Three-dimensional macroporous wood-based selective separation membranes decorated with well-designed Nd(III)-imprinted domains: A high-efficiency recovery system for rare earth element.

Journal of Colloid and Interface Science
Yilin WuJianming Pan

Abstract

Three-dimensional (3D) basswood materials, for the first time, were successfully used for the construction of rare-earth Nd(III)-imprinted nanocomposite membranes. Herein, polydopamine (PDA)-modified layers could be initially synthesized on basswood surfaces. After the double-bonded modification procedure, the 3D wood-based ionic imprinted membranes (3DW-IIMs) system was finally accomplished by developing a re-modified two-step-temperature free radical polymerization process. The as-design PDA@basswood surface structure was first proposed and applied as imprinting-initiated factors for the preparation of Nd(III)-imprinted sites. Importantly, excellent rebinding capacity (120.87 mg g-1), adsorption kinetics and permselectivity coefficients (more than 10) were achieved successfully. Furthermore, an important research result had also been found that the PDA-modified layers caused significant promotions to the rebinding capacities of the as-prepared 3DW-IIMs, that is to say, more and more Nd(III)-imprinted sites could be synthesized because of the PDA-modified surfaces. The as-obtained selective rebinding and separation results together with the green natural wood-based materials strongly demonstrated that our synthesis methodology...Continue Reading

References

Oct 20, 2007·Science·Haeshin LeePhillip B Messersmith
May 29, 2010·Journal of the American Chemical Society·Yonghui DengDongyuan Zhao
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May 5, 2008·Advanced Materials·Haeshin LeePhillip B Messersmith
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Mar 1, 2014·Environmental Science & Technology·Benjamin SprecherGert Jan Kramer
Apr 11, 2017·Chemical Reviews·Jiamei YuPerla B Balbuena

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Citations

Aug 11, 2021·Polymers·Roberta Del SoleLucia Mergola

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