
MA52146A MA52146A1 (fr) 2018-06-30 2019-06-28 Procédé d'élimination du cadmium et d'autres métaux et impuretés dans des matériaux contenant du phosphate

Country Status (11)

Country Link
US (1) US20210269310A1 (fr)
CN (1) CN112930321A (fr)
BR (1) BR112020026948A2 (fr)
CA (1) CA3123497A1 (fr)
IL (1) IL279840A (fr)
MA (1) MA52146A1 (fr)
PE (1) PE20211004A1 (fr)
PL (1) PL436667A1 (fr)
TN (1) TN2020000255A1 (fr)
WO (1) WO2020000110A1 (fr)
ZA (1) ZA202100303B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114849659A (zh) * 2022-05-27 2022-08-05 湖南大学 一种去除水中重金属镉和磷酸盐的镧铁负载壳聚糖微球吸附剂的制备方法及应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4511541A (en) * 1982-12-02 1985-04-16 J. R. Simplot Company Process for the recovery of cadmium and other metals from solution
US20040179984A1 (en) * 2003-03-13 2004-09-16 Nagaraj D. R. Process for removing metal impurities from wet process phosphoric acid and compositions thereof
CN101367513B (zh) * 2008-09-28 2011-08-31 四川大学 磷酸钒锂的制备方法
CN102225890B (zh) * 2011-04-30 2013-11-20 湖北浩元材料科技有限公司 一种用于磷酸铁锂材料生产的电池级草酸亚铁制造方法
CN102312101B (zh) * 2011-08-22 2013-09-04 同济大学 一种处理飞灰中重金属的萃取剂及其萃取重金属的方法
US10173897B2 (en) * 2016-05-10 2019-01-08 Guiqing Huang Method of synthesizing phosphate salt of high purity

Also Published As

Publication number Publication date
PL436667A1 (pl) 2022-01-10
CN112930321A (zh) 2021-06-08
IL279840A (en) 2021-03-01
ZA202100303B (en) 2022-07-27
US20210269310A1 (en) 2021-09-02
PE20211004A1 (es) 2021-06-01
CA3123497A1 (fr) 2020-01-02
BR112020026948A2 (pt) 2021-03-30
TN2020000255A1 (en) 2022-07-01
WO2020000110A1 (fr) 2020-01-02

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