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Zeolitic Imidazolate Framework Membranes: Novel Synthesis Methods and Progress Toward Industrial Use

Journal Article · · Annual Review of Chemical and Biomolecular Engineering
 [1];  [1];  [1];  [2];  [3]
  1. Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland, USA,
  2. Artie McFerrin Department of Chemical Engineering and Department of Materials Science and Engineering, Texas A&M University, College Station, Texas, USA,
  3. Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland, USA,; Applied Physics Laboratory, Johns Hopkins University, Laurel, Maryland, USA

In the last decade, zeolitic imidazolate frameworks (ZIFs) have been studied extensively for their potential as selective separation membranes. In this review, we highlight unique structural properties of ZIFs that allow them to achieve certain important separations, like that of propylene from propane, and summarize the state of the art in ZIF thin-film deposition on porous substrates and their modification by postsynthesis treatments. We also review the reported membrane performance for representative membrane synthesis approaches and attempt to rank the synthesis methods with respect to potential for scalability. To compare the dependence of membrane performance on membrane synthesis methods and operating conditions, we map out fluxes and separation factors of selected ZIF-8 membranes for propylene/propane separation. Finally, we provide future directions considering the importance of further improvements in scalability, cost effectiveness, and stable performance under industrially relevant conditions.

Research Organization:
Johns Hopkins Univ., Baltimore, MD (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
DOE Contract Number:
SC0021212
OSTI ID:
1980842
Journal Information:
Annual Review of Chemical and Biomolecular Engineering, Vol. 13, Issue 1; ISSN 1947-5438
Publisher:
Annual Reviews
Country of Publication:
United States
Language:
English

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