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Masters Theses

Theses/Dissertations

2008

<p>Water -- Purification -- Disinfection<br />Microcystins<br />Microcystis<br />Microcystis aeruginosa</p>

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Release And Removal Of Microcystins From Microcystis During Disinfection Treatments, Jie Ding Jan 2008

Release And Removal Of Microcystins From Microcystis During Disinfection Treatments, Jie Ding

Masters Theses

"The presence of algal toxins, or cyanotoxins, in surface water has been increasingly reported. These highly hazardous toxins are potential threat to both human health and animals by contaminating drinking water sources over the world. In this research project, inactivation of Microcystis aeruginosa cells and release and removal of intracellular microcystins during several oxidative and physical treatments was studied. The results of this study show that chlorine dioxide, sonication, low salinity and quick blending with tissuemiser caused immediate release of microcystin-LR to water after treatment. No significant increase of toxin level was observed after treatment with free chlorine, ozone, permanganate, …