BE879095A - Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire - Google Patents

Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire

Info

Publication number
BE879095A
BE879095A BE0/197400A BE197400A BE879095A BE 879095 A BE879095 A BE 879095A BE 0/197400 A BE0/197400 A BE 0/197400A BE 197400 A BE197400 A BE 197400A BE 879095 A BE879095 A BE 879095A
Authority
BE
Belgium
Prior art keywords
desulphated
obtaining
phosphoric acid
food use
food
Prior art date
Application number
BE0/197400A
Other languages
English (en)
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 BE879095A publication Critical patent/BE879095A/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
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • 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
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C01B25/462—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being alcohol or a mixture of alcohols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Treating Waste Gases (AREA)
  • Removal Of Specific Substances (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BE0/197400A 1978-09-29 1979-09-28 Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire BE879095A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7827887A FR2437377A1 (fr) 1978-09-29 1978-09-29 Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire

Publications (1)

Publication Number Publication Date
BE879095A true BE879095A (fr) 1980-03-28

Family

ID=9213166

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/197400A BE879095A (fr) 1978-09-29 1979-09-28 Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire

Country Status (15)

Country Link
US (1) US4263265A (fr)
JP (1) JPS5595606A (fr)
BE (1) BE879095A (fr)
BR (1) BR7906203A (fr)
CA (1) CA1136831A (fr)
DE (1) DE2939200C2 (fr)
ES (1) ES484544A1 (fr)
FR (1) FR2437377A1 (fr)
GB (1) GB2032900B (fr)
IT (1) IT1164712B (fr)
MX (1) MX6075E (fr)
NL (1) NL7907255A (fr)
PH (1) PH14699A (fr)
YU (1) YU40234B (fr)
ZA (1) ZA795169B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2343020C (fr) 1999-07-21 2005-07-12 L'oreal Peigne pour l'application d'un produit sur des fibres keratiniques, ensemble d'application ainsi equipe et utilisation de cet ensemble

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1531487A (fr) * 1967-05-11 1968-07-05 Pechiney Saint Gobain Procédé continu perfectionné de purification de l'acide phosphorique par les solvants
GB1263620A (en) * 1968-06-28 1972-02-16 Goodyear Tire & Rubber Method of making a skin covered foamed article
DE2047261C3 (de) * 1970-09-25 1975-07-17 Chemische Fabrik Budenheim, Rudolf A. Oetker, 6501 Budenheim Verfahren zur Entfernung von Eisen aus Phosphorsäure
JPS5616082B2 (fr) * 1973-05-09 1981-04-14
JPS5018388A (fr) * 1973-06-21 1975-02-26
JPS5040498A (fr) * 1973-08-16 1975-04-14
US4118462A (en) * 1974-02-01 1978-10-03 Rhone-Poulenc Industries Process for the preparation of purified phosphoric solutions from phosphoric acid
JPS5297389A (en) * 1976-02-13 1977-08-16 Toyo Soda Mfg Co Ltd Removal of sulfate ion in extracted phosphoric acid
US4070443A (en) * 1976-02-13 1978-01-24 Toyo Soda Manufacturing Co., Ltd. Process for removing sulfate ions from extracted phosphoric acid with a barium compound

Also Published As

Publication number Publication date
ZA795169B (en) 1980-10-29
GB2032900A (en) 1980-05-14
FR2437377A1 (fr) 1980-04-25
CA1136831A (fr) 1982-12-07
IT1164712B (it) 1987-04-15
DE2939200A1 (de) 1980-04-03
YU40234B (en) 1985-08-31
YU234779A (en) 1982-10-31
US4263265A (en) 1981-04-21
PH14699A (en) 1981-11-10
NL7907255A (nl) 1980-04-01
GB2032900B (en) 1982-11-03
FR2437377B1 (fr) 1981-05-29
MX6075E (es) 1984-10-30
IT7950388A0 (it) 1979-09-28
DE2939200C2 (de) 1981-10-01
JPS5595606A (en) 1980-07-21
ES484544A1 (es) 1980-06-16
BR7906203A (pt) 1980-07-15

Similar Documents

Publication Publication Date Title
FR2413344B1 (fr) Procede pour la production d'un graphite flexible
FR2349785A1 (fr) Procede de realisation d'un connecteur pour tuyaux
FR2343712A1 (fr) Procede pour la preparation de l'acide acrylique a partir du propylene
RO71661A (fr) Procede d'obtention de la n-phosphonomethylglycine
BE877229A (fr) Procede pour l'obtention d'acides arylpyruviques
BE874483A (fr) Procede d'obtention de fraction polaire naturelle dotee d'activite anti-psoriasique
RO73514A (fr) Procede pour l'obtention d'alkylamides
RO75961A (fr) Procede pour la preparation des esters d'acide triazoline-thiono-(thiol)-phosphorique
RO76936A (fr) Procede pour la preparation de p-phenylendiamines asimetriques n-phenole-n'-substitues
FR2297894A1 (fr) Procede pour l'obtention d'emaux a bas
BE858185A (fr) Procede pour l'obtention d'esters alkyliques de l'acide cyanoacetique alpha-substitue
MA18629A1 (fr) Procede d'obtention de nouveaux aryltrifluoroethanols
BE879095A (fr) Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire
BE855263A (fr) Nouveau procede pour l'obtention d'aciees-alpha-(4-alkyl-phenyl)
RO76053A (fr) Procede pour l'obtention des aminoalkyl guanidines
RO78157A (fr) Procede de preparation d'un derive de benzamide
BE875582A (fr) Procede pour l'obtention d'orthosilicates de tetraalkyle
FR2422671B1 (fr) Procede pour l'obtention d'ethylsilanes
PT69394A (fr) Procede pour la preparation d'un sel de penicyline
BE860496A (fr) Procede de preparation d'un acide halogenalkylphosphonique
RO78854A (fr) Procede d'obtention des diurethanes
FR2286133A1 (fr) Procede pour la preparation d'un pyrrolidon-2
RO79416A (fr) Procede d'obtention chloramino-s-triazines
FR2346345A1 (fr) Procede pour l'obtention de 3-chlorophtalide
RO79733A (fr) Procede d'obtention d'un oligonere de difurfurylidenacetone

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: RHONE-POULENC INDUSTRIES

Effective date: 19910930