BR9304577A - Integrated phosphoric acid purification process - Google Patents

Integrated phosphoric acid purification process

Info

Publication number
BR9304577A
BR9304577A BR9304577A BR9304577A BR9304577A BR 9304577 A BR9304577 A BR 9304577A BR 9304577 A BR9304577 A BR 9304577A BR 9304577 A BR9304577 A BR 9304577A BR 9304577 A BR9304577 A BR 9304577A
Authority
BR
Brazil
Prior art keywords
integrated
phosphoric acid
purification process
acid purification
phosphoric
Prior art date
Application number
BR9304577A
Other languages
Portuguese (pt)
Inventor
Joao De Brito
Original Assignee
Serrana Sa De Mineracao
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 Serrana Sa De Mineracao filed Critical Serrana Sa De Mineracao
Priority to BR9304577A priority Critical patent/BR9304577A/en
Publication of BR9304577A publication Critical patent/BR9304577A/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
    • C01B25/238—Cationic impurities, e.g. arsenic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
BR9304577A 1993-11-25 1993-11-25 Integrated phosphoric acid purification process BR9304577A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9304577A BR9304577A (en) 1993-11-25 1993-11-25 Integrated phosphoric acid purification process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9304577A BR9304577A (en) 1993-11-25 1993-11-25 Integrated phosphoric acid purification process

Publications (1)

Publication Number Publication Date
BR9304577A true BR9304577A (en) 1994-06-07

Family

ID=4057710

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9304577A BR9304577A (en) 1993-11-25 1993-11-25 Integrated phosphoric acid purification process

Country Status (1)

Country Link
BR (1) BR9304577A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113772646A (en) * 2021-09-30 2021-12-10 武汉工程大学 Wet-process phosphoric acid two-stage membrane deep purification process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113772646A (en) * 2021-09-30 2021-12-10 武汉工程大学 Wet-process phosphoric acid two-stage membrane deep purification process
CN113772646B (en) * 2021-09-30 2024-05-07 武汉工程大学 Wet-process phosphoric acid two-stage membrane deep purification process

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Legal Events

Date Code Title Description
CB Opposition filed

Free format text: COPEBRAS S/A.

CB Opposition filed

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HE Change of address
HC Change of name
HE Change of address
EG Technical examination (opinion): publication of technical examination (opinion)
FC Decision: refusal