Critical Evaluation of the Role of Enzymes in the Integrated Biorefinery

Dhawane, Sumit H.; Ghosh, Arkasubhra; Dwivedi, Piyush; Dey, Sanku; Kamila, Biswajit; Halder, Gopinath

doi:10.1007/978-981-19-4316-4_4

Cited by 1 publication

(1 citation statement)

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“…However, a depolymerization method is still needed to refine the biomass. Of these depolymerization methods, enzyme mediated depolymerization is gaining traction as a viable commercial scale method (Birikh et al, 2022;Dhawane et al, 2022;Climent Barba et al, 2022). A primary advantage of using enzyme catalyzed processing of any material, including biomass is the lack of off target products.…”

Section: Introductionmentioning

confidence: 99%

Factors that influence the activity of biomass-degrading enzymes in the presence of ionic liquids—a review

Wolski,

Blankenship,

Umar

et al. 2023

Front. Energy Res.

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Ionic liquids (ILs) are seen as a more sustainable alternative to volatile organic solvents that are accelerating innovations in many industries such as energy storage, separations, and bioprocessing. The ability to effectively deconstruct lignocellulosic biomass is a significant hurdle in the biorefining/bioprocessing industry and presents limitations towards the commercial production of bioproducts (such as biofuels, biomaterials, etc.). Certain ILs have been shown to promote effective lignin removal, cellulose recovery, and sugar yields from various biomass feedstocks such as corn stover, wheat straw, sugarcane bagasse, sorghum, switchgrass, miscanthus, poplar, pine, eucalyptus, and certain mixtures of municipal solid waste. However, these improvements are often counteracted by the limited biocompatibility of ILs, which results in an IL-induced reduction in enzyme activity and stability—an important downstream step in the conversion of biomass to biofuels/bioproducts. As a result, significant efforts have been made to discover and engineer compatible enzyme-IL systems and to improve our understanding on the effect that these ILs have on these systems. This review seeks to examine the impact of ionic liquids on enzymes involved in lignocellulosic biomass deconstruction, with a specific focus on their relevance in the context of pretreatment. Beyond presenting an overview of the ionic liquid pretreatment landscape, we outline the main factors that influence enzyme activity and stability in the presence of ILs This data is consolidated and analyzed to apply this body of knowledge towards new innovations that could lead to improvements in the processing of biomass to biofuels and bioproducts.

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Section: Introductionmentioning

confidence: 99%