Membrane materials embedded inside mesoporous oxide matrix
A nanocomposite membrane showing excellent propylene/propane separation consists of propylene-selective coordination compounds uniquely embedded inside a mesoporous oxide matrix. The mesopores of the matrix are deposited with zinc oxide (ZnO) via atomic layer deposition technique (ALD), and the pores are plugged with a zeolitic imidazolate framework (ZIF) created by an expansive, reactive transformation of deposited zinc oxide to a zinc-imidazolate coordination compound.
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Enhanced separation performances and membrane stability
Propylene/propane separation is one of the most important, challenging and energy-intensive processes in petrochemical industry. The separation is traditionally performed by a highly energy-intensive, and therefore expensive, distillation process. Previous propylene-selective membranes were made by forming a continuous membrane layer on the surface of a porous support, but these membranes are susceptible to mechanical damage during handling and operation and suffer from other stability issues. By creating a propylene-selective nanocomposite membrane with the membrane materials embedded inside a mesoporous oxide matrix, this first-of-its-kind nanocomposite membrane offers enhanced separation performance and membrane stability. In addition, the membrane features an amorphous zinc-imidazolate coordination compound (as opposed to the crystalline structure of other membranes).
BENEFITS AND FEATURES:
Novel nanocomposite membrane
● Improved membrane stability (mechanical and thermal)
● Enhanced separation performance
● Easy, reproducible fabrication method
● Technoeconomic analysis available
● Gas separation
● Separation membranes
● Chemical/petrochemical industry
● Propylene recovery (polypropylene plant
Phase of Development - Prototype made and tested on laboratory scale.
|Interested in Licensing?|
|The University relies on industry partners to scale up technologies to large enough production capacity for commercial purposes. The license is available for this technology and would be for the sale, manufacture or use of products claimed by the issued patents. Please contact Larry Micek to share your business needs and technical interest in this technology and if you are interested in licensing the technology for further research and development.|