| 摘要 |
<p>A method of treating sludge which comprises adding to the sludge a polymer or copolymer having repeat units comprising ethylenically unsaturated vinyl monomers initiated by an initiator having the formula: <CHEM> wherein M is hydrogen or a water soluble cation, R1 is a linear or branched lower alkylene group having from about 1 to 8 carbon atoms, R2 is hydrogen or a lower alkyl group having from about 1 to 5 carbon atoms and n is from 1 to 10. <IMAGE> <IMAGE></p> |
