Purification of water
作者： Leon Buchan , Pieter Walter William Buchan
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摘要: A composition for the purification of water includes a suitable coagulant coagulating solid impurities dispersed in to form flocs and an organic hydrophilic colloid capable, when water, absorbing large quantities sol aggregating flocs. The proportion is such that used purify intended quantity does not interfere with dispersal or floc formation.
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