1. Dept. of Environmental Engineering, Science and Research Branch, Islamic Azad Univ., Tehran 14778-93855, Iran.
2. Associate Professor, Dept. of Environmental Technologies Research Center, Ahvaz Jundishapur Univ. of Medical Sciences, Ahvaz 61357-15794, Iran (corresponding author).
3. Professor, Dept. of Chemical and Petroleum Engineering, Sharif Univ. of Technology, Tehran 14588-89694, Iran.