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The Ener-Core Power Oxidizer EC250 is the integration of an power oxidizer system (instead of a conventional internal combustion engine) and a FlexEnergy turbine, that creates an electricity and thermal energy production system with almost zero emissions and a wide range of gaseous fuels. The EC250 is able to operate on dilute gas streams with as little as 5% methane content. Moreover, it can handle gaseous fuels that contain siloxanes and moisture.
The Ener-Core Power Oxidizer EC250 is the only solution of pure energy that works directly with a gas of low BTU.
Figure 1 shows a traditional gas turbine station: In conventional technologies, compressed fuel is injected into compressed air and combusted to raise the temperature even further. This high-temperature and high pressure fuel/air mixture spins the turbine at high speeds to generate electricity. Each fuel is different and therefore requires its own compressor, clean-up and unique combustor. The siloxane removal and fuel conditioning system is the weakest link in traditional gas power plants. Fuel conditioning consumes up to 20% of the power generated. With the Ener-Core Power Oxidizer EC250 fuel conditioning and siloxanes removal is substantially eliminated, as shown in Figure 1.
Figure 2 shows the operation of Ener-Core Power Oxidizer EC250 with its unique characteristics – discrete box at the bottom of the chart. Fuel is aspirated with air forming a fuel/air mixture of 15 Btu / cft that is compressed. The energy released is oxidized by the Power Oxidizer in a gradual oxidizer. The high temperature and pressure developed in the oxidizer is then used to spin the turbine and generate electricity. The Power Oxidizer EC250 does not require a fuel compressor or fuel processing. Regardless of the initial Btu content of the fuel, it is diluted with air at 15 Btu / cft (1,5% methane, or 1.5% of the power of natural gas).
|Nominal Electrical Output||250kW|
|Minimum Fuel Higher Heating Value||1.9 MJ/m3 (50Btu/scf)|
|Fuel Supply Pressure Range||21-34 kPa (3-5 psig)|
|NOx Concentration in Exhaust Gas||<1ppm|
|CO Concentration in Exhaust Gas||<1ppm|
|Heat Rate (HHV) :||15400 kJ/kWh (14600 Btu/kWh)|
|Exhaust Gas Temperature||232-2600C (450-5000 F)|
|Exhaust Gas Mass Flow||2.13 kg/s (4.7 lb/sec)|
|System Weight||24500 kg (540000 lbs)|
|System Footprint||732cm x 274 cm x 716 cm tall (24 ft x 9 ft x 23.5 ft)|
The Ener-Core Power Oxidizer EC250 efficiently operates on a wide variety of fuel sources, including waste gas with as little as 5% methane.
Ener-Core Power Oxidizer emissions are slated to meet the stringent California Air Resources Board 2013 regulations for waste gas and are over 30 times lower than the U.S. average for existing power plants.
The table below represents a comparison of emissions data between the Ener-Core Power Oxidizer, current emissions standards and future emissions standards. (Emissions Standards diagram. PPMV @15% O2.)
PPMV @ 15% O2
||< 1||< 1||< 1||< 1|
Distributed Generation Waste Gas Rule®
|< 10||≈ 1||120||< 3|
Landfill/Digester IC Engines