Titanium: The Ideal Choice To Lead The Desalination Revolution

Titanium: The Ideal Choice To Lead The Desalination Revolution


With the increasingly serious problem of global water scarcity, desalination technology has become one of the key ways to solve the problem of water scarcity. Among the many metal materials, titanium, with its unique resistance to seawater corrosion and multiple advantages, has become an ideal material for seawater desalination plants, indicating that it will play an important role in the field of seawater desalination in the future.

With its excellent corrosion resistance, high strength, low density and other characteristics, #titanium has shown great potential in the field of seawater desalination. Whether in stationary or high-speed flowing seawater, titanium has excellent stability and is the material of choice for seawater desalination plants. Additionolly, titanium is also widely used in the shipbuilding industry for its strong resistance to marine air corrosion, making it an ideal structural material for ships, deep-water submarines and other components.

At present, desalination technology has spread to more than 60 countries and regions around the world, with more than 6 million desalination plants, with a daily output of about 35 million tons, and an annual growth rate of more than 10%. Mainstream desalination methods include multi-stage flash distillation (MSF), low-temperature multi-effect distillation (LT-MED), and reverse osmosis membrane (RO). In China, LT-MED and RO methods dominate. In the future, multiple desalination projects will be launched, and the desalination industry is expected to usher in huge room for development.

With the advancement of technology and the reduction of costs, desalination already has the economic advantages of large-scale application.Compared with the traditional south-to-north water transfer project, the cost of tons of water for desalination is lower. To this end, the state has introduced a series of incentive policies, and it is expected that in the next few decades, the scale of desalination will be five times that of the current one.In this context, the application of #titanium alloy in seawater desalination equipment will gradually replace copper alloy and become a future trend.




The application of titanium in the field of seawater desalination is mainly due to its many advantages. First of all, the small density and high specific strength of titanium make it possible to use titanium under the same conditions to greatly reduce the amount of material. Secondly, titanium has excellent corrosion resistance, can resist the erosion of seawater, and ensure the long-term stable operation of the equipment. In addition, #titanium also has excellent heat transfer properties and heat resistance, which are suitable for a variety of complex working environments.

In seawater desalination equipment, the application of titanium tubes is particularly prominent. Compared with copper alloy tubes, titanium tubes have the advantages of using less materials, good thermal conductivity, higher cost performance and longer service life. For example, in places with less corrosive properties, titanium tubes with thinner wall thickness can be used to save material costs; although the price of titanium tubes is comparable to that of copper alloy tubes, due to their low density, the quality of titanium tubes of the same length is only about 50% of that of copper alloy tubes, which has a higher price/performance ratio.

Internationally, Japan has achieved remarkable results in the application of titanium tubes in seawater desalination plants.A number of well-known companies such as Hitachi, Mitsubishi and Toshiba have used #titanium welded pipes extensively in seawater desalination equipment and have accumulated rich experience. These successful application cases have provided strong support for the promotion and application of titanium in the field of seawater desalination.

Looking to the future, with the continuous development of desalination technology and the continuous expansion of application fields, titanium will play a more important role in the field of desalination.It is expected that in the next ten years, China's demand for titanium pipes for desalination of water will reach 95-235.20 tons, and the global demand will reach 1.4063-2.8125 million tons. Although the initial domestic demand is not large, it only accounts for 1.6% of the total international demand, and the overall development space is huge.


With its unique properties and advantages, titanium has become an ideal choice in the field of seawater desalination. In the future, with the continuous progress of technology and the continuous expansion of the market, the application of titanium in the field of seawater desalination will be more extensive and in-depth.