ZA755185B - Chemical process - Google Patents

Chemical process

Info

Publication number
ZA755185B
ZA755185B ZA00755185A ZA755185A ZA755185B ZA 755185 B ZA755185 B ZA 755185B ZA 00755185 A ZA00755185 A ZA 00755185A ZA 755185 A ZA755185 A ZA 755185A ZA 755185 B ZA755185 B ZA 755185B
Authority
ZA
South Africa
Prior art keywords
chemical process
chemical
Prior art date
Application number
ZA00755185A
Other languages
English (en)
Inventor
M Leroy
J Helgorsky
Original Assignee
Rhone Poulenc Ind
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 Rhone Poulenc Ind filed Critical Rhone Poulenc Ind
Publication of ZA755185B publication Critical patent/ZA755185B/xx

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)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Animal Husbandry (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Removal Of Specific Substances (AREA)
ZA00755185A 1974-08-13 1975-08-12 Chemical process ZA755185B (en)

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
ZA755185B true ZA755185B (en) 1976-07-28

Family

ID=9142370

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00755185A ZA755185B (en) 1974-08-13 1975-08-12 Chemical process

Country Status (13)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS575882B2 (cs) * 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 (cs) * 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
BE832369A (fr) 1976-02-12
ES440190A1 (es) 1977-03-01
JPS5418997B2 (cs) 1979-07-11
IE42047B1 (en) 1980-05-21
JPS5145695A (en) 1976-04-19
FR2281892B1 (cs) 1976-12-31
CA1043536A (en) 1978-12-05
US4065547A (en) 1977-12-27
DE2535971B2 (de) 1978-10-05
IE42047L (en) 1976-02-13
IT1041108B (it) 1980-01-10
DD119386A5 (cs) 1976-04-20
GB1476560A (en) 1977-06-16
DE2535971A1 (de) 1976-02-26
NL7509601A (nl) 1976-02-17
FR2281892A1 (fr) 1976-03-12
AU8387875A (en) 1977-02-17

Similar Documents

Publication Publication Date Title
YU40117B (en) Process for obtaining n-phosphonomethyglycine
IE41425L (en) Etching process
ZA745372B (en) Chemical process
YU39534B (en) Process for obtaining n-phosphono-methyl-glycine
EG11907A (en) Integrated urea-ammonia process
IL47418A0 (en) Fluorination process
YU201175A (en) Process for obtaining 1-thiadiazolylimidazolidinone
YU44669B (en) Process for obtaining 1-carboxymethyl-5-mercaptotetrazole
YU294281A (en) Process for obtaining 7-hydroxyestradiols
ZM3175A1 (en) Chemical process
ZA755185B (en) Chemical process
YU104475A (en) Process for obtaining amino-2-imidazoles
ZA74158B (en) Chemical process
ZA7519B (en) Chemical compounds
YU234275A (en) Process for obtaining 6-chloro-6-chloromethyl-4-phenyl-quinazoline-3-oxide
YU247075A (en) Process for obtaining 2-methyl-3-hydroxy-4-ethylaminomethyl-5-methylmercapto-methyl-pyridine
ZA766597B (en) Chemical process
YU84375A (en) Process for obtaining mono-beta-hydroxy-ethyl-7-rutoside
ZA766599B (en) Chemical process
YU39030B (en) Process for obtaining poly-(-alkyliminoalane)
ZA753231B (en) Bicarbonation process
YU39950B (en) Process for obtaining 1-aryloxy-4-amino-2-butanol
YU186275A (en) Process for obtaining bromotetrahydrofuran
AU7535774A (en) Chemical compounds
GB1537904A (en) Chemical process