Tag Archives: Prism Membranes

Fire prevention equipment made with PRISM PA nitrogen separators.

A shout out to our friends at Engineered Corrosion Solutions in Saint Louis, Missouri.

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Engineered Corrosion Solutions will be exhibiting at SFPE’s Annual Conference & Expo in Nashville, Tennessee from October 28 – October 30, 2018. As an annual participant, this is going to be the biggest year for ECS yet.  Stop by table #25 for hands-on product demonstrations of ECS product offerings:

Engineered Corrosion Solutions is using the PRISM PA nitrogen separators as part of their wall mount fire sprinkler corrosion prevention system. Be sure to check out the great work that they are doing keeping our buildings safe.

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Why are PRISM separators made of plastic?

Air Products PRISM Membranes decided many years ago, to create membrane gas separators that are lightweight and durable. Evaluating many available materials, our engineers selected ABS for the shell (bodies) of the separators and aluminum end caps for the connection ports.

Our product philosophy is to provide a product that can be easily handled during assembly or field maintenance. The lightweight PRISM Membrane separators can be managed by one technician without the need for additional lift assist equipment. A benefit of PRISM Membrane separators is that they are a great fit for mobile systems. This is handy when your system is in a remote oilfield or in the hull of a ship.

Is ABS a good material choice for industrial products?

Acrylonitrile Butadiene Styrene (ABS) is an opaque thermoplastic and amorphous polymer. It has a strong resistance to corrosive chemicals and physical impacts. It’s easy to machine and is very structurally sturdy, which is why it is used in things like camera housings and car bumpers. ABS is relatively harmless as it doesn’t have any known carcinogens and there are no known adverse health effects related to ABS exposure. If you need a lightweight and durable material that holds up well to external impacts, ABS is a good choice.

So, is it OK to have an untreated aluminum component exposed to the elements?

When aluminum oxidizes, it forms aluminum oxide. This naturally occurring oxide layer, which forms on any exposed aluminum surface, protects the metal from any further deterioration. Plus, any surface scratches immediately form a new oxidation layer, making the surface self-healing.

Aluminum Oxide is used in many products for its hardness and strength, primarily in abrasive products like cutting tools and sandpaper, where the aluminum oxide is a substitute for industrial diamonds. If you’re looking for a strong, scratchproof coating, aluminum oxide is a clear winner.

Note: Air Products PRISM Membrane separators are also manufactured in other materials, like stainless-steel, for specialty applications.

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Pushing the bounds of science. Again.

Air Product’s Dr. Adam Kratochvil will be presenting a brief synopsis of his work in developing thermally rearranged (TR) hollow fiber membranes at the North American Membrane Society (NAMS) conference in June 2018. The NAMS conference gives students and scientists, who are actively exploring new membrane technologies, a forum to present their research and to exchange ideas with others in their field of exploration.

DrKratochvil_96dpiThe TR technology was discovered by Hanyang University in Korea and is now licensed by Air Products PRISM® Membranes.  A TR hollow fiber membrane allows for very precise separations of molecules through the unique membrane structure resulting from a tightly controlled manufacturing process.  Adam will present the development process of the new TR polymer, hollow fiber membrane, and techno-economic evaluations for natural gas sweetening applications.  Scaling the process to commercial production presents a monumental challenge and Dr. Kratochvil has some valuable insights into making the process work successfully.


NAMS 2018 is being hosted by The University of Kentucky and King Abdullah University of Science & Technology at the Hilton Lexington in Lexington, KY, USA.

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