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@ARTICLE{Schupsky:902189,
      author       = {Schupsky, Jan Peter and Netter, Tobias and Wu, Guixuan and
                      Spliethoff, Hartmut and Müller, Michael},
      title        = {{C}rystal morphology data for viscosity modelling of fuel
                      slags – {S}upplementation of spinel phase and validation
                      by crystallisation in entrained flow gasifiers},
      journal      = {Fuel},
      volume       = {303},
      issn         = {0016-2361},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2021-04086},
      pages        = {121114 -},
      year         = {2021},
      abstract     = {Viscosity modelling is crucial to estimate the flow
                      behaviour of slag in gasifiers. However, viscosity modelling
                      of partly crystallised slags cannot yet be performed
                      satisfactorily. This contribution proceeds with a new
                      approach of ascertaining the crystal phase by
                      crystallisation investigations. The characteristic crystal
                      morphology of spinel was defined, based on its
                      crystallographic nature and the results of quenching and
                      confocal laser scanning microscope (CLSM) experiments.
                      Crystal morphology datasets of spinel, anorthite, melilite
                      and olivine phase were provided. The postulated crystal
                      morphologies were validated by investigations of real PiTER
                      and BOOSTER pilot plant gasifier slags to ensure the
                      transferability from recent and previous experiments to
                      industrial applications. Therefore, blends of coal and
                      biomass fuels with diverse compositions from the “Solid
                      Fuel Entrained Flow Gasification Database” were used. It
                      was succeeded to prove that experimental crystal morphology
                      results align well with the crystal shapes from the pilot
                      plant slags and reference data. Accordingly, the recent and
                      previous crystal morphology results can be directly applied
                      to industrial applications. This validation furthermore
                      proves that the crystal morphologies of the investigated
                      phases are characteristic for each phase, independently of
                      the slag composition in which they crystallise in. A
                      literature review concludes that the three most abundant
                      phases: anorthite, melilite and spinel of typical
                      crystallising gasifier slags are covered with the provided
                      morphology datasets. The collection of these datasets
                      represents a crystal morphology database, which can be used
                      to enhance existing viscosity models and apply them for
                      partly crystallised slags in industrial entrained flow
                      gasifiers.},
      cin          = {IEK-2},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {1215 - Simulations, Theory, Optics, and Analytics (STOA)
                      (POF4-121) / 1221 - Fundamentals and Materials (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1215 / G:(DE-HGF)POF4-1221},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000686596000004},
      doi          = {10.1016/j.fuel.2021.121114},
      url          = {https://juser.fz-juelich.de/record/902189},
}