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Meeting MS&T22: Materials Science & Technology
Symposium Nanotechnology for Energy, Environment, Electronics, Healthcare and Industry
Presentation Title Manganese Removal from Aqueous Effluents Using Manganese Dioxide as Nanoadsorbent
Author(s) Orfelinda Avalo Cortez, Melina Guadalupe Paccini Ramos, Miguel Jaime Martínez Coronel
On-Site Speaker (Planned) Miguel Jaime Martínez Coronel
Abstract Scope This research work analyzed the use of Manganese dioxide nanoparticles for the removal of manganese present in aqueous effluents. In this Research Project, nanoparticles of MnO2-α present in the industrial anode residue from the zinc electrolysis process were used as nanoadsorbent to remove manganese ions present in industrial aqueous effluents and in a synthetic effluent. The MnO2-α nanoparticles were characterized by X-ray Diffraction, XRD and by Scanning Electron Microscopy, SEM, the results of which showed that the crystallite sizes were in the order of 15nm and that they had a rod-shaped morphology. According to the results obtained, it was determined that the highest efficiency to remove manganese ions from industrial aqueous effluents was achieved using 0.08 g of MnO2-α of anodic residue in 20mL of aqueous effluent, pH = 6.45, time of 60 min and a stirring speed of 800RPM, reaching a manganese removal of 86.88%.
Proceedings Inclusion? Planned: At-meeting proceedings


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