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Study on the PV Mass Transfer Model of Removal of VOCs from Water
Author(s): 
Pages: 7-12
Year: Issue:  1
Journal: JOURNAL OF CHEMICAL ENGINEERING OF CHINESE UNIVERSITIES

Keyword:  传质模型PDMS/PS苯/水物系参数回归;
Abstract: 推导并回归了水中脱除VOC的PDMS/PS复合膜渗透汽化串连传质阻力模型.以苯的水溶液为实验物系,实验结果表明,料液浓度与苯的渗透通量之间存在线性关系,由此可确定模型总传质系数.研究雷诺数、活性层厚度和基膜结构对渗透通量的影响,可回归得到模型中边界层传质阻力、活性层传质阻力和基膜传质阻力计算公式.由下游压力与渗透通量的对应关系的实验数据,回归得到亨利常数;模型其它相关参数由温度对通量的影响数据进行回归.模型预测值和实测值吻合良好.
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