Covalent organic frameworks (COFs)-incorporated thin film nanocomposite (TFN) membranes for high-flux organic solvent nanofiltration (OSN)

doi:10.1016/j.memsci.2018.11.005

Title: Covalent organic frameworks (COFs)-incorporated thin film nanocomposite (TFN) membranes for high-flux organic solvent nanofiltration (OSN)

Abstract

This paper reports a new class of thin film nanocomposite (TFN) membranes incorporated with covalent organic frameworks (COFs) nanoparticles in the polyamide skin layer and having enhanced solvent (ethanol) permeation flux and high solute rejection for organic solvent nanofiltration (OSN). These OSN membranes were prepared via interfacial polymerization of m-phenylenediamine (MPD) and trimesoyl chloride with the presence of COFs nanoparticles in the MPD aqueous solution, followed by chemical crosslinking and solvent activation. The prepared TFN membranes exhibited an improved surface hydrophilicity and a decreased skin layer thickness, which leading to a 46.7% increment in the ethanol permeance (up to 79.8 L m ^–2 h ^–1 MPa ^–1) compared to those COFs-free membranes, as well as an increased Rhodamine B (479 Da) rejection (up to 99.4%). Moreover, our prepared TFN OSN membranes exhibited an excellent solvent resistance after being statically immersed in N, N-dimethylformamide (DMF) at ambient temperature over 100 days, and after being consecutively cross-flow filtrated using Rose Bengal/DMF solution at ambient temperature over 7 days, both with no significant changes in the separation performance. Moreover, they showed only minor decrease in flux and rejection after being statically immersed in DMF at 80 °C over 14 days, which provides amore » strong potential in OSN applications.« less

Authors:

Li, Can ^[1]; Li, Shuxuan ^[1]; Tian, Long ^[1]; Zhang, Jinmiao ^[1]; Su, Baowei ^[1];

^[2]

Ocean Univ. of China, Qingdao (China)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Publication Date:: 2018-11-14

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Office of Energy Efficiency and Renewable Energy (EERE)

OSTI Identifier:: 1502586

Grant/Contract Number:: [AC05-00OR22725]

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Membrane Science

Additional Journal Information:: [ Journal Volume: 572; Journal Issue: C]; Journal ID: ISSN 0376-7388

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Covalent organic frameworks (COFs); Organic solvent nanofiltration (OSN); Thin film nanocomposite (TFN); Interfacial polymerization (IP)

Citation Formats


                    Li, Can, Li, Shuxuan, Tian, Long, Zhang, Jinmiao, Su, Baowei, and Hu, Michael Z. Covalent organic frameworks (COFs)-incorporated thin film nanocomposite (TFN) membranes for high-flux organic solvent nanofiltration (OSN).  United States: N. p., 2018. 
        Web.  doi:10.1016/j.memsci.2018.11.005.

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                    Li, Can, Li, Shuxuan, Tian, Long, Zhang, Jinmiao, Su, Baowei, & Hu, Michael Z. Covalent organic frameworks (COFs)-incorporated thin film nanocomposite (TFN) membranes for high-flux organic solvent nanofiltration (OSN).  United States.  doi:10.1016/j.memsci.2018.11.005.

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                    Li, Can, Li, Shuxuan, Tian, Long, Zhang, Jinmiao, Su, Baowei, and Hu, Michael Z. Wed .  
        "Covalent organic frameworks (COFs)-incorporated thin film nanocomposite (TFN) membranes for high-flux organic solvent nanofiltration (OSN)".  United States.  doi:10.1016/j.memsci.2018.11.005.  https://www.osti.gov/servlets/purl/1502586.

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@article{osti_1502586,

  title        = {Covalent organic frameworks (COFs)-incorporated thin film nanocomposite (TFN) membranes for high-flux organic solvent nanofiltration (OSN)},

  author       = {Li, Can and Li, Shuxuan and Tian, Long and Zhang, Jinmiao and Su, Baowei and Hu, Michael Z.},

  abstractNote = {This paper reports a new class of thin film nanocomposite (TFN) membranes incorporated with covalent organic frameworks (COFs) nanoparticles in the polyamide skin layer and having enhanced solvent (ethanol) permeation flux and high solute rejection for organic solvent nanofiltration (OSN). These OSN membranes were prepared via interfacial polymerization of m-phenylenediamine (MPD) and trimesoyl chloride with the presence of COFs nanoparticles in the MPD aqueous solution, followed by chemical crosslinking and solvent activation. The prepared TFN membranes exhibited an improved surface hydrophilicity and a decreased skin layer thickness, which leading to a 46.7% increment in the ethanol permeance (up to 79.8 L m–2 h–1 MPa–1) compared to those COFs-free membranes, as well as an increased Rhodamine B (479 Da) rejection (up to 99.4%). Moreover, our prepared TFN OSN membranes exhibited an excellent solvent resistance after being statically immersed in N, N-dimethylformamide (DMF) at ambient temperature over 100 days, and after being consecutively cross-flow filtrated using Rose Bengal/DMF solution at ambient temperature over 7 days, both with no significant changes in the separation performance. Moreover, they showed only minor decrease in flux and rejection after being statically immersed in DMF at 80 °C over 14 days, which provides a strong potential in OSN applications.},

  doi          = {10.1016/j.memsci.2018.11.005},

  journal      = {Journal of Membrane Science},

  number       = [C],

  volume       = [572],

  place        = {United States},

  year         = {2018},

  month        = {11}

}

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DOI: 10.1016/j.memsci.2018.11.005

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Title: Covalent organic frameworks (COFs)-incorporated thin film nanocomposite (TFN) membranes for high-flux organic solvent nanofiltration (OSN)

Abstract

Citation Formats

N-doped magnetic covalent organic frameworks for preconcentration of allergenic disperse dyes in textiles of fall protection equipment journal, January 2019

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journal, January 2019