The results achieved by sodium carbonate pretreatment arecomparable with the results obtained by pretreatments withcellulosic solvents (e.g., 1-butyl- 3-methylimidazolium acetate),resulting in almost complete conversion of pretreated glucan toglucose by enzymatic hydrolysis (Poornejad et al., 2013). However,the cellulosic solvents are much more expensive than sodium car-bonate and the dissolution process should be conducted at highertemperatures (e.g., 120◦C).