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    News 18.07.2016

    First liquid salt storage facility with one tank

    High-temperature heat storage tanks ensure that power plants work more flexibly and industrial process heat can be temporarily stored. Researchers at the German Aerospace Center (DLR) have therefore developed a heat storage tank for temperatures up to 560 degrees Celsius, which stores the heat in molten salt. Construction work on the testing facility began at the start of July 2016.  more...
     

    Dry lignite increases flexibility

    Shoulder to shoulder with the energy transition: Coal plants are becoming more flexible to enable more energy from renewable sources to be used to supply the electricity grid. The output from renewable sources is currently not enough to meet the entire energy demand in Germany at all times. But their share is growing. This is transforming the role of conventional power plants: instead of providing constant base loads, they now have to cover fluctuating residual loads. To achieve this, pilot burners with integrated plasma ignition are being used for the first time in the world at a power plant in Jänschwalde in Brandenburg. These are using dry lignite as the fuel.  more...
     

    Generating syngas from plastic wastes

    A newly developed gasification process utilises waste plastics, carbon-containing sorting residues and rubber parts as well as shredded materials in the automotive industry. It can also process chlorine-containing plastic streams with PVC fractions in an environmentally friendly and efficient manner. It produces a purified syngas without flue gas emissions. In the process, lime serves as a transport medium and simultaneously binds halogens and other harmful substances. The gas generated in the shaft kiln can replace valuable primary energy sources such as natural gas in high-temperature processes or be used to generate electricity in efficient gas engines.  more...
     
    Themeninfo I/2016

    Thermoelectrics: power from waste heat

    Waste heat is produced in all areas of daily life – in industry, homes and transport. In Germany alone, this adds up to a waste heat potential of 300 TWh per year. This energy volume corresponds to nearly half the total energy consumed by German industry. Thermoelectric generators (TEGs) can tap into this huge energy reservoir and transform the "waste energy" without moving parts into a higher form of energy.  more...
     
    News 03.02.2016

    Coal gasification – efficient and flexible

    Taken together with renewable energy sources, conventional power plants are of particular importance. Although the share of solar and wind energy continues to rise, conventional power plants will still remain necessary for the time being. But they need to be more flexible now: on the one hand, flexible in terms of their performance, and on the other in terms of fuel. Gasification of solid fuels is one way in which conventional power plants could be operated in the future. In the HotVeGas research project, scientists are examining the possibilities of this technology on a fundamental level. The third project phase is starting in January 2016.  more...
     

    AmpaCity receives innovation award

    Since the spring of 2014, a superconducting cable helps to ensure that the lights stay on in the centre of Essen. It transmits up to 40 megawatts of electricity – almost without loss. With AmpaCity, researchers from science and the electricity industry are demonstrating how high voltage lines and transformer substations could be eliminated in urban areas. On 20 January 2016, the project, which is funded by the German Federal Ministry for Economic Affairs and Energy, was conferred the German Innovation Prize for Climate and the Environment.  more...
     

    Energy centre supplies Giessen University Hospital

    Giessen’s municipal utility company and University Hospital have jointly constructed the first energy centre to be integrated into a local heating and cooling network. The newly developed combined cooling, heating and power system ensures an uninterrupted supply to the hospital. It saves 21.7 % of the primary energy and 33.6 % of the CO2 emissions.  more...
     

    Greater efficiency: Generating steam in receivers

    On the Plataforma Solar de Almería in southern Spain, scientists from the German Aerospace Center (DLR) have developed a new way of generating solar steam. In the installation, the steam used for producing electricity is generated directly in the receiver tubes in the parabolic troughs. This therefore eliminates intermediate steps using heat transfer media and also enables higher operating temperatures of up to 550 degrees Celsius. This should therefore enable parabolic trough power plants to produce electricity more efficiently and cheaply.  more...
     
    News 29.07.2015

    Energy thanks to lunar power

    Researchers are developing a new approach for generating energy from tidal currents. Here they are combining a semi-submerged platform with several small-sized instream turbines. This means that the tidal power plant requires less maintenance than is usually required. However, in order to achieve the highest possible energy yields it requires strong water currents. Canada’s Bay of Fundy has an exceptionally high tidal range exceeding 15 metres. This is where it is planned to build the hydropower plant so that it can provide the first electricity in 2017.  more...
     
    News 24.06.2015

    Nickel alloys allow for higher temperatures inside power plants

    Higher temperature differences can increase the efficiency of power plants, and thus lower CO2 emissions. The lower limit is determined by the outside or ambient temperature, and the upper limit depends on material properties. As part of the research project HWT II (high-temperature material test track II), experts examined the behaviour of thick-walled pipe and fitting components during the required flexible operation at temperatures of up to 725 °C.  more...
     

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