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Clay surface modification and its coagulation of red tide organisms

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Chinese Science Bulletin

Abstract

Surface modification of montmorillonite by means of Mg2+ insertion reaction has been studied and a positively charged montrnorillonite has been prepared. The effects of preparation temperature and Mg+ concentration on the positive charge property of the clay and on the clay coagulatingHeterosigma akashiwo have been studied. The results showed that the modified clay enhanced the coagulation and the used amount decreased to 1/5–1/10 of the original. The removal rates ofHeterosigma akashiwo were correlated positively with positive charge on the clay in accordance with theoretical model.

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Authors and Affiliations

  1. Institute of Oceanlogy, Chinese Academy of Science, 266071, Qingdao, China

    Yu Zhiming, Sun Xiaoxia, Song Xiuxian & Zhang Bo

Authors
  1. Yu Zhiming
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  2. Sun Xiaoxia
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  3. Song Xiuxian
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  4. Zhang Bo
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Yu, Z., Sun, X., Song, X. et al. Clay surface modification and its coagulation of red tide organisms. Chin. Sci. Bull. 44, 617–620 (1999). https://doi.org/10.1007/BF03182721

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  • DOI: https://doi.org/10.1007/BF03182721

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