Tannin Sorbents
Evaluation of a Renewable Resource-based Carbon-Iron Oxide Nanocomposite for Removal of Arsenic from Contaminated Water
(348 – 354) Journal of Macromolecular Science Part A - Pure and Applied Chemistry 48 #5 (2011)
Viswanathan et al of the University of Arkansas at Little Rock and the Arkansas Department of Health, Arkansas, have developed a tannin-based carbon-iron oxide composite for arsenic removal and results show that a concentration of 100 ppb As in water could be brought down to <10 ppb with the maximum capacity of the arsenic removal calculated to be 1.5 mg As/g Fe in the nanocomposite. (RDC 4/21/2011)