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Corelationship between local structure and water purifying ability of iron-containing waste glasses |
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| Authors: | Shiro Kubuki Norifumi Kawakami Takamitsu Kamikawa Masayuki Fukagawa Toshiharu Nishizumi Tetsuaki Nishida Zoltán Homonnay Ernő Kuzmann |
| Affiliation: | 1. Department of Chemical and Biological Engineering, Ube National College of Technology, Tokiwadai 2-14-1, Ube, 755-8555, Japan 2. Department of Biological and Environmental Chemistry, School of Humanity-Oriented Science and Engineering, Kinki University, Kayanomori 11-6, Iizuka, 820-8555, Japan 3. Department of Nuclear Chemistry, E?tv?s Loránd University, Pázmány sétány, 1/A 1117, Budapest, Hungary 4. Research Group for Nuclear Methods in Structural Chemistry, Hungarian Academy of Science, P.O. Box 32, Budapest, 1518, Hungary |
| Abstract: | A relationship between the structure and water purifying ability of waste glass prepared from household garbage and Fe2O3 was examined by 57Fe-Mössbauer and induced coupled plasma (ICP) measurements. From the Debye temperature of waste glass, FeII proved to be loosely bound in the glass network as a network modifier. Dissolution amount of FeIII into artificial drain can be controlled from 0.14 to 0.35 mg/l by changing the Fe2O3 content. It proved that chemical oxygen demand (COD) decreases in proportion to the content of FeIII, indicating that iron causes decomposition of organic and phosphorus compounds. |
| Keywords: | 57Fe-M?ssbauer spectra Debye temperature iron-containing silicate glass chemical oxygen demand (COD) |
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