用于废水处理的微生物絮凝剂的制备、性能和机制。
Preparation, Performances, and Mechanisms of Microbial Flocculants for Wastewater Treatment.
机构信息
College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China.
Guangdong Provincial Key Laboratory of Petrochemical Pollution Processes and Control, School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China.
出版信息
Int J Environ Res Public Health. 2020 Feb 20;17(4):1360. doi: 10.3390/ijerph17041360.
Abstract
In recent years, close attention has been paid to microbial flocculants because of their advantages, including safety to humans, environmental friendliness, and acceptable removal performances. In this review, the preparation methods of microbial flocculants were first reviewed. Then, the performances of bioflocculants in the removal of suspended solids, heavy metals, and other organic pollutants from various types of wastewater were described and commented, and the removal mechanisms, including adsorption bridging, charge neutralization, chemical reactions, and charge neutrality, were also discussed. The future research needs on microbial flocculants were also proposed. This review would lead to a better understanding of current status, challenges, and corresponding strategies on microbial flocculants and bioflocculation in wastewater treatment.
摘要
近年来，由于微生物絮凝剂具有安全性高、环境友好和去除性能良好等优点，受到了密切关注。在本综述中，首先回顾了微生物絮凝剂的制备方法。然后，描述并评论了生物絮凝剂在去除各种类型废水中的悬浮物、重金属和其他有机污染物方面的性能，并讨论了包括吸附架桥、电荷中和、化学反应和电荷中和在内的去除机制。还提出了对微生物絮凝剂的未来研究需求。本综述将有助于更好地了解当前微生物絮凝剂和废水生物絮凝在废水处理方面的现状、挑战和相应策略。
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