2015-Sustainable Industrial Processing Summit
SIPS 2015 Volume 11: Recycling & Environmental
| Editors: | Kongoli F, Havlik T, Pagnanelli F |
| Publisher: | Flogen Star OUTREACH |
| Publication Year: | 2015 |
| Pages: | 410 pages |
| ISBN: | 978-1-987820-34-8 |
| ISSN: | 2291-1227 (Metals and Materials Processing in a Clean Environment Series) |
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Nanowaste - Interaction of Nanoparticles with Environment
Maros Halama1;1TECHNICAL UNIVERSITY OF KOSICE, FACULTY OF METALLURGY, CORROSION CONTROL LAB, Kosice, Slovakia (Slovak Republic);
Type of Paper: Regular
Id Paper: 59
Topic: 10
Abstract:
The emerging nanotechnological products increase relevance in study of nanoparticles as part of waste. The physical and chemical properties of these emerging pollutants (EPs) are not well understood. For this reason, electrochemical measurements and quantum chemical calculations of metallic nanoparticles in simulated solutions were performed to study their redox properties, esp. focused on changes after interaction with environment. The underground water, simulated acid rain solution and Hank solution as simulated human body fluid were used for assessment of dissolution rate and corrosion properties of Fe, ZnO and Ag nanoparticles. The dramatic change of redox behaviour for nanoparticles was observed in addition of antioxidant agents into the solution. Total inhibition effect of dissolution process of ZnO anchored by vitamin C may be explained by the redox properties of organic molecule. The performed quantum-chemical calculations show that the electrons are transferred from vitamin C to nanoparticle and the radicals are suppressed. The paper in general deals with case study considering nanoparticles as part of waste.