Feasibility of anaerobic digested corn stover as biosorbent for heavy metal
2013
Wang, Jin | Peng, Shu-chuan | Wan, Zheng-qiang | Yue, Zheng-bo | Wu, Jian | Chen, Tian-hu
Anaerobic digested (AD) corn stover collected from a lab-scale reactor was used as bioadsorbent to remove the heavy metal in aqueous solution. Effects of contact time and initial heavy metal concentrations on the removal process of Cu2+ and Cd2+ were investigated. The maximum adsorption capacities of AD corn stover obtained from Langmuir isotherm models were 83.3 and 50.0mg/g for Cu2+ and Cd2+, respectively. Fourier transform infrared spectroscopy (FTIR) was also used to investigate the surface characteristic of raw and heavy metal loaded AD corn stover.
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