Biopro Research Center, Department of Chemical Engineering, Ecole Polytechnique de Montréal, P.O. Box 6079, Station “Centre-Ville”, Montréal, Québec, Canada H3C 3A7, Department of Chemical Engineering & CERPIC, Laval University, Québec, Canada G1K 7P4, and Chemical Reaction Engineering Laboratory, Washington University, Campus Box 1198, One Brookings Drive, St. Louis, Missouri 63130 (At 1997-11-01)
