PSA Technology

Learn how Pressure Swing Adsorption (PSA) works, what’s needed to produce gas on-site, and the key benefits this efficient and reliable technology offers

PSA Technology

All Oreco PSA nitrogen and oxygen generators are based on the Pressure Swing Adsorption (PSA) technology, which we have chosen over other technologies due to its advantages in terms of reliability, system lifetime, purity, and cost-effectiveness.

The Pressure Swing Adsorption (PSA) process is the heart of the system as this is where the nitrogen is separated from conventional air and concentrated. The PSA method makes use of parallel separation units (vessels) filled with granular Carbon Molecular Sieves (CMS) in the form of pellets.

The pellets retain oxygen and allow nitrogen to pass. When due to saturation no more oxygen can be retained in the pellets, the process switches (swings) into the second vessel and releases the pressure in the first line, thereby allowing the oxygen to escape. The cycle is constantly repeated during operation.

To learn more about the process. Please see below

Why PSA?

Higher Efficiency: PSA systems use less compressed air than membrane solutions—saving energy while delivering the same nitrogen output.

Higher Purity: Achieve nitrogen purity up to 99.999%—without compromising on energy efficiency

Flexible & Scalable: Easily adjust nitrogen purity and expand capacity as your needs grow—one system that adapts to your operations

Low Operating Costs: With no moving parts in the PSA itself and minimal wear on process valves, maintenance is low—and so are your operating expenses.

Long-Lasting & Robust: CMS in PSA systems lasts longer than membranes and handles impurities in inlet air far better—reducing replacement costs and downtime

Smart Control & Monitoring: PSA systems offer advanced control and real- time monitoring—ensuring reliable performance and full process transparency

Designed Differently.
Built with Purpose

Made in Denmark – From Start to Finish

Unlike many competitors, all Oreco PSA generators are fully designed, assembled, and tested in Denmark. This ensures strict quality control and consistency in every system. With full oversight from start to finish, we deliver reliable, high-performance systems backed by Danish craftsmanship.

Agile and Customer-Focused

As a small, flexible company, we can quickly adapt to your specific needs—whether it’s a unique application or a demanding timeline. Our close-knit team works directly with you to provide tailored solutions, ensuring you get the best results, no matter the challenge.

Customer-Focused

Flexible company, we can quickly adapt to your specific needs—whether to provide tailored solutions, ensuring you get the best results, no matter the challenge.it’s a unique application or a demanding timeline. Our close-knit team works directly with you

General Installation

Installation, Commissioning & Training – Support When You Need It

Our systems are designed for easy self-installation, supported by clear, step-by-step manuals that guide you through the process. Prefer hands-on help?

Our experienced team is ready to assist—either on-site or remotely. We also offer commissioning support to ensure your system runs perfectly from day one. For added confidence, we provide
thorough training—either during Factory Acceptance Testing at our facility or on-site during commissioning—so your team feels fully prepared to operate the system with ease.

PSA Technology

PSA Technology

To learn more about the process. Please see below

Why PSA?

Designed Differently. Built with Purpose

Made in Denmark – From Start to Finish

Agile and Customer-Focused

Customer-Focused

General Installation

Get in Touch

Designed Differently.
Built with Purpose

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in Touch