Synthesis of Carboxymethylcellulose-g-Polyacrylamide was carried out in ceric ion induced redox polymerization technique at 29 ± 1°C. The graft copolymer was characterised by intrinsic viscosity measurement and IR spectroscopy. The flocculation performance of CMC-g-PAM and sodium alginate-g-PAM was tested in both 1 wt% coking and non-coking coal fine suspensions. The flocculation performance of CMC-g-PAM is better than that of SAG-g-PAM in both coking and non-coking coal suspension. CMC alone showed better performance than sodium alginate.
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Tripathy et al. (2000) studied this question.
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