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Recent advances in green pre-treatment methods of lignocellulosic biomass for enhanced biofuel production
Journal of Cleaner Production ( IF 11.1 ) Pub Date : 2021-09-14 , DOI: 10.1016/j.jclepro.2021.129038
Nurul Suhada Ab Rasid 1 , Amnani Shamjuddin 1 , Athran Zuhail Abdul Rahman 1, 2 , Nor Aishah Saidina Amin 1
Affiliation  

Increasing global energy demands requires a versatile approach, prompting many researchers to focus on renewable biofuel from sustainable resources, especially second-generation lignocellulosic biomass. The utilization of lignocellulosic biomass for biofuel production requires proper pre-treatment in biorefinery to increase the reaction rate in the subsequent enzymatic hydrolysis step. Consequently, operational cost, enzymes and other chemical agents consumed and amount of waste produced are reduced. In this review, the latest trends in green pre-treatment methods of lignocellulosic biomass are presented and discussed, spanning the years from 2018 to 2021 and every terrestrial biomass type. Green pre-treatment methods such as ozonolysis, ionic liquids, deep eutectic solvents (DES), organosolv and steam explosion are scrutinized for their optimal process parameters that maximize lignin degradation, hydrolysis sugar yield, as well as minimize reaction time, reagent consumption and energy consumption. The potential of green biofuel production by applying green pre-treatment methods are elaborated, and future perspectives for the utilization of green pre-treatment technology at industrial scale are also presented.



中文翻译:

用于提高生物燃料生产的木质纤维素生物质绿色预处理方法的最新进展

不断增长的全球能源需求需要一种通用的方法,促使许多研究人员专注于来自可持续资源的可再生生物燃料,尤其是第二代木质纤维素生物质。利用木质纤维素生物质生产生物燃料需要在生物精炼厂中进行适当的预处理,以提高后续酶水解步骤的反应速率。因此,运营成本、消耗的酶和其他化学试剂以及产生的废物量都减少了。在这篇综述中,介绍和讨论了木质纤维素生物质绿色预处理方法的最新趋势,涵盖了 2018 年至 2021 年和每种陆地生物质类型。臭氧分解、离子液体、深共熔溶剂(DES)等绿色前处理方法,有机溶剂和蒸汽爆破的最佳工艺参数经过仔细审查,以最大限度地提高木质素降解、水解糖产量,以及最大限度地减少反应时间、试剂消耗和能源消耗。阐述了应用绿色预处理方法生产绿色生物燃料的潜力,并提出了在工业规模上利用绿色预处理技术的未来前景。

更新日期:2021-09-17
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