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

Table 1

The optimization conditions of the microwave-assisted hydrolysis of delignified elephant grass powder with acid catalyst using the SINEO MAS II microwave reactor.

Treatment	The concentration of H2SO4 in % (v/v)	Irradiation power (watt)	Reaction time (minutes)	Temperature (°C)
1	0.5; 1; 2; 5; and 7	400	30	90
2	2	300; 400; 500; 600; and 700	30	90
3	2	400	5; 10; 20; 30; and 40	90
4	2	400	30	80; 90; 95; 100 and 110