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Title: C2 adsorption in zeolites: in silico screening and sensitivity to molecular models

Journal Article · · Molecular Systems Design & Engineering
DOI:https://doi.org/10.1039/C8ME00004B· OSTI ID:1463264
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [1]; ORCiD logo [3]
  1. Univ. of Minnesota, Minneapolis, MN (United States). Dept. of Chemical Engineering and Materials Science
  2. Univ. of Minnesota, Minneapolis, MN (United States). Dept. of Chemistry and Chemical Theory Center
  3. Univ. of Minnesota, Minneapolis, MN (United States). Dept. of Chemical Engineering and Materials Science and Dept. of Chemistry and Chemical Theory Center

Efficient separation of ethane and ethylene has been a long-standing challenge for the chemical industry. In this work, we use molecular modeling to identify zeolite and zeotype frameworks that have the potential to be the next-generation solution for the separation of these C2 compounds. Using two different united-atom versions of the transferable potentials for phase equilibria (TraPPE) force field, the zeolitic structures in the database of the International Zeolite Association are screened for the separation of ethane and ethylene. A detailed analysis, with regards to accessibility of favorable sites and sensitivity to molecular models (also considering the explicit-hydrogen TraPPE model for ethane), is carried out on the top-performing structures. This study provides insights on the performance and limitations of molecular models for predicting mixture adsorption in zeolites.

Research Organization:
Univ. of Minnesota, Minneapolis, MN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences, and Biosciences Division; USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division
Contributing Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Grant/Contract Number:
SC0008688; FG02–17ER16362; AC02-06CH11357
OSTI ID:
1463264
Alternate ID(s):
OSTI ID: 1434156
Journal Information:
Molecular Systems Design & Engineering, Vol. 3, Issue 4; ISSN 2058-9689
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 9 works
Citation information provided by
Web of Science

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