USE OF COPOLYMERS TO REDUCE PRECIPITATIONS AND SCALES RESULTING FROM INORGANIC AND ORGANIC IMPURITIES IN THE BAYER PROCESS FOR OBTAINING ALUMINUM HYDROXIDE
3606/CHENP/2006 A (3606/CHENP/2006)
Filed on 2006-09-28
Publication date 2007-06-22
Abstract: Use of water-soluble copolymers, said copolymers composed of monoethylenically unsaturated, acid group-bearing monomers a) and at least one hydrophobia component b) which contains unsaturated double bonds in Bayer process caustic solutions as agents for reducing precipitation and formation of scales by inorganic and organic impurities.
Applicant
ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC
5200 BLAZER PARKWAY, DUBLIN, OHIO 43017, USA U.S.A.
Inventor
FLOCKEN, CHRISTIAN, KUBOTH, DETLEF, POSCHMAN, RAINER
International Information
Classification
C08F 220/00
Publication number
WO 2005/095477 A2
Application date
2005-02-28
Application number
PCT/EP05/02093