Original Equipment Manufacturing (OEM) Arrangements
This global network of value-added resellers integrate the PRISM Membrane gas separators into systems for a variety of applications, from food preservation to scuba-diving air.
PRISM Membrane Gas Separation
The PRISM Membranes Business unit develops, manufactures, and sells gas membrane separators. This group pioneered gas membrane separation for commercial use with early projects commissioned in 1977 and full-scale commercialization in 1979. The one-of-a-kind membrane manufacturing plant is located in Saint Louis, Missouri with offices and sales support located globally including Norway and Permea China Limited.
Today, PRISM Membranes has separators for several applications, including nitrogen/oxygen separation, gas dehydration, biogas upgrading, and several others. New technology is being deployed to increase efficiencies and to meet the demands of a changing market.
How Membrane Separators Work
Each membrane separator contains thousands of asymmetric hollow fibers that act as a molecular filter. When high-pressure gas mixtures enter the separator, the gas components divide as a result of selective permeation. Fast gases (such as oxygen) permeate easily through the membrane wall and exit the side port. Slow gases (such as nitrogen) have a difficult time passing through the membrane wall and travel the bore of the fiber exiting through the port at the end of the shell.
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Frequently Asked Questions
“Will PRISM membranes be damaged by liquid water and oil?”
PRISM membranes will not be permanently damaged by liquid water. The membrane performance can be restored by flowing warm, dry air through the membrane until all the liquid water is removed. The membranes will not be affected by oil vapor in the feed stream; however, the membranes will be permanently damaged by liquid oil entering or condensing in the membrane.