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Mercury removal in wastewater by iron oxide nanoparticles

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Date
2016
Author
Vélez E.
Campillo G.E.
Morales G.
Hincapié C.
Osorio J.
Arnache O.
Uribe J.I.
Jaramillo F.
Universidad de Medellín, Colombia
Universidad de Antioquia, Medellín, Colombia
TY - GEN T1 - Mercury removal in wastewater by iron oxide nanoparticles AU - Vélez E. AU - Campillo G.E. AU - Morales G. AU - Hincapié C. AU - Osorio J. AU - Arnache O. AU - Uribe J.I. AU - Jaramillo F. Y1 - 2016 UR - http://hdl.handle.net/11407/2481 PB - Institute of Physics Publishing AB - ER - @misc{11407_2481, author = {Vélez E. and Campillo G.E. and Morales G. and Hincapié C. and Osorio J. and Arnache O. and Uribe J.I. and Jaramillo F.}, title = {Mercury removal in wastewater by iron oxide nanoparticles}, year = {2016}, abstract = {}, url = {http://hdl.handle.net/11407/2481} }RT Generic T1 Mercury removal in wastewater by iron oxide nanoparticles A1 Vélez E. A1 Campillo G.E. A1 Morales G. A1 Hincapié C. A1 Osorio J. A1 Arnache O. A1 Uribe J.I. A1 Jaramillo F. YR 2016 LK http://hdl.handle.net/11407/2481 PB Institute of Physics Publishing AB OL Spanish (121)
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Abstract
Mercury is one of the persistent pollutants in wastewater; it is becoming a severe environmental and public health problem, this is why nowadays its removal is an obligation. Iron oxide nanoparticles are receiving much attention due to their properties, such as: great biocompatibility, ease of separation, high relation of surface-area to volume, surface modifiability, reusability, excellent magnetic properties and relative low cost. In this experiment, Fe3O4 and γ-Fe2O3 nanoparticles were synthesized using iron salts and NaOH as precipitation agents, and Aloe Vera as stabilizing agent; then these nanoparticles were characterized by three different measurements: first, using a Zetasizer Nano ZS for their size estimation, secondly UV-visible spectroscopy which showed the existence of resonance of plasmon at λmax∼360 nm, and lastly by Scanning Electron Microscopy (SEM) to determine nanoparticles form. The results of this characterization showed that the obtained Iron oxides nanoparticles have a narrow size distribution (∼100nm). Mercury removal of 70% approximately was confirmed by atomic absorption spectroscopy measurements.
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http://hdl.handle.net/11407/2481
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