MA64281B1 - A new selective method for treating industrial phosphoric acid to remove sulfate. - Google Patents

A new selective method for treating industrial phosphoric acid to remove sulfate.

Info

Publication number
MA64281B1
MA64281B1 MA64281A MA64281A MA64281B1 MA 64281 B1 MA64281 B1 MA 64281B1 MA 64281 A MA64281 A MA 64281A MA 64281 A MA64281 A MA 64281A MA 64281 B1 MA64281 B1 MA 64281B1
Authority
MA
Morocco
Prior art keywords
phosphoric acid
treating industrial
industrial phosphoric
selective method
new selective
Prior art date
Application number
MA64281A
Other languages
French (fr)
Other versions
MA64281A1 (en
Inventor
Said Gmouh
Mina Bakasse
Badreddine HATIMI
Hamid Nasrellah
Said JEBBARI
Mohamed OMARI
SIR Houssine AIT
Najoua Labjar
Mohamed Salah
Original Assignee
Universite Chouaïb Doukkali
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 Universite Chouaïb Doukkali filed Critical Universite Chouaïb Doukkali
Priority to MA64281A priority Critical patent/MA64281B1/en
Publication of MA64281A1 publication Critical patent/MA64281A1/en
Publication of MA64281B1 publication Critical patent/MA64281B1/en

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
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/237—Selective elimination of impurities
    • C01B25/2372—Anionic impurities, e.g. silica or boron compounds
    • C01B25/2377—Sulfate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

The invention relates to a new method for treating industrial phosphoric acid. This method involves the use of two chemical compounds, namely barium chloride and cyclohexanediaminetetraacetic acid (COTA), to remove sulfates from phosphoric acid.
MA64281A 2024-02-23 2024-02-23 A new selective method for treating industrial phosphoric acid to remove sulfate. MA64281B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MA64281A MA64281B1 (en) 2024-02-23 2024-02-23 A new selective method for treating industrial phosphoric acid to remove sulfate.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MA64281A MA64281B1 (en) 2024-02-23 2024-02-23 A new selective method for treating industrial phosphoric acid to remove sulfate.

Publications (2)

Publication Number Publication Date
MA64281A1 MA64281A1 (en) 2025-08-29
MA64281B1 true MA64281B1 (en) 2025-11-28

Family

ID=96945730

Family Applications (1)

Application Number Title Priority Date Filing Date
MA64281A MA64281B1 (en) 2024-02-23 2024-02-23 A new selective method for treating industrial phosphoric acid to remove sulfate.

Country Status (1)

Country Link
MA (1) MA64281B1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5297390A (en) * 1976-02-13 1977-08-16 Toyo Soda Mfg Co Ltd Removal of sulfate ion in phosphoric acid
MA44420A1 (en) * 2018-12-27 2020-10-28 Univ Chouaib Doukkali Improvement of the production cycle of industrial phosphoric acid: reduction of fouling of concentrators by optimal desulfation of phosphoric acid
CN116216672A (en) * 2022-12-16 2023-06-06 贵州芭田生态工程有限公司 A method for removing sulfate radicals in the process of preparing phosphoric acid
WO2023126349A1 (en) * 2021-12-27 2023-07-06 Prayon Method for purification of at least one aqueous solution of phosphoric acid

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5297390A (en) * 1976-02-13 1977-08-16 Toyo Soda Mfg Co Ltd Removal of sulfate ion in phosphoric acid
MA44420A1 (en) * 2018-12-27 2020-10-28 Univ Chouaib Doukkali Improvement of the production cycle of industrial phosphoric acid: reduction of fouling of concentrators by optimal desulfation of phosphoric acid
WO2023126349A1 (en) * 2021-12-27 2023-07-06 Prayon Method for purification of at least one aqueous solution of phosphoric acid
CN116216672A (en) * 2022-12-16 2023-06-06 贵州芭田生态工程有限公司 A method for removing sulfate radicals in the process of preparing phosphoric acid

Also Published As

Publication number Publication date
MA64281A1 (en) 2025-08-29

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