An experiment was carried out on 500 mL deionized water with initial iron concentrations of 2, 4 and 6 ppm to test iron adsorption in water using pre-washed natural zeolite-kaolin aggregates brought from the Kalabsha district at Aswan, Egypt. The removal efficiency of iron increased to 80% after 1 h using natural zeolite at an adsorbent dose of 100 g ... إقراء المزيد