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Title: SAPO-34 Membranes for Xenon Capture from Air

Abstract

Capturing Xe from gas mixtures represents one of the most challenging molecular gas separations. In this communication, we demonstrate the ability of a zeolite membrane, denoted as SAPO-34 to effectively capture Xe from air. Specifically, SAPO-34 membranes showed air permeances as high as 2.3 x 10-7 mol/m2 s Pa (690 GPU) and separation selectivities as high as 30.1 for a molar feed of 9:1 air/Xe. Molecular sieving, competitive adsorption, and diffusivity differences played a critical role in the overall separation performance. Membranes were air selective due to favorable molecular sieving and differences in diffusivity between gases present in mixture and Xe, which were identified as the dominant separation mechanisms. The high air permeances, and high separation selectivities, make these membranes highly appealing as a potentially less energy intensive alternative to cryogenic distillation the benchmark technology used to separate these gases. We (Pacific Northwest National Laboratory) acknowledge US Department of Energy (DOE), Office of Nuclear Energy for adsorption. P.K.T. would like to acknowledge Dr Terry Todd at Idaho National Laboratory, Dr Robert Jubin at Oakridge National Laboratory, Dr John Vienna at Pacific Northwest National Laboratory (PNNL), Kimberly Gray, Dr. Patricia Paviet and Jim Breese (DOE-NE HQ) for programmatic support. PNNL ismore » a multi-program national laboratory operated for the US DOE by Battelle under Contract DE-AC05-76RL01830.« less

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1496822
Report Number(s):
PNNL-SA-136512
Journal ID: ISSN 0376-7388
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article
Journal Name:
Journal of Membrane Science
Additional Journal Information:
Journal Volume: 573; Journal Issue: C; Journal ID: ISSN 0376-7388
Publisher:
Elsevier
Country of Publication:
United States
Language:
English

Citation Formats

Wu, Ting, Lucero, Jolie, Crawford, James M., Sinnwell, Michael A., Thallapally, Praveen K., and Carreon, Moises A. SAPO-34 Membranes for Xenon Capture from Air. United States: N. p., 2019. Web. doi:10.1016/j.memsci.2018.12.021.
Wu, Ting, Lucero, Jolie, Crawford, James M., Sinnwell, Michael A., Thallapally, Praveen K., & Carreon, Moises A. SAPO-34 Membranes for Xenon Capture from Air. United States. https://doi.org/10.1016/j.memsci.2018.12.021
Wu, Ting, Lucero, Jolie, Crawford, James M., Sinnwell, Michael A., Thallapally, Praveen K., and Carreon, Moises A. 2019. "SAPO-34 Membranes for Xenon Capture from Air". United States. https://doi.org/10.1016/j.memsci.2018.12.021.
@article{osti_1496822,
title = {SAPO-34 Membranes for Xenon Capture from Air},
author = {Wu, Ting and Lucero, Jolie and Crawford, James M. and Sinnwell, Michael A. and Thallapally, Praveen K. and Carreon, Moises A.},
abstractNote = {Capturing Xe from gas mixtures represents one of the most challenging molecular gas separations. In this communication, we demonstrate the ability of a zeolite membrane, denoted as SAPO-34 to effectively capture Xe from air. Specifically, SAPO-34 membranes showed air permeances as high as 2.3 x 10-7 mol/m2 s Pa (690 GPU) and separation selectivities as high as 30.1 for a molar feed of 9:1 air/Xe. Molecular sieving, competitive adsorption, and diffusivity differences played a critical role in the overall separation performance. Membranes were air selective due to favorable molecular sieving and differences in diffusivity between gases present in mixture and Xe, which were identified as the dominant separation mechanisms. The high air permeances, and high separation selectivities, make these membranes highly appealing as a potentially less energy intensive alternative to cryogenic distillation the benchmark technology used to separate these gases. We (Pacific Northwest National Laboratory) acknowledge US Department of Energy (DOE), Office of Nuclear Energy for adsorption. P.K.T. would like to acknowledge Dr Terry Todd at Idaho National Laboratory, Dr Robert Jubin at Oakridge National Laboratory, Dr John Vienna at Pacific Northwest National Laboratory (PNNL), Kimberly Gray, Dr. Patricia Paviet and Jim Breese (DOE-NE HQ) for programmatic support. PNNL is a multi-program national laboratory operated for the US DOE by Battelle under Contract DE-AC05-76RL01830.},
doi = {10.1016/j.memsci.2018.12.021},
url = {https://www.osti.gov/biblio/1496822}, journal = {Journal of Membrane Science},
issn = {0376-7388},
number = C,
volume = 573,
place = {United States},
year = {2019},
month = {3}
}

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Works referencing / citing this record:

Xenon Recovery by DD3R Zeolite Membranes: Application in Anaesthetics
journal, October 2019


Xenon Recovery by DD3R Zeolite Membranes: Application in Anaesthetics
journal, September 2019