Kinetics and mechanisms of nitrate and ammonium formation during ozonation of dissolved organic nitrogen

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• 作者：Glen Andrew de Vera^a ; ^e ; Wolfgang Gernjak^a ; ^b ; ^c ; Howard Weinberg^d ; Maria José ; Farré ; ^a ; ^b ; Jurg Keller^a ; ^{j.keller@uq.edu.au} ; Urs von Gunten^e ; ^f ; ^{vongunten@eawag.ch}
• 关键词：Ozonation ; Dissolved organic nitrogen ; O3 exposure ; Nitrate ; Ammonium
• 刊名：Water Research
• 出版年：2017
• 出版时间：1 January 2017
• 年：2017
• 卷：108
• 期：Complete
• 页码：451-461
• 全文大小：1456 K
• 卷排序：108

文摘

Ozonation of dissolved organic nitrogen forms NO3− and NH4+. NO3− concentrations correlate with O3 exposures. Lower O3 doses cause higher NH4+ concentrations. Amine-N oxidation from oxygen transfer induces NO3− formation. NH4+ is induced from electron-transfer reaction involving ozone.