Bioethanol from Lignocellulosic Biomass: Current Findings Determine Research Priorities

Table 3

Potential lignocellulosic biomass sources and compositions (% dry weight) [86, 87].

Raw material	Hemicelluloses	Cellulose	Lignin	Others (i.e., ash)
Agricultural residues	25–50	37–50	5–15	12–16
Hardwood	25–40	45–47	20–25	0.80
Softwood	25–29	40–45	30–60	0.50
Grasses	35–50	25–40	—^a	2–5
Waste papers from chemical pulps	12–20	50–70	6–10	2
Newspaper	25–40	40–55	18–30	5–8
Switch grass	30–35	40–45	12	4-5

Not present or not available.