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Lead the complex antimony sulfide ore is the raw material, one of China's major refined antimony. Complex sulphide ore of lead-antimony lead pyrometallurgical smelting and electrolytic refining of lead extraction, most of the crude antimony smelting from soot and lead anode mud containing lead, arsenic, bismuth, iron and precious metals and other impurities.
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The present chapter is devoted to the analysis of the obtained data on the high-temperature electrolytic production of high-purity lead from secondary lead in chloride melts. Kinetic parameters of electrode reactions were calculated, and the sequences of the metal dissolution from the double lead-antimony (Pb-Sb), lead-bismuth (Pb-Bi), and antimony …
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A method of preventing supersaturation of electrolytes with arsenic, antimony and bismuth in which the electrolyte solutions are contacted with stannic acid and the stannic acid is regenerated with electrolytically produced sulfuric acid having a higher concentration than the sulfuric acid in the electrolyte. The regeneration of the stannic acid chemisorbent is carried out in the same …
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In the electrolytic'method of refining copper .by immersion of copper anodes in a suitable bath of acid electrolyte the impurities associated with the copper in the anodes and which are composed mainly of iron, arsenic, and antimony become affected electrochemically and by virtue of the reactions pass in part into solution and in part are ...
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After electrolytic refining, bismuth-rich anode sludge is obtained; bismuth is then selectively leached out, separating silver and antimony (MSA solution selectively dissolves bismuth, thereby separating antimony [97]); finally, bismuth is recovered through electrodeposition to produce bismuth plates. Under optimal conditions, the method can ...
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Antimony Electrolytic Refining. Non-ferrous metals 505 1007 Sophia . Tin Electrolytic Refining The process of Tin Electrolytic Refining is a process of purifying the tin ore by extracting tin and other metals from the ore. Tin, like many other metals, is made up of a compound and a metal.
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Arsenic, antimony, bismuth and other elements with potentials similar to that of copper are harmful impurities in the copper electrolytic refining process and may precipitate in the cathode discharge when the concentration of Cu 2+ in the electrolyte is low or when the current density is high, thereby reducing the copper cathode purity [5], [6]. ...
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The remaining copper holds the precious metals, which are separated out by the electrolytic copper refining process and at the same time concentrated in the anode slimes. Since so many of our members pursue refining as a hobby and thus on a small scale, the beauty of the electrolytic copper process is it can be scaled to work in a tank as small ...
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Electrolytic refining:-It is a method used for the extraction and purification of impure metals through the process of electrolysis. In this method, crude metal is used as the anode, and a strip of pure metal is used as the cathode and the soluble salt of …
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Refining techniques are employed to further purify and process antimony after it has been extracted from its ore. These techniques aim to remove impurities and obtain high-purity antimony products suitable for …
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The current processes for producing high-purity antimony include electrolytic refining, chlorination-distillation-reduction, straight-pull purification, and regional smelting [10].Among these processes, the electrolytic refining method can produce 4 N antimony; however, electrolysis conditions are harsh, and the process produces the highly toxic gases …
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Impurities from the blister copper deposit as anode mud which contains antimony, selenium, tellurium, silver, gold and platinum. Correct answer is 6. Suggest Corrections. 0. Similar questions. Q. During the process of electrolytic refining of copper, metals that are present as impurities and settle as anode mud.
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The present invention provides a method of removing bismuth and antimony from silver electrolyte during electrolytic refining of silver. By utilizing the characteristic that the nitrate of bismuth and antimony capable of being hydrolyzed in low acidity condition, silver oxide and ammonia water are added into the silver electrolyte successively to produce deposit of …
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In a copper refinery including smelting, converting and electrolytic refining steps, feed material containing copper and contaminated with iron and one or more impurity metals selected from the group consisting of nickel, antimony, and tin is refined in a process in which the impurity metals are separated from the copper prior to the main electrolytic refining step, into a converter …
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Rate of recovery of antimony and bismuth from the chloride bath at 303 K (a) applied potential of −0.5 V and (b) current density of 5 A/dm 2. Under galvanostatic mode, …
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⬆️⬆️⬆️ The electron configuration of Antimony is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p3. The chemical element included in the group of metalloids is ... antimony characterized by its high purity is obtained by electrolytic refining. What is the function of antimony? This semi-metal is widely used as an alloy, it greatly ...
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In 1896, electrolytic antimony was produced. Since 1930, antimony ore melting in blast furnace became an important process for producing antimony metal. ... Electrolytic refining of antimony is mostly realized by electrolysis of solution, where hydrofluoric acid and sulfuric acid solutions are used as electrolyte to generate high-purity ...
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antimony material further treatment for tin and lead decrease to a residual contents of 0.002 % and 0.02 % respectively, it is necessary to carry out the multi-stage fire refining directed …
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An electrolytic refining process is used in order to obtain antimony with an overall impurity content not above 0.1–0.3%. In this this case the complete scheme for comprehensive treatment of antimony raw material includes: flame refining of ferrous metal electrolysis in solutions, solution purification from accumulated impurities, and anode ...
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O.V.J. Hyvarinen, Process for selective removal of bismuth and antimony froman electrolyte, especially in electrolytic refining of copper, US Patent 4,157,946 (1979). Google Scholar [9]
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The current processes for producing high-purity antimony include electrolytic refining, chlorination-distillation-reduction, straight-pull purification, and regional smelting …
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This is typically done through electrolytic refining or by treating the antimony with oxygen-rich air to remove remaining sulfur and lead. Formation of Antimony Products: Finally, the refined antimony is processed into alloys, compounds, and various products depending on its intended use.
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During the process of electrolytic refining of copper, some metals present as impurity settle as 'anode mud'. These are: [1 Mark] A. Fe and Ni. ... basic metal remains in the solution and the less basic oncs go to the anode and deposit as anode mud which contains antimony, selenium, tellurium, silver, gold and platinum. Suggest Corrections. 1 ...
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a method for eliminating floating slime in the electrolytic refinement of copper. the method uses a novel electrrolyte which contains specific quantities of trivalent arsenic, pentavalent arsenic and pentavalent antimony, the arsenic content being obtained andd maintained by special procedural steps such as direct addition of the substances to the solution, reducing of existing quantities …
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After electrolytic refining, bismuth-rich anode sludge is obtained; bismuth is then selectively leached out, separating silver and antimony (MSA solution selectively dissolves bismuth, …
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Electrolysis, or electrolytic refining, is a technique that is already in use for the extraction and purification of metals, and it is a much more cost-effective and efficient technique than traditional heat-based smelting methods. Indeed, it was the discovery of the Hall-Héroult electrolytic process …
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A method for eliminating floating slime in the electrolytic refinement of copper. The method uses a novel electrolyte which contains specific quantities of trivalent arsenic, pentavalent arsenic and pentavalent antimony; the arsenic contents being obtained and maintained by direct addition of the substances to the solution, or by increasing the arsenic content in the anode.
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Electrolytic refining is a process used for the extraction and purification of metals. Learn about electrolytic refining definition, its principles and electrolytic refining of metals, copper and minerals. ... (Ag), Gold (Au), Platinum group metals, Lead (Pb), Antimony, (Sb)Bismuth,(Bi)Arsenic (As), Tellurium (Te), Selenium (Se). 5.0 ...
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The same is even more certainly true of silver and gold. The behavior of bismuth is interesting and satisfactory. It is as completely removed by this process of refining as antimony is. No other process of refining lead will remove this objectionable impurity so completely. Tin has been found in the refined-lead to the extent of 0.02 per cent.
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At Umicore Precious Metals Refining in Hoboken (Belgium), antimony is recovered from complex lead-bearing concentrates as well as various complex residues from the lead/copper/zinc industry. The antimony is extracted during the lead refining process in …
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US3887448A US352079A US35207973A US3887448A US 3887448 A US3887448 A US 3887448A US 352079 A US352079 A US 352079A US 35207973 A US35207973 A US 35207973A US 3887448 A US3887448 A US 3887448A Authority US United States Prior art keywords electrolyte adsorber chemisorbent bismuth impurity Prior art date Legal …
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An electrolytic refining process is used in order to obtain antimony with an overall impurity content not above 0.1–0.3%. In this this case the complete scheme for …
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The copper electrolytic refining process usually includes anode processing, starting plate production, electrolysis, liquid purification and anode mud treatment. In the improved permanent cathode process, the production of the starting plate is eliminated. ... arsenic, antimony, bismuth, etc. Prev Previous Article Hydrometallurgical Recovery ...
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In 1896, electrolytic antimony was produced. Since 1930, antimony ore melting in blast furnace became an important process for producing antimony metal. ... Electrolytic …
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The impurities of antimony, selenium, tellurium, silver, gold and platinum being less electropositive are not affected by CuSO 4-H 2 SO 4 solution. Therefore, these impurities get settle down under the anode as anode mud or anode sludge. ... Electrolytic refining is the process of refining impure metals by using electricity. In this process ...
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Currently, using pyrometallurgical process, the antimony and copper elements can be removed respectively by multistage oxidation refining, and then the precious metals are recycled by electrolytic refining. This process has a number of shortcomings such as high energy consumption, high pollution and low direct yield.
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Antimony and bismuth are selectively removed from an electrolyte solution, especially a solution used for the electrolytic refining of copper by adding to the electrolyte solution a carbonate of barium, strontium, or lead. US4157946A - Process for selective removal of bismuth and antimony from an electrolyte, especially in electrolytic refining ...
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Electrolytic refining is a much more common process than electro-winning, and such plants exist on a scale ranging from 1000 to 100,000 tons per year throughout the world. These are typically part of a larger project to extract raw metals from both waste and …
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PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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