梁杰^1,2,刘杰^1,2,3,袁俊生^1,2,3,纪志永^1,2,3,赵颖颖^1,2,3,郭小甫^1,2,3,李非^1,2,3,王士钊^1,2,3

• 1:河北工业大学 化工学院，天津 300130
• 2:海水资源高效利用化工技术教育部工程研究中心，天津 300130
• 3:河北省现代海洋化工技术协同创新中心，天津 300130

摘要(Abstract)：

针对电渗析法含盐水浓缩过程中有机物迁移对高浓度盐水纯度及后续蒸发结晶过程的影响，开展了有机物电解质在电渗析过程中的迁移规律的研究。选择苯甲酸、苯甲酸钠、柠檬酸、柠檬酸钠4种典型有机物，研究了电流、NaCl浓度、有机物浓度、淡室溶液pH等因素对上述有机物迁移通量的影响。实验结果表明，有机酸及其盐的迁移通量随着电流、有机物初始浓度、淡室pH的增加而增加，随着氯化钠初始浓度的增加而降低。有机酸及其盐的电迁移受离子化程度、分子尺寸及结构共同影响，不同条件下上述作用对有机物迁移过程影响程度不同。而在恒定电流下，NaCl浓度、有机物浓度、淡室溶液pH和有机物种类对NaCl和水的迁移均无明显影响。

关键词(KeyWords)： 电渗析;盐水浓缩;含盐废水;有机弱电解质

Abstract:

Keywords:

基金项目(Foundation): 河北省重点研发计划项目（18394008D）；河北省科学技术厅+河北工业大学科技创新战略资助项目（20180401）。

作者(Author): 梁杰^1,2,刘杰^1,2,3,袁俊生^1,2,3,纪志永^1,2,3,赵颖颖^1,2,3,郭小甫^1,2,3,李非^1,2,3,王士钊^1,2,3

DOI: 10.3969/j.issn.1003-9015.2021.04.006

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