Identification and quantification of ineffective chlorine by NaAsO 2 selective quenching method during drinking water disinfection

Zhang, Tianyang; Lin, Yi-Li; Xu, Bin; Hu, Chen-Yan; Wang, Zhen; Tian, Fuyang; Gao, Naiyun

doi:10.1016/j.cej.2015.04.126

Cited by 18 publications

(1 citation statement)

References 32 publications

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“…It is a process which is used to kill the pathogenic microorganisms in water, and prevent the outbreak and spread of many diseases [1][2][3]. Chlorine-based disinfection is one of the most widely used methods for water treatment plants [4,5]. The observation of numerous disinfection by products (DBPs) (e.g.…”

Section: Introductionmentioning

confidence: 99%

Occurrence and control of N-nitrosodimethylamine in water engineering systems

Bian

Wang

Zhu

et al. 2018

Environmental Engineering Research

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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.

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Section: Introductionmentioning

confidence: 99%