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OA09773A - "Process for the production of merchantable phosporic acid with a very low cadmium content". - Google Patents

"Process for the production of merchantable phosporic acid with a very low cadmium content".

Info

Publication number
OA09773A
OA09773A OA60336A OA60336A OA09773A OA 09773 A OA09773 A OA 09773A OA 60336 A OA60336 A OA 60336A OA 60336 A OA60336 A OA 60336A OA 09773 A OA09773 A OA 09773A
Authority
OA
OAPI
Prior art keywords
merchantable
production
cadmium content
low cadmium
phosporic acid
Prior art date
Application number
OA60336A
Other languages
French (fr)
Inventor
M Mustapha Ghayor
M Mohamed Smani
Original Assignee
Cerphos Phosphates Minereaux
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 Cerphos Phosphates Minereaux filed Critical Cerphos Phosphates Minereaux
Publication of OA09773A publication Critical patent/OA09773A/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
    • C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Luminescent Compositions (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Battery Electrode And Active Subsutance (AREA)
OA60336A 1992-02-07 1993-02-05 "Process for the production of merchantable phosporic acid with a very low cadmium content". OA09773A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MA22703 1992-02-07

Publications (1)

Publication Number Publication Date
OA09773A true OA09773A (en) 1993-11-30

Family

ID=32322468

Family Applications (1)

Application Number Title Priority Date Filing Date
OA60336A OA09773A (en) 1992-02-07 1993-02-05 "Process for the production of merchantable phosporic acid with a very low cadmium content".

Country Status (6)

Country Link
DZ (1) DZ1656A1 (en)
ES (1) ES2065837B1 (en)
FR (1) FR2687657B1 (en)
JO (1) JO1739B1 (en)
OA (1) OA09773A (en)
TN (1) TNSN92119A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1317183C (en) * 2005-12-23 2007-05-23 中国石化集团南京设计院 Process for producing wet method phosphoric acid by medium low grade phosphorus mine
PL2132347T3 (en) * 2007-03-06 2011-12-30 Centre Detudes Et De Rech Des Phosphates Mineraux Method for the treatment of cadmium-bearing solids
CN102826530A (en) * 2012-09-25 2012-12-19 灵山县骄丰化工有限公司 Method for co-producing calcium hydrogen phosphate and calcium superphosphate by using high calcium siliceous low-graded phosphate ore
FR3117476B1 (en) 2020-12-10 2023-04-21 Ocp Sa INTEGRATED PHOSPHORIC ACID DECADMIATION PROCESS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452770A (en) * 1981-12-14 1984-06-05 United States Gypsum Company Phosphoanhydrite process
NL8601846A (en) * 1986-07-15 1988-02-01 Stamicarbon METHOD FOR REMOVING HEAVY METALS FROM ACID PHOSPHATE-CONTAINING AQUEOUS MEDIA.
IL85751A (en) * 1988-03-16 1991-12-15 Negev Phosphates Ltd Method for the removal of heavy metal ions from phosphoric acid
FR2649391B1 (en) * 1989-07-04 1991-10-31 Pierre Becker PROCESS FOR TREATING PHOSPHORIC ACID TO ELIMINATE SOME HEAVY METALS

Also Published As

Publication number Publication date
ES2065837A1 (en) 1995-02-16
TNSN92119A1 (en) 1993-06-08
ES2065837B1 (en) 1995-10-01
FR2687657B1 (en) 1996-03-08
FR2687657A1 (en) 1993-08-27
JO1739B1 (en) 1993-06-15
DZ1656A1 (en) 2002-02-17

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