Characteristic of removal polycyclic aromatic hydrocarbons (PAHs) from water by nanofiltration: effect of ionic strength and pH

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• Affiliation of Author(s):环境与市政工程学院
• Journal:2013青岛国际脱盐大会
• Key Words:中文关键字：多环芳烃；内分泌干扰物；截留率；纳滤，英文关键字：PAHs; Endocrine Disrupting Compound; Rejection; na
• Abstract:PAHs, which have a disrupting effects on human’s health, are increasingly noticed in aquatic environment. And it is essential to find an efficient way to remove PAHs from water. By contrast, nanofiltration technology is a better way than traditional methods. This paper offered a study on the impact of ionic strength and pH on the PAHs (naphthalene, phenanthrene and fluoranthene) removal by nanofiltration membrane. The water was used to nanofiltrate in the laboratory cross-flow membrane filtration unit. The experimental results indicated that there was a higher flux by BDXN-70 nanofiltration membrane than by BDXN-90 nanofiltration membrane and the rejection of PAHs was relatively efficiency for BDXN-70 membrane. The water background inorganic matter (pH, and ionic strength) effected the flux and PAHs rejections. The trace PAHs in water could be better rejected (rejections were more than 95%) by nanofiltration membrane stability at acidic solutions. There was little influence of rejection on different ionic strength except naphthalene. The lowest of naphthalene rejection in different ionic strength was 86%.
• Note:王旭东
• Co-author:郭晓峰,张慧慧
• First Author:wanglei,wangxudong
• Indexed by:Journal paper
• Volume:卷：
• Issue:期：
• Page Number:页：
• Translation or Not:no
• Date of Publication:2013-06-01