Enhanced removal of pentachlorophenol and 2,4-D from aqueous solution by an aminated biosorbent.

  title={Enhanced removal of pentachlorophenol and 2,4-D from aqueous solution by an aminated biosorbent.},
  author={Shubo Deng and Rui Ma and Qiang Yu and Jun Huang and Gang Yu},
  journal={Journal of hazardous materials},
  volume={165 1-3},
The fungal biomasses of Penicillium chrysogenum were used as raw materials to prepare the aminated adsorbent through chemical grafting of polyethylenimine (PEI) on the biomass surface. Due to the protonation of amine groups, the PEI-modified biomass was found to possess the zero point of zeta potential at pH 10.2, higher than the pristine biomass at pH 3.8. The aminated biosorbent was effective in removing anionic pentachlorophenol (PCP) and 2,4-dichlorophenoxyacetic acid (2,4-D) from aqueous… CONTINUE READING


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