2021730 · Considering the better collectability of amide-amine for quartz flotation and lower adsorption affinity for hematite surface than etheramine, the amide-amine is a promising collector to be used in reversal iron ore flotation.
view more202339 · The traditional hematite depressant starch has the disadvantages of poor solubility and high viscosity. In this study, a novel hematite depressant, pullulan, with better performance and flotation effect than starch was found. The structure, molecular weight and viscosity of pullulan were determined for its characterization. The results of flotation tests …
view more2019630 · The depression of hematite in the reverse flotation system of oleate-starch-hematite was investigated at the atomic level by atomic force microscopy (…
view moreAccording to the situation of high grade of flotation tailings in flotation process of SiJiYing Iron Mine, static-swirl micro-bubble flotation column was used in micro-fine hematite flotation tests. Tests on operation condition, reagent condition and flotation flowsheet were done. Compared with the flotation machine test, he final result was that concentrate grade was …
view moreIn this study, ultrasonic treatment was introduced to enhance the depressive performance of starch in the reverse flotation separation of fine hematite from quartz. It was found that after ultrasonic treatment, starch was not only able to impart a higher ...
view more202131 · In this paper, we report the benefits of partial replacement of amine collectors with a frother in reverse cationic flotation of hematite.
view more6 · In order to extract valuable metals from limonite, gravity separation, magnetic separation and flotation are the most widely used limonite beneficiation methods.
view more2024614 · To understand why hematite of different genesis behave diversely in flotation systems, this study assesses the flotation response at pH 5 of bulk (morphology, texture, Crystal Preferential Orientation (CPO)) plus interfacial (surface area, zeta potential, immersion enthalpy, contact angle, induction time) characteristics of species formed …
view more2017815 · Abstract Polysaccharides are some of the most widely employed flotation reagents in the mineral processing industry. Among several, starch is of particular importance for reverse flotation of iron ores. It is known to behave as an efficient depressant for hematite and, therefore, its interaction is of great relevance. In this paper, we …
view more2022520 · In these experiments, XFG-Ⅱ flotation machine was used for micro-flotation experiments (single mineral test and artificial mixed ore test). In the experiment, 2 g of the experimental samples (artificial mixed ore: 1 g of hematite and 1 g of quartz) was added to a stirring flotation tank containing 30 ml of deionized water.
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