1. Departamento de
Ingeniería
Química, Instituto Tecnológico de Celaya Celaya, Gto., CP 38010, Mexico
2. Christian Bouchot SEPI ESIQIE IPN, EDIF. 8 3ER Piso, UPALM Zacatenco, C.P. 07738, México D.F. Mexico
3. Kenneth R. Hall Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, Texas 77843-3122, United States