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In this study fifteen types of natural zeolites and synthetic zeolites and clay (Bentonite, Kaolinte) were used. Nine types of synthetic zeolites (K-fledspar, clay and trona) were synthesized by using local crude materials , also the column that was used for treating hard water was prepared from natural zeolite, synthetic zeolite and clay. The sample of red sea water was collected from segala areaat eastern side the of Port Sudan city. The study was investigated to determine the concentration of metals that causes hardness (Ca, Mg).The location of samples was taken from segala area at eastern shore of Red Sea of Port Sudan this area is the main source for Red sea water to the desalination plant, which supplies the city with drinking water. The analysis was investigated to determine the other parameters of water. Hydrogen ion concentration pH was measured using pH meter, TDS concentration was determined by TDS meter. So the concentration of cation metals especially those who caused water hardness (Ca, Mg) were determined by using titration by E.D.T.A and other solutions. They synthetic zeolite, natural zeolite and clay which used in this study were identified a long with XRD and IR.Mainly, this study was concentrated on treatment of metals which causes water hardness (Ca,Mg). The treatment process for synthetic zeolite and natural zeolite were recorded and all analysis results of elements in this study were analyzed, and the synthetic and natural zeolite was found to be better than clay and Albite was found to be the best type in this study .

Synthesis of zeolites and their applications as Ion exchange to remove water hardness