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Porous nanocomposite membranes based on functional GO with selective function for adsorption lithium

Abstract

An inorganic-organic composite membranes based on functional GO nanosheet for selective adsorption lithium from compound was great potential. Here, a simple and efficient methodology was reported to obtain high stability, selectivity, and antifouling property. More important, we investigated the selective adsorption amount for lithium from high magnesium and low lithium. The resulting displayed both excellent adsorption amount of lithium and high selective adsorption efficiency of the fabricated membranes from the compound. The fabricated membranes presented relatively lower contact angle (67.226°) and higher membrane flux value (13.62 mL cm-2 min-1),which indicated the fabricated membrane with high hydrophilicity that due to the presence of carboxylic and hydroxyl of GO could enhance the interaction between membranes and water. Moreover, the results on perm-selectivity (β values are more than 7) and regeneration ability (still maintained 90.9% of the maximum adsorption capacity after 10 cycling operation) were shown. Overall results suggested that functional GO can be considered as an effective additive for inorganic-organic composite membranes in the selective adsorption of lithium. It is worth mentioning that this methodology applied to selectively recognize and adsorb lithium, which was environmentally friendly without secondary pollution.

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Publication details

The article was received on 05 Dec 2017, accepted on 08 Feb 2018 and first published on 08 Feb 2018


Article type: Paper
DOI: 10.1039/C7NJ04733A
Citation: New J. Chem., 2018, Accepted Manuscript
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    Porous nanocomposite membranes based on functional GO with selective function for adsorption lithium

    D. Sun, M. Meng, Y. Lu, B. Hu, Y. Yan and C. Li, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C7NJ04733A

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