Credit: Reprinted from Liang, L., et al., Chemical and Morphological Structure of Transgenic Switchgrass Organosolv Lignin Extracted by Ethanol, Tetrahydrofuran, and γ-Valerolactone Pretreatments. ACS Sust. Chem. & Eng. Copyright 2022 American Chemical Society.
Three common solvents for pretreating switchgrass yield lignin extracts with the potential for making different valuable bioproducts.
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