chitosan-graft-polyacrylamide adsorbent for sulphate at malaysia

chitosan-graft-polyacrylamide adsorbent for sulphate at malaysia
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  • Is chitosan a graft copolymer?
  • Hasan et al. (2019) synthesized the graft copolymer of chitosan with poly [2- (acryloyloxy)ethyl trimethylammonium chloride] in the presence of potassium persulphate initiator via redox polymerization for antimicrobial activity. It was found that the antimicrobial activities and water solubility were enhanced after the grafting [ 53 ].
  • Can chitosan be used as a carrier system for organosulfates?
  • The context of this study responds to the need for sorbent technology development to address the controlled removal of inorganic sulfate (SO 42−) from saline water and the promising potential of chitosan as a carrier system for organosulfates in pharmaceutical and nutraceutical applications.
  • Can chitosan be modified by grafting of poly(acrylic acid) and acrylamide redox initiator?
  • The chemical modification of chitosan via grafting of poly (acrylic acid) and poly (acrylamide) in presence of persulfate redox initiator through grafting and covalent cross-linking processes for removal of simple dyes and the maximum adsorption capability was reported by Lazaridis [ 136, 137 ].
  • Are chitosan-based materials promising adsorbents?
  • Adsorption isotherms and adsorption kinetics are then highlighted and followed by details on the mechanisms of adsorption and the role of the chitosan and the carbon or silica supports. Based on the reviewed papers, it is clear, that while some challenges remain, chitosan-based materials are emerging as promising adsorbents.