[1] Water& Wastewater Treatment Research Laboratory, Department of Chemistry, University of Zanjan, Zanjan,313-45195, Iran
[2] Research and Development center, Zanjan Zinc Khales Sazan Industries Co.(ZZKICo), Zinc Industrial Estate, Zanjan,45351-53417, Iran
[3] Faculty of Chemistry, Urmia University, Urmia,West Azarbaijan,57153-165, Iran