The purpose of water treatment is to improve the quality of water so that it meets certain water quality standards. According to the different treatment methods, there are physical water treatment, chemical water treatment, biological water treatment and so on. According to the different treatment objects or purposes, there are two categories of water treatment and wastewater treatment. Water supply treatment includes drinking water treatment and industrial water treatment. Wastewater treatment is divided into domestic sewage treatment and industrial wastewater treatment. Among them, it is particularly closely related to thermal technology, which belongs to the scope of industrial water treatment, boiler feed water treatment, make-up water treatment, steam turbine main condensate water treatment and circulating water treatment. Water treatment plays an important role in developing industrial production, improving product quality, protecting human environment and maintaining ecological balance.
