• BTEX analysis in water for refinery processes
    Chromatotec's analysis system - the airmoVOC


BTEX analysis in water for refinery processes

Apr 21 2021

Environmental guidelines regarding BTEX monitoring in water have recently changed, with limits of quantification of BTEX decreasing in water used for human consumption. This includes, as a consequence, all fresh water streams. Refineries are particularly targeted by these new guidelines and need to adapt their monitoring systems. 

To address the new guidelines, Chromatotec offers an analysis system capable of quantifying the following chemical species: benzene, toluene and xylene; the airmoVOC Purge and Trap with hydrogen and nitrogen generators and zero air catalyser. The system can be installed in a runoff sewage holding tank of the pavement laying of the installations. 

The sampling is carried out below the surface of the liquid, to avoid aspiration of floating particles and to keep away from the bottom of the tank and avoid extraction of sludge. This sampling system is placed outside a box, near the place where waters are collected. A pump is carrying liquids to the sampling and filtration box, and then inside the analytical shelter where the analyzer is installed. 

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Asian Environmental Technology 27.2 - April/May 2023

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