Research Article

Ethanol Production from Oil Palm Trunk: A Combined Strategy Using an Effective Pretreatment and Simultaneous Saccharification and Cofermentation

Table 5

The lignin content before and after delignification.

TreatmentLignin (% w/w)

1. Control17.73
2. Alkali and heat treatment18.76
3. Microwave-alkali treatment18.23
4. Alkaline peroxide and heat treatment3.39