A review of achievements in water treatment with regard to deferrization and demanganation

Summary

To provide the population with drinking water, it is necessary that the quality of purified water meets the standard requirements. The absence of an appropriate water supply source or the use of drinking water with exceeding the maximum permissible concentrations of pollutants subsequently harms human health. Besides, a deterioration in the operation of water supply systems occurs as a result of corrosion, deposits and blockage of pipes. One of the major problems of groundwater treatment is the increased concentration of iron (Fe) and manganese (Mn). The existing methods of iron and manganese removal from water and the conditions of their application are described. In addition, a comparative analysis of the methods is carried out and promising areas in this area are considered. It has been established that all the existing methods of iron and manganese removal either have or require a filtration stage. The use of a catalytic layer of modified media in filters provides for achieving higher purification and filtration rates that will reduce the expenditures of water treatment plants and the cost of purified underground water.

Key words

filter , oxidation , ground water , demanganization , deferrization , removal of iron and manganese , фильтрующая среда