Development of MoS2/O-MWCNTs/PES blended membrane for efficient removal of dyes, antibiotic, and protein

被引:153
作者
Arefi-Oskoui, Samira [2 ]
Khataee, Alireza [2 ,3 ,4 ]
Behrouz, Samira Jabbarvand [2 ]
Vatanpour, Vahid [5 ]
Gharamaleki, Samira Haddadi [2 ]
Orooji, Yasin [1 ]
Safarpour, Mahdie [6 ]
机构
[1] Zhejiang Normal Univ, Coll Geog & Environm Sci, Jinhua 321004, Zhejiang, Peoples R China
[2] Univ Tabriz, Fac Chem, Dept Appl Chem, Res Lab Adv Water & Wastewater Treatment Proc, Tabriz 5166616471, Iran
[3] Gebze Tech Univ, Dept Environm Engn, TR-41400 Gebze, Turkey
[4] South Ural State Univ, Dept Mat Sci & Phys Chem Mat, Chelyabinsk 454080, Russia
[5] Kharazmi Univ, Fac Chem, Dept Appl Chem, Tehran 1571914911, Iran
[6] Azarbaijan Shahid Madani Univ, Fac Basic Sci, Dept Chem, Tabriz 83714161, Iran
关键词
Blended membranes; Oxidized multi-walled carbon nanotubes; Molybdenum disulfide nanosheets; Reactive dyes separation; Antibiotic removal; NANOFILTRATION MEMBRANE; COMPOSITE MEMBRANES; MOS2; NANOSHEETS; CARBON NANOTUBE; HYDROTHERMAL SYNTHESIS; SEPARATION; FABRICATION; MECHANISM; PERFORMANCE; HYBRIDS;
D O I
10.1016/j.seppur.2021.119822
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
In this work, a nanocomposite of MoS2 nanosheets and oxidized multi-walled carbon nanotubes (O-MWCNTs) was prepared using the hydrothermal method. The successful synthesis of the MoS2/O-MWCNTs nanocomposite was further confirmed using a scanning electron microscope (SEM), energy dispersive X-Ray dot mapping, and X-ray diffraction analysis. The synthesized nanocomposite was used as a nanoadditive for the improvement of polyethersulfone (PES) polymeric membrane. The phase inversion route was used to prepare MoS2/O-MWCNTs blended membranes containing different amounts of nanocomposite (0-1 wt%). The morphology of the prepared membranes was studied using SEM and atomic force microscopy techniques. Asymmetric structure with small pores at the top layer and well-developed large finger-like pores and macro voids at the sublayer can be observed in fabricated membranes. The hydrophilicity enhancement of the PES membrane in the existence of nanocomposite was verified by the contact angle test. The modified membrane containing 0.75 wt% of MoS2/O-MWCNTs exhibited improved permeability of 64.1 L/m(2) h bar, and high pollutants removal of 93.5% for reactive blue 19, 97.5% for rifampicin, 98.4% for reactive red 195, and 99% for bovine serum albumin, with enhanced flux recovery ratio of 60.8%. Moreover, the stability of the blended membrane in the long-time operation makes it a promising candidate to be applied in the treatment of textile and industrial wastewaters.
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页数:14
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