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@ARTICLE{Gausmann:904479,
      author       = {Gausmann, Marcel and Kocks, Christian and Pastoors,
                      Johannes and Büchs, Jochen and Wierckx, Nick and Jupke,
                      Andreas},
      title        = {{E}lectrochemical p{H}-{T}-{S}wing {S}eparation of
                      {I}taconic {A}cid for {Z}ero {S}alt {W}aste {D}ownstream
                      {P}rocessing},
      journal      = {ACS sustainable chemistry $\&$ engineering},
      volume       = {9},
      number       = {28},
      issn         = {2168-0485},
      address      = {Washington, DC},
      publisher    = {ACS Publ.},
      reportid     = {FZJ-2021-06049},
      pages        = {9336 - 9347},
      year         = {2021},
      abstract     = {Biotechnological production of platform chemicals such as
                      (di)carboxylic acids poses economic and environmental
                      challenges in downstream processing. With conventional
                      downstream processes, waste salts are produced in more than
                      equimolar amounts with the product. Therefore, lean
                      waste-free downstream processes are needed to compete with
                      petrochemical products. This work presents a joint
                      development of a biobased production route for itaconic acid
                      featuring low pH value fermentation, reactive extraction,
                      and electrochemical product recovery. By the implementation
                      of an electrochemical pH-T-swing separation process,
                      biobased itaconic acid with a purity of more than $99\%$ was
                      recovered in the crystalline form from the fermentation
                      broth. Based on the measured liquid–liquid and
                      solid–liquid equilibrium, a feasible overall yield of
                      $>90\%$ for itaconic acid recovery was calculated for the
                      proposed downstream process. An electrochemical protonation
                      efficiency of $96.2\%$ was determined when the pH-shift
                      electrolysis operates within the buffer range of the
                      itaconic acid. The proposed process eliminates the salt
                      waste from pH-adjusting steps and can perspectively operate
                      with electricity costs being lower than costs for sulfuric
                      acid and sodium hydroxide elsewise required for the pH-swing
                      steps.},
      cin          = {IBG-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IBG-1-20101118},
      pnm          = {2172 - Utilization of renewable carbon and energy sources
                      and engineering of ecosystem functions (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2172},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000675465900021},
      doi          = {10.1021/acssuschemeng.1c02194},
      url          = {https://juser.fz-juelich.de/record/904479},
}