compositions are very much dependent on the feedstocks
(Pino et al. 2018; Zhen et al. 2019; da Rosa et al. 2019). The
solid wastes from different sources such as the domestic
wastes; wastes from offices, schools, or municipalities; and
wastes from industrial sectors and factories, must, therefore,
be sorted out and screened (Lebersorger and Beigl 2011;
Millati and Cahyono 2019). The four major types are
domestic, agricultural, commercial, and industrial wastes
(Pancha et al. 2019; Millati and Cahyono 2019; Hargreaves
et al. 2008; Han et al. 2018). Among them, agricultural
wastes from the agriculture fields may include weed and
husk waste, cattle wastes (Millati and Cahyono 2019), or
Fig. 4 Bioconversion of straw
biomass involving pretreatment,
saccharification or enzymatic
hydrolysis, and fermentation to
obtain biofuels and bioproducts
(Modified from Den and Sharma
2018)
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