The Impact of Natural Variation of OH Radical Demand of Drinking Water Sources on the Optimum Operation of the UV/H2O2 Process

Minhwan Kwon, Seonbaek Kim, Youmi Jung, Tae Mun Hwang, Mihaela I. Stefan, Joon Wun Kang

Research output: Contribution to journalArticle

Abstract

Hydroxyl radical (•OH) water demand is a key parameter which impacts the design and operation of UV/H2O2 process for water treatment. Long-term monitoring of the •OH water demand in water sources used for drinking water production indicated significant seasonal variations of this parameter (1.59 × 104 to 4.98 × 104 s-1), which coincided with the occurrence of algal blooming events. Pilot-scale tests at a drinking water treatment plant confirmed that the UV/H2O2 process performance for contaminant removal is predictable when the •OH water demand is accurately determined through a validated experimental method. A predictive tool was developed to identify the optimum operating conditions of the UV system with the UV/H2O2 process and it was used to demonstrate the significant impact of seasonal variations of •OH water demand on the operating costs.

Original languageEnglish
Pages (from-to)3177-3186
Number of pages10
JournalEnvironmental Science and Technology
Volume53
Issue number6
DOIs
Publication statusPublished - 2019 Mar 19

Fingerprint

water demand
Drinking Water
drinking water
Water
seasonal variation
hydroxyl radical
Water treatment plants
water treatment
Water treatment
Operating costs
Hydroxyl Radical
demand
pollutant
Impurities
monitoring
cost
Monitoring
water
parameter

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Environmental Chemistry

Cite this

Kwon, Minhwan ; Kim, Seonbaek ; Jung, Youmi ; Hwang, Tae Mun ; Stefan, Mihaela I. ; Kang, Joon Wun. / The Impact of Natural Variation of OH Radical Demand of Drinking Water Sources on the Optimum Operation of the UV/H2O2 Process. In: Environmental Science and Technology. 2019 ; Vol. 53, No. 6. pp. 3177-3186.
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The Impact of Natural Variation of OH Radical Demand of Drinking Water Sources on the Optimum Operation of the UV/H2O2 Process. / Kwon, Minhwan; Kim, Seonbaek; Jung, Youmi; Hwang, Tae Mun; Stefan, Mihaela I.; Kang, Joon Wun.

In: Environmental Science and Technology, Vol. 53, No. 6, 19.03.2019, p. 3177-3186.

Research output: Contribution to journalArticle

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