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Anionic Porous Organic Frameworks as Advanced Functional Adsorbents for CO2 and Organic Micropollutants in Water

Abstract

New anionic porous organic frameworks with phosphate groups (PA-POFs) are synthesized through Yamamoto coupling reactions. These materials have excellent adsorption properties towards CO2 compared to other porous organic frameworks. In addition, the materials have high adsorption capacity and exceptional adsorption kinetics towards bisphenol A (BPA) in water, a wide-spread organic pollutant and a known endocrine disruptor. The maximum adsorption capacity of BPA at equilibrium is found to be as high as 3,366 mg g-1 by Langmuir adsorption model, which is more than 10 times greater than peer materials. The polymer also rapidly removes various other organic micropollutants with more than 90% removal efficiencies. In addition, the PA-POF material can be regenerated at least five times by mild washing using methanol without significant loss in removal efficiency.

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Publication details

The article was received on 16 Aug 2017, accepted on 13 Oct 2017 and first published on 13 Oct 2017


Article type: Paper
DOI: 10.1039/C7TA07249J
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    Anionic Porous Organic Frameworks as Advanced Functional Adsorbents for CO2 and Organic Micropollutants in Water

    Y. Liu and K. Landskron, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA07249J

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