1. Département
de Génie Chimique, École Polytechnique Montréal, C.P.6079
Succ., Centre-Ville Montréal, Quebec H3C 3A7, Canada
2. National Research Council of Canada, 6100 Royalmount Avenue, Montréal, Quebec H4P 2R2, Canada
3. Department
of Bioresource Engineering, McGill University, 21111 Lakeshore Road, Ste-Anne-de-Bellevue, Quebec H9X 3 V9, Canada