Application of clays to removal of red tide organisms II. Coagulation of different species of red tide organisms with montmorillonite and effect of clay pretreatment

Yu Zhi-ming; Zou Jing-zhong; Ma Xi-nian

doi:10.1007/BF02850491

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Application of clays to removal of red tide organisms II. Coagulation of different species of red tide organisms with montmorillonite and effect of clay pretreatment

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- Application of clays to removal of red tide organisms II. Coagulation of different species of red tide organisms with montmorillonite and effect of clay pretreatment
- Journal of Oceanology and Limnology Vol. 12, Issue 4, Pages: 316-324(1994)
- Affiliations：
  
  Institute of Oceanology
- Author bio：
- Funds：
- DOI：10.1007/BF02850491
  CLC：
- Published：1994
- Accepted：
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Zhi-ming, Y., Jing-zhong, Z. & Xi-nian, M. Application of clays to removal of red tide organisms II. Coagulation of different species of red tide organisms with montmorillonite and effect of clay pretreatment., Chin. J. Ocean. Limnol. 12, 316–324 (1994). https://doi.org/10.1007/BF02850491
DOI：

Zhi-ming, Y., Jing-zhong, Z. & Xi-nian, M. Application of clays to removal of red tide organisms II. Coagulation of different species of red tide organisms with montmorillonite and effect of clay pretreatment., Chin. J. Ocean. Limnol. 12, 316–324 (1994). https://doi.org/10.1007/BF02850491 DOI：

摘要

Abstract

Study on the coagulation of four species of red tide organisms (Nitzschia pungens

Skeletonema costatum

Prorocentrum minimum and Noctiluca scintillans) with montmorillonite

and the effect of montmorillonite pretreatment on the coagulation shows that the capability for montmorillonite to coagulate with them is in the order:N. pungens > S. costatum > P. minimum > N. scintillans. The coagulation is discussed from the aspects of the structure

shape

size

movement

habit

etc. of different species and the results are explained theoretically. The experimental results also indicate that the treatment of montmorillonite with acid can enhance its coagulating capability. This is due to the fact that Al(OH2) 6 +3

exchanged from the clay lattice by hydrogen ion H+

forms hydroxy-aluminum polymers on the surface of the montmorillonite. The hydroxy-aluminum polymers positively charge and increase the positive characteristic of the clay surface

and also serves as a bridge between adjacent surfaces of particles. These two functions enhance the montmorillonite's capability for coagulating with the organism cells.

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Keywords

references

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Yu Zhiming, Zou Jingzhong and Ma Xinian, 1994. Application of clays to removal of red tide organism, Part I. coagulation of clays for red tide organisms,Chinese.J. Oceanol. Limnol. 12(2): 193–200.

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Related Institution

Department of Marine Chemistry Shandong College of Oceanology

Ocean University of Qingdao

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