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DOI: https://doi.org/10.4491/eer.2018.021
Occurrence and control of N-nitrosodimethylamine in water engineering systems
Yongning Bian1,2, Chuang Wang1,2, Guocheng Zhu1,2,3, Bozhi Ren1, Peng Zhang2, and Andrew S. Hursthouse1,4
1Hunan Provincial Key Laboratory of Shale Gas Resource Utilization, Hunan University of Science and Technology, Xiangtan 411201, China
2College of Civil Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
3School of Resource Environment and Safety Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
4School of Science & Sport, University of the West of Scotland, Paisley PA1 2BE, UK
Corresponding Author: Guocheng Zhu ,Tel: +86-731-58290269 , Fax: +86-731-58290269, Email: zhuguoc@hnust.edu.cn, zgc945ahhn@163.com
Received: January 9, 2018;  Accepted: May 5, 2018.
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ABSTRACT
N-nitrosodimethylamine (NDMA) is a typical nitrogen disinfection by-product, which has posed a potential threat to human health during drinking water disinfection. Because of the well-known effects of mutagenesis, carcinogenesis and teratogenesis, the high detection rate in water engineering systems (such as coagulation, membrane filtration and biological systems), and difficulty to remove, it has received wide concern in the field of water engineering systems. The NDMA is a low molecular weight hydrophilic organic substance, which is difficult to remove. Also, the mechanism for NDMA formation is also recognized to be complex, and many steps still needed to be further evaluated. Therefore, the mechanistic knowledge on NDMA formation potential and their removal processes is of particularly interest. Few papers summarize the occurrence and control of NDMA in water engineering systems. It is for this reason that the content of this paper is particularly important for us to understand and control the amount of NDMA thus reducing the threat of disinfection by-products to drinking water. Four parts including the mechanisms for the NDMA formation potential, the factors affecting the NDMA formation potential, the technologies for removal of NDMA are summarized. Finally, some definite suggestions are given.
Keywords: Disinfection by-products | Natural organic matter | N-nitrosodimethylamine | Water
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Occurrence and removals of micropollutants in water environment  2016 December;21(4)
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