Synergistic Effect of Fenton-like Treatment on the Adsorption of Organic Dye on Bamboo Magnetic Biochar

Jianxiong Xing, Qian Liu, Kai Zheng, Jian-feng Ma, Xing'e Liu, Haiyan Yang, Xiaopeng Peng, Shuangxi Nie, Kun Wang


Magnetic bamboo charcoal was one-pot synthesized and employed in the removal of methylene blue. The data indicated that three different oxidation states of iron (Fe3O4, FeO, and zero-valent iron) were generated under different pyrolytic temperatures, and the maximum specific surface area was 484.6 m2/g. Both physical adsorption and catalytic degradation of MBC with zero-valent iron exhibited more effective capability to decontaminate organic pollution, as the zero-valent iron acted as a Fenton-like catalyst under aerobic conditions. In addition, the obtained magnetic bamboo charcoal manifested the maximum absorption-degradation capacity of methylene blue which was 73.6 mg/g under the weakly acidic (pH=5) and high temperature (60 °C) conditions, which broadened the applications as compared with the classic Fenton catalyst.


Wheat straw; Magnetic biochar; Bamboo; Adsorption; Water treatment; Magnetic separation

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