Biphasic IL Pretreatment of Biomass (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Joint BioEnergy Institute researchers have developed an enzyme-free ionic liquid pretreatment of cellulosic biomass that makes it easier to recover fermentable sugars for biofuels and to recycle the ionic liquid. Credit Blake Simmons/JBEI Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.