Pore opened zeolite nanosheets and their suspensions and methods and uses related thereto
Abstract
Methods for forming two-dimensional (2D) zeolite nanosheets include exposing a multi-lamellar (ML) zeolite material including an organic structure directing agent (OSDA) to a mixture including sulfuric acid and hydrogen peroxide under conditions sufficient to remove substantially all of the OSDA from the ML zeolite material; and after exposing the ML zeolite material, treating a solution containing the ML zeolite material to sonication and/or mixing under conditions sufficient to substantially exfoliate layers of the ML zeolite to obtain porous two-dimensional zeolite nanosheets that are substantially free of the OSDA. In some cases, without further treatment such as secondary growth of the zeolite coating layer, a deposit of the OSDA-free nanosheets on polymer support exhibits hydrocarbon isomer selectivity.
- Inventors:
- Issue Date:
- Research Org.:
- Univ. of Minnesota, Minneapolis, MN (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1525008
- Patent Number(s):
- 10213748
- Application Number:
- 15/386,217
- Assignee:
- Regents of the University of Minnesota (Minneapolis, MN)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
- DOE Contract Number:
- AR0000338
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2016-12-21
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Tsapatsis, Michael, Xiao, Qiang, and Zhang, Han. Pore opened zeolite nanosheets and their suspensions and methods and uses related thereto. United States: N. p., 2019.
Web.
Tsapatsis, Michael, Xiao, Qiang, & Zhang, Han. Pore opened zeolite nanosheets and their suspensions and methods and uses related thereto. United States.
Tsapatsis, Michael, Xiao, Qiang, and Zhang, Han. Tue .
"Pore opened zeolite nanosheets and their suspensions and methods and uses related thereto". United States. https://www.osti.gov/servlets/purl/1525008.
@article{osti_1525008,
title = {Pore opened zeolite nanosheets and their suspensions and methods and uses related thereto},
author = {Tsapatsis, Michael and Xiao, Qiang and Zhang, Han},
abstractNote = {Methods for forming two-dimensional (2D) zeolite nanosheets include exposing a multi-lamellar (ML) zeolite material including an organic structure directing agent (OSDA) to a mixture including sulfuric acid and hydrogen peroxide under conditions sufficient to remove substantially all of the OSDA from the ML zeolite material; and after exposing the ML zeolite material, treating a solution containing the ML zeolite material to sonication and/or mixing under conditions sufficient to substantially exfoliate layers of the ML zeolite to obtain porous two-dimensional zeolite nanosheets that are substantially free of the OSDA. In some cases, without further treatment such as secondary growth of the zeolite coating layer, a deposit of the OSDA-free nanosheets on polymer support exhibits hydrocarbon isomer selectivity.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {2}
}
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