Modeling and fixed bed column adsorption of As(V) on laterite soil.

  title={Modeling and fixed bed column adsorption of As(V) on laterite soil.},
  author={Sanjoy Kumar Maji and A. L. Pal and Tarasankar Pal and Asok Adak},
  journal={Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering},
  volume={42 11},
Laterite soil, an abundant locally available natural adsorbent, has been evaluated for As(V) removal from aqueous solutions in column mode operation. The column studies were conducted using columns of 10, 20, 30 cm bed depth with 2 cm internal diameter. Initial As(V) concentration was 0.5 mg/L and flow rate was 7.75 mL/min. Bohart and Adams sorption model was employed for the determination of different parameters like height of exchange zone, adsorption rate, time required for exchange zone to… CONTINUE READING

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