E. Abdosalehi - M. Sc. Irrigation Dept. Agriculture Faculty,Bu_Ali Sina University, Hamedan, Iran
H. Banejad - Ph. D, Assistant Professor,Irrigation Dept. Agriculture Faculty, Bu_Ali Sina University, Hamedan, Iran

In order to consideration of the magnetic field influence on reducing of water hardness, experiments of water treatment done in presence magnetic field, at water quality laboratory in Bu- Ali-Sina University (agriculture faculty). In this research, magnetic field intensities of zero Tesla (as a witness), 0.05 Tesla, 0.075 Tesla, and 0.1 Tesla, were examined. Also, it has chose amounts of water influent 4lit/h and 30lit/h. With doing examination by 3 times and analyze the results with SAS software, have shown that, magnetic field, changing at magnetic field intensity, amounts of water influent, and also together influence there factors, have significant effects at level of 99 percent on reducing of water hardness. With magnetic water sediments of available on surface in touching with water (that they built-up since before), removal, and also avoid of making the new sediments. In this paper reported results of experiments of magnetic treatment and changing at magnetic field intensity, amount of water influent, and together influence this factors on reducing of water hardness.

magnetic field, treatment, water source, water hardness, calcium carbonate, sediment, environment