张宗阳,郝兴阁,赵建敏,秦英杰,姚兵,马文婵,刘立强

• 1:天津大学化工学院
• 2:天津凯铂能膜工程技术有限公司
• 3:石药集团中诺药业有限公司

摘要(Abstract)：

利用双套型微孔疏水中空纤维膜制作的膜接触器脱除水溶液中氨的传质机理,建立了过程传质模型。考察了多种实验条件变化对其传质性能的影响;系统比较了双膜型膜接触器与传统单膜型膜接触器的性能差异。实验结果表明,新型膜器减少了渗透蒸馏效应对副产品铵盐溶液的稀释作用,在相同操作条件下,所得副产物(NH4)2SO4溶液浓度值比传统膜器高出29%;当吸收液中氢离子摩尔流率是料液中氨摩尔流率的1.2倍或更低时,新型膜器的总传质系数比传统膜器高6倍以上,这表明双套膜器克服了传统膜器中由于壳程非理想流动导致的明显传质阻力。用预处理后的垃圾渗滤液作含氨料液的600天长期实验结果表明双套膜型膜器的潜在使用寿命远远高出传统膜器。

关键词(KeyWords)： 双套膜型膜接触器;脱氨;传质系数;稳定性

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 张宗阳,郝兴阁,赵建敏,秦英杰,姚兵,马文婵,刘立强

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