Comparative study on biotic system and abiotic system of marmatite at high cupric ions concentration
| Autor: | Fashang Chen, Xiaoyu Meng, Lele Lv, Liu Lixin, Hongbo Zhao, Wenqing Liu, Xin Lv, Qinglei Jia, Ziliang Liu, Weirong Wu, Yansheng Zhang |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
lcsh:TN1-997
Materials science Inorganic chemistry 02 engineering and technology Electrochemistry 01 natural sciences Ion Biomaterials X-ray photoelectron spectroscopy 0103 physical sciences Barrier film Surface oxidation Biotic system Cupric ions lcsh:Mining engineering. Metallurgy 010302 applied physics Abiotic component Marmatite fungi Metals and Alloys technology industry and agriculture 021001 nanoscience & nanotechnology Surfaces Coatings and Films Ceramics and Composites Barrier effect Leaching (metallurgy) 0210 nano-technology |
| Zdroj: | Journal of Materials Research and Technology, Vol 9, Iss 6, Pp 14887-14894 (2020) |
| ISSN: | 2238-7854 |
| Popis: | This work investigated the behavior and mechanism of Cu2+ in marmatite biotic system and abiotic system. The leaching experiments show that the high cupric ions concentration (5 g/L) had obvious isolation both in biotic system and abiotic system in the early stage, the barrier effect gradually disappeared in biotic system. X-ray photoelectron spectroscopy and electrochemical methods indicate that isolation substances were formed on marmatite surface in the presence of high cupric ions concentration (5 g/L), which may be CuxSy. However, the isolation substances were eliminated in biotic system. Meanwhile, polysulfides and other substances were produced. The effect of these newly generated substances by bacteria on the surface oxidation of the marmatite remains to be explored. |
| Databáze: | OpenAIRE |
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