Exploring Recent Advances in Lignocellulosic Biomass Waste Delignification Through the Combined Use of Eutectic Solvents and Intensification Techniques

被引:0
|
作者
Alvarez, Cristina [1 ]
Duque, Aleta [1 ]
Sanchez-Monedero, Andrea [2 ]
Gonzalez, Emilio J. [2 ]
Gonzalez-Miquel, Maria [2 ]
Canadas, Raquel [1 ,2 ]
机构
[1] Res Ctr Energy Environm & Technol CIEMAT, Adv Biofuels & Bioprod Unit, Dept Energy, Ave Complutense 40, Madrid 28040, Spain
[2] Univ Politecn Madrid, ETS Ingn Ind, Dept Ingn Quim Ind & Medio Ambiente, C Jose Gutierrez Abascal 2, Madrid 28006, Spain
关键词
lignocellulosic biomass; lignin; eutectic solvents; green solvents; microwave-assisted treatment; ultrasound-assisted treatment; delignification; sustainable process; biorefinery; ENZYMATIC-HYDROLYSIS; ASSISTED TREATMENT; LIGNIN; PRETREATMENT; EXTRACTION; EFFICIENT; DEPOLYMERIZATION; FRACTIONATION; BIOREFINERY; CELLULOSE;
D O I
10.3390/pr12112514
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Growing awareness of resource sustainability and waste management has driven the search for circular-economy solutions. Lignocellulosic biomass waste, the most abundant renewable carbon resource, offers green potential as an alternative to declining non-renewable fuels. However, due to its recalcitrant nature, it requires pre-processing to convert it into valuable products like energy and chemicals. Biorefineries play a key role in this process by promoting the integral use of biomass, by finding ways to utilize lignin, previously treated as waste. Common pretreatment methods are unsustainable, prompting research into eco-friendly solvents and advanced techniques like ultrasound- and microwave-assisted methods. Recent approaches have also explored the use of eutectic solvents, which, when combined with these intensification techniques, offer promising results. These green technologies improve delignification efficiency, which in turn improves the saccharification process, reduces solvent use, and minimizes environmental impact. Despite progress, challenges remain in making these methods economically viable and adaptable to diverse biomass types. This review article highlights recent advances in sustainable treatment technologies, including the combined use of eutectic solvents and process-intensification techniques, and the potential of the obtained lignin in various industrial applications. It also discusses future prospects for more environmentally friendly processes in biomass utilization.
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页数:23
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