Extracellular biopolymeric flocculants. Recent trends and biotechnological importance |
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| Authors: | Salehizadeh H Shojaosadati S A |
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| Institution: | Biotechnology Group, Chemical Engineering Department, Tarbiat Modarres University, P.O. Box 14155-4838, Tehran, Iran. |
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| Abstract: | Many microorganisms secrete extracellular biopolymeric flocculants (EBFs) in the culture broth. This work reviews the development of EBF research and applications. Aspects discussed include a comparison of the chemical and biological flocculating agents, isolation of EBF-producing microorganisms, culture conditions, mechanisms of flocculation, the chemical structure of EBFs, and the role of physicochemical factors in the flocculating activity. |
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