1. Gordon A. and Mary Cain Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA 70803
2. Gordon A. and Mary Cain Department of Chemical Engineering, 110 Jesse Coates Hall, South Stadium Drive, LSU Campus, Louisiana State University, Baton Rouge, Louisiana 70803. Phone: (225) 578-3055, Fax: (225) 578-1476; E-mail: thibod@lsu.edu