Comparison of the structural characterization of lignophenols and alkaline lignins before and after methylolation
收藏国家林业和草原科学数据中心2022-11-14 更新2024-03-06 收录
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Developing economical and sustainable fractionation technology of lignocellulose cell wallsis the key to reaping the full benefits of lignocellulosic biomass. This study evaluated the potential of metal chloride-assisted p-toluenesulfonic acid (p-TsOH) hydrolysis at low temperatures and underacid concentration for the co-production of sugars and lignocellulosic nanofibrils (LCNF). The results indicated that three metal chlorides obviously facilitated lignin solubilization, thereby enhancingthe enzymatic hydrolysis efficiency and subsequent cellulose nanofibrillation. The CuCl2-hydrotropic pretreatment was most suitable for delignification, resulting in a relatively higherenzymatic hydrolysis efficiency of 53.2%. It was observed that the higher residual lignin absorbed onthe fiber surface, which exerted inhibitory effects on the enzymatic hydrolysis, while the lowerlignin content substrates resulted in less entangled LCNF with thinner diameters.
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国家林业和草原科学数据中心
创建时间：
2022-11-14
