Nitrogen Generator Package (PSA System)
What is Nitrogen?
Nitrogen is a chemical element belonging to Group 15 of the periodic table, represented by the molecular symbol N₂. It constitutes approximately 78% of the Earth’s atmosphere by volume and is an essential component of all living organisms. Nitrogen is present in vital biological and industrial compounds such as ammonia (NH₃), amino acids, nitric acid (HNO₃), and cyanides.
Applications of Nitrogen:
Nitrogen is widely used across various industries, including:
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Steel and Metallurgical Industries
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Chemical and Petrochemical Industries
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Food Processing, Packaging, and Storage
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Plastics and Polymer Manufacturing
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Rubber Production (Automotive, Aerospace, etc.)
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Inerting and Safety Applications in Flammable Gas Environments
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Protection Against Reactive or Oxidative Chemicals
Nitrogen Production Methods:
Nitrogen can be produced in both gaseous and liquid states, primarily through two industrial processes:
PSA-Based Nitrogen Generator Technology:
The Pressure Swing Adsorption (PSA) method is a highly efficient technique for producing high-purity nitrogen gas. In this process, compressed air is passed through adsorbent materials known as Carbon Molecular Sieves (CMS). These sieves selectively adsorb oxygen and moisture (water vapor) due to their specific pore sizes, allowing nitrogen molecules to pass through and be collected.
When the CMS reaches adsorption saturation, the system switches to the second column, while the first is regenerated by releasing pressure—hence the term “pressure swing.”
Working Principle of a Nitrogen Generator:
A PSA nitrogen generator typically consists of a twin-bed adsorption system (also known as twin towers). The system is comprised of:
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Two alloy pressure vessels filled with CMS
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A series of high-performance pneumatic valves
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Air filters, pressure regulators, and control instrumentation
The process flow is as follows:
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Clean, dry, and oil-free compressed air enters one of the towers.
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As the air flows through the CMS material, oxygen and water vapor molecules are selectively adsorbed due to their smaller molecular diameters.
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The remaining nitrogen, now of high purity (ranging from 95% to 99.999%, based on application requirements), exits the system.
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Meanwhile, the other tower undergoes regeneration by depressurization to remove the adsorbed gases and prepare for the next cycle.
About Carbon Molecular Sieve (CMS):
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Particle Size: 1.8–2.0 mm diameter
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Designed for a lifespan of up to 10 years under ideal operating conditions
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Regenerable under pressure swing cycles
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Selectively adsorbs molecules up to ~3 Å (angstroms)
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Nitrogen molecule diameter: 3.1 Å (passes through)
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Oxygen molecule diameter: 2.9 Å (adsorbed)
Features of Fidar Faraz Nitrogen Generators:
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Compact and user-friendly design with full access to internal components
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Fully automatic operation suitable for 24/7 industrial use
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Touchscreen interface with real-time display and diagnostics
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Optional low-noise muffler design for noise-sensitive environments
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High-quality, durable PSA pneumatic valves
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Eco-friendly nitrogen production with low operational cost
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Adjustable nitrogen purity output from 95% to 99.999%, based on client specifications
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Minimal consumables and low maintenance requirements
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Equipped with Zirconia laser-type nitrogen analyzers for precise monitoring
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Advanced PLC-based intelligent control system
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Pressure indicators and transmitters for real-time pressure monitoring
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Use of CMS from reputable brands such as Carbotech or Xintao (as per customer request)
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Fast start-up capability and high operational safety
Contact Us:
For tailored consultation regarding your nitrogen generation requirements or to receive a quotation, please contact us via the following channels:
📞 Phone: +98 (21) 8280 2290 | +98 (21) 4607 7424
📧 Email: fidarfaraz@gmail.com