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MOF–cation exchange resin composites and their use for water decontamination

Abstract : Macroporous cation exchange resin beads were subjected to hydrothermal treatment in a ZIF-8 yielding solution resulting in a resin beads-MOF composite. The resin beads were employed as a shape providing carrier and support for the growth of MOF crystals. The conditions of synthesis were optimized so as to obtain maximum MOF loading. The final composites and their intermediates were characterized with complementary physicochemical methods, including XRD, SEM, thermal analysis (TG) and nitrogen sorption. The obtained composites were employed for water decontamination targeting a dye (methyl blue) and a medical (antibiotic) contaminant. The composite adsorbent showed excellent removing ability in recyclability, which exceeds the performance of building components, i.e., cation exchange beads and pure ZIF-8 material.
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Submitted on : Friday, December 4, 2020 - 9:27:52 AM
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Ping He, Kok-Giap Haw, Jiawang Ren, Qianrong Fang, Shilun Qiu, et al.. MOF–cation exchange resin composites and their use for water decontamination. Inorganic Chemistry Frontiers, Royal Society of Chemistry, 2018, 5 (11), pp.2784-2791. ⟨10.1039/C8QI00696B⟩. ⟨hal-03039838⟩



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