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Hydroxymethyl diphosphonated polyacrylates for red mud treatment
Hydroxymethyl diphosphonated polyacrylates for red mud treatment
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机译:用于赤泥处理的羟甲基二膦酸酯化聚丙烯酸酯
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摘要
The invention comprises a process for improved flocculation of Bayer process red mud-containing slurry. The improvement comprises adding to the red mud-containing liquor a hydroxymethyl diphosphonic acid polymer optionally in addition to the conventional flocculant. The polymer is added to the red mud-containing liquor in an amount sufficient to reduce the concentration of suspended solids in the supernatant phase and/or increase the rate of sedimentation.
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