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Nanomaterials 2019, 9(3), 386; https://doi.org/10.3390/nano9030386

A Novel Nanocomposite Membrane Combining BN Nanosheets and GO for Effective Removal of Antibiotic in Water

1,*,†
,
1,†
,
1
,
2
,
1,*
and
1,*
1
School of Chemistry and Material Science, Jiangsu Normal University, Xuzhou 221116, China
2
Key Laboratory of Gas and Fire Control for Coal Mines (Ministry of education), China University of Mining and Technology, Xuzhou 221116, China
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Received: 27 January 2019 / Revised: 25 February 2019 / Accepted: 3 March 2019 / Published: 6 March 2019
(This article belongs to the Special Issue Sustainable and Safe Nano-Enabled Water Treatment Applications)
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Abstract

Residual antibiotics in water have become a primary source of water pollution due to their misuse. Recently, membranes, produced by layered nanomaterials such as graphene oxide (GO), boron nitride (BN) and transition metal dichalcogenides, have been used in water purification, desalination and molecule separation as they are energy saving and simple to operate. The performance of membranes is closely related to their structure and the properties of the nanomaterials used. In this work, BN nanosheets (BNNSs) and GO were used to fabricate a two-dimensional nanocomposite membrane in order to improve the membrane’s permeance. It should be mentioned that the corresponding equal mass of the pure GO membrane was almost impermeable for the antibiotic solution. Multi-walled carbon nanotubes (MWCNTs) were inserted into the GO layers to increase the interlayer spacing and adsorb more antibiotics from the water. The resultant MWCNTs/BNNSs/GO membranes showed improved permeance and stable sieving capability for the antibiotic and small species. Specifically, permeance reached 30.2 L m−2 h−1 bar−1, which was much higher than pure GO membrane and the antibiotic rejection was 96.1%. View Full-Text
Keywords: graphene oxide; boron nitride nanosheets; high permeance and selectivity; filtration membrane graphene oxide; boron nitride nanosheets; high permeance and selectivity; filtration membrane
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Yang, G.; Zhang, D.; Wang, C.; Liu, H.; Qu, L.; Li, H. A Novel Nanocomposite Membrane Combining BN Nanosheets and GO for Effective Removal of Antibiotic in Water. Nanomaterials 2019, 9, 386.

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