Terras Copco is proud to introduce its latest series of cutting-edge OGP oxygen generators, which seamlessly, efficiently, reliably and cost-effectively produce oxygen (O2) on-site, requiring only the supply of dry compressed air. These environmentally friendly machines achieve significant overall savings by reducing the total cost of oxygen per cubic meter, optimizing uptime due to continuous oxygen supply and ensuring gas purity.

Oxygen is a key gas in many industries, including wastewater treatment, food and beverage, pulp and paper, steel, medical, pharmaceutical, bioenergy, metallurgy, glass, and aquaculture. Oxygen has many uses in different applications: adding oxygen to the process to better control the heating mode, improve furnace efficiency (reduce fuel consumption), and reduce particulate matter and NOx emissions. It can also be used with gas to enhance processes such as gas welding, gas cutting, deoxygenation, flame cleaning, flame hardening, and flame straightening. In addition, oxygen is a raw material for many oxidation processes and is also used to regenerate catalysts.

Compared with purchasing this gas from a supplier, producing or generating oxygen on site is a very cost-effective, safe, space-saving and convenient solution. Thanks to breakthrough engineering design, Atlas Copco's new OGP 3-30 PSA (pressure swing adsorption) machine can provide first-class oxygen production performance and efficiency. These generators ensure continuous and reliable on-site oxygen production with a significantly reduced total cost per oxygen. In addition, with the push of a button, the user can select the correct oxygen purity level for the application.

"Through our OGP oxygen generator, professional oxygen users can become oxygen producers," said Zandra van der Westhuizen, Atlas Copco Compressor Technology Business Line Manager. "It's easy to switch from purchasing gas from a supplier to producing oxygen on site. All that is needed is a compressed air system and a gas generator, and the plug-and-play machine is ready to produce oxygen on site."

Van der Westhuizen drew attention to the myriad benefits of on-site oxygen production. "Compared with traditional generators, our Atlas Copco OGP generators have a 30% increase in efficiency at full load. In addition, due to the machine’s innovative variable cycle energy-saving technology, OGP generators have low oxygen requirements. Up to 70% of additional energy can be saved at the same time. All these add up to reduce the cost of oxygen per cubic meter, thus achieving unparalleled cost savings."

Generating oxygen internally also ensures a reliable and continuous source of supply, thereby reducing potential shutdowns due to inventory shortages. "Reliance on third-party suppliers is eliminated," Van der Westhuizen added. "The user has full control to generate the exact amount of oxygen at the correct and guaranteed purity required for a specific application when needed. If more oxygen is needed, just run the generator longer. The bottom line-the user only Pay for the natural gas they need and use."

Returning to the topic of purity, Van der Westhuizen pointed out that for most application requirements, the purity of purchased oxygen is usually overestimated. “On-site generators can not only achieve this high purity more cost-effectively, but also provide additional savings. Because more energy is required to produce the highest purity oxygen, the ability of on-site generators to set the correct purity for a specific application will be significantly reduced User’s operating costs."

Another advantage of on-site oxygen production is that there is no need to store oxygen cylinders or install large-scale liquid oxygen tanks. Due to the intelligent design, aluminum extrusions and the use of first-class zeolite molecular sieve (ZMS) materials, the OGP generator has a very small footprint and requires only a small space in the production facility.

Finally, using Atlas Copco's OGP generator to produce oxygen on site, eliminating the hassle of long-term contracts, logistics and safety issues associated with ordering and handling third-party oxygen cylinders. There is no need to move pressurized cylinders around the factory, thereby avoiding the potential risk of employee injury. Finally, eliminating oxygen transportation and delivery reduces the user's carbon footprint.

The production of oxygen for industrial use is a simple process that involves separating oxygen molecules from other molecules in a stream of clean, dry compressed air. The OGP generator uses and optimizes the pressure swing adsorption (PSA) technology. This simple, reliable, and cost-effective process takes place in two separate pressure vessels (column A and column B), each containing a carbon zeolite molecular sieve (ZMS) that separates oxygen from the incoming air. Adsorption occurs when atoms, ions, or molecules from a substance (compressed air in this case) adhere to the surface of the adsorbent. PSA technology isolates oxygen molecules from other molecules (nitrogen, CO2, water vapor, and trace gases), leaving high-purity oxygen at the outlet of the generator. The ZMS material switches between the separation process and the regeneration process. Therefore, at any time, one of these vessels will produce oxygen, while the other will regenerate its saturated ZMS. As a result, PSA technology can achieve a continuous, high-volume oxygen flow of the required purity (90% to 95%).

Atlas Copco OGP generator comes standard with oxygen sensor, digital flow meter, pressure regulator and automatic start function. The machine is equipped with a new advanced controller with a large high-definition color touch screen, which can be easily and user-friendly navigation through options such as oxygen purity selection and purity alarm. Automated 24/7 feed air and oxygen monitoring and interception functions ensure the performance and output quality of the OGP generator.

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