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@ARTICLE{Husmann:824139,
      author       = {Husmann, M. and Müller, Michael and Zuber, C. and
                      Kienberger, T. and Maitz, V. and Hochenauer, C.},
      title        = {{A}pplication of {B}a{O}-{B}ased {S}ulfur {S}orbent for
                      {I}n-{S}itu {D}esulfurization of {B}iomass {D}erived
                      {S}yngas},
      journal      = {Energy $\&$ fuels},
      volume       = {30},
      number       = {8},
      issn         = {0887-0624},
      address      = {Columbus, Ohio},
      publisher    = {American Chemical Society},
      reportid     = {FZJ-2016-06760},
      pages        = {6458-6466},
      year         = {2016},
      abstract     = {A novel BaO-based sorbent is tested for in situ application
                      as desulfurization agent in an allothermal biomass
                      gasification process. BaO is stabilized against the
                      formation of carbonate and thus theoretically allows
                      desulfurization down to a few parts per million (volume)
                      (ppmv) H2S even for high-steam and high-temperature
                      conditions. In real process application, sintering of the
                      sorbent occurred and had to be prevented by the addition of
                      lime as separating agent. Additionally, a kinetic limitation
                      of the desulfurization with BaO was shown for the in-bed
                      sorption of sulfur. An increase of gasification temperature
                      from 760 to 810 °C significantly improved the
                      desulfurization performance. The observed behavior is in
                      contrast to that of previously tested CaO-based in situ
                      sorbents. CaO-based in situ desulfurization is limited to
                      values of about 500 ppmv H2S for the conditions prevailing
                      in the gasifier. With the novel BaO-based sorbent, a
                      desulfurization from 85 to 35 ppmv residual H2S is shown
                      upon addition of the sorbent to the gasifier. In experiments
                      with a combined desulfurization of CaO and BaO, a release of
                      H2S from CaS was shown once the H2S content in the gas drops
                      below the CaO-based steady-state equilibrium of
                      desulfurization. Particle analysis via SEM-EDX, XRD,
                      ICP-OES, and BET complement the results of in situ
                      desulfurization. SEM-EDX results indicate the stabilization
                      of BaO in sintering bridges and a certain depletion of
                      barium from the sorbent after in-bed application.},
      cin          = {IEK-2},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {111 - Efficient and Flexible Power Plants (POF3-111)},
      pid          = {G:(DE-HGF)POF3-111},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000381778500030},
      doi          = {10.1021/acs.energyfuels.6b00957},
      url          = {https://juser.fz-juelich.de/record/824139},
}