Coconut husk or coir is mesocarp part of the coconut fruit which is considered as agriculture waste. This fibre is dumped but rich in nutrients like cellulose, hemicellulose and lignin. So, this study represents a effective utilization of coconut husk fibre for sorption of Cu(II) metal ions. In this study nanoparticles of coconut husk-SnO₂ was prepared by functionalization of coconut husk with oxidising agents and then nanoparticles were prepared by redox initiation system, which was characterized by FTIR, FESEM, TEM. The sorption capacitywere evaluated by AAS and parameters such as the effect of pHwere optimized. The maximum percent removal obtained is 85.81% for Cu(II) at pH 7.2. In the endCH-SnO₂is found to be an effective adsorbent for the sorption of Cu(II) metal ions.

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