| 摘要 |
<p>A method of reducing turbidity in water comprises adding to the water a cationic co-polymer of copolymerisable compounds comprising (1) 2,4- bis(p.aminobenzyl)-aniline (BABA) or aniline and (2) at least one of (a) epichlorohydrin, (b) ethylene dichloride and (c) formaldehyde.</p> |
