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

Nature communications, 2021-06, Vol.12 (1), p.3912-3912, Article 3912 [Peer Reviewed Journal]

The Author(s) 2021. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;The Author(s) 2021 ;ISSN: 2041-1723 ;EISSN: 2041-1723 ;DOI: 10.1038/s41467-021-23920-4 ;PMID: 34162838

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Title:
Transforming biorefinery designs with 'Plug-In Processes of Lignin' to enable economic waste valorization
Author: Liu, Zhi-Hua ; Hao, Naijia ; Wang, Yun-Yan ; Dou, Chang ; Lin, Furong ; Shen, Rongchun ; Bura, Renata ; Hodge, David B ; Dale, Bruce E ; Ragauskas, Arthur J ; Yang, Bin ; Yuan, Joshua S
Subjects: 09 BIOMASS FUELS ; Bioconversion ; Bioengineering - economics ; Bioengineering - methods ; Capital costs ; Carbohydrates ; Carbohydrates - chemistry ; Carbon - metabolism ; Costs ; Design ; Efficiency ; Ethanol ; Fractionation ; Hydrolysis ; Industrial Microbiology - economics ; Industrial Microbiology - methods ; Lignin ; Lignin - metabolism ; Molecular weight ; Polyhydroxyalkanoates ; Polyhydroxyalkanoates - metabolism ; Polyhydroxyalkanoic acid ; Pseudomonas putida - genetics ; Pseudomonas putida - metabolism ; Refining ; Sustainability
Is Part Of: Nature communications, 2021-06, Vol.12 (1), p.3912-3912, Article 3912
Description: 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.
Publisher: England: Nature Publishing Group
Language: English
Identifier: ISSN: 2041-1723
EISSN: 2041-1723
DOI: 10.1038/s41467-021-23920-4
PMID: 34162838
Source: DOAJ Directory of Open Access Journals
MEDLINE
PubMed Central
ProQuest Central

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

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