What is a Pressure Swing Adsorption (PSA) Generator?

Author: Evelyn

Nov. 04, 2024

Understanding the Pressure Swing Adsorption (PSA) Generator

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Nitrogen is a major component of the air we breathe. With on-site nitrogen generation, businesses can harness this limitless nitrogen supply and drastically reduce annual costs by 80-90%. A Pressure Swing Adsorption (PSA) Nitrogen Generator operates by extracting nitrogen molecules from compressed air and adjusting them to achieve specific flow, purity, and pressure requirements.

Determining the required purity level for nitrogen production is crucial. For instance, applications such as tire inflation may only need a purity level between 90-99%. Conversely, industrial uses found in food and beverage production may require purity levels between 97-99.999%. Compared to other nitrogen generation technologies, PSA nitrogen generators stand out by offering the highest purity, making them ideal for a variety of applications.

Overview of PSA Technology

PSA nitrogen generators are designed for straightforward installation and operation. They provide an excellent return on investment and help eliminate the costs associated with refills and gas deliveries. Below are key insights into PSA nitrogen generators and their benefits for your operations:

  • PSA nitrogen generators work by separating nitrogen from other air molecules, using adsorption to capture oxygen and other gases from the compressed air stream.
  • This method of on-site nitrogen generation through PSA technology doesn’t rely on chemicals, substantially reducing yearly operating costs. Additionally, PSA systems place minimal stress on auxiliary equipment, potentially allowing units to last over 20 years with proper maintenance.

Discover a PSA Nitrogen Generator(tl,th,es) for Your Business at Compressed Gas Technologies Inc

At Compressed Gas Technologies Inc, we bring nearly 20 years of experience in delivering non-cryogenic nitrogen gas generators across North America. Our expertise encompasses both membrane and PSA systems, ensuring you receive the precise nitrogen gas quantity needed at competitive rates. With an extensive range of models and equipment available, our goal is to help you select the system that best matches your application. Additionally, we offer a variety of rental products, financing solutions, and engineering services, coupled with some of the most reliable warranties in the industry, ensuring your peace of mind.

For inquiries from Canada or the US, please reach out to our office at +1 (877) 737-, by email at or complete our online form for further information on our nitrogen generation products and services.

What Exactly is a PSA N2 Generator?

Nitrogen plays vital roles across various industries, including chemical processing, food storage, pharmaceuticals, and steel manufacturing. As a non-reactive gas abundant in the atmosphere, nitrogen inhibits spoilage in food, beverages, and medicines, underscoring its significance to modern conveniences.

With the growth of sectors demanding consistent nitrogen supply, such as industrial shipping and food preservation, the need for nitrogen has surged. While options for acquiring nitrogen exist, many businesses prefer nitrogen generators. The Pressure Swing Adsorption (PSA) generators stand out due to their efficiency and capability to produce high-purity nitrogen on-site.

Here's what you need to know.

How Does a PSA N2 Generator Operate?

The operation of a PSA nitrogen generator begins when compressed air passes through a series of filters that eliminate oil and moisture. The purified air is then introduced into adsorption vessels filled with carbon molecular sieve, which absorbs remaining moisture, carbon dioxide, and other impurities. At high pressure, oxygen is also collected by these sieves, allowing for the release of high-purity nitrogen while venting oxygen back into the atmosphere.

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Comparing PSA N2 Generators to Membrane Generators

The functioning mechanism of PSA N2 generators is starkly different from that of membrane generators. Membrane generators operate by forcing compressed air through thousands of hollow fibers, whereby components such as oxygen and CO2 pass through the fibers differently than nitrogen, enabling the separation of pure nitrogen from the output.

Benefits of PSA Nitrogen Generators

There are numerous advantages associated with PSA nitrogen generators that attract industry experts, especially when compared to traditional nitrogen cylinders. Familiarity with these benefits can assist in determining if a PSA generator meets your business needs.

Continuous Nitrogen Supply

PSA nitrogen generators operate continuously, providing a virtually unlimited nitrogen supply whenever necessary. This capability is often more reliable than nitrogen cylinders, which may suffer from supply chain disruptions. As long as they have power, PSA nitrogen generators remain operational.

High Purity of Nitrogen

These generators can yield nitrogen with purity levels up to 99%, making them crucial for industries requiring very high nitrogen content. The production flexibility offered by nitrogen generators caters to specific business purity needs.

Reduced Operational Costs

The upfront investment for nitrogen generators is reasonable, with ongoing operational costs being minimal. In contrast, nitrogen cylinders and bulk liquid nitrogen entail significant ongoing expenses. Many applications using PSA nitrogen generators can expect operational costs to be only 10-20% of purchasing traditional nitrogen sources.

Lower Environmental Impact

PSA nitrogen generators, as an on-site nitrogen source with minimal utility requirements, contribute a smaller environmental footprint. They serve as an eco-friendly alternative, especially when compared to nitrogen cylinder delivery, which necessitates transportation reliant on fossil fuels, hence raising a business's carbon footprint.

Seeking a PSA Nitrogen Generator for Your Operations? Contact On Site Gas Systems

For businesses needing high-purity nitrogen, PSA nitrogen generators are a dependable solution. They offer convenience, enabling the production of a nearly limitless nitrogen supply as required.

On Site Gas Systems specializes in both PSA and membrane nitrogen generators for industrial applications. With a strong reputation in the industry, we uphold a high standard for gas-generating systems. We custom design and fabricate gas systems on-site to cater to your business's gases requirements. To explore our offerings of PSA nitrogen generators and membrane systems, connect with the On Site Gas Systems team.

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