List of Articles حذف فلزات سنگین Open Access Article Abstract Page Full-Text 1 - Optimization of montmorillonite nanoparticles in tin removal from effluent maryam moghaddas Sepideh Kamalzadeh Simin Arabi Open Access Article Abstract Page Full-Text 2 - The removal of heavy metals (Ni, Cr, Cd) from soil contamination with crude oil using rhamanolipid biosurfactant Nayyereh Kholghi Hossein Amani Shokoufe Malek mahmoudi Alireza Amiri Open Access Article Abstract Page Full-Text 3 - Modeling of Removal of Heavy Metals from Industrial Wastewater Using Ash and Rice Husk with Fuzzy Logic Abdolhamid Ansari Sadegh Ameri 10.30495/wej.2022.21378.2151