BE832369A - Procede de defluoration d'acide phosphorique - Google Patents

Procede de defluoration d'acide phosphorique

Info

Publication number
BE832369A
BE832369A BE159150A BE159150A BE832369A BE 832369 A BE832369 A BE 832369A BE 159150 A BE159150 A BE 159150A BE 159150 A BE159150 A BE 159150A BE 832369 A BE832369 A BE 832369A
Authority
BE
Belgium
Prior art keywords
defluoration
phosphoric acid
phosphoric
acid
defluoration process
Prior art date
Application number
BE159150A
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 BE832369A publication Critical patent/BE832369A/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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/26—Compounds containing phosphorus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Animal Husbandry (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Removal Of Specific Substances (AREA)
BE159150A 1974-08-13 1975-08-12 Procede de defluoration d'acide phosphorique BE832369A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7428029A FR2281892A1 (fr) 1974-08-13 1974-08-13 Procede de defluoration d'acide phosphorique

Publications (1)

Publication Number Publication Date
BE832369A true BE832369A (fr) 1976-02-12

Family

ID=9142370

Family Applications (1)

Application Number Title Priority Date Filing Date
BE159150A BE832369A (fr) 1974-08-13 1975-08-12 Procede de defluoration d'acide phosphorique

Country Status (13)

Country Link
US (1) US4065547A (fr)
JP (1) JPS5145695A (fr)
BE (1) BE832369A (fr)
CA (1) CA1043536A (fr)
DD (1) DD119386A5 (fr)
DE (1) DE2535971B2 (fr)
ES (1) ES440190A1 (fr)
FR (1) FR2281892A1 (fr)
GB (1) GB1476560A (fr)
IE (1) IE42047B1 (fr)
IT (1) IT1041108B (fr)
NL (1) NL7509601A (fr)
ZA (1) ZA755185B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS575882B2 (fr) * 1973-09-04 1982-02-02
US4132765A (en) * 1975-06-26 1979-01-02 E. I. Du Pont De Nemours And Company Recovery of fluoride values
US4197280A (en) * 1978-10-02 1980-04-08 Stauffer Chemical Company Wet process phosphoric acid purification
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent
DE3328499A1 (de) * 1983-08-06 1985-02-14 Hoechst Ag, 6230 Frankfurt Verfahren zur verminderung des fluorgehaltes einer nassverfahrensphosphorsaeure
CN115285954B (zh) * 2022-08-12 2023-10-27 宜都兴发化工有限公司 一种提高湿法磷酸生产浓缩工段氟收率的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367749A (en) * 1963-02-20 1968-02-06 Monsanto Co Purifying phosphoric acid using an amine extractant
US3361527A (en) * 1964-02-13 1968-01-02 Monsanto Co Process for separating iron from phosphoric acid containing the same
NL6604002A (fr) * 1965-03-25 1966-09-26
US3410656A (en) * 1966-06-01 1968-11-12 Fmc Corp Phosphoric acid purification
IL27538A (en) * 1967-03-06 1970-09-17 Blumberg R Cleaning of phosphoric acid
FR1531487A (fr) * 1967-05-11 1968-07-05 Pechiney Saint Gobain Procédé continu perfectionné de purification de l'acide phosphorique par les solvants
US3867511A (en) * 1972-12-20 1975-02-18 United States Steel Corp Solvent extraction of h{hd 3{b po{hd 4

Also Published As

Publication number Publication date
JPS5418997B2 (fr) 1979-07-11
CA1043536A (fr) 1978-12-05
DE2535971B2 (de) 1978-10-05
NL7509601A (nl) 1976-02-17
ES440190A1 (es) 1977-03-01
AU8387875A (en) 1977-02-17
ZA755185B (en) 1976-07-28
GB1476560A (en) 1977-06-16
IT1041108B (it) 1980-01-10
IE42047B1 (en) 1980-05-21
DD119386A5 (fr) 1976-04-20
US4065547A (en) 1977-12-27
DE2535971A1 (de) 1976-02-26
JPS5145695A (en) 1976-04-19
IE42047L (en) 1976-02-13
FR2281892A1 (fr) 1976-03-12
FR2281892B1 (fr) 1976-12-31

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: RHONE-POULENC INDUSTRIES

Effective date: 19890831