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首页> 美国卫生研究院文献>Data in Brief >Data on ion-exchange membrane fouling by humic acid during electrodialysis
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Data on ion-exchange membrane fouling by humic acid during electrodialysis

机译：电渗析过程中腐殖酸对离子交换膜的污染

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摘要

This data paper aims to provide data on the effect of the process settings on the fouling of an electrodialysis pilot installation treating a sodium chloride solution (0.1 M and 0.2 M) in the presence of humic acid (1 g/L). This data was used by “Colloidal fouling in electrodialysis: a neural differential equations model” to construct a predictive model and provides interpretive insights into this dataset. 22 electrodialysis fouling experiments were performed where the electrical resistance over the electrodialysis stack was monitored while varying the crossflow velocity (2.0 cm/s - 3.5 cm/s) in the compartments, the current applied (1.41 A - 1.91 A) to the stack and the salt concentration in the incoming stream. The active cycle was maintained for a maximum of 1.5 h after which the polarity was reversed to remove the fouling layer. Additional data is gathered such as the temperature, pH, flow rate, conductivity, pressure in the different compartments of the electrodialysis stack. The data is processed to remove the effect of temperature fluctuations and some filtering is performed. To maximise the reuse potential of this dataset, both raw and processed data are provided along with a detailed description of the pilot installation and sensor locations. The data generated can be useful for researchers and industry working on electrodialysis fouling and the modelling thereof. The availability of conductivity and pH in all compartments is useful to investigate secondary effects of humic acid fouling such as the eventual decrease in membrane permselectivity or water splitting effects introduced by the fouling layer.
机译：本数据文件旨在提供有关工艺设置对在腐殖酸（1 g / L）存在下处理氯化钠溶液（0.1 M和0.2 M）的电渗析中试装置结垢影响的数据。该数据被“电渗析中的胶体结垢：神经微分方程模型”所使用，以构建预测模型并提供对该数据集的解释见解。进行了22次电渗析结垢实验，其中在改变隔室中的横流速度（2.0 cm / s-3.5 cm / s）的同时，对电渗析堆的电阻进行监测，并向电池堆施加电流（1.41 A-1.91 A）输入流中的盐浓度。维持有效循环最多1.5小时，然后反转极性以去除积垢层。收集其他数据，例如电渗析堆不同隔室中的温度，pH，流速，电导率，压力。处理数据以消除温度波动的影响，并执行一些过滤。为了最大程度地利用此数据集，可以同时提供原始数据和处理后的数据，以及对试点安装和传感器位置的详细说明。产生的数据对于研究电渗析结垢及其建模的研究人员和工业可能是有用的。所有隔室中电导率和pH的可用性对于研究腐殖酸结垢的次要作用（例如膜通透性的最终降低或由结垢层引入的水分解作用）很有用。

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