Water Treatment Systems Exists today in Russia is an objective lack of energy (electricity and thermal) capacity due, largely, not only lack of building new generating plants, but significant deterioration of already existing thermal power plants. Among the many causes of this deterioration, one of the key roles played by the poor quality of the coolant - water. This issue remains urgent, despite the fact that today was developed and widely used a whole arsenal of means for water treatment. It was established that the activities of water treatment gives fuel savings of 20 to 40%, extends the life of boilers and boiler equipment up to 25-30 years. However, the complexity of the situation is that when large volumes of water, reaching several thousand m3 / h, its cleaning and preparation is complex and multifaceted task, involving technical, economic and environmental aspects. This involves take into account the continuous increase in prices for reagents and electricity consumption which in these processes is very high. It should also take into account that the cost of electricity for pumps in water treatment systems up to 40% of total requirements. It is obvious that one way to reduce costs and risks is to use a water treatment plant (WTP) of modern physicochemical methods and energy-efficient equipment, in particular - pumps for different purposes. Pretreatment significant amount of impurities of different dispersity in natural waters determines the need for their multi-stage training. The first stage involves removal of coarse (GFC) and colloidal particles. Keep in mind that mistakes at this stage cause reduced efficiency of the subsequent stages (eg, organic pollutants can cause "poisoning" ion-exchange resins), as well as give rise to deposits on the surface of the heating and corrosion of metallic elements.

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