Showing results for: drinking water THM Articles
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Total trihalomethane measurement using a reagentless and contactless analyser developed by Multisensor Systems Ltd.
Abstract Awareness of risks associated with THMs in drinking water has increased steadily over the course of the last three decades. A number of technologies have been developed to provide Water Treatment Plants with the tools to perform on-line monitoring of THMs in drinking water. This article describes the state of art of on-line THM analysers and focuses on the e-nose based system. Data from ...
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THM monitoring in a drinking water plant in the east of Spain - Case Study
APPLICATION Online THM monitoring at a drinking water plant. CUSTOMER Water Utility PROBLEM The local health authority had warned that the THM level in the water supplied to households in the region was above or near the limit imposed by the law. For this reason, the local WTP was asked to install an on-line THM monitoring system and implement improved control of the ...
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Method for trihalomethane analysis in drinking water by solid-phase microextraction with gas chromatography and mass spectrometry detection
Headspace solid-phase microextraction coupled with gas chromatography and mass spectrometry detection (HS/SPME-GC/MSD) was optimized for trihalomethane (THM) determination in drinking water. A 75 μm fiber coated with carboxen/polydimethylsiloxane (75-CAR.PDMS) was used. Experimental parameters such as sample volume, time and temperature of extraction, time and temperature of desorption, ...
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Santa Cruz Meets THM/DBP Challenge with Unique Air Stripping Process - Case Study
Summary Santa Cruz has successfully demonstrated an innovative way for the City to meet its water quality goals while using process recycled water as part of its supply source. Using the recycled water had caused concern about reliably meeting the U.S. EPA THM/DBP potable water quality standards in its finished water. The City evaluated various aeration treatment processes and chose an E-Z ...
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Should We Be Concerned About Disinfection Byproducts?
Chlorinating water can lead to the formation of harmful compounds, but there are treatment alternatives Water utilities often chlorinate drinking water to kill pathogens that could pose a risk to human health. However, when chlorine is used to treat water, it can cause a chemical reaction with natural inorganic or organic compounds, which may be derived from decaying plants, algae, or animal ...
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Control of disinfection byproduct (DBP) precursors by soil aquifer treatment (SAT): what length of hydraulic retention time (HRT) is necessary?
The study attempted to determine the hydraulic retention time (HRT) required for soil aquifer treatment (SAT) to reclaim water as potable water in an aspect of controlling disinfection byproduct (DBP) precursors. In order to evaluate the removal of DBP precursors, the uniform formation condition was used to estimate the formations of trihalomethanes (THMs) and haloacetic acids (HAAs). ...
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