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OALib Journal期刊
ISSN: 2333-9721
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陶瓷膜构型对错流微滤酵母悬浮液性能的影响
DOI: 10.3969/j.issn.1671-7627.2011.02.011, PP. 47-50
Keywords: 陶瓷膜,构型,错流微滤,比阻,能耗
Abstract:
？采用3种构型的陶瓷微滤膜元件对酵母悬浮液进行错流过滤实验，考察陶瓷膜元件的构型对于其错流过滤性能的影响。结果表明：减小陶瓷膜元件的通道直径可以提高料液在膜表面的剪切力，有助于提高过滤稳定通量和临界压力，在3m/s膜面流速、0.1mpa跨膜压差条件下，单管、19通道、55通道的稳定通量分别为96、128、196l/（m2·h）；在3m/s膜面流速条件下，3种陶瓷膜元件的临界压力分别约为0.15、0.2、0.2mpa。另外，减小通道直径还可以减小滤饼层的比阻，有利于降低过滤阻力；与提高膜面流速来增大过滤通量的方法相比，减小陶瓷膜的通道直径具有能耗较小的优点。
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