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Abstract:
The selective and efficient removal of pollutants is essential for wastewater treatment and resource recycling. In this study, an ultra-thin molecularly imprinted polymers (MIPs) membrane with a thickness of 1 nm was synthesized by a facile atom transfer radical polymerization (ATRP) method using layered double hydroxides (LDH) as the template substrate. The as-prepared MIPs membrane was characterized by XRD, TEM, AFM, FTIR and BET measurements. This material was then applied for the selective preconcentration of Rhodamine B (RhB) in water. Benefiting from the surface-imprinting technique, a high adsorption capacity of 100.1 mg g-1 was obtained with an enrichment multiple of 27.3 times. It was interesting that the MIPs adsorption was temperature-sensitive, which was employed as a simple and environmentally friendly desorption strategy by changing the operating temperature. The applicability of the material was demonstrated by recovering RhB from real water samples. These membrane-structured MIPs are highly selective, reproductive, and can be produced on a large scale, and thus are promising adsorbents for wastewater treatment and organic resource recycling. © The Royal Society of Chemistry 2015.
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Journal of Materials Chemistry A
ISSN: 2050-7488
Year: 2015
Issue: 20
Volume: 3
Page: 10959-10968
8 . 2 6 2
JCR@2015
1 0 . 8 0 0
JCR@2023
ESI HC Threshold:335
JCR Journal Grade:1
CAS Journal Grade:1
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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