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中空纤维致密膜基吸收CO_2传质机理分析
Authors
介兴明
孙承贵
+4 more
曹义鸣
林斌
王同华
袁权
Publication date
Publisher
Abstract
研究了硅橡胶/聚砜中空纤维致密膜基吸收CO2的传质机理,考察了吸收剂种类(NaOH、MEA、DEA、TEA)、NaOH浓度、吸收剂流速、吸收剂压力和气相压力对CO2传质系数的影响,并采用数学模型对实验结果进行了分析。其中,用2×10^3mol·m·3NaOH溶液作吸收剂时,聚合物膜传质为控制步骤,总传质系数与CO2在膜中的传质系数相近,且实验过程中无漏液、鼓泡等现象发生
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Last time updated on 07/01/2020