High molecular weight polymers containing pendant salicylic acid groups for clarifying Bayer process liquors
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United States of America Patent
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Jul 14, 2009
Grant Date -
Dec 7, 2006
app pub date -
Aug 17, 2006
filing date -
Jan 29, 2001
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Abstract
A high molecular weight, water-soluble polymer comprising pendant salicylic acid groups and having a weight average molecular weight of at least about 2,000,000 daltons and use of the polymer for clarifying red mud-containing liquors generated in the Bayer process for the recovery of alumina from bauxite.
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