Novel recyclable deep eutectic solvent boost biomass pretreatment for enzymatic hydrolysis.

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ID: 105074
2020
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Abstract
Deep eutectic solvent (DES) with protonic acid shows the great potential for biomass valorization. However, the acid corrosion and recycling are still severe challenges in biorefinery. Herein, a novel DES by coordinating FeCl in choline chloride/glycerol DES was designed for effective and recyclable pretreatment. As compared to DESs with FeCl, ZnCl, AlCl and CuCl, DES with FeCl approvingly retained most of cellulose in pretreated Hybrid Pennisetum (95.2%). Meanwhile, the cellulose saccharification significantly increased to 99.5%, which was six-fold higher than that of raw biomass. The excellent pretreatment performance was mainly attributed to the high removal of lignin (78.88 wt%) and hemicelluloses (93.63 wt%) under the synergistic effect of Lewis acid and proper hydrogen-bond interaction of DES with FeCl. Furthermore, almost all cellulose still can be converted into glucose after five recycling process. Overall, the process demonstrated designed pretreatment was great potential for the low-cost biorefinery and boost the biofuel development.
Reference Key
wang2020novelbioresource Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Wang, Zhi-Kun;Li, Hanyin;Lin, Xin-Chun;Tang, Lv;Chen, Jun-Jie;Mo, Jia-Wei;Yu, Ri-Sheng;Shen, Xiao-Jun;
Journal Bioresource technology
Year 2020
DOI
S0960-8524(20)30508-3
URL
Keywords
enzymatic hydrolysis lignocellulosic biomass pretreatment biofuel deep eutectic solvent

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