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Hydrogen in Gas Turbine Engine

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Hydrogen in Gas Turbine Engine ( hydrogen-gas-turbine-engine )

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“ The Capstone microturbines provide a reliable and economical solution to what would otherwise be an environmental problem.” — Beat Näf, President and CEO Acrona Systems Ltd. Annually, the 12 microturbines produce about 6.5GWh of electricity, enough electricity to power 1,500 households. “The reason we have installed 12 CR65s is because of exhaust gas temperature,” said Beat Näf, President and CEO of Capstone distributor, Acrona Systems Ltd. “The CR65 comes with an exhaust gas temperature of 305°C (581°F). This hot exhaust air is used for the direct production of steam. After the steam boiler, the exhaust gas still has a temperature of about 170°C (338°F). This warm air is used as an energy source for the drying process. We even use the warm air for cooling the electronics. By doing that we have an overall efficiency of more than 90 percent. This is an excellent value for this kind of plant.” Capstone’s “CR” (for “Capstone Renewable”) microturbines make system design easier than using traditional generating technologies because they can operate on a wide range of energy contents, automatically adjust to changing energy densities over time, and can accept high levels of contaminants such as hydrogen sulfide (H2S). The CR65 is able to operate with up to 5,000-parts-per-million. This may avoid the need for H2S cleanup altogether, with associated benefits in capital and maintenance costs. “We produce green energy because we don’t use oil for producing steam or hot air,” Habermacher said. In addition, the plant can feed surplus power back into the local grid. “We get a better price for the electrical power we bring into the electrical system in Switzerland,” he said. “The Capstone microturbines provide a reliable and economical solution to what would otherwise be an environmental problem,” Näf said. “This site is responsible for 1.7 percent of CO2 reduction in Switzerland that is required under the Kyoto Protocol.” The Kyoto Protocol is an international treaty facilitated by the United Nations Twelve CR65 Capstone microturbines installed in a CHP application at the Gefu Produktions AG manufacturing facility in Lucerne, Switzerland, use milk sugar from the manufacturing process to generate onsite electricity and heat. that sets binding regulations on industrialized countries to reduce emissions of greenhouse gases. Gefu Producktions is regarded as a trailblazer in Switzerland. “The CO2 reduction is important to Gefu Produktions,” Näf said. “It should be important to everybody, not just here. The difference is they take it seriously, and are doing something about it, not just talking about it.”  21211 Nordhoff Street • Chatsworth • CA • 91311 • 866.422.7786 • 818.734.5300 • www.capstoneturbine.com ©2014 Capstone Turbine Corporation. P0314 Case Study CAP422

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