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) from indigenous antimony ore. The developed process includes oxidative chlorination leaching of stibnite (Sb 2 S 3) concentrate assaying 64.86% Sb prepared from indigenous low-grade ore containing 20.16% Sb using ferric chloride (FeCl 3) solution in
1/6/2019 The stibnite ore was provided by Twinkling Star Co., Ltd., Hunan Province, PRC. Table 1 summarizes the elemental analysis data of the stibnite ore, which were obtained using chemical titration and X-ray fluorescence (XRF). Fig. 1 illustrates the XRD pattern and SEM images of the stibnite ore.
leaching agents can be used to solubilise Sb from stibnite ores (Sb2S3): mixture of hydrochloric and tartaric acids, mixture of nitric and tartaric acid and hot concentrated sulphuric acid (Havlik et al., 1991; Ubaldini et al., 2000b). Stibnite can be leached by2S and
Different leaching agents can be used for treatment of stibnite ŽSb 2 S 3 . ore: mixture of hydro- Generally, extraction and recovery of antimony chloric and The development of alter-
Stibnite ore at Wadi Abu Quraiya, situated in the central Eastern Desert of Egypt has been subjected to petrographical, mineralogical, infrared, X-ray diffraction, chemical and spectral analyses.
Concentration of leaching solution at the reaction interface and the interface area are determining the rate of chemical reaction. A study of kinetics of leaching natural stibnite by using sodium hydroxide solution requires an experimental determination of variation
The rate of oxidation of stibnite is strongly dependent on pH with appreciable dissolution at pH 12, reducing to low levels at pH 10. Figure 52.1 shows Hedley and Tabachnick's (1958) results of the cyanidation of a synthetic ore containing 0.25% stibnite at pH values of 10, 11, and 12.
Selective dissolution of stibnite from a complex sulfidic antimony ore containing pyrite by ozonation leaching in hydrochloric acid solution has been studied in the paper.
added to reactivate the stibnite, and an antimony product was floated using a higher xanthate and an alcohol frother. Each concentrate was cleaned once. Applying this method to ore ground to approximately 80-mesh, 96.0 percent of the mercury in the ore was
International Journal of Environmental Research and Public Health Article The Impact of Physical Properties on the Leaching of Potentially Toxic Elements from Antimony Ore Processing Wastes Saijun Zhou 1,* and Andrew Hursthouse 2,3 1 College of Civil Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
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