BE843493A - Procede de preparation de solutions de phosphates alcalins pauvres en vanadium - Google Patents

Procede de preparation de solutions de phosphates alcalins pauvres en vanadium

Info

Publication number
BE843493A
BE843493A BE168378A BE168378A BE843493A BE 843493 A BE843493 A BE 843493A BE 168378 A BE168378 A BE 168378A BE 168378 A BE168378 A BE 168378A BE 843493 A BE843493 A BE 843493A
Authority
BE
Belgium
Prior art keywords
vanadium
low
preparing solutions
alkaline phosphates
phosphates
Prior art date
Application number
BE168378A
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 BE843493A publication Critical patent/BE843493A/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
    • C01B25/26—Phosphates
    • C01B25/30—Alkali metal phosphates
    • C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
    • C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compounds Of Iron (AREA)
BE168378A 1975-06-28 1976-06-28 Procede de preparation de solutions de phosphates alcalins pauvres en vanadium BE843493A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752528896 DE2528896C2 (de) 1975-06-28 1975-06-28 Verfahren zur Herstellung einer vanadiumarmen Alkaliphosphatlösung

Publications (1)

Publication Number Publication Date
BE843493A true BE843493A (fr) 1976-12-28

Family

ID=5950156

Family Applications (1)

Application Number Title Priority Date Filing Date
BE168378A BE843493A (fr) 1975-06-28 1976-06-28 Procede de preparation de solutions de phosphates alcalins pauvres en vanadium

Country Status (6)

Country Link
BE (1) BE843493A (fr)
DE (1) DE2528896C2 (fr)
ES (1) ES447972A1 (fr)
FR (1) FR2317223A1 (fr)
GB (1) GB1485599A (fr)
NL (1) NL7606986A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3437689A1 (de) * 1984-10-15 1986-04-17 Hoechst Ag, 6230 Frankfurt Vorrichtung zur reduktion von eisen und vanadium in phosphorsaurer loesung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1065388B (fr) * 1959-09-17
FR1191558A (fr) * 1957-03-19 1959-10-20 Saint Gobain Préparation de phosphates alcalins incolores
US3305305A (en) * 1962-12-26 1967-02-21 Hooker Chemical Corp Purification of phosphate solutions
US3493336A (en) * 1964-06-18 1970-02-03 Electric Reduction Co Manufacture of alkali metal phosphates
GB1102382A (en) * 1964-06-18 1968-02-07 Marchon Products Ltd Improvements in the manufacture of alkali metal phosphates
DE1567619C3 (de) * 1965-05-15 1974-08-15 Knapsack Ag, 5033 Huerth-Knapsack Verfahren zur Herstellung von vanadiumarmen Alkaliphosphaten
US3421846A (en) * 1965-06-07 1969-01-14 Hooker Chemical Corp Production of sodium phosphates

Also Published As

Publication number Publication date
NL7606986A (nl) 1976-12-30
DE2528896A1 (de) 1977-01-13
FR2317223A1 (fr) 1977-02-04
GB1485599A (en) 1977-09-14
FR2317223B1 (fr) 1979-06-22
DE2528896C2 (de) 1984-07-12
ES447972A1 (es) 1977-06-16

Similar Documents

Publication Publication Date Title
FR2347347A1 (fr) Procede de preparation de maleimides
FR2323705A1 (fr) Procede de preparation de solutions aqueuses de polyvinylpyrrolidone-iode
FR2320904A1 (fr) Procede de preparation de phosphates alcalins de haute purete
BE853327A (fr) Procede de preparation de maleimides
FR2317222A1 (fr) Procede de preparation de solutions de phosphates alcalins pauvres en vanadium
BE844860A (fr) Procede de preparation de sels de phosphate
BE832047A (fr) Procede de preparation de phosphorothioates et de phenylphosphonothioates
FR2302379A1 (fr) Procede de preparation de
JPS5376996A (en) Method of purifying wet phosphoric acid
BE852850A (fr) Procede de preparation de la 5-acetoacetyl-amino-benzimidazolone
LU81064A1 (fr) Procede de preparation de trifluoromethylphenols
JPS5383993A (en) Method of purifying wet phosphoric acid
BE839004A (fr) Procede de preparation de 4-oxo-hexahydropyrazino-isoquinoleine
FR2329625A1 (fr) Procede de preparation de trichloromethyltrifluoromethylbenzene
FR2325656A1 (fr) Procede de preparation de chlorophosphites
FR2298554A1 (fr) Procede de preparation de thymidine-phosphorylase, et preparation stabilisee obtenue
JPS5413497A (en) Purifying method of wet process phosphoric acid
DE2860216D1 (en) Derivatives of carboxylic acid that contain phosphorus, process for their preparation and their utilisation
FR2317223A1 (fr) Nouveau procede de preparation de solutions de phosphates alcalins pauvres en vanadium
FR2322870A1 (fr) Procede de preparation de phosphorothioates et de phenylphosphonothioates
GR60856B (en) Continuous preparation of phosphoric acid by wet process
BE837753A (fr) Procede de preparation de sulfonylurees
BE861501A (fr) Procede de preparation de la 17alpha-hydroxy-21-acetoxy-progesterone
FR2335501A1 (fr) Procede de preparation des n-alkenyl-2-aminomethyl-pyrrolidines
BE854314A (fr) Procede de preparation de beta-halo-acetals et de beta-halo-cetals

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: HOECHST A.G.

Effective date: 19870630