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Huan Jing Ke Xue. 2013 Sep;34(9):3507-12.

[Efficient degradation of tetrabromobisphenol A in water by co-doped FiFeO3].

[Article in Chinese]

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School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China.


Co-doped BiFeO3 was synthesized by the sol-gel method and used as a catalyst of persulfate (PMS) for the degradation of tetrabromobisphenol A (TBBPA). The effects of the amount of oxidizing agent, catalyst dosage, and the content of doped Co on the degradation of TBBPA were investigated. Under the optimized conditions (doping level of Co to Fe 0.1, dosage 0.5 g x L(-1), PMS concentration 2.5 mmol x L(-1)), the degradation removal of TBBPA within 60 min achieved more than 95%. Catalyst activity showed only a little loss after 4 recycles, and atomic absorption spectrometry (AAS) result showed that few Co ions were leached (0.27% of total Co). The catalyst can be recycled with magnet which shows a good application prospect in the wastewater treatment.

[Indexed for MEDLINE]

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