Factory Made PSA Nitrogen Generator For Pharmaceuticals

CAN GAS PSA N2 generator takes air as raw material and utilize the carbon molecular sieve (CMS) as absorbent. CMS absorption of oxygen in air is much larger than its absorption of nitrogen under certain pressure, thus through programmed on and off process of the automatic pneumatic valves, left...
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CAN GAS Factory Made PSA Nitrogen Generator For Pharmaceuticals takes air as raw material and utilize the carbon molecular sieve (CMS) as absorbent. CMS absorption of oxygen in air is much larger than its absorption of nitrogen under certain pressure, thus through programmed on and off process of the automatic pneumatic valves, left & right towers will work alternately to achieve pressurized adsorption and depressurize desorption, complete the separation of Oxygen and Nitrogen and reach the targeted purity of Nitrogen.


CANGAS offers one of the world's best solutions for self-production of nitrogen.


Factory Made PSA Nitrogen Generator For Pharmaceuticals is a modular system, which therefore can be easily increased as needed and with optional integrated (O2) oxygen meter.


CAN GAS offers very economical nitrogen (N2) generators and systems from small generator units to large high-nitrogen plant which is suitable for very different applications including: Chemical industry for inerting of tanks and oxygen-sensitive chemicals, Cutting gas in lasers, Carrier gas in analysis equipment for laboratories and hospitals, Inert gas for pressure testing of tanks and pipes, etc.


Please feel free to contact CAN GAS if you have any questions regarding your choice of nitrogen generator.

Nitrogen oxygen generator

What is PSA nitrogen generator?


Nitrogen generators and stations are stationary or mobile air-to-nitrogen production complexes.



The adsorption gas separation process in nitrogen generators is based on the phenomenon of fixing various gas mixture components by a solid substance called an adsorbent. This phenomenon is brought about by the gas and adsorbent molecules' interaction.

CAN GAS Pressure swing adsorption technology

The technology of air-to-nitrogen production with the use of adsorption processes in nitrogen generators is well studied and widely applied at industrial facilities for the recovery of high-purity nitrogen.


The operating principle of a nitrogen generator utilizing the adsorption technology is based upon the dependence of the adsorption rates featured by various gas mixture components upon pressure and temperature factors. Among nitrogen adsorption plants of various types, pressure swing adsorption (PSA) plants have found the broadest application world-wide.

The system's design is based on the regulation of gas adsorption and adsorbent regeneration by means of changing pressures in two adsorber–adsorbent-containing vessels. This process requires constant temperature, close to ambient. With this process, nitrogen is produced by the plant at the above-atmospheric pressure, while the adsorbent regeneration is accomplished at below-atmospheric pressure.


The swing adsorption process in each of the two adsorbers consists of two stages running for a few minutes. At the adsorption stage oxygen, H2O and CO2 molecules diffuse into the pore structure of the adsorbent whilst the nitrogen molecules are allowed to travel through the adsorber–adsorbent-containing vessel. At the regeneration stage the adsorbed components are released from the adsorbent vented into the atmosphere. The process is then multiply repeated.

CAN GAS PSA N2 generator Advantages

  • High nitrogen purity: PSA nitrogen generator plants allow production of high-purity nitrogen from air, which membrane systems are unable to provide – up to 99.9995% nitrogen. But in most cases they do not produce more than 98.8% nitrogen with the remainder being argon that is not separated from the nitrogen by the usual PSA process. The argon is not normally a problem, as argon is more inert than nitrogen. This nitrogen purity may also be ensured by cryogenic systems, but they are considerably more complex and justified only by large consumption volumes. The nitrogen generators use CMS (carbon molecular sieve) technology to produce a continuous supply of ultra high purity nitrogen and are available with internal compressors or without.

  • Low operating costs: By substitution of out-of-date air separation plants nitrogen production savings largely exceed 50%. The net cost of nitrogen produced by nitrogen generators is significantly less than the cost of bottled or liquefied nitrogen.

  • Environmental impact: Generating nitrogen gas is a sustainable, environmentally friendly and energy efficient approach to providing pure, clean, dry nitrogen gas. Compared to the energy needed for a cryogenic air separation plant and the energy needed to transport the liquid nitrogen from the plant to the facility, generated nitrogen consumes less energy and creates far fewer greenhouse gases.


ALL Applications of CAN GAS PSA nitrogen generators - Factory Made PSA Nitrogen Generator For Pharmaceuticals

  • Food and beverage industries: The moment food or beverages are produced, or fruits and vegetables harvested, an aging process kicks in until the complete decay of the products. This is caused by bacteria and other organisms. Generators are used to flood the products with N2 that takes out the oxygen and prolongs the product lifetime significantly because these organisms cannot develop. Furthermore, chemical degradation of food caused by oxidation can be eliminated or stopped.

  • Aircraft & motor vehicle tires: Although air is 78% Nitrogen, most aircraft tires are filled with nitrogen, and there are many tire and automotive shops with nitrogen generators to fill tires, the advantage being that nitrogen in a tank is dry. Nitrogen allows for maintenance of precise and proper tire pressure for longer than regular air, enhancing performance of motor vehicles. Often a compressed air tank will have water in it that comes from atmospheric water vapor condensing in the tank after leaving the air compressor. Nitrogen maintains a more stable pressure when heated and cooled as a result of being dry and doesn't permeate the tyre as easily due to being a slightly larger molecule (155 pm) than O2 (152 pm).

  • Chemical and petrochemical industries: The primary and very important application of nitrogen in chemical and petrochemical industries is the provision of inert environment aimed at ensuring general industrial safety during cleaning and protection of process vessels. Besides, nitrogen is used for pipelines pressure testing, chemical agents transportation, and regeneration of used catalysts in technological processes.

  • Electronics: In electronics, nitrogen serves as an antioxidant in the manufacture of semi-conductors and electric circuits, heat treatment of finished products, as well as in blowing and cleaning.

  • Fire Protection: The fire protection industry uses nitrogen gas for two different applications - fire suppression and corrosion prevention. Nitrogen generators are used in hypoxic air fire prevention systems to produce air with a low oxygen content which will suppress a fire. To prevent corrosion nitrogen generators are used in place of or in conjunction with a compressed air system to provide supervisory nitrogen gas in place of air for dry pipe and pre-action fire sprinkler systems.

  • Glass industry: In the glass production, nitrogen proves efficient as a cooling agent for bow oven electrodes, oxidation inhibitor during process procedures, as well as air cooler.

  • Metallurgy: The metal industry generally utilizes nitrogen as a means of protecting ferrous and non-ferrous metals during annealing. Also, nitrogen is helpful in such standard industry processes as neutral tempering, cementing, hard brazing, stress relieving, cyanide hardening, metal-powder sintering and extrusion die cooling.

  • Paint-and-varnish industry: Paint and varnish production uses nitrogen for the creation of an inert environment in process vessels to ensure safety, as well as for oxygen displacement during packing in order to prevent polymerization of drying oils.

  • Petroleum industry: In the petroleum industry, nitrogen is an indispensable component in a number of processes. Most commonly, nitrogen is used to create an inert environment for preventing explosions and for fire safety and to support transportation and transfer of hydrocarbons. Additionally, nitrogen is used for pipeline testing and purging, cleaning technological vessels and cleaning liquefied gas carriers and hydrocarbon storage facilities.

  • Pharmaceutical industry: In the pharmaceutical industry, nitrogen finds application in pharmaceuticals packaging, and ensuring against explosion and fire safety in activities where fine dispersed substances are used.

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