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Byung-Moon Jun, Yejin Kim, Jonghun Han, Yeomin Yoon, Jeonggwan Kim and Chang Min Park
For this study, we applied activated biochar (AB) and its composition with magnetite (AB-Fe3O4) as adsorbents for the removal of polychlorophenols in model wastewater. We comprehensively characterized these adsorbents and performed adsorption tests under...
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H. Ardiyanti, D. Puspitarum, O. F. Maryana, W. A. Pujakesuma
Pág. 197 - 200
This article reports the results synthesis of composite Fe3O4/SiO2 and nanoparticles from natural resources (sugarcane bagasse). The synthesis of Fe3O4 and SiO2 nanoparticles used co-precipitation and sol-gel methods with SiO2 from sugarcane bagasse as a...
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Carlos Mota-Heredia, Jaime Cuevas and Raúl Fernández
Carbon steel and bentonite are materials selected as engineered barriers for high-level radioactive waste confinement. Their long-term interaction must be evaluated to confirm the barrier?s stability. Three laboratory experiments of the carbon steel?Mg-b...
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Jieying Liu and Zhigao Bi
Anaerobic digestion is a promising technology for treating and disposing of oily sludge, but the presence of oil in the sludge reduces methane production and sludge volume reduction. To overcome this limitation, this study creatively reports the use of m...
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Hebatullah H. Farghal, Marianne Nebsen and Mayyada M. H. El-Sayed
In this work, we develop chitosan/xylan-coated magnetite (CsXM) nanoparticles as eco-friendly efficient adsorbents for the facile removal of contaminants from water. Characterization of CsXM using Fourier Transform Infra-Red (FTIR) Spectroscopy, Scanning...
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Jiancong Liu, Manhong Ji, Jiabao Qin, Jia Zhu and Suiyi Zhu
Waste oil scum is commonly discharged during the air flotation process at oil-bearing wastewater treatment plants and disposed as an additive in cement kilns and/or furnaces. Herein, it was mixed with a magnetite-rich waste sludge and then completely rec...
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David Polanía Melo, Andrés Hernández Bravo, Juan C. Cruz and Luis H. Reyes
This study investigated the effectiveness of immobilizing Saccharomyces cerevisiae invertase (SInv) on magnetite nanoparticles to produce fructooligosaccharides (FOSs). Based on the existing literature and accompanied by parameter estimation, a modified ...
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Lucia López-Toyos, Elena Rodríguez, Roberto García, Maria Rosa Martínez-Tarazona and Maria Antonia López-Antón
Selenium pollution in water is a worldwide issue. Se(IV) and Se(VI) are mainly found in contaminated water due to their high solubility and mobility; their presence poses a serious risk as they can severely harm human health. Although iron oxide and hydr...
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Serena D?Arcangelo, Fátima Martín-Hernández and Josep M. Parés
The cave system in the Sierra de Atapuerca holds one of the most important archaeological sites for the understanding of early human occupation in Europe. Among the different cavities and galleries, the Gran Dolina cave yielded a new hominin species coin...
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Abdallah Atef, Adel A. Surour, Ahmed A. Madani and Mokhles K. Azer
Since Antiquity, sustainable resources of gold and copper have been mined at two prominent prospects in the north Eastern Desert of Egypt, namely the south Gabel Um Monqul (SGUM) and Gabal Al Kharaza (GKZ). Mineralization is hosted by Neoproterozoic shie...
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