Three thirds of the Earth's land and seven quarters of the ocean, equivalent to one quarter of the ocean, 97% of the earth's fresh water resources are sea water. Sea water has a high salt content and a wide variety of microorganisms, which is not suitable for direct human consumption. The remaining 3% is life-sustaining freshwater, but about two-thirds is glaciers, so only 0.8% of the world's freshwater resources are available for human use.

Now, China is facing a severe shortage of water resources, for many years, the per capita freshwater resources only accounted for a quarter of the world's per capita ratio, is one of the 13 countries listed by the United Nations water shortage. Especially in the coastal regions, which are at the forefront and core of economic development, the shortage of water resources is becoming more serious. As the carrier of Marine resources, seawater resources are an important part of natural resources. Making full use of seawater resources has become an important research topic for us.

Seawater desalination equipment is an important equipment for converting seawater into fresh water. It can be used to supply fresh water to islands, tourist resorts, offshore oil platforms, etc., and can also be installed on vehicles and ships to provide highly diffuse and active fresh water for geological, petroleum and mineral resources. How to better operate seawater desalination equipment, deal with the lack of water resources in our country?

At present, seawater desalination equipment mainly uses reverse osmosis technology. During use, the pump is sent to the pressure vessel through a high-pressure pump. In a pressure vessel, high pressure forces seawater into a reverse osmosis membrane to remove salt. Reverse osmosis membrane method is one of the common desalination methods, but also a very environmentally friendly and energy-saving method, because it does not require any harmful chemical reagents. Reverse osmosis desalination equipment has the advantages of simple operation, energy saving and environmental protection, fast water production, no scaling, pipeline corrosion resistance, low operating cost, reliable equipment performance, etc., which can supply stable water sources for water-scarce areas. Article source "Lightrider"