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CREATION AND DEVELOPMENT OF QEMSCAN- ANALYSIS PROCEDURE BASED ON POLISH COPPER ORES INVESTIGATION
Abstract
The importance of mineralogical research in microscale increases with the need of advanced characterization and detailed quantitative analysis of ores and upgrading products. Automated mineralogy technique connected with advanced scanning electron microscopy like QEMSCANВ® or MLA give a possibility to obtain comprehensive information about mineral and elemental composition, particle size distribution, liberation and associations between grains and other quantitative and qualitative data for raw materials and products of mineral processing. These studies present stages of creation and development of specific mineral library dedicated to QEMSCANВ® system and estimation of measurement parameters. Presented research is based on the results of investigation of Polish copper ores from stratiform deposit. The development of measurement procedure involved taking into account electron beam voltage, number of counts per pixel, field size, point spacing and many other variables that are described in these studies in details. Another important part of the whole research was to create and develop mineral library for QEMSCANВ® - SIP (Species Identification Protocol). SIP development was based on element selection and mineral phases creation. The results obtained during our research have to help with better understanding copper ore processing results and hence technologists have the opportunity to improve the whole process and get better performance. However, the key to obtaining helpful data, is the reliability of the analysis, which was the goal of the research described in the paper.
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References4
Mikulski, S., Stein, H., Re-Os Ages for Ag-Bearing Cu Sulphide Ores from the Kupferschiefer in Poland, Proceedings of the 13th Biennial SGA Meeting, Université de Lorraine, France, pp. 607–610, 2015.
Goldstein, J., Newbury, D.E., Echlin, P., Joy, D.C., Romig Jr., A.D., Lyman, C.E., Fiori, C., Lifshin, E., Scanning Electron Microscopy and X-Ray Microanalysis, 3rd edition, Springer Science + Business Media, LLC, 2003.
Busch, B., Impact of grain coats on quartz overgrowth and Reservoir properties, KIT Scientific Publishing, Germany, 2017.
Rahfeld, A., Kleeberg, R., Möckel, R., Gutzmer, J., Quantitative mineralogical analysis of European Kupferschiefer ore, Minerals Engineering vol. 115, pp 21-32, 2018.
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Number of times cited according to Crossref: 1
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