Javier Ulises Hernández-Beltrán , Inty Omar Hernández-De Lira, Mónica María Cruz-Santos, Alexia Saucedo-Luevanos, Fernando Hernández-Terán and Nagamani Balagurusamy*
Laboratorio de Biorremediación, Facultad de Ciencias Biológicas, Universidad Autónoma de Coahuila, Torreón 27000, Coahuila, Mexico
* Correspondence: bnagamani@uadec.edu.mx
Lignocellulosic biomass is recalcitrant due to its heterogeneous structure, which is one of the major limitations for its use as a feedstock for methane production. Although dierent pretreatment methods are being used, intermediaries formed are known to show adverse eect on microorganisms involved in methane formation. This review, apart from highlighting the eciency and limitations of the dierent pretreatment methods from engineering, chemical, and biochemical point of views, will discuss the strategies to increase the carbon recovery in the form of methane by way of amending pretreatments to lower inhibitory eects on microbial groups and by optimizing process conditions.
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