The Effects of Microwave-Assisted Pretreatment and Cofermentation on Bioethanol Production from Elephant Grass

Table 2

The lignocellulose content of the elephant grass powder^a.

Process	Cellulose (%)	Hemicellulose (%)	Lignin (%)	Ash (%)
No treatment	29.9	20.2	21.1	7.2
After alkaline delignification	37.1	19.5	24.3	17.4
After alkaline delignification + microwave-assisted pretreatment techniques	43.6	21.1	10.8	10.7
After alkaline delignification and acid hydrolysis (both combined with microwave-assisted pretreatment techniques)	12.8	12.4	5.5	24.1

^aAnalyzed according to Surajit’s method [8].