1. MS Student, Dept. of Chemical Engineering, Univ. of Missouri-Rolla, Rolla, MO 65409.
2. Professor, Dept. of Civil, Architectural and Environmental Engineering, Environmental Research Center, Univ. of Missouri-Rolla, Rolla, MO 65409 (corresponding author).
3. Professor, Dept. of Chemical Engineering, Univ. of Missouri-Rolla, Rolla, MO 65409.