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Graft copolymer; hydroxypropyl guargum-𝑔-polyacrylamide; flocculation; coal suspension.

Synthesis of hydroxypropyl guargum-𝑔-polyacrylamide was carried out by ceric ion induced redox polymerization technique at 28 ± 1°C. The graft copolymer was characterized by IR and thermal analysis. The flocculation performance of graft copolymer was tested in 1 wt% coal suspension.

B R Nayak¹ D R Biswal¹ N C Karmakar² R P Singh¹

1. Materials Science Centre, Indian Institute of Technology, Kharagpur 721 302, India
2. Department of Mining Engineering, Indian School of Mines, Dhanbad 826 004, India

Published

November 2002