BE821040A - Nouveau procede economique de concentration de l'acide phosphorique - Google Patents

Nouveau procede economique de concentration de l'acide phosphorique

Info

Publication number
BE821040A
BE821040A BE149506A BE149506A BE821040A BE 821040 A BE821040 A BE 821040A BE 149506 A BE149506 A BE 149506A BE 149506 A BE149506 A BE 149506A BE 821040 A BE821040 A BE 821040A
Authority
BE
Belgium
Prior art keywords
concentration
phosphoric acid
economic process
new economic
new
Prior art date
Application number
BE149506A
Other languages
English (en)
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 filed Critical
Publication of BE821040A publication Critical patent/BE821040A/fr

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
    • C01B25/2346—Concentration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Paper (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
BE149506A 1974-03-25 1974-10-14 Nouveau procede economique de concentration de l'acide phosphorique BE821040A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7410091A FR2265676A1 (en) 1974-03-25 1974-03-25 Concn. of phosphoric acid - in a two stage process using known appts. to save energy

Publications (1)

Publication Number Publication Date
BE821040A true BE821040A (fr) 1975-02-03

Family

ID=9136761

Family Applications (1)

Application Number Title Priority Date Filing Date
BE149506A BE821040A (fr) 1974-03-25 1974-10-14 Nouveau procede economique de concentration de l'acide phosphorique

Country Status (4)

Country Link
BE (1) BE821040A (fr)
ES (2) ES432014A1 (fr)
FR (1) FR2265676A1 (fr)
NL (1) NL7414326A (fr)

Also Published As

Publication number Publication date
ES436840A1 (es) 1976-12-01
FR2265676B1 (fr) 1977-10-07
ES432014A1 (es) 1976-10-16
FR2265676A1 (en) 1975-10-24
NL7414326A (nl) 1975-09-29

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: APPAREILS ET EVAPORATEURS KESTNER

Effective date: 19871031