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2021-2-20 · Liu [ 14] studied the performance of styrene phosphonic acid (SPA) on the flotation of fine columbite-tantalite ores having complex composition. The results of this work revealed that the process consumed 1.0–1.3 kg/ton of SPA, and the ratio of the concentration of columbite-tantalite was 20–22 with a recovery of 80–85 %
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Flotation concentration of a xenotime pre-concentrate ... However, geological studies identified several other minerals of potential economical importance, such as: columbite-tantalite, zircon, cryolite and xenotime, the objective of the present investigation. ... Presented at Complex Ores '97, Bulawayo, Zimbabwe, March 1997. View full text
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The concentration processes may be carried out by wet gravity, magnetic or electrostatic methods or by flotation to produce concentrates containing up to 70% combined Ta2O5 and Nb2O5 to meet extraction requirements. However, the universally employed method for the concentration of tantalite ores is gravity separation – the separation of two
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2016-8-29 · in the ores ranged from a minimum concentration of about 8% in Otu to about 60% in the Egbe deposits, while the Nb 2
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2021-2-8 · The purpose of this investigation was to determine the flotation characteristics of important columbium / tantalum ore minerals as a guide for the practical concentration of low-grade columbium ores.flotation characteristics of important columbium / tantalum ore minerals as a guide for the practical concentration of low-grade columbium ores
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2018-6-15 · Jan 15, 2021Fig. 1 presents the flotation recoveries of columbite-tantalite with respect to collector concentration under various collector suites. For all the collector suites, the recoveries of columbite-tantalite are sharply increased with increases in initial collector concentrations below 100 mg/L; beyond this value, increases are slighter
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(2) flotation method flotation and gravity separation often combine to sorting tantalum niobium mineral mud, in order to reduce the loss of tantalum niobium ore in the mud and improve tantalum niobium concentrate grade. Before flotation process usually use small diameter cyclone or
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Molybdenite, MOS2, is the chief source of molybdenum and is universally recovered by froth flotation. Though molybdic porphyry ores are readily amenable to benefication, recovering molybdenite
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2020-12-1 · Apart from that, Table 2 outlines the major deposits of Ta and Nb ores, as well as the corresponding companies exploiting them. The Ta Nb ores are often concentrated through wet gravity techniques, magnetic separation and flotation. Generally, the concentrate from the pyrochlore flotation is used as ferroniobium feedstock. For this purpose, the concentrate is mixed with iron oxide and
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Distinguish between ores beneficiation and concentration Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Distinguish between ores beneficiation and concentration, quarry, aggregate, and different kinds of minerals
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