Stabilization of Heavy Metals in Mining Site Soil with Silica Extracted from Corn Cob

@article{Shim2014StabilizationOH,
  title={Stabilization of Heavy Metals in Mining Site Soil with Silica Extracted from Corn Cob},
  author={Jaehong Shim and Patrick J. Shea and Byung Taek Oh},
  journal={Water, Air, & Soil Pollution},
  year={2014},
  volume={225},
  pages={1-12}
}
  • Jaehong Shim, Patrick J. Shea, Byung Taek Oh
  • Published in Water, Air, & Soil Pollution 2014
  • Chemistry
  • Corn cob silica (CCS), produced via a modification of the sol-gel method, can reduce heavy metal availability and stabilize contaminated soil on abandoned mining sites. Adding 5 % (w/w) CCS to mining site soil increased pH from 4.0 to 7.7, and cation exchange capacity increased from 94.5 to 100.3 cmol+/kg. Sequential extraction showed that adding CCS decreased heavy metal availability in the soil. Mobility factor (MF) values indicated that CCS reduced Pb mobility more than that of Zn or Cu in… CONTINUE READING

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