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OALib Journal期刊
ISSN: 2333-9721
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cacl2对葡萄糖纳滤截留率的影响
DOI: 10.3969/j.issn.1671-7627.2011.04.023, PP. 103-106
Keywords: 纳滤膜,截留率,微结构
Abstract:
采用desal-dk纳滤膜进行中性有机物、cacl2、葡萄糖／cacl2混合体系的水溶液纳滤实验与数学模型表征研究。结果表明：cacl2截留率随本体溶液浓度增大而减小,葡萄糖／cacl2混合体系中葡萄糖截留率随cacl2浓度增大而减小。采用道南立体细孔模型描述cacl2的截留率变化趋势与实验值吻合良好。实验拟合所得等效孔径、等效膜厚与等效荷电密度随cacl2浓度增大而增大,表明本体溶液中的cacl2促使膜孔膨胀。
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