Heavy Mineral Sands Mining and Downstream Processing: Value of Mineralogical Monitoring Using XRD
Heavy mineral sands are the source of various commodities such as white titanium dioxide pigment and titanium metal. The three case studies in this paper show the value of X-ray diffraction (XRD) and statistical methods such as data clustering for process optimization and quality control during heav...
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oai:doaj.org-article:fbe7a2a867f249868790ae0e1edddcd52021-11-25T18:26:37ZHeavy Mineral Sands Mining and Downstream Processing: Value of Mineralogical Monitoring Using XRD10.3390/min111112532075-163Xhttps://doaj.org/article/fbe7a2a867f249868790ae0e1edddcd52021-11-01T00:00:00Zhttps://www.mdpi.com/2075-163X/11/11/1253https://doaj.org/toc/2075-163XHeavy mineral sands are the source of various commodities such as white titanium dioxide pigment and titanium metal. The three case studies in this paper show the value of X-ray diffraction (XRD) and statistical methods such as data clustering for process optimization and quality control during heavy mineral processing. The potential of XRD as an automatable, reliable tool, useful in the characterization of heavy mineral concentrates, product streams and titania slag is demonstrated. The recent development of ultra-high-speed X-ray detectors and automated quantification allows for ‘on the fly’ quantitative X-ray diffraction analysis and truly interactive process control, especially in the sector of heavy mineral concentration and processing. Apart from the information about the composition of a raw ore, heavy mineral concentrate and the various product streams or titania slag, this paper provides useful information by the quantitative determination of the crystalline phases and the amorphous content. The analysis of the phases can help to optimize the concentration of ores and reduction of ilmenite concentrate. Traditionally, quality control of heavy mineral concentrates and titania slag relies mainly on elemental, chemical, gravimetrical, and magnetic analysis. Since the efficiency of concentration of minerals in the different product streams and reduction depends on the content of the different minerals, and for the latter on the titanium and iron phases such as ilmenite FeTiO<sub>3</sub>, rutile TiO<sub>2</sub>, anatase TiO<sub>2,</sub> or the various titanium oxides with different oxidation stages, fast and direct analysis of the phases is required.Uwe KönigSabine M. C. VerrynMDPI AGarticleheavy mineralsilmenitetitania slagXRDcluster analysisrietveldMineralogyQE351-399.2ENMinerals, Vol 11, Iss 1253, p 1253 (2021) |
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heavy minerals ilmenite titania slag XRD cluster analysis rietveld Mineralogy QE351-399.2 |
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heavy minerals ilmenite titania slag XRD cluster analysis rietveld Mineralogy QE351-399.2 Uwe König Sabine M. C. Verryn Heavy Mineral Sands Mining and Downstream Processing: Value of Mineralogical Monitoring Using XRD |
description |
Heavy mineral sands are the source of various commodities such as white titanium dioxide pigment and titanium metal. The three case studies in this paper show the value of X-ray diffraction (XRD) and statistical methods such as data clustering for process optimization and quality control during heavy mineral processing. The potential of XRD as an automatable, reliable tool, useful in the characterization of heavy mineral concentrates, product streams and titania slag is demonstrated. The recent development of ultra-high-speed X-ray detectors and automated quantification allows for ‘on the fly’ quantitative X-ray diffraction analysis and truly interactive process control, especially in the sector of heavy mineral concentration and processing. Apart from the information about the composition of a raw ore, heavy mineral concentrate and the various product streams or titania slag, this paper provides useful information by the quantitative determination of the crystalline phases and the amorphous content. The analysis of the phases can help to optimize the concentration of ores and reduction of ilmenite concentrate. Traditionally, quality control of heavy mineral concentrates and titania slag relies mainly on elemental, chemical, gravimetrical, and magnetic analysis. Since the efficiency of concentration of minerals in the different product streams and reduction depends on the content of the different minerals, and for the latter on the titanium and iron phases such as ilmenite FeTiO<sub>3</sub>, rutile TiO<sub>2</sub>, anatase TiO<sub>2,</sub> or the various titanium oxides with different oxidation stages, fast and direct analysis of the phases is required. |
format |
article |
author |
Uwe König Sabine M. C. Verryn |
author_facet |
Uwe König Sabine M. C. Verryn |
author_sort |
Uwe König |
title |
Heavy Mineral Sands Mining and Downstream Processing: Value of Mineralogical Monitoring Using XRD |
title_short |
Heavy Mineral Sands Mining and Downstream Processing: Value of Mineralogical Monitoring Using XRD |
title_full |
Heavy Mineral Sands Mining and Downstream Processing: Value of Mineralogical Monitoring Using XRD |
title_fullStr |
Heavy Mineral Sands Mining and Downstream Processing: Value of Mineralogical Monitoring Using XRD |
title_full_unstemmed |
Heavy Mineral Sands Mining and Downstream Processing: Value of Mineralogical Monitoring Using XRD |
title_sort |
heavy mineral sands mining and downstream processing: value of mineralogical monitoring using xrd |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/fbe7a2a867f249868790ae0e1edddcd5 |
work_keys_str_mv |
AT uwekonig heavymineralsandsmininganddownstreamprocessingvalueofmineralogicalmonitoringusingxrd AT sabinemcverryn heavymineralsandsmininganddownstreamprocessingvalueofmineralogicalmonitoringusingxrd |
_version_ |
1718411174279643136 |