BTEX is the collective name for a group of volatile organic compounds that can contaminate natural waters through a variety of sources. BTEX are known to have a detrimental effect on humans and as a result, online BTEX monitors can sometimes be found on drinking water treatment works. Industrial manufacturers may be required to measure BTEX if they discharge their wastewater to watercourses or to municipal wastewater treatment plants.

BTEX online measurement is achieved via a UV-fluorescence method. Benzene, Toluene, Ethylbenzene and Xylene will all fluoresce to varying degrees in the presence of UV light making online BTEX monitoring possible. UV-Fluorescence is the most sensitive method available for online measurement of hydrocarbons making it the best solution for intake protection and pollution monitoring.

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TDHI UV fluoresence monitors

An online hydrocarbon analyser for BTEX.

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