BE810852A - Sepn. of phosphates from solns. contg. fluorides - by the addn. of a water sol. aluminium salt and adjusting the acidity - Google Patents

Sepn. of phosphates from solns. contg. fluorides - by the addn. of a water sol. aluminium salt and adjusting the acidity

Info

Publication number
BE810852A
BE810852A BE140759A BE140759A BE810852A BE 810852 A BE810852 A BE 810852A BE 140759 A BE140759 A BE 140759A BE 140759 A BE140759 A BE 140759A BE 810852 A BE810852 A BE 810852A
Authority
BE
Belgium
Prior art keywords
addn
solns
sepn
contg
fluorides
Prior art date
Application number
BE140759A
Other languages
French (fr)
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
Priority claimed from US345112A external-priority patent/US3870786A/en
Application filed filed Critical
Publication of BE810852A publication Critical patent/BE810852A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/08—Compounds containing halogen
    • C01B33/10—Compounds containing silicon, fluorine, and other elements
    • C01B33/103—Fluosilicic acid; Salts thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride

Abstract

Suitable water sol. Al salts include AlF3, AlCl3 6H2O, Al2 (SO4)3 13-1/2 H2O, Al2(SO4)3 (NH4)2SO4 24 H2O and (NH4)3AlF6 and the soln. is adjusted to pH 2.6-3.1 before the ppt. is removed from the purified filtrate.
BE140759A 1973-03-26 1974-02-11 Sepn. of phosphates from solns. contg. fluorides - by the addn. of a water sol. aluminium salt and adjusting the acidity BE810852A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US345112A US3870786A (en) 1970-11-12 1973-03-26 Removal of phosphate compounds from fluoride containing solutions

Publications (1)

Publication Number Publication Date
BE810852A true BE810852A (en) 1974-08-12

Family

ID=23353583

Family Applications (1)

Application Number Title Priority Date Filing Date
BE140759A BE810852A (en) 1973-03-26 1974-02-11 Sepn. of phosphates from solns. contg. fluorides - by the addn. of a water sol. aluminium salt and adjusting the acidity

Country Status (1)

Country Link
BE (1) BE810852A (en)

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