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通过非溶剂诱导相转化的方法,分别采用聚乙烯吡咯烷酮(PVP-K10)、聚乙二醇(PEG-400)和十六烷基三甲基溴化铵(CTAB)作为致孔剂制备了三种不同的聚砜超滤膜,并借助系列阻力模型对其过滤蛋白质水溶液过程中的抗污染性能进行了定量分析。实验结果表明,因三种致孔剂能促使聚砜超滤膜孔隙结构进一步发展,三种具有不同致孔剂聚砜超滤膜的透水通量都得到了提高;蛋白质溶液过滤过程中,三种聚砜超滤膜的污染阻力都进一步减小,抗污染能力增强。
By non-solvent induced phase inversion method, PVP-K10, PEG-400 and CTAB were used as porogen respectively to prepare tris Different kinds of polysulfone ultrafiltration membranes were used to quantitatively analyze the anti-fouling performance of the membrane in the process of filtering protein aqueous solution through a series of resistance models. The experimental results show that three kinds of porogen can promote the further development of the pore structure of the polysulfone ultrafiltration membrane. The three permeate fluxes of the polysulfone ultrafiltration membranes with different porogen have been increased. During the protein solution filtration, Polysulfone ultrafiltration membrane pollution resistance are further reduced, enhanced anti-pollution ability.