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Measuring Methane-Based Digester Gas Flow In Wastewater Treatment Plants

From Fluid Components Intl. (FCI)

Process and plant engineers at municipal wastewater treatment facilities need to measure, monitor and dispose of methane (CH
4) and other digester gases that occur naturally in their operations. These digester gases pose plant safety concerns, odor issues for surrounding communities and are greenhouse gas (GHG) sources contributing to the global warming phenomenon.

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Flow Switches
Flow switches are devices that monitor flow and send a trip signal to other devices, like a pump, for protection. These switches can be used for the measurement of gases, liquids, and steam.
Flow Meters
Flow meters (flowmeters) and flow sensors are devices used for measuring the flow rate or quantity of a moving fluid or gas.
Volumetric Gas Flow Switches
Volumetric gas flow switches are devices with a switch output used for measuring the flow or quantity of a moving gas in terms of a unit of volume per unit time, such as cubic feet per minute.
Gas Flow Meters
Gas flow meters are used for measuring the flow or quantity of a moving gas in an enclosed pipe or passage.
Liquid Flow Meters
Liquid flow meters are used to measure the volumetric flow rate or amount of a moving liquid.
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Topics of Interest

The engineers at a municipal wastewater treatment utility were expanding their biogas digester system and were seeking an improvement over their existing, maintenance-intensive flow metering...

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