FR86067E - Procédé de concentration d'acide phosphorique - Google Patents

Procédé de concentration d'acide phosphorique

Info

Publication number
FR86067E
FR86067E FR967997A FR967997A FR86067E FR 86067 E FR86067 E FR 86067E FR 967997 A FR967997 A FR 967997A FR 967997 A FR967997 A FR 967997A FR 86067 E FR86067 E FR 86067E
Authority
FR
France
Prior art keywords
phosphoric acid
acid concentration
concentration process
phosphoric
concentration
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
FR967997A
Other languages
English (en)
French (fr)
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.)
Appareils et Evaporateurs Kestner SA
Original Assignee
Appareils et Evaporateurs Kestner SA
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 Appareils et Evaporateurs Kestner SA filed Critical Appareils et Evaporateurs Kestner SA
Priority to FR967997A priority Critical patent/FR86067E/fr
Priority to BE661061D priority patent/BE661061A/xx
Priority to NL6503407A priority patent/NL6503407A/xx
Priority to ES0310712A priority patent/ES310712A2/es
Priority to DE19651542594 priority patent/DE1542594A1/de
Priority to GB1149365A priority patent/GB1101332A/en
Application granted granted Critical
Publication of FR86067E publication Critical patent/FR86067E/fr
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
    • C01B25/26—Phosphates
    • C01B25/28—Ammonium phosphates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • 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
    • 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
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/308—Methods for converting an alkali metal orthophosphate into another one; Purification; Decolorasing; Dehydrating; Drying
    • 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
    • C01B25/26—Phosphates
    • C01B25/38—Condensed phosphates
    • C01B25/40—Polyphosphates
    • C01B25/405—Polyphosphates of ammonium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
FR967997A 1964-03-19 1964-03-19 Procédé de concentration d'acide phosphorique Expired FR86067E (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR967997A FR86067E (fr) 1964-03-19 1964-03-19 Procédé de concentration d'acide phosphorique
BE661061D BE661061A (de) 1964-03-19 1965-03-12
NL6503407A NL6503407A (de) 1964-03-19 1965-03-17
ES0310712A ES310712A2 (es) 1964-03-19 1965-03-18 Procedimiento de concentraciën de acido fosfërico
DE19651542594 DE1542594A1 (de) 1964-03-19 1965-03-18 Verfahren zur Konzentrierung von Phosphorsaeure
GB1149365A GB1101332A (en) 1964-03-19 1965-03-18 Improvements relating to a method of concentrating aqueous solutions of ammonium phosphate or sodium phosphate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR967997A FR86067E (fr) 1964-03-19 1964-03-19 Procédé de concentration d'acide phosphorique

Publications (1)

Publication Number Publication Date
FR86067E true FR86067E (fr) 1965-12-03

Family

ID=8825922

Family Applications (1)

Application Number Title Priority Date Filing Date
FR967997A Expired FR86067E (fr) 1964-03-19 1964-03-19 Procédé de concentration d'acide phosphorique

Country Status (6)

Country Link
BE (1) BE661061A (de)
DE (1) DE1542594A1 (de)
ES (1) ES310712A2 (de)
FR (1) FR86067E (de)
GB (1) GB1101332A (de)
NL (1) NL6503407A (de)

Also Published As

Publication number Publication date
GB1101332A (en) 1968-01-31
DE1542594A1 (de) 1970-07-16
BE661061A (de) 1965-07-01
ES310712A2 (es) 1966-01-01
NL6503407A (de) 1965-09-20

Similar Documents

Publication Publication Date Title
FR1468050A (fr) Procédé de production de l'acide phosphorique
FR1543753A (fr) Procédé de production d'acide phosphorique
FR88940E (fr) Procédé de purification d'acide phosphorique
FR1466681A (fr) Procédé de purification de l'acide malique
FR1427531A (fr) Procédé de purification d'acide phosphorique
FR1464175A (fr) Procédé de purification de l'acide téréphtalique
FR1457319A (fr) Procédé de purification de l'acide 7-aminocéphalosporanique
FR1509607A (fr) Procédé de purification de l'acide phosphorique
FR1456263A (fr) Procédé de défluoration de l'acide phosphorique
CH429679A (fr) Procédé de déshydratation de l'acide borique
FR1352951A (fr) Procédé de concentration d'acide phosphorique
FR95292E (fr) Procédé de purification de l'acide téréphtalique.
FR1534672A (fr) Procédé de fabrication de l'acide phosphorique
FR1472520A (fr) Procédé de désulfatation de l'acide phosphorique
FR1387492A (fr) Procédé de purification d'acide phosphorique
FR1450148A (fr) Procédé perfectionné de fabrication de l'acide malique
FR1396077A (fr) Procédé de purification d'acide phosphorique
FR86067E (fr) Procédé de concentration d'acide phosphorique
FR1399421A (fr) Procédé de concentration et de purification d'acide phosphorique
FR1461181A (fr) Procédé de préparation de l'acide malique
FR1426901A (fr) Procédé de purification de l'acide téréphtalique
FR1427424A (fr) Procédé de préparation de l'acide cyanhydrique
FR1462259A (fr) Procédé de préparation de l'acide delta3-pyrroline-2-carboxylique
FR1462605A (fr) Procédé de préparation d'acide sulfamique
CH434236A (fr) Procédé de préparation de l'acide 11-iodo-10-undécynoïque