Inventor: Prof. Dr. Taghreed Hashim al-Noor/Department of chemistry, Ibn al-Haitham College of education for pure and applied sciences, University of Baghdad
Abstract
Resin filters were used, the first filter used a weak positive resin while the second filter used negative resin. These filters were manufactured in measurements so that they can be installed in the RO water purification units. The main room is the removal of salinity from the wells water which enables this unit to be used And the physical and chemical tests on the treated water were sufficient to remove the Hardnes 98% and sulfate by 99.9%.