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@PHDTHESIS{Huang:1009547,
      author       = {Huang, Hong},
      title        = {{M}embrane {R}eactor {C}oncepts for {P}ower-to-{F}uel
                      {P}rocesses},
      volume       = {610},
      school       = {RWTH Aachen University},
      type         = {Dissertation},
      address      = {Jülich},
      publisher    = {Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag},
      reportid     = {FZJ-2023-02869},
      isbn         = {978-3-95806-703-5},
      series       = {Schriften des Forschungszentrums Jülich Reihe Energie $\&$
                      Umwelt / Energy $\&$ Environment},
      pages        = {VI, 197},
      year         = {2023},
      note         = {Dissertation, RWTH Aachen University, 2023},
      abstract     = {This thesis concerns the development of membrane reactor
                      concepts in the context of Power-to-Fuel processes. Standing
                      on the disciplines of Process Engineering and Chemical
                      Reaction Engineering, this thesis carries out work at the
                      process level and the equipment level, respectively.
                      Dimethyl carbonate and methyl formate are selected as two
                      representative esters for their potential as electrofuels.
                      At the process level, available production pathways are
                      screened with respect to their technical maturities and
                      their compliance with green chemistry principles. The
                      selected pathways are conceptually designed starting from
                      CO2 and H2, which also act as the background of membrane
                      reactor development. The process simulations and
                      techno-economical assessments adopt the same boundary
                      conditions and assumptions to ensure comparability across
                      pathways. It can be expected that these pathways can be
                      technically realistic, energy efficient, and economically
                      viable in the near future. It is thus with enough confidence
                      to believe that esters will sit alongside alcohols, ethers,
                      and hydrocarbons as a new member of the Power-to-Fuel
                      family. To guide membrane selection and matching, mapping
                      relationships among reaction, membrane, and reactor concept
                      are constructed to present an overview of possible
                      combinations before detailed designs. Theoretical
                      calculations are then performed to quantify the potential of
                      each combination by correlating equilibrium constant,
                      conversion, and the Damköhler (Da) number as well as the
                      Péclet (Pe) number. The correlation is exemplified by the
                      reverse water gas shift and dry reforming of methane. At the
                      equipment level, various novel membrane reactor concepts are
                      designed for the two reactions based on CFD simulations by
                      receiving boundary conditions from process analysis. The
                      trade-off among conversion, productivity, and membrane
                      permeation is the core design aspect of the membrane
                      reactors. The conversion enhancement is directly related to
                      the percentage of species permeation. Concentration
                      polarization is a phenomenon that adversely affects the
                      species permeation and has to be minimized to fully exploit
                      the membrane potential. Compact designs by increasing the
                      ratio of membrane area to reactor volume are simple but
                      effective approaches to increase conversions but maintain
                      high productivity. A methodological framework that starts
                      from process analysis, over theoretical calculation, to CFD
                      simulation can be condensed from this work. The
                      communications among these methodologies make them an
                      integrated part and can be applied to other processes and
                      reactor concepts of interest},
      cin          = {IEK-14},
      cid          = {I:(DE-Juel1)IEK-14-20191129},
      pnm          = {899 - ohne Topic (POF4-899)},
      pid          = {G:(DE-HGF)POF4-899},
      typ          = {PUB:(DE-HGF)3 / PUB:(DE-HGF)11},
      urn          = {urn:nbn:de:0001-20231004082938446-2404751-0},
      doi          = {10.34734/FZJ-2023-02869},
      url          = {https://juser.fz-juelich.de/record/1009547},
}