GB1367004A - Process for the production of phosphoric acid - Google Patents

Process for the production of phosphoric acid

Info

Publication number
GB1367004A
GB1367004A GB2320972A GB2320972A GB1367004A GB 1367004 A GB1367004 A GB 1367004A GB 2320972 A GB2320972 A GB 2320972A GB 2320972 A GB2320972 A GB 2320972A GB 1367004 A GB1367004 A GB 1367004A
Authority
GB
United Kingdom
Prior art keywords
phosphoric acid
acid
flocculating agent
agent
production
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.)
Expired
Application number
GB2320972A
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.)
Centre dEtudes et de Recherches des Phosphates Mineraux CERPHOS
Original Assignee
Centre dEtudes et de Recherches des Phosphates Mineraux CERPHOS
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 Centre dEtudes et de Recherches des Phosphates Mineraux CERPHOS filed Critical Centre dEtudes et de Recherches des Phosphates Mineraux CERPHOS
Publication of GB1367004A publication Critical patent/GB1367004A/en
Expired legal-status Critical Current

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
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
    • C01B25/225—Dihydrate process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
GB2320972A 1971-11-17 1972-05-17 Process for the production of phosphoric acid Expired GB1367004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7141158A FR2160279B1 (cs) 1971-11-17 1971-11-17

Publications (1)

Publication Number Publication Date
GB1367004A true GB1367004A (en) 1974-09-18

Family

ID=9085915

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2320972A Expired GB1367004A (en) 1971-11-17 1972-05-17 Process for the production of phosphoric acid

Country Status (3)

Country Link
FR (1) FR2160279B1 (cs)
GB (1) GB1367004A (cs)
IT (1) IT958815B (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250155A (en) 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250155A (en) 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction

Also Published As

Publication number Publication date
IT958815B (it) 1973-10-30
FR2160279A1 (cs) 1973-06-29
FR2160279B1 (cs) 1977-06-03

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
414E Application relinquished (sect. 14/1949)
CSNS Application of which complete specification have been accepted and published, but patent is not sealed