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    • 5. 发明授权
    • Compositions and methods for improving performance during separation of
solids from liquid particulate dispersions
    • 用于改善从液体颗粒分散体中分离固体的性能的组合物和方法
    • US5431783A
    • 1995-07-11
    • US92859
    • 1993-07-19
    • Dan S. Honig
    • Dan S. Honig
    • B01D21/01D21H17/38D21H17/56D21H21/10D21H21/54D21H17/72
    • D21H21/10D21H17/56D21H21/54
    • A method for providing improved liquid-solid separation performance in liquid particulate dispersion systems. The method comprising adding to a liquid system containing a plurality of finely divided particles (i) from about 0.05 to about 10 pounds per ton, based upon the dry weight of the particles, of an ionic, organic crosslinked polymeric microbead with a diameter of less than about 500 nm, and (ii) from about 0.05 to about 20 pounds per ton, same basis, of a polymeric material selected from the group consisting of polyethylenimines, modified polyethylenimines and mixtures thereof. In addition to the compositions described above, additives such as organic ionic polysaccharides (e.g., a starch), may also be combined with the liquid system to facilitate separation of the particulate material therefrom.
    • 一种在液体颗粒分散系统中提供改善的液 - 固分离性能的方法。 该方法包括向包含多个细碎颗粒(i)的液体系统中添加约0.05至约10磅/吨,基于颗粒的干重,离子有机交联的聚合物微珠的直径较小 大约500nm,和(ii)约0.05至约20磅/吨,相同的基础,选自聚乙烯亚胺,改性聚乙烯亚胺及其混合物的聚合材料。 除了上述组合物之外,还可以将诸如有机离子多糖(例如淀粉)的添加剂与液体体系组合以便于从其中分离颗粒材料。