JMS_V1_N4_RP2 Kiran Singh T.J.M. Sinha Shalini Srivastava Journal on Material Science 2347–615X 1 4 8 15 Arsenic, Functionalization, Isotherms, Kinetics Nano-biosorbent Surface Functionalization of Nanocrystalline Cellulose using Diethyl Amine was carried out to form an Anion Adsorbent (3-N-N' dimethylamino-2-hydroxypropyl Nanocrystalline Cellulose Ether) for Arsenic Remediation. The product was thoroughly characterized using modern tools. Nano-biosorbent had high efficiency of removal of trivalent (85.20 %) and pentavalent (97.60 %) arsenic from aqueous solutions, even at low concentrations. Adsorption capacity was found to be 8.28 and 9.56 mg/g for As (III) and As (V) respectively. Functionalized nano-biosorbent is ideally suited for economic biosorbent for pretreatment step before large scale chemical treatments for arsenic remediation. January – March 2014 Copyright © 2014 i-manager publications. All rights reserved. i-manager Publications http://www.imanagerpublications.com/Article.aspx?ArticleId=2691