Brief application of titanium

Aug. 26, 2011 - PRLog -- 1. Application in chemical sector
Another notable feature of titanium is resistant to corrosion, which is due to its particularly high affinity of oxygen, generated in its surface layer of dense oxide film, the media can protect against corrosion of titanium. In most of the aqueous solution of titanium, can generate a passive oxide film on the surface. Therefore, titanium has good stability in acidic, alkaline, neutral aqueous salt solutions and oxidizing medium, its corrosion resistance is better than existing stainless steel and other non-ferrous metal, even can contrast with platinum. However, if a medium can be dissolved in a row when the titanium oxide film, the titanium in such media will be subject to corrosion. For example, titanium in hydrofluoric acid, concentrated or hot hydrochloric acid, sulfuric acid and phosphoric acid, dissolved in the solution of these titanium oxide film, so titanium is corrosion. If these oxidants or added to the solution of certain metal ions, the titanium oxide film would be protected at this time will increase the stability of titanium.

1. Chemical Industry
Titanium have good stability in a variety of acids, bases, salts medium, except the above four highly corrosive inorganic acid and aluminum chloride. Therefore, titanium is an excellent anti-corrosion materials in the chemical industry, has been more widely used. For example, uses titanium and titanium anode make wet chlorine cooler in the chlor-alkali industry, received good economic effect, known as a revolution in chlor-alkali industry,.

2. Oil industry
    Titanium in organic compounds, except under high temperature of the five organic acids (formic acid, acetic acid, oxalic acid, trichloroacetic acid and trifluoroacetic acid), has very good stability. Therefore, titanium is the good structural material in the oil refining and petrochemical, can be used to produce a variety of heat exchangers, reactors, pressure vessels and distillation tower.

3. Metallurgical Industry
Titanium is a reactive metal, has good suction performance, is excellent in the steel industry degassing agent, it can compound oxygen and nitrogen precipitated upon cooling of steel. In a small amount of titanium steel (0.1%) make steel tough and elastic. Titanium is also important alloy additives in steelmaking, aluminum and other industrial. Titanium is a common superconducting material. In addition, the titanium containing metal ions in the acidic solution has good stability, so the titanium in the hydrometallurgical industry, such as copper, nickel, cobalt, manganese and other non-ferrous metal production in the electrolysis, has a very wide range of applications.

4. Fertilizer Industry
Urea is an important fertilizer, have highly corrosive in the production process of urea, ammonia, ammonium, and their mixture, under high temperature and pressure conditions, the use of titanium instead of stainless steel increased significantly after the life of equipment, maintenance time is greatly reduced. So now the main equipment for the production of urea use titanium.

5. Desalination and shipbuilding industry
Sea water corrosion resistance of titanium is better than all other metals, it has a special stability of titanium whether in static or high-speed flow of sea water. Therefore, titanium is an ideal material for sea water desalination plant. Titanium will be increasing the number of applications in this area. Titanium corrosion resistance to seawater and sea air are strong, and strength, light weight, is the ideal structure of shipbuilding materials, has been widely used in various ships, submarines, many of the parts in deep water.

6. Power Industry
Titanium has good stability in the presence of chloride, sulfide, and many other corrosive hot water, so a lot of titanium has been used as a heat exchanger in thermal power plant cooling. With thin-walled titanium pipes to replace the copper-nickel alloy tube, not only greatly increase the service life and greatly reduced maintenance time, the economic effect is very significant.

7. Paper and textile industry
Titanium has special corrosion resistance for chlorine dioxide, sub acid, chlorite bleach and other bleacher. Therefore, the titanium has important applications in the textile industry, paper industry, bleaching equipment. For example, the titanium-made sub-machine use bleach works is well. Meanwhile, used as spinning head in the synthetic fiber industry.

8. Other aspects
Titanium can resistant body corrosion, and not harmful to humans. It can be widely used in medical and pharmaceutical industries. Titanium has good suction performance, have a wide range of applications in electronic vacuum and high vacuum technology.
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