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May 01, 2020#0183;#32;Flotation results indicated that both cassiterite and fluorite had good floatability with SPA, and Cu(II) exhibited strong and selective inhibition effect on fluorite. For the artificial mixture which contained % SnO 2, a concentrate with a grade of % SnO 2 and a recovery of % was obtained at pH with 100 mg/L SPA and 5 #215; 10 4 mol/L Cu(II).
Jan 01, 2020#0183;#32;Separation of these calciumcontaining minerals from each other by means of flotation remains a problem, especially for separating scheelite from calcite and fluorite with fatty acid reagents. Because the adsorption mechanism of these collectors occurs through chemisorption of the oleate ion onto the mineral surface ( Changgen and Yongxin, 1983, Hi#231;y#236;lmaz, 1993, Hu et al., 2011, Atademir
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Dec 01, 2020#0183;#32;The flotation separation of fluorite from calcite is realized when the adsorption amount on calcite surface is higher than that on fluorite surface (Tian et al., 2019a). Nevertheless, the depressive effect is greatly affected by the pH value ( Tian et al., 2019a ), with the excellent selective depressive effect only achieved in the pH range of
The calcite floatability increases with R i at pH 8 (R = ) and pH 10 (R = ), indicating that the calcite, which dissolves quicker, exhibits higher flotation performance. Floatability also enhances as Ca 2+ MAX increases at pH 8 (R = ) and pH 10 (R = ), suggesting that the higher the maximum amount of Ca 2+ ions dissolved at the steady state, the higher the floatability.
Effects of the calcite on quartz flotation using the reagent scheme of starch/dodecylamine. In this paper, the particle interaction between the fine fluorite and quartz (all less than 10 m
Dec 20, 2019#0183;#32;The flotation recovery of quartz largely reduced with the addition of fine calcite particles under the starch/DDA reagent scheme. The zeta potential results illustrated that there is an electrosteric attraction between quartz and calcite slimes, leading to the coating of calcite on quartz
In the mineral deposit, fluorite is usually associated with gangue minerals as calcite, quartz, barite, dolomite and a low grade of metallic oxides . The beneficiation process must remove the gangue mineral so that the concentrate meets the product specifications.
Apr 24, 2019#0183;#32; Quartz type fluorite ore. The separation of quartz and fluorite achieved by grinding, it is an important factor affecting the flotation of quartztype fluorite. The ground ore of a coarse size indicates that may have many associated fluorite ore lumps, these lumps may increase the silica content, decrease the flotation effect.
Jul 20, 2020#0183;#32;Anionic flotation is the most efficient method to separate fluorite from barite in mineral processing while the critical point of successful separation lies on the depressant. A cheap and ecofriendly depressant, corn starch, has been gelatinized and introduced in this study. Microflotation experiments showed that the fluorite and barite presented nonselectivity in flotation with the
It is difficult to separate them with flotation. In thesis, we will sketch the processing technology of separating fluorite mineral with calcite, barite, quartz, and sulfide minerals. I. The flotation separation of fluorite mineral and calcite. Calcite and fluorite mineral can both be collected by fatty acid collectors and are both calcium
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