ES349758A1 - Un procedimiento para obtener acido fosforico por via hume-da. - Google Patents

Un procedimiento para obtener acido fosforico por via hume-da.

Info

Publication number
ES349758A1
ES349758A1 ES349758A ES349758A ES349758A1 ES 349758 A1 ES349758 A1 ES 349758A1 ES 349758 A ES349758 A ES 349758A ES 349758 A ES349758 A ES 349758A ES 349758 A1 ES349758 A1 ES 349758A1
Authority
ES
Spain
Prior art keywords
sulfuric acid
calcium sulfate
phosphoric acid
cake
sulfate hemihydrate
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
ES349758A
Other languages
English (en)
Spanish (es)
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.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Edison SpA
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 Montedison SpA, Montecatini Edison SpA filed Critical Montedison SpA
Publication of ES349758A1 publication Critical patent/ES349758A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
ES349758A 1967-01-26 1968-01-25 Un procedimiento para obtener acido fosforico por via hume-da. Expired ES349758A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1190267 1967-01-26

Publications (1)

Publication Number Publication Date
ES349758A1 true ES349758A1 (es) 1969-11-01

Family

ID=11138624

Family Applications (1)

Application Number Title Priority Date Filing Date
ES349758A Expired ES349758A1 (es) 1967-01-26 1968-01-25 Un procedimiento para obtener acido fosforico por via hume-da.

Country Status (3)

Country Link
ES (1) ES349758A1 (enExample)
FR (1) FR1562942A (enExample)
NL (1) NL6800867A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653826A (en) * 1967-09-21 1972-04-04 Nissan Chemical Ind Ltd Process for the production of phosphoric acid at a high concentration and a gypsum by-product of improved quality
PL116006B1 (en) * 1978-05-06 1981-05-30 Politechnika Wroclawska Method of waste phosphogypsum rinsing
FR2465971A1 (fr) * 1979-09-26 1981-03-27 Rhone Poulenc Ind Procede perfectionne de maintien en temperature de reacteurs

Also Published As

Publication number Publication date
FR1562942A (enExample) 1969-04-11
NL6800867A (enExample) 1968-07-29

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