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. 2009 Aug 5;131(30):10368-9.
doi: 10.1021/ja9039983.

Zeolitic imidazolate frameworks for kinetic separation of propane and propene

Kunhao Li  1 , David H Olson, Jonathan Seidel, Thomas J Emge, Hongwei Gong, Heping Zeng, Jing Li
Affiliations

Zeolitic imidazolate frameworks for kinetic separation of propane and propene

Kunhao Li et al. J Am Chem Soc. .

Abstract

Propane/propene separation by cryogenic distillation is one of the most energy and cost intensive industrial processes. Adsorptive separation is a more energy-efficient alternative. Three isostructural zinc imidazolate zeolitic framework materials are found, for the first time, to be very promising in the separation of propene and propane based on their different diffusion rates. Fine-tuning of the pore opening size is critical for this type of separation.

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