Chromate removal by an iron sorbent: mechanism and modeling.

  title={Chromate removal by an iron sorbent: mechanism and modeling.},
  author={Edward H. Smith and Kaveh Ghiassi},
  journal={Water environment research : a research publication of the Water Environment Federation},
  volume={78 1},
A solution containing chromate was treated using waste shot-blast fines recovered from surface finishing operations in a cast-iron foundry as a sorbent in batch and fixed-bed modes. Equilibrium experiments for initial chromate concentrations of 5 to 10 ppm produced a pH-adsorption edge that exhibits removal of chromium (Cr) over a broad pH range, with adsorption capacities that compare favorably to those reported for other adsorbents such as activated carbon and commercial iron oxides. Surface… CONTINUE READING


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