期刊
WATER RESEARCH
卷 160, 期 -, 页码 107-117出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.watres.2019.05.046
关键词
Differential electrochemical mass spectroscopy (DEMS); Boron-doped diamond anodes (BDD); Electrochlorination; Water treatment; Chlorine active species; Electrochemical advanced oxidation
资金
- Green Talents award from Forschung fur Nachhaltige Entwicklung of Bundesministerium fur Bildung and Forschung of the German Federal Government
Ubiquitous presence of chloride in water effluents may result in the unavoidable electrogeneration of active chlorine species when considering the application of electrochemical advanced oxidation processes as water treatment technologies. However, less attention has been drawn to the subsequent generation of other combined chlorine species such as chloramines. In this work, the electrogeneration of chloramines has been assessed in different water matrices containing NHCl4, urea or synthetic urine. The yield of chloramines has been followed in-situ by differential electrochemistry mass spectroscopy (DEMS) during electrochemical advanced oxidation process with boron-doped diamond (BDD) anodes. Furthermore, the influence of several variables such as chloride concentration, pH or organics concentration on the different distribution of inorganic monochloramine, dichloramine and trichloramine released as products has been considered. (C) 2019 Elsevier Ltd. All rights reserved.
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