Abstract
Radical copolymerization of N,N-dimethyl-N,N-diallylammonium chloride (DMDAAC) with N,N-dimethylacrylamide (DMAA) has been investigated by FT-IR, 1H NMR spectroscopies, conductometric and turbidimetric titration methods. Flocculation of bentonite suspensions, pig, chicken and cow manure slurries were investigated using the copolymer P(DMDAAC-DMAA) with various compositions and homopolymer P(DMDAAC) by turbidimetric method and the zeta potentials of each samples were tested. The results indicated that copolymer P(DMDAAC-DMAA) (with molar composition 70:30) has the best flocculating ability compared to the other compositions and homopolymer P(DMDAAC). Compared to four suspensions pig manure was found to be more difficult to settle down.
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