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000058939 020__ $$a978-3-89336-491-6
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000058939 041__ $$aGerman
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000058939 1001_ $$0P:(DE-Juel1)VDB56762$$aOleschko, Holger$$b0$$eCorresponding author$$gmale$$uFZJ
000058939 245__ $$aFreisetzung von Alkalien und Halogeniden bei der Kohleverbrennung
000058939 260__ $$aJülich$$bForschungszentrum Jülich GmbH Zentralbibliothek, Verlag$$c2007
000058939 300__ $$a170 S.
000058939 3367_ $$0PUB:(DE-HGF)11$$2PUB:(DE-HGF)$$aDissertation / PhD Thesis
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000058939 4900_ $$0PERI:(DE-600)2414930-5$$828813$$aSchriften des Forschungszentrums Jülich. Reihe Energietechnik / Energy Technology$$v68
000058939 502__ $$aRWTH Aachen, Diss., 2007$$bDr. (Univ.)$$cRWTH Aachen$$d2007
000058939 500__ $$aRecord converted from VDB: 12.11.2012
000058939 520__ $$aPressurized pulverized coal combustion (PPCC) is a novel, coal based combined cycle process which is comparatively simple in design and which offers efficiencies of about 55 %. In order to protect the gas turbine from corrosion and erosion, a gas turbine compatible flue gas has to be supplied. The current specifications of gas turbine manufacturers are particle concentrations below 3$^{mg}$/${{m}^{3}_{N}}$ with a maximum particle diameter of 3μm and a maximum concentration of alkali species of 0, 01 3$^{mg}$/${{m}^{3}_{N}}$. While the demands regarding particle concentration and diameter have been met, the measured alkali concentrations in the flue gas at the test plant in Dorsten are still too high. In order to develop technical measures to reduce the concentration of alkali species in the flue gas, an increased understanding of the release behaviour of alkali species and other pollutants during the combustion of coal is necessary. In this work, the influence of coal composition, temperature and pressure on the release of pollutants during coal combustion was examined. To this aim, combustion experiments were carried out in an atmospheric pressure tube furnace, a high pressure tube furnace and with a flat flame burner. The experiments were supplemented with thermodynamic calculations. High pressure mass spectrometry (HPMS) was used for the semi-quantitative analysis. In this way important insight into the influence of composition, temperature and pressure and into the release mechanisms could be gathered.
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000058939 9201_ $$0I:(DE-Juel1)VDB810$$d30.09.2010$$gIEF$$kIEF-2$$lWerkstoffstruktur und Eigenschaften$$x1
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