Chemical Engineering Journal 297 (2016) 55–65 Contents lists available at ScienceDirect Chemical Engineering Journal journal homepage: www.elsevier.com/locate/cej SnO quantum dots decorated reduced graphene oxide nanocomposites for efﬁcient water remediation Dipa Dutta, Shankar Thiyagarajan, Dhirendra Bahadur Department of Metallurgical Engineering & Materials Science, Indian Institute of Technology Bombay, Mumbai, India highl i ghts graphical a bstrac t SnO QDs decorated RGO is exploited for the ﬁrst time for wastewater remediation. The composite not only removes organic dyes and toxic metal ions, but also E. coli. Excellent separation efﬁciency (94%) for MB/MO mixture, but 76% for MB/RhB. Registered maximum monolayer adsorption capacity (Q ) of 40.81 mg/g for MB. article i nfo abstract Article history: An adsorbent, SnO quantum dots (QDs) decorated reduced graphene oxide (RGO) nanocomposite, is Received 18 January 2016 used for removal of different organic dyes (methylene blue (MB), methyl orange (MO) and rhodamine Received in revised form 24 March 2016 2+ 2+ 2+ 2+ 3+ 2+ 2+ 3+ B (RhB)), toxic metal ions (Co ,Ni ,Cu ,Cd ,Cr ,Pb ,Hg and As ), and pathogenic bacteria Accepted 25 March 2016 (Escherichia coli) from wastewater. It exhibits good removal capacity and fast adsorption rate for cationic Available online
Chemical Engineering Journal – Elsevier
Published: Aug 1, 2016
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