Abstract
A graft copolymer of P.psyllium mucilage and polyacrylamide has been synthesized in the presence of nitrogen using ceric ion-nitric acid redox initiator. This grafted copolymer was tested for its flocculation efficiency in Tannery and Domestic wastewater by the standard Jar Test method. The effects of polymer concentration, contact time and pH on percent removal of solid wastes from Tannery and Domestic effluents have been reported. The optimal dose was found to be 60 ppm, at which maximum solid removal from both the effluents took place. The maximum solid removal was seen after one hour at acidic pH in the case of the Domestic effluent and at alkaline pH in the case of Tannery effluent. X-ray analysis of the solid waste from effluents, grafted copolymer and flocs obtained after treatment of the effluents with the mucilage showed the interaction of the suspended solid wastes with the P. psyllium grafted polyacrylamide (Psy-g-PAM) copolymer. Psy-g-PAM has been proved to be a better flocculant than pure psyllium mucilage.
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Agarwal, M., Srinivasan, R. & Mishra, A. Synthesis of Plantago Psyllium Mucilage Grafted Polyacrylamide and its Flocculation Efficiency in Tannery and Domestic Wastewater. Journal of Polymer Research 9, 69–73 (2002). https://doi.org/10.1023/A:1020658802755
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DOI: https://doi.org/10.1023/A:1020658802755