2020
DOI: 10.1590/0370-44672020730004
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Abstract: Reconciliation plays a key role in controlling and analysing mine operations. It consists in comparing model estimates with actual results produced by the plant, being used as an indicator, a monitoring tool. Discrepancies between these values are common in the mining industry and they highlight problems during processing steps. However, these discrepancies do not necessarily need to be brought to zero, as long as their order of magnitude is understood. Prognostication, a new concept that seeks to replace reac… Show more

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“…Data from Table 1 and 2 will serve to better understand the concentrations of the lanthanides, scandium and yttrium in the Bayer cycle of aluminum hydroxide production. Sampling and analyses of each element of interest were done in accordance with European standards [74][75][76][77]. The table 1 and 2 are disclosing the complex ranges of phases in both types of bauxite, as raw materials and in bauxite residues involved in the Bayer processing of Sierra Leone bauxite.…”
Section: Experimental Part Materialsmentioning
confidence: 99%
“…Data from Table 1 and 2 will serve to better understand the concentrations of the lanthanides, scandium and yttrium in the Bayer cycle of aluminum hydroxide production. Sampling and analyses of each element of interest were done in accordance with European standards [74][75][76][77]. The table 1 and 2 are disclosing the complex ranges of phases in both types of bauxite, as raw materials and in bauxite residues involved in the Bayer processing of Sierra Leone bauxite.…”
Section: Experimental Part Materialsmentioning
confidence: 99%