以水吸收空气中的氧为例,从膜的微孔性、疏水性、传质效率、膜污染和价格等五个方面对市售国产聚丙烯和聚偏氟乙烯两种微孔中空纤维膜在膜吸收过程中的性能进行了评估,并分析了造成这两种膜性能差异的原因.评价结果表明,聚丙烯微孔膜具有疏水性好、氧传质系数大、抗污染能力强和价格便宜等优良性能,更适宜应用于膜吸收过程.
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