Environmental Science
a year ago

Polluted water purified by sulfur-infused biochar, transforming lives worldwide.

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Environmental Engineering Science
Sulfur-Modified Biochar Efficiently Removes Cr(VI) from Water by Sorption and Reduction
Zhongcheng Du, Ming Yang, Yifan Yang, Xiaolei Zhang, Huihui Chen, Huu Hao Ngo, Qiang Liu

Paper Summary

Sulfur-modified biochar was created to remove Chromium from water efficiently. By adjusting the pyrolysis temperatures, time, and S/C ratio, the modified biochar showed a 92% removal rate of Cr. The sulfur modification increased the biochar's ability to adsorb and reduce Cr(VI) to Cr(III) by forming sulfur-containing groups that interacted with the chromium. The larger surface area of the modified biochar also helped in the removal and reduction of Cr(VI).

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