ghozatlu A, Enayatollahi A. Enhancing the effect of zinc oxide on the absorption of heavy metals from wastewater by using silica in graphene bed. AMECJ [Internet]. 26Dec.2019 [cited 5May2024];2(04):27-8. Available from: http://amecj.com/Journal/index.php/AMECJ-01/article/view/88