A new method for modeling rough membrane surface and calculation of interfacial interactions
A new method for modeling rough membrane surface and calculation of interfacial interactions
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粗糙膜表面建模和界面相互作用计算的新方法
DOI：
10.1016/j.biortech.2015.10.055
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发表时间：
2016
影响因子：
11.4
通讯作者：
Hongjun Lin
中科院分区：
文献类型：
--
作者：
Leihong Zhao;Meijia Zhang;Yiming He;Jianrong Chen;Huachang Hong;Bao-Qiang Liao;Hongjun Lin
膜污染的控制需要建立一种有效的方法来评估污染物与粗糙表面膜之间的界面相互作用。本研究提出了一种新的方法，其中包括一个严格的数学方程建模膜表面形态，并结合表面元素积分（SEI）方法和复合辛普森的方法来评估界面相互作用。新方法为定量计算污染物与粗糙表面膜之间的界面相互作用提供了一个完整的解决方案。在膜生物反应器（MBR）中的应用结果表明，通过设置较大的分段数，可以获得较高的计算精度，而且膜表面粗糙度的存在显著削弱了3个能量分量的强度和能垒，表明膜表面形貌对MBR中的膜污染有着深刻的影响。计算结果与实验结果吻合较好，表明该方法是可行的。
Membrane fouling control necessitates the establishment of an effective method to assess interfacial interactions between foulants and rough surface membrane. This study proposed a new method which includes a rigorous mathematical equation for modeling membrane surface morphology, and combination of surface element integration (SEI) method and the composite Simpson’s approach for assessment of interfacial interactions. The new method provides a complete solution to quantitatively calculate interfacial interactions between foulants and rough surface membrane. Application of this method in a membrane bioreactor (MBR) showed that, high calculation accuracy could be achieved by setting high segment number, and moreover, the strength of three energy components and energy barrier was remarkably impaired by the existence of roughness on the membrane surface, indicating that membrane surface morphology exerted profound effects on membrane fouling in the MBR. Good agreement between calculation prediction and fouling phenomena was found, suggesting the feasibility of this method.