Removal of arsenic using hardened paste of Portland cement: batch adsorption and column study.

@article{Kundu2004RemovalOA,
  title={Removal of arsenic using hardened paste of Portland cement: batch adsorption and column study.},
  author={Subrata Kumar Kundu and Shaunpaul Simon Kavalakatt and A. L. Pal and Sujit K Ghosh and Madhuri Mandal and Tarasankar Pal},
  journal={Water research},
  year={2004},
  volume={38 17},
  pages={3780-90}
}
Hardened paste of Portland cement (HPPC) has been used as a low-cost adsorbent for the removal of arsenic from water environment. Results from the batch experiments, conducted at an initial concentration of 0.2 ppm of arsenate, suggest arsenate removal up to 95%. Kinetic profiles were developed for various conditions. Effects of adsorbent dose, common ions such as Ca(2+), Mg(2+), Fe(3+), Fe(2+), Cl(-), SO(4)(2-), NO(3)(-), PO(4)(3-) and of pH were studied in detail. Adsorption isotherm studies… CONTINUE READING

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