October 2003


Apply biofiltration methods to manage VOC emissions

"Green" technology can offer economic benefits while complying with permit requirements

Morrison, J., BP AMOCO; Schowengerdt, M., Envirogen, Inc.; Vernengo, S., Superior Engineering

In the 1970s, the EPA Clean Air Regulations referred to as the Benzene National Emissions Standards for Hazardous Air Pollutants (NESHAP), required certain industries to reduce benzene emissions. The hydrocarbon processing industry (HPI) was directly affected by these regulations. To promote environmental stewardship and to comply with these regulations, a refinery located in Indiana took steps to drastically reduce its benzene emissions. One program the refinery implemented was a project to cover dissolved air flotation (DAF) wastewater treatment units to capture fugitive benzene, toluene, ethylbenzene and xylene (BTEX) emissions and treat those emissions through granular activated carbon

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