Schadstoffemissionen bei der Verbrennung von Stroh, Holz und Biogas

TL;DRAbstract

Wood combustion of solid fuels in stoves and furnaces is widely used for residential heating in Germany. Approximately 15 million of 40 million households own small-scale furnaces (Struschka M. 2008). Biomass burning as an alternative to fossil fuel heat supply might play an important role in the future to achieve a reduction of greenhouse gases, to counteract a possible shortage of fossil energy sources and, to achieve autonomy from fossil fuels in Germany. The growing contribution of energy from biomass burning can have adverse effects, such as higher emissions of elements and organic substances when compared to fossil fuels like oil and gas. In the present thesis, we used state-of-the-art furnaces to investigate to what extent harmful elements are exhausted into the atmosphere from the combustion of wood and straw. Besides the fuels, we analyzed all the resulting ashes - grate ash, deposits in the heat exchanger and electrostatic precipitator respectively and fly ash - to construct

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