Journal ArticleDOI
Water-Dispersible Magnetite-Reduced Graphene Oxide Composites for Arsenic Removal
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TLDR
The magnetite-graphene hybrids show a high binding capacity for As(III) and As(V), whose presence in the drinking water in wide areas of South Asia has been a huge problem.Abstract:
Magnetite−graphene hybrids have been synthesized via a chemical reaction with a magnetite particle size of ∼10 nm. The composites are superparamagnetic at room temperature and can be separated by an external magnetic field. As compared to bare magnetite particles, the hybrids show a high binding capacity for As(III) and As(V), whose presence in the drinking water in wide areas of South Asia has been a huge problem. Their high binding capacity is due to the increased adsorption sites in the M−RGO composite which occurs by reducing the aggregation of bare magnetite. Since the composites show near complete (over 99.9%) arsenic removal within 1 ppb, they are practically usable for arsenic separation from water.read more
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Slip divergence of water flow in graphene nanochannels: the role of chirality.
TL;DR: The results indicate that after this critical shear stress is reached, the flow rates are significantly influenced (up to 10%) by the particular orientation of the graphene topology, which is not size dependent.
Journal ArticleDOI
Process modeling and optimization of an iron oxide immobilized graphene oxide gadolinium nanocomposite for arsenic adsorption
Lakshmi Prasanna Lingamdinne,Jong-Soo Choi,Yu-Lim Choi,Yoon-Young Chang,Jae-Kyu Yang,Rama Rao Karri,Janardhan Reddy Koduru +6 more
TL;DR: In this paper, a nanosized ironoxide-immobilized graphene oxide-gadolinium oxide (Fe-GO-Gd) adsorbent was synthesized and applied for adsorption removal of As(V).
Journal ArticleDOI
Reliable electrochemical sensing arsenic(III) in nearly groundwater pH based on efficient adsorption and excellent electrocatalytic ability of AuNPs/CeO2-ZrO2 nanocomposite
Meng Yang,Meng Yang,Pei-Hua Li,Pei-Hua Li,Weihong Xu,Yan Wei,Lina Li,Yu-Ying Huang,Yufeng Sun,Xing Chen,Jinhuai Liu,Xing-Jiu Huang,Xing-Jiu Huang +12 more
TL;DR: In this paper, a sensing interface fabricated with AuNPs/CeO2-ZrO2 nanocomposite modified glassy carbon electrode (GCE), was employed for sensitive and accurate analysis of As(III) in the nearly groundwater pH (according to a real groundwater sample collected from Guan Di Ying Village in Togtoh County, pH ∼8.0).
Journal ArticleDOI
Efficient and Rapid Removal of Environmental Malignant Arsenic(III) and Industrial Dyes Using Reusable, Recoverable Ternary Iron Oxide - ORMOSIL - Reduced Graphene Oxide Composite
TL;DR: In this paper, an ORMOSIL-Fe3O4-RGO composite was used for dye adsorption and removal of arsenic(III) ions from water.
Journal ArticleDOI
Parametric study on the thermal performance enhancement of a thermosyphon heat pipe using covalent functionalized graphene nanofluids
Emad Sadeghinezhad,Amir Reza Akhiani,Hendrik Simon Cornelis Metselaar,Sara Tahan Latibari,Mehdi Mehrali,Mohammad Mehrali +5 more
TL;DR: In this paper, a water dispersible GNP with specific desire was synthesized by the reaction of GNP sheets with the diazonium salt (DS) of sodium 4-aminoazobenzene-4-sulfonate.
References
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