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SnO2-montmorillonite composite for removal and inhibition microcystis aeruginosa assisted by UV-light

Progress in Natural Science:Materials International 2018年第3期28卷 281-287页

作者： Na Gu Xiaoyu Meng Jinlong Gao Kuitao Wang Pei Zhao Huihui Qin School of Science Hebei University of Science and Technology School of Chemical and Pharmaceutical Engineering Hebei University of Science and Technology Key Laboratory of Medicinal Molecular Chemistry in Hebei Province Hebei University of Science and Technology

Cyanobacterial blooms have become a serious pollution problem,in particular,for water *** aeruginosa(***)is most common toxic cyanobacterial bloom in fresh *** this paper,Sn O2-montmorillonite composite was prepared by ion exchange method and applied to remove *** with the assistance of *** structure of the resulting composite was identified by XRD,IR and *** was determined that some Sn O2nanoparticles were inserted into the interlayer of montmorillonite and some were dispersed on the surface of *** removal efficiency was judged by the rate of 95%after treatment with 0.3 g/L Sn O2-montmorillonite for 1 *** O2-montmorillonite composite absorbed *** and promoted *** lysis by damaging cell wall and *** cellular contents,including protein and chlorophyll a,were then degraded with the assistance of UV-light,which inhibited the biological activity of *** fact,Sn O2-montmorillonite composite removed *** by combination of adsorption flocculation and UV-induced catalytic *** O2-montmorillonite shows promise to become an effective material for the removal of algae and the cyanobacteria bloom.

关键词： SnO2 Montmorillonite Cyanobacteria bloom control microcystis aeruginosa degradation Photo-induced degradation

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