The Linde Group (Munich, Germany; www.the-linde-group.com) and Evonik Industries AG (Essen, Germany; www.evonik.com) have concluded an exclusive cooperation agreement on the use of membranes for natural gas processing. The two companies will jointly promote
In this hybrid helium-recovery process, hollow-fiber membrane units concentrate a crude gas stream that is subsequently fed to a pressure-swing adsorption process, which purifies the stream to 99.999% helium
Linde Engineering
membrane technology – Evonik on the membrane and polymer side and Linde’s Engineering Division as the system integrator for the complete membrane package units. Evonik’s established membrane technology will serve as the basis. The joint product will be marketed by Linde as the “HISELECT powered by Evonik” high-performance membrane package unit.
Tobias Keller, head of the Adsorption and Membrane Plants Product Line of Linde’s Engineering Division, says: “We’re delighted to be extending our successful collaboration with Evonik to the important gas separation market of natural gas processing. HISELECT™ membranes are opening up new and innovative options in gas separation, especially in combination with our other established processes. With this, we’re consolidating our position as the world’s leading company for gas separation technologies as well as suppliers of complete separation packages.”
At the heart of the collaboration lies Evonik’s polymer-based membrane technology. The specialty chemicals company has developed this technology further for the area of natural gas and has recently commercialized it. It is the key component in Linde’s new HISELECT™ membrane, which the technology group will market globally in complete membrane package units for onshore gas separation and upgrading plants.
Dr. Axel Kobus, head of the Fibres, Membranes, & Specialties Product Line at Evonik, says: “Our latest membrane technology for upgrading of natural gas significantly expands our existing product range. We have used it to build up an attractive and powerful membrane portfolio for almost the entire gas separation market in less than 10 years, based on our polymer competencies. Our exclusive partnership with Linde in a major natural gas market strengthens our strategic positioning and reputation worldwide.”
Linde and Evonik strengthened their collaboration in the area of membrane-based gas separation in 2016. The partnership resulted in the startup of a reference plant for helium upgrading in Mankota (Canada), which is the first ever plant of this kind to combine both separation methods, the membrane and pressure swing adsorption technologies. The plant processes more than 250,000 standard cubic meters of crude gas daily and produces industrial quality helium of 99.999% purity. For more information on this project, read Extending Membranes’ Reach Across the CPI.
The SEPURAN product family includes membranes for upgrading biogas, nitrogen extraction, and upgrading helium and hydrogen. These are produced at Evonik’s site in Schörfling (Austria). The neighboring Evonik site in Lenzing produces the high-performance polymer starting material.