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Transforming biorefinery designs with ‘Plug-In Processes of Lignin’ to enable economic waste valorization

Author

Listed:
  • Zhi-Hua Liu

    (Texas A&M University
    Texas A&M University)

  • Naijia Hao

    (University of Tennessee)

  • Yun-Yan Wang

    (University of Tennessee)

  • Chang Dou

    (University of Washington)

  • Furong Lin

    (Texas A&M University
    Texas A&M University)

  • Rongchun Shen

    (Washington State University)

  • Renata Bura

    (University of Washington)

  • David B. Hodge

    (Montana State University)

  • Bruce E. Dale

    (Michigan State University)

  • Arthur J. Ragauskas

    (University of Tennessee
    Oak Ridge National Laboratory
    The University of Tennessee Institute of Agriculture)

  • Bin Yang

    (Washington State University)

  • Joshua S. Yuan

    (Texas A&M University
    Texas A&M University)

Abstract

Biological lignin valorization has emerged as a major solution for sustainable and cost-effective biorefineries. However, current biorefineries yield lignin with inadequate fractionation for bioconversion, yet substantial changes of these biorefinery designs to focus on lignin could jeopardize carbohydrate efficiency and increase capital costs. We resolve the dilemma by designing ‘plug-in processes of lignin’ with the integration of leading pretreatment technologies. Substantial improvement of lignin bioconversion and synergistic enhancement of carbohydrate processing are achieved by solubilizing lignin via lowering molecular weight and increasing hydrophilic groups, addressing the dilemma of lignin- or carbohydrate-first scenarios. The plug-in processes of lignin could enable minimum polyhydroxyalkanoate selling price at as low as $6.18/kg. The results highlight the potential to achieve commercial production of polyhydroxyalkanoates as a co-product of cellulosic ethanol. Here, we show that the plug-in processes of lignin could transform biorefinery design toward sustainability by promoting carbon efficiency and optimizing the total capital cost.

Suggested Citation

  • Zhi-Hua Liu & Naijia Hao & Yun-Yan Wang & Chang Dou & Furong Lin & Rongchun Shen & Renata Bura & David B. Hodge & Bruce E. Dale & Arthur J. Ragauskas & Bin Yang & Joshua S. Yuan, 2021. "Transforming biorefinery designs with ‘Plug-In Processes of Lignin’ to enable economic waste valorization," Nature Communications, Nature, vol. 12(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-23920-4
    DOI: 10.1038/s41467-021-23920-4
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    Cited by:

    1. Liu, Ruo-Ying & Lan, Hai-Na & Liu, Zhi-Hua & Li, Bing-Zhi & Yuan, Ying-Jin, 2024. "Microbial valorization of lignin toward coumarins: Challenges and perspectives," Renewable and Sustainable Energy Reviews, Elsevier, vol. 191(C).
    2. Xu, Lingxia & Liaqat, Fakhra & Sun, Jianzhong & Khazi, Mahammed Ilyas & Xie, Rongrong & Zhu, Daochen, 2024. "Advances in the vanillin synthesis and biotransformation: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 189(PA).
    3. Sheng, Haoqiang & Huang, Xiaobin & Hu, Wenbin & Ji, Yuan & Chen, Junming & Xie, Mingyun & He, Miaoshen & Zhang, Bo & Liu, Hong, 2023. "Stability and combustion performance enhancement of ethanol/kerosene fuel by carbonized poly[cyclotriphosphazene-co-(4,4′-sulfonyldiphenol)] nanotubes via biomimetic hydrogen bonding strategy," Energy, Elsevier, vol. 282(C).

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