Polytriazole membranes with ultrathin tunable selective layer for crude oil fractionation
Emwas, Abdul-Hamid M.
Nunes, Suzana Pereira
KAUST DepartmentAdvanced Membranes and Porous Materials (AMPM) Center, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia.
Biological and Environmental Science and Engineering (BESE) Division
Environmental Science and Engineering Program
Imaging and Characterization Core Lab
Advanced Membranes and Porous Materials Research Center
Physical Science and Engineering (PSE) Division
Chemical Science Program
Chemical Engineering Program
Permanent link to this recordhttp://hdl.handle.net/10754/678595
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AbstractThe design of materials and their manufacture into membranes that can handle industrial conditions and separate complex nonaqueous mixtures are challenging. We report a versatile strategy to fabricate polytriazole membranes with 10-nanometer-thin selective layers containing subnanometer channels for the separation of hydrocarbons. The process involves the use of the classical nonsolvent-induced phase separation method and thermal cross-linking. The membrane selectivity can be tuned to the lower end of the typical nanofiltration range (200 to 1000 gram mole−1). The polytriazole membrane can enrich up to 80 to 95% of the hydrocarbon content with less than 10 carbon atoms (140 gram mole−1). These membranes preferentially separate paraffin over aromatic components, making them suitable for integration in hybrid distillation systems for crude oil fractionation.
CitationChisca, S., Musteata, V.-E., Zhang, W., Vasylevskyi, S., Falca, G., Abou-Hamad, E., Emwas, A.-H., Altunkaya, M., & Nunes, S. P. (2022). Polytriazole membranes with ultrathin tunable selective layer for crude oil fractionation. Science, 376(6597), 1105–1110. https://doi.org/10.1126/science.abm7686
SponsorsWe thank V. Samaras (KAUST, Analytical Corelab) for the GCxGC measurements, S. Aristizábal (KAUST) for valuable discussions, and F. Alduraiei (KAUST) for providing the Arabian crude oil. This work was sponsored by King Abdullah University of Science and Technology (KAUST), Office of Vice President of Research. The authors thank the Advanced Membranes and Porous Materials (AMPM) Center for the CCF grant and general discussions.
CollectionsArticles; Biological and Environmental Science and Engineering (BESE) Division; Advanced Membranes and Porous Materials Research Center; Environmental Science and Engineering Program; Imaging and Characterization Core Lab; Physical Science and Engineering (PSE) Division; Chemical Science Program; Chemical Engineering Program
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