New kinetic database improves chemical monitoring in water treatment processes
In short: Researchers studying advanced oxidation processes for water treatment have determined the reaction rates for over 150 chemical interactions. By measuring how probes and quenchers react with species like hydroxyl and sulfate radicals, the study provides a more accurate way to select and dose the chemicals used to monitor these purification processes.
A lack of fundamental kinetic data often leads to the incorrect selection or dosing of chemicals used to track reactive species in water treatment. This study established a new database of second-order rate constants for various radicals and oxidants.
The researchers also proposed new protocols for quantifying reactive species without interference from the probes themselves. However, the study notes that these probe and quencher approaches have inherent limitations and may need to be used alongside other analytical tools.
Why it matters: A new database of reaction rates allows for more precise monitoring and design of water treatment processes.
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Sources
- Summary by Intellect · source: Research: Yu et al. (2023). Assessing the Use of Probes and Quenchers for Understanding the Reactive Species in Advanced Oxidation Processes. Environmental Science & Technology.
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