Cellulose/chitin beads for adsorption of heavy metals in aqueous solution.

  title={Cellulose/chitin beads for adsorption of heavy metals in aqueous solution.},
  author={Dao Wei Zhou and Lina Zhang and Jinping Zhou and Shenlian Guo},
  journal={Water research},
  volume={38 11},
We successfully prepared the biodegradable cellulose/chitin beads by coagulating a blend of cellulose and chitin in 6 wt% NaOH/5 wt% thiourea aqueous solution with 5% H2SO4 as coagulant, and investigated the adsorption of heavy metals (Pb2+, Cd2+, Cu2+) from an aqueous solution on the beads by atomic absorption spectrophotometer. Batch adsorption experiments were carried out as a function of ion concentrations, initial pH, ionic strength, temperature, adsorption time and desorption time. The… CONTINUE READING


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