flotation method for antimony
Antimony Metallurgy | SpringerLink
ResultIn 1884, A. Bobierre and others proposed for the first time the volatilization roasting method for antimony regulus extraction. In 1896, electrolytic antimony was produced. Since 1930, antimony ore melting in blast furnace became an important process for producing antimony metal. ... Antimonite ore is …
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Investigation of Complex Treatment of the Gold-Bearing Antimony …
ResultThis paper details the hydrometallurgical method of processing of refractory gold antimony flotation concentrate. Investigation of feed material has been occurred. Mineralogical analyses (XRD, SEM ...
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Reagent dosages control based on bubble size …
ResultTo verify the flotation process control method based on the bubble size PDF, we adopted industrial production data that came from an antimony flotation plant in November 2013. In the …
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A cascaded recognition method for copper rougher flotation …
ResultThe condition of gold–antimony rougher flotation directly affects the operation of subsequent processes, making the working condition recognition of rougher flotation important (Lu et al., 2018; Gupta et al., 2009). Various methods, including model-based, knowledge-based and data-driven methods, are used in …
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Flotation separation method of antimony sulfide gold …
ResultA flotation separation method of antimony sulfide gold minerals comprises the steps of performing bulk flotation to obtain antimony-gold mixed concentrate firstly and then separating the antimony-gold mixed concentrate to obtain antimony concentrate and gold concentrate, wherein in the bulk flotation, lead nitrate is …
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Beneficiation of Lakhshak Antimony Ore Using Flotation Method
ResultAn investigation on beneficiation of Lakhshak antimony ore was carried out using flotation methods. The grade of antimony in representative sample was 17.23%. The most important minerals were stibnite, quartz and pyrite and the degree of liberation of stibnite was found to be 700 micrometer. The raw material was …
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THE BENEFICIATION OF ANTIMONY ORE BY FLOTATION
ResultAntimonite ore is concentrated by physical and physico-chemical methods such as gravity based separators and flotation. In this study, antimonite waste (-212 µm) has been tried to beneficiate by ...
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A Full-Process Quantitative Analysis Method of the Content of Antimony
ResultThe content of antimony sulfide is an important index in the antimony flotation process, which directly determines the amount of reagent added and the parameters of control equipment in the process of antimony flotation. Chemical detection methods are mainly used for analysis at present time, and the operation is so …
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The metallurgy of antimony
Result1. Background. Antimony is a silvery, white, brittle, crystalline solid that exhibits poor conductivity of electricity and heat. It has an atomic number of 51, an atomic weight of 122 and a density of 6.697 kg/m 3 at 26 °C. Antimony metal, also known as 'regulus', melts at 630 °C and boils at 1380 °C.Antimony and the …
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Antimony Ore Beneficiation Methods And Improve …
ResultAntimony sulfide mineral deposits are easy-to-float mineral deposits, and flotation methods are mostly used to increase the crystal position of the ore. Among them, stibnite often uses lead salt as an activator first, or a combination of copper salt or lead salt and copper salt, and then floats it with a collector.
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Removal of antimony from antimony mine flotation wastewater by
ResultAntimony (Sb) has received increasing environmental concerns due to its potential toxic and carcinogenic properties. In the present work, the electrocoagulation technique was used to treat the flotation wastewater from a heavy antimony polluted area, and the mechanism of removing Sb was also investi …
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Flotation of Antimony Ores with High Arsenic Content
ResultAntimony ore samples (mean assay 18. 7 per cent antimony) from Endeavour Inlet, Marlborough Sounds, New Zealand, were tested for upgrading by flotation to a saleable product ( greater than ...
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Froth Flotation Classification of Antimony Based on …
ResultFroth Flotation Classification of Antimony Based on Histogram of Bubbles Perimeters. Abstract: The process of flotation is one of the most complex …
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The Method of Reagent Control Based on Time Series …
ResultFirstly, since the flotation conditions cannot be described fully by the features of a single froth image, the concept of cumulative distribution function (CDF) is presented for describing the time series distribution of consecutive multi-frame bubble sizes, and approximated by a third order B-spline function.
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Flotation of antimony ores with high arsenic content
ResultEspecially for sulfide antimony ores, the most common beneficiation method is flotation. Therefore, antimony ore consisting of stibnite mineral obtained from Tokat-Turkey region was used in this study. Due to the low antimony (5.06%Sb) and the high Arsenic (1.38%As) content, it is an important requirement to increase the Sb …
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Data-driven Extraction Method of Belief Rule for Reagent …
ResultFor the problem of reagent addition control in antimony rougher flotation, belief rule base (BRB) method can be adopted to express the human knowledge and to address the uncertainty in the operator experience and historical data. ... Reagent addition is a critical operational variable in the antimony …
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Application of density-based clustering algorithm and
ResultHowever, the CNN-based method cannot be directly applied to the antimony flotation process (Zhou and Zhou, 2018). In order to solve the problem, a recognition model based on density clustering and capsule neural network (CapsNet) is proposed to classify the working conditions of the antimony froth flotation …
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Sulphidic refractory gold ore pre-treatment by selective …
ResultThe results show that it is impractical to remove arsenic (As) and antimony (Sb) from downstream processes by using selective flotation. It was observed that 22% of total Sb and 31.1% of As remained in the final tailings. ... The bulk flotation method as a pre-treating method resulted in the concentrate with …
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Flotation and adsorption mechanism studies of antimony
ResultMicro-flotation tests showed that the HpODT has better recovery and selectivity for antimony sulfide against iron and cadmium sulfide in comparison …
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DRESSING Reagent Dosage Control for the Antimony …
ResultAbstract—A reagent dosage hybrid control strategy for the antimony flotation process is proposed in this work. This strategy consists of two parts: reagent …
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17
ResultThe flotation method is a technique widely used for the recovery of gold from gold-containing copper ores, base metal ores, copper nickel ores, platinum group ores and ... 17.5 FLOTATION OF GOLD-CONTAINING MERCURY/ANTIMONY ORES In general, these ores belong to a group of difficult-to-treat ores, where cyanidation …
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Low-grade antimony oxide ore flotation separation method
ResultThe invention discloses a low-grade antimony oxide ore flotation separation method. As for quartz-calcite antimony oxide ore containing 0.5-2.0 percent by mass of Sb, the method comprises the following steps: grinding ore into particles with the fineness of minus 0.074 mm; preparing ore pulp with 70-90 percent by …
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Tin Ore Beneficiation Methods And Some Practice
ResultAfter transformation, the design process is magnetic separation–>flotation–>gravity separation process, and the flotation of sulfide ore adopts the priority mixing and flotation separation process, and the recovery rates of tin, lead, antimony and zinc are 78.11% and 85.59% respectively., 82.63% and …
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Removal of Antimony from Antimony Mine Flotation
ResultAs illustrated in Fig. 4, at increasing pH of the solution from 3 to 5, the efficiency of HA removal by the AEC-PS process was improved from 87.4 ± 4.5% to 94.3 ± 4.7%, which may be due to the ...
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A Review on Pyrometallurgical Extraction of Antimony from …
ResultIn 2019, Ye et al. proposed a 3-step reduction roasting-sulfur fixing-beneficiation method for the production of antimony from antimony sulfide. In the process, Sb 2 S 3 was roasted with zinc oxide and carbon to produce antimony metal and zinc sulfide, followed by recovery of metallic antimony via gravity …
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Coordinated optimization setting of reagent dosages in
ResultConsidering the influence of reagent adjustment in different flotation bank on the final production index and the difficulty of establishing an effective mathematical model, a coordinated optimization method for dosage reagent based on key characteristics variation tendency and case-based reasoning is proposed. …
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Shape-weighted bubble size distribution based reagent predictive
ResultAntimony flotation is a complicated industrial process with an unknown system structure. Manual manipulation is still widely used by observing the froth appearance, which relies on operators' experience. Therefore, this paper proposes a reagent predictive control strategy for the antimony flotation process …
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The Method of Reagent Control Based on Time Series …
ResultDue to the distribution of bubble size changes with the reagent dosage in a flotation process, a dosage control method based on time series distribution of bubble size during the gold‐antimony flotation process is proposed. Firstly, since the flotation conditions cannot be described fully by the features of a single froth …
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Shape-weighted bubble size distribution based reagent …
ResultThe proposed method was applied in a gold-antimony flotation plant located in Hunan, China. It improved the efficiency of froth flotation and reduced false reagent operation. This article is ...
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Beneficiation of antimony oxide ore: A review
ResultAntimony oxide ore beneficiation has become one of the world's largest mineral processing conundrums. In recent years, many experimental studies dealing with antimony oxide ore have been carried out, resulting in new technical achievements. Much attention has been paid to improving the mineral processing …
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