Waste water treatment of some heavy metals was carried out by synthetic zeolite P1, which was prepared by alkaline hydro thermal\ntreatment of the pumice. Both of the pumice raw materials and synthetic zeolite were investigated for their chemical phase\ncomposition, physical properties, and micro structure.The adsorption behavior of Na-zeolite P1 with respect to Co+2, Cu+2, Fe+2,\nand Cd+2 has been studied to be applied in the industrial waste water treatment. Metal removal was investigated using synthetic\nsolutions at different ions concentrations, time, and Na-P1 zeolite doses as well as constant temperature and pH. It is concluded\nthat the optimum conditions for synthesis of highly active Na-P1 zeolite from natural pumice raw material are one molar NaOH\nconcentration, temperature at 80?C, and one week as a crystallization time. In addition to the effect of time and zeolite dose as well\nas the ion concentration of the reaction efficiency for metals removals are recorded.
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