Assertion: lignin's conversion | /r/HasProperty | well-discussed
Facets:
value: in recent literature studies
type: LOCATION
Source sentences:
text: To enable the lignin valorization, the huge efforts have been made into each step, such as lignin characterization, biomass pretreatment, isolation of depolymerized compounds, and catalytic or thermochemical conversion, which are well-discussed in recent literature studies (Beckham et al., 2016; Cao et al., 2018; Ponnusamy et al., 2018; Wang et al., 2019).