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201832 · The flotation separation of scheelite from calcite using sodium humate (SH) as a potential depressant has been studied through micro-flotation experiments, zeta potential and Fourier transform infrared (FT-IR) spectra measurements. The flotation results indicate SH exhibited selective depression effect on calcite in the presence of sodium …
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The hydroxamic acid reagents are extremely pervasive in the collector of scheelite flotation. The high flotation cost is caused by its large dosage and high price. A novel auxiliary collector 4-methodybenzoicacid (4-MBA) was used in combination with benzohydroxamic acid (BHA) to optimize the flotation reagents system for scheelite in the study.
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202411 · This study investigates a technique utilising deep learning machine vision and optical microscopy for in-pulp characterisation of mineralogy and particle size distribution for multiple minerals in a copper ore pulp.
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20171210 · Abstract Flotation separation of scheelite from calcite is difficult due to the similarities in their surface properties. In this work, the flotation behavior of scheelite and calcite using oxidized paraffin soap (OPS), benzohydroxamic acid (BHA) and the mixed OPS/BHA collectors was investigated through micro-flotation experiments.
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202323 · In this study, in light of the poor selectivity of single copper ions (Cu 2+) and poor inhibition ability of citric acid (CA), the flotation separation effect of mixed depressant Cu 2+ /CA on scheelite and calcite was explored. The microflotation experiment showed that the mixed depressant had better separation effects on the two minerals than the single …
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2024126 · The flotation separation of Cu-Fe sulfide minerals at low alkalinity can be achieved using selective depressants. In the flotation system of Cu-Fe sulfide minerals, depressants usually preferentially interact with the pyrite surface to render the mineral surface hydrophilic and hinder the adsorption of the collector. This review summarizes the …
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202361 · Abstract In this paper, using methyl cinnamate as raw material, the new cinnamic hydroxamic acid collector (CIHA) was synthesized by the hydroxylamine method. The collector performance of hydroxamic acid was investigated for scheelite and gangue calcite, and the flotation separation test of scheelite and calcite was carried out with CIHA …
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201821 · This paper presents the results of an investigation into the influence of hydrodynamics on a preflotation process for the copper sulfide ore from the Fore-Sudetic Monocline deposits in Poland in a flotation machine. The main aim of the preflotation stage for Polish copper ore is to remove the easy-to-float organic matter — organic carbon — …
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202471 · Underground mining can be more complex and expensive than open-pit mining but is necessary for extracting scheelite from deeper deposits. c. Flotation: Flotation is a common method used for the concentration of scheelite ore. It involves the use of chemicals to selectively separate scheelite from other minerals and impurities.
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2019720 · In this study, the flotation behaviors of PA and the behaviour of NaOl at the CaWO 4 /water interface and CaF 2 /water interfaces and PA’s effect on flotation performance are examined. The aim of this work is to determine the effect of PA on the interaction of scheelite with fluorite.
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