1. Researcher, Dept. of Civil Engineering, Razi Univ., 6714967346 Kermanshah, Iran; Water and Wastewater Research Center, Razi Univ., 6714967346 Kermanshah, Iran.
2. Assistant Professor, Dept. of Water Engineering, Kermanshah Branch, Islamic Azad Univ., 6718997551 Kermanshah, Iran (corresponding author).
3. Ph.D. Candidate, Dept. of Civil Engineering, Razi Univ., 6714967346 Kermanshah, Iran; Water and Wastewater Research Center, Razi Univ., 6714967346 Kermanshah, Iran.
4. Professor, Dept. of Civil Engineering, Razi Univ., 6714967346 Kermanshah, Iran; Water and Wastewater Research Center, Razi Univ., 6714967346 Kermanshah, Iran.
5. Assistant Professor, Dept. of Environmental Engineering, College of Environment and Energy, Science and Research Branch, Islamic Azad Univ., 1477893855 Tehran, Iran.