有机蒙脱石对赤潮藻生长的影响

The Effect of Organic Modified Montmorillonite on Growth of the Red-tide Algae

蒙脱石对藻类细胞具有较强的吸附能力,CTAB具有良好的杀菌效果且易被生物降解,因此本文采用CTAB对蒙脱石进行了有机改性,并利用改性蒙脱石对两种代表性赤潮藻(东海原甲藻和亚历山大藻)进行了吸附处理,通过比较上清液的藻类生物量变化和蛋白质浓度改变,证明少量改性土就具有良好的除藻效果。这为有机蒙脱石在环境污染治理方面的有效利用提供了重要理论依据。

Montmorillonite（MMT） has stronger adsorption capacity for the algae cells and CTAB whose biodegrability is receptible has satisfactory sterilizing effcet. Thus, first of all, the organic modification of montmorillonite was successfully performed by using CTAB as a modifying agent. Then the adsorption treatments of two representative red - tide algae （ Prorocentrum donghaiense and Alexandrium tamarense） have been carried out by means of the modified MMT to examine modified montmorillonite＇s efficiency for removing red - tide algae. Through determining the variation of algae biomass and concentration of protein, it is found that a small quantity of modified MMT can effectively remove red - tide algae. This study provided an important theoretical criteria for rehabilitating environmental pollution using organic modified MMT.