A review of pretreatment of diasporic bauxite ores by flotation
2017121;The major method of bauxite beneficiation is the Bayer process, which is leaching at 100 °C to 250 °C by a caustic soda solution (sodium hydroxide) followed by solid
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Effect and mechanism of quaternary ammonium salt ionic liquid as
515;As an important collector of sulfide ore, xanthate is also widely used in the desulfurization flotation of high-sulfur bauxite (Ma et al., 2017). Amine and xanthate collectors
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A review of pretreatment of diasporic bauxite ores by flotation
2017121;Therefore, diasporic bauxite ores (Al/Si < 6) have to be upgraded by pretreatment methods to meet the required quality for the Bayer process. Flotation separation
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Treatment of backwater in bauxite flotation plant and optimization by
201941;The bauxite flotation plants in China, most of which were built and put into production after 2009, retained good flotation indexes by discharging the backwater out of the
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Advances in Beneficiation of Low-Grade Bauxite
2019216;Froth flotation is reported to be the effective process in increasing the Al :Si ratio of low grade bauxite [14,15,16,17,18,19,20,21]. Anionic collectors are considered to be best
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Cooperative effects of quaternary ammonium salt collectors and
202511;The reverse flotation desilication method of bauxite refers to the flotation process in which gangue minerals such as kaolinite are floated to inhibit the target minerals containing
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Interactions between bubble and particles of key minerals of
11;The actual flotation is a dynamic process in which the conditions are much more complicated than the static factors examined in this article as the fact that they should also
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(PDF) Bauxite Residue Flotation as an Alternative for
1010;Bauxite residue (BR) is a byproduct of the alumina production by Bayer process. BR generated from gibbsitic bauxite usually presents iron as major element associated with hematite and...
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Synchronous Desulfurization and Desilication of Low-Grade and
201911;The Bayer process is a conventional method for refining bauxite in the production of alumina. The Al/Si ratio in bauxite before feeding to the process must be enriched to more
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Experimental Investigation on Desiliconization of Low-Grade Bauxite
22;Low-grade bauxite resources are abundant in China. However, the high content of silica can not meet the production requirments of alumina. Desiliconization experiments
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Treatment technique for wastewater from bauxite flotation
210;During bauxite flotation, flotation indexes decrease with increasing water circulation time, resulting in the discharge of bauxite flotation wastewater as well as a waste of
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Flotation Desulfurization of High-Sulfur Bauxite
The desulfurization of high-sulfur diasporic bauxite （from China） with flotation process and ethyl thio carbamate as collector was studied, and the effects of flotation time, pulp density, pH value and particle size of ores were examined.
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Shape-weighted bubble size distribution based reagent predictive
2019915;Cao et al. [5] built a distributed machine vision system for the bauxite flotation process. In their study, froth images captured from different flotation stages were integrated to
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Preparation of polymeric aluminum ferric sulphate from
The preparation process is shown in Fig.3. Figure 3 Polymerized aluminum sulfate iron preparation process flow chart The sulfur in the high sulfur bauxite flotation tailings was
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A review of the surface features and properties, surfactant
41;Diasporic bauxite represents one of the major aluminum resources. Its upgrading for further processing involves a separation of diaspore (the valuable mineral) from
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Study on potential microbial community to the waste water
928;Discharging waste water from the bauxite desilication process will bring potential environmental risk from the residual ions and organic compounds, especially hydrolyzed
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Bauxite Gravity and Flotation Process-Tuxingsun
202478;During flotation, bauxite minerals float up to form a foam layer, which is collected by foam collection equipment to obtain high-quality bauxite
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Reactive Silica Reduction on Bauxite by Flotation
The presence of silica is a common and significant problem in the bauxite and alumina industry, due to the kaolinite, quartz, and other silicates present in different types of bauxite. In the
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Analysis of Bauxite Ore Beneficiation Methods
6 ;The main beneficiation methods of bauxite are washing, flotation, magnetic separation, chemical beneficiation, etc.The process of separating concentrates from bauxite ore is actually
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Integrated prediction model of bauxite concentrate grade based
2013111;The diasporic-bauxite flotation process is too long and complicated, with froth overflowing and pulp underflowing in multiple phases, resulting in couplings among different
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Treatment of backwater in bauxite flotation plant and optimization by
201941;The bauxite flotation plants in China, most of which were built and put into production after 2009, retained good flotation indexes by discharging the backwater out of the
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A review of the surface features and properties, surfactant
41;Froth flotation is a separation method based on colloid and interface science and has been widely used in various industries such as mineral separation and wastewater
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Desulfurization in high-sulfur bauxite with a novel thioether
1115;Nowadays, the common reverse flotation collector in desulfurization of high-sulfur bauxite is xanthate, but it has unstable chemical properties, weak selectivity and some
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Chapter Aluminum Mineral Processing and Metallurgy: Iron
The reverse flotation process of iron-rich bauxite cannot achieve effective separation of Al 2O 3 and SiO 2, because it is characterized by a high content of Al 2O 3 and SiO 2 and a low ratio
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Shape-weighted bubble size distribution based reagent predictive
2019915;Froth flotation is a complex physical and chemical separation process which is influenced by multiple operational variables such as the inlet air flow rate, froth depth and
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Synthesis and characterization of a novel collector for the
81;Bauxite is one of the main raw materials in the alumina industry. Fine high-sulfur bauxite flotation desulfurization is a great challenge presently. This study aims to synthesize
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