Lignocellulose-containing materials are treated with lime (calcium hydroxide) and water at a relatively high temperature and for a certain period of time under certain conditions. The process variables were: lime loading which ranged from about 2 to about g Ca(OH).sub.2 /100 g dry material;...http://www.google.ca/patents/US5693296?utm_source=gb-gplus-sharePatent US5693296 - Calcium hydroxide pretreatment of biomass
