Landfill gas fuels turbine at US army base

Irvine, California based clean tech company, FlexEnergy Inc has installed its first commercial order of the Flex Powerstation FP250 at the Department of Defense’s (DoD) Fort Benning, GA Army base.

According to the company, the Flex Powerstation will convert landfill gas into enough renewable electricity to power the equivalent of 250 homes, reducing both the army’s carbon footprint and bottom line.

FlexEnergy manufactures a product line of low emission turbines which it claims to be extremely flexible for fuel requirements.  The company says that the Flex powerstation is the integration of a proprietary thermal oxidiser and a Flex-customised gas turbine combined with unique system architecture and software control algorithms.

Flex claims that the system completely oxidises air with dilute methane mixtures (1.5% methane). The Flex tolerates both moisture and siloxanes in the landfill gas, and is capable of running directly on low pressure, low flow, and low Btu fuel gas.

FlexEnergy Inc CEO Joe Perry explains: “Instead of venting or flaring waste gases from landfills, our Flex Powerstation enables customers to turn those methane gases into energy and solve environmental problems associated with methane at the same time.”

FlexEnergy says that its technology was selected for Fort Benning by Southern Research Institute under a demonstration programme funded by the DoD Environmental Security Technology Certification Program, which seeks innovative and cost-effective technologies to address its high-priority environmental and energy requirements.

Initial operational tests have been completed and according to the company the system will be generating electricity continuously for the army base in a matter of weeks.

The system is expected to produce 250 kW of energy.

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