ZnO/SnO2/Montmorillonite Composite for Inhibition of Cyanobacterial Bloom

Na Gu; Jin Long Gao; Kui Tao Wang; Wen Cui Dong; Yu Lin Ma

doi:10.4028/www.scientific.net/AMR.1061-1062.166

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1061-1062ZnO/SnO2/Montmorillonite Composite for Inhibition...

ZnO/SnO₂/Montmorillonite Composite for Inhibition of Cyanobacterial Bloom

Abstract:

ZnO/SnO₂/montmorillonite that could flocculate and restrict the growth of Microcystis aeruginosa used as a probe of cyanobacterial was prepared and characterized by means of XRD and TEM. In ZnO/SnO₂/montmorillonite, ZnO and SnO₂ nanoparticles disperse on montmorillonite surface. The determinations of chlorophyll a levels and total soluble protein content demonstrate that ZnO/SnO₂/montmorillonite has stronger flocculation effect on Microcystis aeruginosa compared with natural montmorillonit under visible light, and has a good photocatalytic degradation effect on Microcystis aeruginosa under UV irradiation. Under UV, 96.79% removal efficiency is achieved for Microcystis aeruginosa in 1h using 50mg.L^-1 ZnO/SnO₂/montmorillonite. The synergy of absorption flocculation and photocatalysis of ZnO/SnO₂/montmorillonite promotes the removal of Microcystis aeruginosa.

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Periodical:

Advanced Materials Research (Volumes 1061-1062)

Pages:

166-169

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1061-1062.166

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Online since:

December 2014

Authors:

Na Gu, Jin Long Gao, Kui Tao Wang, Wen Cui Dong, Yu Lin Ma

Keywords:

Cyanobacterial Bloom, Microcystis Aeruginosa, Montmorillonite, Photocatalysis, SnO₂, ZNO

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