QED launches EZR Tray air stripper for removing VOCs from water19 April 2022

QED Environmental Systems, a manufacturer of environmental products, has launched the EZR Tray air stripper, a stainless steel tray sliding air stripper for removing volatile organic compounds (VOCs) from contaminated groundwater and waste streams.

The EZR Tray air stripper’s design is described as resulting in very high removal efficiencies. As contaminated groundwater enters through the top of the EZR Tray air stripper, millions of air bubbles are forced by blower pressure up through the perforated trays. This creates a turbulent froth zone with a high air-to-liquid surface area for mass transfer of VOCs from liquid to air. Using the froth instead of a conventional tower packing delivers high VOC removal efficiencies, even under fouling conditions, says QED.

The EZR Tray air stripper provides access for process monitoring and inspection, even while in operation. It can be cleaned by one person with a simple pressure wash. Typical treatment costs range from $0.10 (£0.08) to $0.20 (£0.15) per 1,000 gallons (3,785 litres) of drinking water.

According to QED, air stripping with the EZR Tray air stripper removes trihalomethanes (THMs), which can form in drinking water when disinfectants like chlorine break down precursor organic compounds, normally organic solids.

QED products are distributed in the UK by Bedfont Scientific of Maidstone, Kent and Gem Scientific of Batley, West Yorkshire.

Operations Engineer

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