Antifoam fouling and its reduction by surfactant precoat treatment of polysulphone ultrafilter |
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| Authors: | Kazuaki Yamagiwa Hiroe Kobayashi Masayuki Onodera Akira Ohkawa |
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| Affiliation: | (1) Department of Material and Chemical Engineering, Niigata University, 2-8050 Ikarashi, 950-21 Niigata, Japan;(2) Graduate School of Natural Science and Technology, Niigata University, 2-8050 Ikarashi, 950-21 Niigata, Japan |
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| Abstract: | Summary Precoat treatment of polysulphone membranes with non-ionic surfactant BRIJ 58 was effective in decreasing antifoam fouling in ultrafiltration of five model process streams such as fermentation media, broth and yeast suspension. The mean flux increase of about 90 % was achieved by the surfactant pretreatment. |
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