NO131723B

1323699 Clarifying titanium sulphate solutions DOW CHEMICAL CO 30 Sept 1970 [5 Nov 1969] 54285/69 Heading C1A Black liquors, obtained by the extraction of titanium ores with sulphuric acid, are clarified by addition of a water soluble cationic polymer flocculant having monomer units thus:- where R1...

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Bibliographic Details
Main Authors MANFROY W, FLEIG K A
Format Patent
LanguageEnglish
Published 07.04.1975
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
FERROUS OR NON-FERROUS ALLOYS
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:1323699 Clarifying titanium sulphate solutions DOW CHEMICAL CO 30 Sept 1970 [5 Nov 1969] 54285/69 Heading C1A Black liquors, obtained by the extraction of titanium ores with sulphuric acid, are clarified by addition of a water soluble cationic polymer flocculant having monomer units thus:- where R1 is H or CH 3 and R 1 and R 2 are alkyl groups. The polymer is prepared by reacting an acrylamide polymer, a secondary amine, and formaldehyde and is added to the black liquor rapidly and to a region of high shear.
Bibliography:Application Number: NO19700004163