Batch and column sorption of arsenic onto iron-impregnated biochar synthesized through hydrolysis.

  title={Batch and column sorption of arsenic onto iron-impregnated biochar synthesized through hydrolysis.},
  author={Xin Hu and Zhuhong Ding and Andrew R Zimmerman and Shengsen Wang and Bin Gao},
  journal={Water research},
Iron (Fe)-impregnated biochar, prepared through a novel method that directly hydrolyzes iron salt onto hickory biochar, was investigated for its performance as a low-cost arsenic (As) sorbent. Although iron impregnation decreased the specific surface areas of the biochar, the impregnated biochar showed much better sorption of aqueous As (maximum sorption capacity of 2.16 mg g⁻¹) than the pristine biochar (no/little As sorption capacity). Scanning electron microscope equipped with an energy… CONTINUE READING
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