MA19050A1 - Procede de separation des matieres solides contenues dans l'acide phosphorique . - Google Patents

Procede de separation des matieres solides contenues dans l'acide phosphorique .

Info

Publication number
MA19050A1
MA19050A1 MA19251A MA19251A MA19050A1 MA 19050 A1 MA19050 A1 MA 19050A1 MA 19251 A MA19251 A MA 19251A MA 19251 A MA19251 A MA 19251A MA 19050 A1 MA19050 A1 MA 19050A1
Authority
MA
Morocco
Prior art keywords
phosphoric acid
solid materials
materials contained
separating solid
separating
Prior art date
Application number
MA19251A
Other languages
English (en)
Original Assignee
U H D E Gmbh
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 U H D E Gmbh filed Critical U H D E Gmbh
Publication of MA19050A1 publication Critical patent/MA19050A1/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
    • C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treatment Of Sludge (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Paper (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
MA19251A 1980-01-30 1981-01-23 Procede de separation des matieres solides contenues dans l'acide phosphorique . MA19050A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3003250A DE3003250C2 (de) 1980-01-30 1980-01-30 Verfahren zum Abtrennen von Feststoffen aus Phosphorsäure

Publications (1)

Publication Number Publication Date
MA19050A1 true MA19050A1 (fr) 1981-10-01

Family

ID=6093249

Family Applications (1)

Application Number Title Priority Date Filing Date
MA19251A MA19050A1 (fr) 1980-01-30 1981-01-23 Procede de separation des matieres solides contenues dans l'acide phosphorique .

Country Status (8)

Country Link
US (1) US4343780A (fr)
JP (1) JPS56160309A (fr)
BE (1) BE886185A (fr)
DE (1) DE3003250C2 (fr)
FR (1) FR2474472A1 (fr)
GB (1) GB2076790B (fr)
MA (1) MA19050A1 (fr)
NL (1) NL8006244A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493820A (en) * 1982-10-01 1985-01-15 Gardinier, Inc. Process for partial removing of impurities from a wet process phosphoric acid
US4487750A (en) * 1983-08-01 1984-12-11 Freeport Minerals Company Stabilization of wet process phosphoric acid
CN107188143A (zh) * 2017-04-21 2017-09-22 宜昌东圣磷复肥有限责任公司 一种湿法磷酸浓缩装置及其工艺

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936888A (en) * 1958-07-07 1960-05-17 Int Minerals & Chem Corp Production of clarified acidic phosphatic solutions
US3206282A (en) * 1962-02-20 1965-09-14 Allied Chem Removal of soluble after-precipitate from concentrated phosphoric acid
US3528771A (en) * 1967-10-10 1970-09-15 Int Minerals & Chem Corp Phosphoric acid clarification
US3644091A (en) * 1970-03-17 1972-02-22 Exxon Research Engineering Co Clarification of phosphoric acid
ES417776A1 (es) * 1973-08-01 1976-02-16 Foret Sa Procedimiento para la purificacion del acido fosforico ob- tenido por via humeda, por medio de un tratamiento quimico.
US3907680A (en) * 1973-11-06 1975-09-23 Sr Richard N Hill Clarification of aqueous acidic phosphatic solutions
US4048289A (en) * 1973-12-13 1977-09-13 Fertilizantes Fosfatados Mexicanos, S.A. Stabilization of wet-process phosphoric acid
US3944866A (en) * 1974-04-08 1976-03-16 Canadian Patents & Development Ltd. Thermionic emitter of lanthanum strontium vanadates
DE2522220C3 (de) * 1975-05-20 1982-05-13 Giulini Chemie Gmbh, 6700 Ludwigshafen Verfahren zur Beseitigung der organischen Verunreinigungen in wässrigen Phosphorsäurelösungen
US3993736A (en) * 1975-08-14 1976-11-23 Stauffer Chemical Company Food grade phosphoric acid from wet process acid
US3993735A (en) * 1975-08-14 1976-11-23 Stauffer Chemical Company Cleanup of wet process phosphoric acid
CA1086475A (fr) * 1976-05-06 1980-09-30 Richard N. Hill Production par voie humide d'acide phosphorique stabilise
US4235854A (en) * 1977-08-25 1980-11-25 Occidental Petroleum Corp. Method for purifying wet process phosphoric acid

Also Published As

Publication number Publication date
NL8006244A (nl) 1981-09-01
DE3003250C2 (de) 1982-09-16
GB2076790A (en) 1981-12-09
GB2076790B (en) 1983-03-09
BE886185A (fr) 1981-03-02
US4343780A (en) 1982-08-10
DE3003250A1 (de) 1981-08-06
JPS56160309A (en) 1981-12-10
FR2474472A1 (fr) 1981-07-31
FR2474472B1 (fr) 1983-09-30

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