Biomass and sewage sludge are attracting increasing interest in power plant technology as a source of carbon-dioxide-neutral fuels. A new way to reduce the consumption of fossil fuels could be the co-combustion or co-gasification of coal and biomass or coal and sewage sludge. In both cases, pyrolysis is the first step in the technical process. In order to obtain detailed information about the pyrolysis of coal/biomass and coal/sewage sludge mixtures as well as unblended fuels, the “Institute fu¨r Verfahrenstechnik und Dampfkesselwesen (IVD)” at the University of Stuttgart has carried out investigations using an electrically heated entrained flow reactor. The test runs provided information about fuel conversion efficiency, pyrolysis gas and tar yield, and composition of pyrolysis gas and tar. Besides gas and tar analysis investigations regarding the path of trace elements, like heavy metals, alkali, chlorine and nitrogen components, during the pyrolysis process varying different parameters have been carried out. The fuel nitrogen distribution between pyrolysis gas, tar, and char has been analyzed, as well as the ash composition, and, thus, the release of mineral components during pyrolysis.
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e-mail: storm@ivd.uni-stuttgart.de
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January 1999
Research Papers
Co-Pyrolysis of Coal/Biomass and Coal/Sewage Sludge Mixtures
C. Storm,
C. Storm
Institut fu¨r Verfahrenstechnik und Dampfkesselwesen, (Institute for Process Engineering and Power Plant Technology) University of Stuttgart, Pfaffenwaldring 23, D-70569 Stuttgart, Germany
e-mail: storm@ivd.uni-stuttgart.de
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H. Ru¨diger,
H. Ru¨diger
Institut fu¨r Verfahrenstechnik und Dampfkesselwesen, (Institute for Process Engineering and Power Plant Technology) University of Stuttgart, Pfaffenwaldring 23, D-70569 Stuttgart, Germany
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H. Spliethoff,
H. Spliethoff
Institut fu¨r Verfahrenstechnik und Dampfkesselwesen, (Institute for Process Engineering and Power Plant Technology) University of Stuttgart, Pfaffenwaldring 23, D-70569 Stuttgart, Germany
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K. R. G. Hein
K. R. G. Hein
Institut fu¨r Verfahrenstechnik und Dampfkesselwesen, (Institute for Process Engineering and Power Plant Technology) University of Stuttgart, Pfaffenwaldring 23, D-70569 Stuttgart, Germany
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C. Storm
Institut fu¨r Verfahrenstechnik und Dampfkesselwesen, (Institute for Process Engineering and Power Plant Technology) University of Stuttgart, Pfaffenwaldring 23, D-70569 Stuttgart, Germany
e-mail: storm@ivd.uni-stuttgart.de
H. Ru¨diger
Institut fu¨r Verfahrenstechnik und Dampfkesselwesen, (Institute for Process Engineering and Power Plant Technology) University of Stuttgart, Pfaffenwaldring 23, D-70569 Stuttgart, Germany
H. Spliethoff
Institut fu¨r Verfahrenstechnik und Dampfkesselwesen, (Institute for Process Engineering and Power Plant Technology) University of Stuttgart, Pfaffenwaldring 23, D-70569 Stuttgart, Germany
K. R. G. Hein
Institut fu¨r Verfahrenstechnik und Dampfkesselwesen, (Institute for Process Engineering and Power Plant Technology) University of Stuttgart, Pfaffenwaldring 23, D-70569 Stuttgart, Germany
J. Eng. Gas Turbines Power. Jan 1999, 121(1): 55-63 (9 pages)
Published Online: January 1, 1999
Article history
Received:
April 1, 1998
Online:
November 19, 2007
Citation
Storm, C., Ru¨diger, H., Spliethoff, H., and Hein, K. R. G. (January 1, 1999). "Co-Pyrolysis of Coal/Biomass and Coal/Sewage Sludge Mixtures." ASME. J. Eng. Gas Turbines Power. January 1999; 121(1): 55–63. https://doi.org/10.1115/1.2816312
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