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@ARTICLE{Alkan:907230,
      author       = {Alkan, Gözde and Mechnich, Peter and Lucas, Hugo and
                      Knoblauch, Nicole and Sommerfeld, Marcus and Flucht,
                      Ferdinand and Pernpeintner, Johannes and Sergeev, Dmitry and
                      Müller, Michael and Friedrich, Bernd},
      title        = {{A}ssessment of {M}etallurgical {S}lags as {S}olar {H}eat
                      {A}bsorber {P}articles},
      journal      = {Minerals},
      volume       = {12},
      number       = {2},
      issn         = {2075-163X},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2022-01909},
      pages        = {121 -},
      year         = {2022},
      abstract     = {The use of ceramic solid particle technology in
                      TES-integrated CSP plants offers a high solar-to-electricity
                      ratio and enhanced storage densities, thanks to their high
                      operational temperatures and wide temperature ranges.
                      Metallurgical slags with composition similar to that of the
                      state-of-art bauxite particles can be used as a sustainable
                      and economical secondary raw material to prepare solid
                      particles. In this study, the as-received state and the
                      high-temperature phase and microstructural changes of two
                      fayalite slags from copper and lead production were
                      elucidated by XRD and SEM/EDS methods in a comparative
                      manner. Solid particles were prepared from slags by the oil
                      dropping method, with subsequent heat treatment.
                      Solar-thermal-application-related functional properties of
                      slag particles, such as heat capacity, absorptance, and
                      thermophysical properties, were evaluated by differential
                      scanning calorimetry (DSC), spectrophotometer, heating
                      microscope, and high-temperature compressive tests,
                      respectively. Owing to the formation of more stable Fe-rich
                      phase components and less amount of glassy phase, copper
                      slag is found to be a more promising secondary resource than
                      lead slag in terms of material and functional properties},
      cin          = {IEK-2},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {1243 - Thermal Energy Storage (POF4-124)},
      pid          = {G:(DE-HGF)POF4-1243},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000762288700001},
      doi          = {10.3390/min12020121},
      url          = {https://juser.fz-juelich.de/record/907230},
}