Journal
CHEMICAL ENGINEERING JOURNAL ADVANCES
Volume 10, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ceja.2022.100263
Keywords
Pretreatments; Lignocellulosic materials; Anaerobic digestion; Cellulose & hemicellulose; Lignin
Categories
Funding
- National Natural Science Foundation of China [31970117]
- Science and Technology Commission of Shanghai Municipality [19DZ1204704]
- China Scholarship Council (CSC) [201708310124]
- DOE [DE-EE0008993]
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This study systematically summarizes the novel techniques and chemicals used for physical, thermal, chemical, and thermochemical pretreatments of lignocellulosic materials, and discusses the mechanisms, applications, advantages and disadvantages of each type of pretreatment.
To overcome the energy demand and environmental issues by applying ecofriendly techniques to produce green energy are getting high attentions in these days. Lignocellulosic materials are the most abundant resource of biomass on earth and these materials have become vital for anaerobic digestion. However, the structure of lignocellulosic materials is difficult to degrade during anaerobic digestion. Physical, thermal, chemical and thermochemical techniques have been widely used for the pretreatment of lignocellulosic materials, which might facilitate the degradation of pretreated lignocellulosic materials during anaerobic digestion. Further, in recent years many updated and advanced techniques have also been developed for the pretreatment of lignocellulosic materials. Therefore, this study systematically summaries the novel techniques and chemicals used for physical, thermal, chemical and thermochemical pretreatments of lignocellulosic materials for the enhancement of anaerobic digestion. In addition, the mechanism, applications, advantages and disadvantages and challenges of each type of the pretreatment have also been identified. Finally, this study will provide new ideas for the development of new pretreatment techniques.
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