FR2286105A1 - Procede pour l'elimination des composes indesirables de l'acide phosphorique - Google Patents

Procede pour l'elimination des composes indesirables de l'acide phosphorique

Info

Publication number
FR2286105A1
FR2286105A1 FR7529236A FR7529236A FR2286105A1 FR 2286105 A1 FR2286105 A1 FR 2286105A1 FR 7529236 A FR7529236 A FR 7529236A FR 7529236 A FR7529236 A FR 7529236A FR 2286105 A1 FR2286105 A1 FR 2286105A1
Authority
FR
France
Prior art keywords
phosphoric acid
impurities
oxidising
wet process
brew
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR7529236A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ORNELAS BOLADO JOSE
Original Assignee
ORNELAS BOLADO JOSE
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 ORNELAS BOLADO JOSE filed Critical ORNELAS BOLADO JOSE
Publication of FR2286105A1 publication Critical patent/FR2286105A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/46Preparation involving solvent-solvent extraction
    • C01B25/461Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/22Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/234Purification; Stabilisation; Concentration
    • C01B25/235Clarification; Stabilisation to prevent post-precipitation of dissolved impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Removal Of Specific Substances (AREA)
FR7529236A 1974-09-24 1975-09-24 Procede pour l'elimination des composes indesirables de l'acide phosphorique Withdrawn FR2286105A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MX15393174 1974-09-24

Publications (1)

Publication Number Publication Date
FR2286105A1 true FR2286105A1 (fr) 1976-04-23

Family

ID=19745494

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7529236A Withdrawn FR2286105A1 (fr) 1974-09-24 1975-09-24 Procede pour l'elimination des composes indesirables de l'acide phosphorique

Country Status (1)

Country Link
FR (1) FR2286105A1 (fr)

Similar Documents

Publication Publication Date Title
FR2354962A1 (fr) Procede de production d'acide phosphorique et de phosphate sans fluor
GB1309578A (en) Process for purifying phosphoric acid
FR2286105A1 (fr) Procede pour l'elimination des composes indesirables de l'acide phosphorique
ES310273A1 (es) Procedimiento para la purificacion del yeso residual de la fabricacion de acido fosforico por ataque sulfurico de fosfatos naturales
GB1328357A (en) Wet process for the manufacture of phosphoric acid and caldium sulphate
US2730542A (en) Process for preparing ethanol-2-aminophosphoric acid
IE37549L (en) Purification of phosphoric acids
US2735866A (en) Method for producing glucoheptonic
US3356448A (en) Method of preparing dicalcium phosphate substantially free from f, fe, and al impurities
DE3376000D1 (en) Process for the purification of wet-process phosphoric acid
ATE50751T1 (de) Verfahren zur herstellung von natriummonohydrogenphosphat.
GB1250191A (fr)
JPS5641815A (en) Purifying method for wet process phosphoric acid solution
SU998443A1 (ru) Способ обогащени природных фосфатов
SU715557A1 (ru) Способ получени кормовых фосфатов кальци
SU497228A1 (ru) Способ получени ортофосфатов натри
SU833490A1 (ru) Способ получени фосфорной кислоты
SU528260A1 (ru) Способ очистки экстракционной фосфорной кислоты
SU692555A3 (ru) Способ очистки фосфорной кислоты
SU674979A1 (ru) Способ получени фосфатов аммони
GB1155957A (en) Phosphoric Acid Purification Process.
ES417776A1 (es) Procedimiento para la purificacion del acido fosforico ob- tenido por via humeda, por medio de un tratamiento quimico.
SU548565A1 (ru) Способ получени экстрационной фосфорной кислоты
SU735583A1 (ru) Способ обогащени природных фосфатов
SU688117A3 (ru) Способ очистки сульфата натри от органических примесей

Legal Events

Date Code Title Description
ST Notification of lapse