Effect of copper corrosion products on the formation and speciation of haloacetamides and haloacetonitriles during chlorination

Huang, Huang; Shao, Kai-Li; Duan, Si-Yu; Zhong, Chu-Ying

doi:10.1016/j.seppur.2018.10.025

Cited by 19 publications

(1 citation statement)

References 37 publications

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“…Free chlorine residuals in this study ranged from 5–20 mg/L (which exceed the U.S. EPA maximum disinfectant residual levels for drinking water). Other researchers have reported copper catalysis of trihalomethanes, haloacetic acids, haloacetamides, haloacetonitriles, N‐nitrosodimethylamine, and total organic halogen (TOX) depending on a variety of conditions (Fu et al, 2009; Hu et al, 2016; Huang et al, 2019; Liu & Croué, 2015; Zhang & Andrews, 2013). In some cases, conditions that favored the formation of certain disinfection by‐products promoted the decay of other compounds.…”

Section: Impact Of Water Quality Parameters On Csi Treatmentmentioning

confidence: 99%

Examining the efficacy of copper‐silver ionization for management of Legionella: Recommendations for optimal use

LeChevallier¹

2023

AWWA Water Science

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Although copper‐silver ionization (CSI) has been used for 30 years to inactivate Legionella bacteria and other opportunistic pathogens in water, the literature is a mix of both successes and failures. This paper reviews the technology and case studies to help improve the success of CSI installations. Important is a properly designed system capable of consistent delivery of copper/silver ions at their target levels. However, even the most advanced system will fail if not properly operated and maintained. Water chemistry can impact the performance of CSI systems and attention should be on conductivity, temperature, oxygen, flow, pH, chloride, sulfate, alkalinity, hardness, phosphate and dissolved organic carbon levels. Several case studies are provided to demonstrate the effectiveness of CSI treatment even at high pH levels. The report concludes that the use of CSI to control Legionella and other opportunistic pathogens is highly effective when the units are properly designed, maintained, and operated.

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Section: Impact Of Water Quality Parameters On Csi Treatmentmentioning

confidence: 99%

Examining the efficacy of copper‐silver ionization for management of Legionella: Recommendations for optimal use

LeChevallier¹

2023

AWWA Water Science

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Effects of Ions on THM Formation During Chlorination of Bromide-Containing Water

Wang

et al. 2020

Water Air Soil Pollut

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Kinetic and mechanistic study of the effect of Cu(II) on monochloramine stability in bromide-containing waters

Wei

Allard

2023

Chemical Engineering Journal

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Effect of copper corrosion products on the formation and speciation of haloacetamides and haloacetonitriles during chlorination

Cited by 19 publications

References 37 publications

Examining the efficacy of copper‐silver ionization for management of Legionella: Recommendations for optimal use

Examining the efficacy of copper‐silver ionization for management of Legionella: Recommendations for optimal use

Effects of Ions on THM Formation During Chlorination of Bromide-Containing Water

Kinetic and mechanistic study of the effect of Cu(II) on monochloramine stability in bromide-containing waters

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