Dropzone Newsletter

April 2019


Oil-Grit Separators: The Difference Between Oil Capture and Oil Retention

Oil-Grit Separators: The Difference Between Oil Capture and Oil Retention

By: Imbrium Systems
The use of an oil-grit separator (OGS) for treating stormwater runoff can be a very effective measure for preventing hydrocarbon spills from reaching downstream waterways. However, performance for oil capture and oil retention varies widely among the many marketed OGS devices. Most OGS devices are capable of capturing dry weather spills, but some devices have problems retaining the oil during stor...

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