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Where are Nitrogen Generators used

Atmospheric air comprises seventy-eight percent of nitrogen, twenty-one percent of oxygen, and one percent of other gases. Nitrogen finds its use in various industries like food packaging and mining. These industries require a constant supply of nitrogen. Some industries use nitrogen cylinders, but these cylinders are not easy to transport and are expensive. Industries use on-site nitrogen gas generators to meet their nitrogen.

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Where are Nitrogen Generators used

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  1. Where are Nitrogen Generators used? Atmospheric air comprises seventy-eight percent of nitrogen, twenty-one percent of oxygen, and one percent of other gases. Nitrogen finds its use in various industries like food packaging and mining. These industries require a constant supply of nitrogen. Some industries use nitrogen cylinders, but these cylinders are not easy to transport and are expensive.  Industries use on-site nitrogen gas generators to meet their nitrogen supplies. Nitrogen generators produce pure nitrogen by separating it from oxygen and other gas molecules.

  2. Types of nitrogen gas generators Following are the two types of nitrogen gas generators : Pressure Swing Absorption (PSA) nitrogen generator - This method uses compressed air to get nitrogen. This method consists of two vessels. The first vessel contains carbon molecular sieves that absorb oxygen. The other chamber depressurizes nitrogen which flows to the storage unit. The nitrogen thus formed is of high purity. Membrane nitrogen generator - Compressed air passes through porous fibers in this method. Lighter gases can pass through these fibers and hence exit the system. The heavier, slow-moving nitrogen molecules remain in the system. In this way, nitrogen gets separated from other atmospheric gases.

  3. What are the applications of nitrogen generators? Nitrogen generators find their applications in a variety of industries. Some of these industries are listed below : Food and beverage industry: Nitrogen is an inert gas. Filling food packets with nitrogen increases their shelf life. Nitrogen prevents the decay of food products by bacteria and other microorganisms. Chromatography: Nitrogen generators provide a constant supply of nitrogen during liquid chromatography - mass spectrometry and gas chromatography.  Gas chromatography uses capillary GC columns which help to analyze a sample for chemical compounds that are present. Metallurgy: Nitrogen is beneficial to protect ferrous and non-ferrous metals during annealing.

  4. Electronics industry: Nitrogen helps solder processes. It also helps to replace oxygen during the manufacturing of semiconductors and electric circuits. Aircraft and automobile tires: Tires in automobiles and air crafts are filled with nitrogen as it does not contain moisture. Nitrogen maintains a stable temperature when heated or cooled. Nitrogen helps in reducing the temperature of the tire while running. Many automobile shops have nitrogen gas generators to fill the tires. Fire protection industry: In fire protection industry it has two applications - fire suppression and corrosion prevention. Nitrogen produced by generators contains a low amount of oxygen. It helps in suppressing fire safely by restricting the supply of oxygen. Nitrogen is used in fire extinguishers. Using natural air in pipes and prefire sprinklers causes erosion of the pipes. Replacement of air with nitrogen helps in preventing this erosion.

  5. Petroleum industry: Nitrogen is used to provide an inert environment to prevent explosions and for fire safety. Nitrogen is also in use for pipeline testing, cleaning liquefied gas carriers, and facilitating the storage of hydrocarbons. Glass industry: Nitrogen acts as an efficient cooling agent for electric arc furnace electrodes. It also helps to remove oxygen during glass production. SOURCE https://quadrexcorp.blogspot.com/2021/06/where-are-nitrogen-generators-used.html

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