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@INPROCEEDINGS{Duarte:1014290,
      author       = {Duarte, Juan Pablo Ricon and Neumann, Nicole and
                      Schulze-Küppers, Falk and Büddefeld, Bernd and Baumann,
                      Stefan and Sattler, Christian},
      title        = {{S}olar hydrogen production with a membrane reactor:
                      {P}rocess description and reactor design},
      reportid     = {FZJ-2023-03215},
      year         = {2023},
      abstract     = {Hydrogen plays a key role in the energy transition towards
                      a decarbonised economy. According to the 2030 Net Zero
                      Scenario , global H2 demand is expected to reach about 180
                      Mt, since this fuel will be used by important sectors of our
                      economy such as heavy-duty transport, shipping, aviation, as
                      well as heavy industry. To cover the expected hydrogen
                      demand, improvement of existing technologies as well as
                      development of new systems is needed. Solar thermal energy
                      is an attractive option to power membrane-supported steam
                      thermolysis for hydrogen production. Compared to two-steps
                      Solar Thermochemical Water Splitting (STWS) cycles, solar
                      membrane reactors are inherently operated under isothermal
                      conditions and also don’t require a pressure swing. The
                      isothermal process avoids the need for heat recovery between
                      the oxidation and reduction steps, which is one of the main
                      challenges of two steps STWS cycles. In the scope of the
                      MESOWAS project, a membrane reactor for the production of
                      hydrogen from steam is being developed and analysed. The
                      ceramic membrane reactor is based on the design concept of a
                      F10 stack of solid oxide cells . The steam flow is supplied
                      to one side of the oxygen-permeable membrane, while the
                      oxygen is continuously removed on the other side. Two
                      approaches to guarantee a constant low oxygen partial
                      pressure on the permeate side of the membrane are
                      considered: Sweep gas or the partial oxidation of
                      biomethane. The chosen flat membrane geometry allows the
                      combination of multiple membrane layers in a single stack,
                      which can facilitate the upscaling of this design. The
                      coupling of the membrane reactor with solar thermal energy
                      is analysed regarding a required homogeneous temperature
                      distribution for the membrane stack, and a strategy for the
                      planned experimental demonstration is developed. Using the
                      model presented by Bulfin , the thermodynamic limit of an
                      ideal countercurrent membrane reactor is identified, and an
                      operating strategy to produce hydrogen is determined.},
      month         = {Jul},
      date          = {2023-07-10},
      organization  = {17th International Conference on
                       Energy Sustainability, Washington DC
                       (USA), 10 Jul 2023 - 12 Jul 2023},
      subtyp        = {After Call},
      cin          = {ZEA-1 / IEK-1},
      cid          = {I:(DE-Juel1)ZEA-1-20090406 / I:(DE-Juel1)IEK-1-20101013},
      pnm          = {1232 - Power-based Fuels and Chemicals (POF4-123)},
      pid          = {G:(DE-HGF)POF4-1232},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/1014290},
}