Simple, Cost-Effective Way to Remove Lignin from Biomass (image) North Carolina State University Share Print E-Mail Caption The new process dissolves lignin into low-cost protic ionic liquids, leaving cellulose behind as a solid. Credit Ezinne Achivinu, North Carolina State University Usage Restrictions Photo credit must be given. Share Print E-Mail 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.