Chemical Engineering Journal 336 (2018) 263–277 Contents lists available at ScienceDirect Chemical Engineering Journal journal homepage: www.elsevier.com/locate/cej A mussel-induced method to fabricate reduced graphene oxide/halloysite nanotubes membranes for multifunctional applications in water puriﬁcation and oil/water separation Yucheng Liu , Wenwen Tu, Mingyan Chen, Lili Ma, Bing Yang, Qingling Liang, Yuanyuan Chen College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, PR China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: In this work, a reduced graphene oxide/halloysite nanotubes (RGO/HNTs) membrane was synthesized via Graphene oxide based membrane polydopamine (PDA) modiﬁcation and assembly on the surface of commercial cellulose acetate (CA) membrane Halloysite nanotubes constituting a PDA/RGO/HNT-CA membrane. The PDA/RGO/HNTs was characterized by X-ray diﬀraction Dopamine (XRD), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared (FT-IR) spectroscopy, and trans- Wastewater treatment mission electron microscopy (TEM). In addition, scanning electron microscopy (SEM) and atomic force micro- Hydrophilicity scopy (AFM) were used to detect the surface morphology structure and roughness of composite membranes, respectively. A hydrophilicity experiment demonstrated that the ﬂux of PDA/RGO/HNT membrane was dra- matically improved with an increasing HNT ratio and the retention rates of Methylene Blue (MB), Congo Red 2+ 3+ (CR), Cu , and
Chemical Engineering Journal – Elsevier
Published: Mar 15, 2018
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