Fouling of microfiltration membranes by broth-free antifoam agents |
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| Authors: | Liew M K Fane A G Rogers P L |
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| Institution: | UNESCO Centre for Membrane Science and Technology, University of New South Wales, Sydney 2052, Australia; telephone: 61-2-9385-4315; fax: 61-2-9385-5054. |
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| Abstract: | The fouling tendencies of seven commercial antifoam agents used with microfiltration membranes were investigated in a stirred cell. Parameters such as viscosity, oil droplet size distribution, contact angle, work of adhesion (W(a)), membrane type, operating pressure, and feed concentration were examined. The results show that a silicone-based antifoam, G832, gave a significantly lower flux (
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