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@ARTICLE{Weidener:878062,
      author       = {Weidener, Dennis and Holtz, Arne and Klose, Holger and
                      Jupke, Andreas and Leitner, Walter and Grande, Philipp M.},
      title        = {{L}ignin {P}recipitation and {F}ractionation from
                      {O}rgano{C}at {P}ulping to {O}btain {L}ignin with
                      {D}ifferent {S}izes and {C}hemical {C}omposition},
      journal      = {Molecules},
      volume       = {25},
      number       = {15},
      issn         = {1420-3049},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2020-02606},
      pages        = {3330 -},
      year         = {2020},
      abstract     = {Fractionation of lignocellulose into its three main
                      components, lignin, hemicelluloses, and cellulose, is a
                      common approach in modern biorefinery concepts. Whereas the
                      valorization of hemicelluloses and cellulose sugars has been
                      widely discussed in literature, lignin utilization is still
                      challenging. Due to its high heterogeneity and complexity,
                      as well as impurities from pulping, it is a challenging
                      feedstock. However, being the most abundant source of
                      renewable aromatics, it remains a promising resource. This
                      work describes a fractionation procedure that aims at
                      stepwise precipitating beech wood (Fagus sp.) lignin
                      obtained with OrganoCat technology from a
                      2-methyltetrahydrofuran solution, using n-hexane and
                      n-pentane as antisolvents. By consecutive antisolvent
                      precipitation and filtration, lignin is fractionated and
                      then characterized to elucidate the structure of the
                      different fractions. This way, more defined and purified
                      lignin fractions can be obtained. Narrowing down the
                      complexity of lignin and separately valorizing the fractions
                      might further increase the economic viability of
                      biorefineries.},
      cin          = {IBG-2},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32708006},
      UT           = {WOS:000568091100001},
      doi          = {10.3390/molecules25153330},
      url          = {https://juser.fz-juelich.de/record/878062},
}