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In a case study, Fluid Components International (FCI) profiles the engineers at a municipal wastewater treatment utility who were expanding their biogas digester system and were seeking an improvement to their existing, maintenance-intensive flow metering technology. They needed to measure the amount of gas contained within a gas bag as well as the flow rate of the gases traveling from the gas bag system into a co-generation power system.

Digester Gas is a mixed composition, consisting of methane, CO₂ and trace gases. The amount of biogas flowing is a critical process parameter in order to prevent an excessive build-up of gas in the digester, to minimize excess waste gas flaring into the environment, to ensure operation of the co-generation engine system and to prevent the release of the potentially hazardous gas that might threaten plant personnel or send high levels of obnoxious odors into areas outside the plant. Click here to download the entire case study.