In addition to stripping inorganic contaminants from water streams, ERG designs VOC stripping systems to remove dissolved volatile organic compounds from polluted water so it can be reused or discharged compliantly. Using air or other stripping gases, VOCs are transferred from the liquid phase into a controlled gas stream that can then be treated using ERG’s range of VOC abatement technologies.
A recent example is at a UK oil reprocessing refinery, where raw water contaminated with a mixture of VOCs including BTEX (benzene, toluene, ethylbenzene and xylene) is treated in an ERG air stripper operating at ambient temperature.
The system achieves up to 99.8% BTEX removal efficiency from the water stream, allowing the treated water to be reused on site.
The contaminated air stream leaving the stripper can either be discharged directly to atmosphere if the site emissions permit allows, or routed to a downstream VOC abatement stage. This flexibility lets the overall solution be tailored to local regulatory requirements and site priorities.
Once VOCs have been stripped from the water into the gas phase, ERG can provide several options for treating the contaminated air stream, including:
By combining liquid‑phase stripping with appropriate gas‑phase treatment, ERG can deliver complete VOC abatement solutions that address both water quality and air emissions. You can learn more about ERG’s VOC abatement technologies here.
Industrial gas cleaning/Thermal systems
System Maintenance
Odour control
Plastic-GRP Fabrication