Antimony Separation Process
- صفحه اصلی
- Antimony Separation Process
Aim to solve the problem of lead and antimony separation, various process have been proposed in China, which could be divided into pyrometallurgical process and hydrometallurgical process. Pyrometallurigical process including reducing matte smelting process [16] and water vapor-air oxidization process [17]. However, both process doesn't solve ...
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This process contains multiple steps including desulfurization in the fluid-bed roaster, sintering after burden, reduction smelting of calcine with coal in a BF to produce a lead-antimony alloy, and blowing for separation of lead from antimony and production of crude antimony xide and lead-rich alloy, illustrated in Figure 13. Subsequently ...
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The laboratory beneficiation process for antimony is a comprehensive and multi-step procedure requiring various specialized equipment. Each stage, crushing, grinding, …
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Toward the fulfillment of these and other objects, the antimony separation process of the present invention involves the separation of antimony from antimony-containing materials.
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However, during the experimental sublimation process, antimony also enters the gas phase along with arsenic. This poses a difficult problem for the vacuum separation of arsenic and antimony. ... The effect of holding time on the separation of arsenic and antimony is shown in Fig. 11 (c) and (d). When the heating temperature was 748 K and the ...
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In this work, the separation potential of a new "magmolecular" process for ions of antimony(III) from wastewater was studied. The magmolecular process is a technique in which a high gradient magnetic field is applied to eliminate heavy metal from wastewater. In this process, specifically we have synthesized two nanoadsorbent magnetic materials, MnFe2O4 …
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Equipment such as jigs, shaking tables, and spirals are utilized to enhance the separation process. The choice of equipment depends on the particle size, ore characteristics, and desired antimony concentration. 2. …
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Our team has [23], [24], [25] obtained antimony sulfide with a purity of 99.12 wt% by one-step vacuum multistage condensation from jamesonite, and used low-grade stibnite as raw material to prepare antimony sulfide with a purity of 95 wt% by controlling distillation temperature and holding time at 1073 K and 30 min at 10 Pa. However, in the above process, there are …
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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 natural sulfide of antimony were known as early as 4000 BC.
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The electrochemical separation process was performed in molten NaCl-CaCl 2. The content of Sb (atomic percent) in the Pb-Sb alloy was reduced from 1% to less than 0.01% (atomic ratio). ... A clean process for recovering antimony from arsenic-bearing crystals and immobilizing arsenic as scorodite. Separation and Purification Technology, Volume ...
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During roasting, considerable quantities of antimony sulfide and some associated low-boil-point metals, such as lead, arsenic, and cadmium, together with low concentrations of …
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Antimony circulates in a tin refining system, which strongly affects the production process. In this study, continuous vacuum separation and discontinuous vacuum separation …
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The application of slurry electrolysis for high-arsenic antimony–gold concentrate treatment provides several benefits, including a short treatment process, complete separation of antimony and ...
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An antimony recovery process is disclosed in which antimony-containing material is leached in a solvent including elemental sulfur and a caustic to preferentially leach antimony.
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The distribution behavior of arsenic in the primary process of antimony smelting is clarified through the substance flow analysis of arsenic and the phase analysis of related products. 4.2.1 Mass balance calculation The mass balance of arsenic based on the qualified products containing 1 t antimony Ke WANG, et al/Trans. Nonferrous Met. Soc ...
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The high density of antimony minerals and their tendency to grind to slime (hardness of 2.5 on Mohs' scale) make gravity separation in the mill circuit an interesting possibility for the first step in the process.
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During the experimental process, arsenic, antimony, and lead were removed in the form of Na 3 AsO 4 ⋅10H 2 O and Pb 2 Sb 2 O 7, with the leach residue ... plays a crucial role in the centrifugal separation process-effectively trapping residues and being key to the separation of bismuth from impurity metals. Download: Download high-res image ...
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This process contains multiple steps including desulfurization in the fluid-bed roaster, sintering after burden, reduction smelting of calcine with coal in a BF to produce a lead-antimony alloy, and blowing for separation of lead …
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Process introduction The specific gravity of antimony ore is much greater than that of gangue, so it can be separated by gravity separation. Gravity separation is efficient, energy-saving and environmentally friendly, and can also enrich low-grade ore in advance. After gravity separation, antimony ore is purified by flotation. Therefore, gravity separation and flotation combined …
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However, the signals attributed to N 1s at 400.91 and 399.62 eV exhibit slight shifts after the separation process, suggesting the involvement of amine groups in the antimony ion separation ...
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Gravity separation is mainly used for the beneficiation of antimony oxide ore and the separation of coarse stibnite. Therefore, the beneficiation process of single antimony sulfide ore includes single flotation process and …
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Here we report a roasting process for the efficient separation of arsenic and antimony from flue dust. It is demonstrated that the use of sulfuric acid and bituminous coal enhances the volatilization of arsenic at substantially lower temperatures, thereby facilitating its separation from antimony. The objectives of this work are: (i) to examine ...
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The antimony ore beneficiation methods mainly include manual separation, gravity separation, flotation, and other methods. Select the beneficiation process of a specific ore based on the physical and chemical properties of the ore type (natural type and industrial type), mineral composition, structural structure, and process particle size of useful minerals.
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NZ257455A - Antimony separation process - Google Patents Antimony separation process Info Publication number ... New Zealand Prior art keywords antimony arsenic sodium leach liquor compounds Prior art date Application number NZ257455A Inventor Corby G Anderson Suzzann M Nordwick Original Assignee Sunshine Mining Co
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A novel green cloud point extraction-based switchable hydrophilicity solvent method for antimony separation and quantification from various bottled beverages by HGAAS. ... and Argon gas flow rate of 120 mL/min. For the atomization process, the quartz T-cell was heated to 900 °C utilizing air-C 2 H 2 flame. The hydrides were produced in the ...
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A comprehensive procedure for the separation and recovery of antimony from a complex stibnite concentrate was introduced. In this process, antimony can be recovered in the forms of cubic crystal Sb 2 O 3 (99.9%), high-purity cathode antimony (99.98%), crude cathode antimony (99.7%), high-purity SbOCl (99.9%), and crude antimony (> 99%). The ...
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Method. A procedure for the separation and recovery of antimony from this stibnite concentrate by electrowinning was studied (Figure 1).The process for the recovery of antimony from this concentrate was carried out in the following three main stages: antimony pentachloride circular leaching, purification, and membrane electrowinning.
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Jamesonite is an important complex antimony mineral which treated by conventional methods have shortcomings, such as sulfur dioxide emission and low antimony and lead recovery. This study applied vacuum metallurgy technology to treat jamesonite. The vacuum decomposition behavior of jamesonite (Pb 4 FeSb 6 S 14) was investigated, and a two-step …
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It is possible to process complex antimony ores with this method. Based on the mineralogical composition of raw material, acid or alkaline leaching can be applied. ... Selective separation of antimony from a Sb-Fe mixed solution by hydrolysis and application in the hydrometallurgical process of antimony extraction. Sep. Purif. Technol., 228 ...
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antimony smelting lead separation process plumbous Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number CN 98112587 Other languages Chinese (zh) Other versions
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The common stibnite, yellow antimony, red antimony and antimony are minerals with high density and coarse particle size separated from gangue by gravity separation. Especially for the pre-selection of low-grade antimony ore, it has a very good effect. The main gravity separation equipment used is spiral chute, shaking table, jig concentrator ...
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The present invention relates to a rich lead-antimony separation process. Firstly, a rich lead-antimony raw material is smelted at the second time after being smelted once so that lead and antimony are completely smelted into a volatilization solution. Then, oxygen is forcibly pressed in by blasting to be cooled so that the antimony is immediately oxidized.
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Antimony separation process. Patent. WO-9409165-A1. Inventor. ANDERSON CORBY G . NORDWICK SUZZANN M . KRYS LEO E . Assignee. SUNSHINE MINING COMPANY (US) Country. WIPO (PCT)
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CA2147249A1 - Antimony separation process - Google Patents Antimony separation process Info Publication number CA2147249A1 ... antimony arsenic sodium leach liquor compounds Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no ...
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The antimony ore gravity separation process is applicable to most antimony ore dressing plants, because antimony minerals are minerals with high density and coarse particle size, and are easy to ...
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The continuous heavy medium separation process on antimony sulfide ores from Xikuangshan. Test Report. Kim Soo Sik, et al., 1975. Leaching of antimony with ferric chloride. Taehan Kwangsan Hakoe Chi 12 (4), 35–39. Li, W., Xu, B., 1984. A trial process for direct hydrometallurgical production of antimony white.
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