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Title 

Adsorption of turbid materials by the cyanobacterium Phormidium parchydematicum

Authors 

C J KimY H JungChi-Yong AhnYoung Ki LeeHee-Mock Oh

Publisher 

Springer Verlag (Germany)

Issue Date 

2010

Citation 

Journal of Applied Phycology, vol. 22, no. 2, pp. 181-186

Keywords 

Chlorella vulgarisClayCyanobacteriaPhormidium parchydematicumTurbid material

Abstract 

The present study investigated the adsorption of turbid materials such as clays, by microalgae. Among six tested microalgae, including Chlorophyceae and Cyanophyceae, a cyanobacterium, Phormidium parchydematicum strain KCTC 10851BP, and unicellular alga, Chlorella vulgaris strain UTEX 265, showed a higher turbidity-removal efficiency (TRE) of 99% and 93%, respectively, for clay-containing water after 24 h, which was much higher than the 36% for the control. The TREs of all the treatments were >95% after 24 h, except for the treatment with a lower algal density and optical density (OD) = 0.1. Phormidium parchydematicum demonstrated a slightly higher TRE than a polyaluminum chloride coagulant (Al13(OH)28Cl9SO4) for a turbid field water. Scanning electron microscope (SEM) observations revealed a dense adsorption of clay particles to the surface of P. parchydematicum. Thus, it would appear that P. parchydematicum and C. vulgaris can be used for clay removal in turbid water by sedimentation through microalgae-clay flocculation.

ISSN 

0921-8971

Link 

http://dx.doi.org/10.1007/s10811-009-9440-y

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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