WASHINGTON, June 18, 2012 /PRNewswire/ -- Robert Marrs, Managing Director of the Unity Power Alliance (UPA) will present the benefits of pressurized oxy-combustion (POXC) technology on June 20 at the 2012 "Cutting Edge Coal Utilization Showcase" sponsored by the Coal Utilization Research Council (CURC) for members, congressional staff, and invited energy industry guests.
"UPA is working to accelerate the development of clean coal power plants utilizing POXC, which offers significant cost and efficiency advantages over alternative technologies, allowing coal to burn cleaner and more efficiently, with dramatically higher heat transfer rates," Marrs said. Enel S.p.A., one of the world's largest utilities, has contributed significant support to the advancement of the technology.
Additional benefits include the ability to capture CO2 under pressure with virtually zero emissions, provide net efficiencies greater than 35%, the ability to retrofit brownfield facilities, deliver a net water neutral water solution, and eliminate the hazardous elements of fly ash, Marrs noted.
UPA will be able to utilize ITEA of Italy's patented flameless ISOTHERM Pwr technology that has been proven at both a 5MWth facility in Italy and a 15MWth facility in Singapore, Marrs said. The combination of ThermoEnergy's high pressure oxy-combustion patents with ITEA's lower pressure oxy-combustion technology and know-how will facilitate the rapid implementation of a nominal 50MWth pilot, followed by a 320MWe facility, Marrs added.
POXC captures nearly 100% of the CO2 under pressure, as well all of the SOx, NOx, Hg and PM associated with conventional coal power plants. Notably, the system does not require extensive Flue Gas Recycling (FGR) treatment associated with atmospheric oxy-combustion systems, thereby eliminating significant CAPEX and OPEX costs, Marrs said.
In addition, Marrs noted that low-ranking coals, such as sub-bituminous and lignite can also be utilized cost effectively, as the high pressure process actually captures the latent heat of vaporization, allowing for both a more efficient and cost effective process.
ITEA and ENEL S.p.A. also have a technology for a flexible "boiler" system, wherein the plant can ramp from 10% to 100% load factor in 30 minutes, allowing coal plants to be able to be incorporated into power grids with increasingly variable supply characteristics (i.e. wind and solar), Marrs said.
POXC technology is expected to surpass all of the goals set forth by the U.S. Department of Energy (DOE) in its Clean Coal energy roadmap and is ready to be implemented on a 50MWth pilot scale, Marrs pointed out.
Thermo Energy is a diversified technologies company engaged in the worldwide development, sales and commercialization of patented and/or proprietary wastewater treatment and power generation technologies. Additional information on the Company and its technologies can be found on its website at www.thermoenergy.com.
About ITEA S.p.A
ITEA S.p.A is an Italian engineering and technology company that has been acquired by Sofinter Group (http://www.sofinter.it/), one of the most dynamic European players providing high technology, energy-recovery solutions. The Sofinter Group also includes: Ansaldo Caldaie - a world leader in the production of power boilers that use traditional fuels, biomass and municipal solid waste; Macchi - a world leader in the production of co-generation boilers for industrial and process plants; and Europower – an Italian leader in the implementation of medium size (10-50MW) cogeneration plants. ISOTHERM Pwr Flameless Oxy-Combustion patented by ITEA produces low-cost energy (steam and electricity) by flexible use of low ranking fuels such as waste, heavy oils, pet coke, and coal, while meeting strict environmental regulations. The ISOTHERM Pwr is a high-yield energy-recovery technology suitable for different fuels end-of-line residues from refinery, petrochemical, pharmaceutical and other process industries.
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SOURCE ThermoEnergy Corporation