antimony separation process

  • CA2147249A1 - Antimony separation process - Google Patents

    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. The antimony-contain-ing leach liquor from the leaching step is separated from the insoluble residue by filtration, and the antimony compounds in the separated leach liquor are crystallized to separate the antimony ...

  • US5290338A - Antimony separation process - Google Patents

    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. The antimony-containing leach liquor from the leaching step is separated from the insoluble residue by filtration, and the antimony compounds in the separated leach liquor are crystallized to separate the antimony ...

  • Antimony separation process - Sunshine Mining Company

    Oct 16, 1992 · To produce antimony products of high quality and high purity it is preferable to begin the process with a large degree of separation of impurities from antimony in the leaching step. Example 1A, below, illustrates a baseline leach test for materials

  • A hydrometallurgical process for the separation and ...

    In this process, antimony was recovered in a single step in the form of cathode antimony (> 98%), thereby resolving the technical problem of antimony and arsenic separation and hence, preventing ...

  • CN104651627A - Method for separating antimony from tin ...

    The invention relates to a method for separating antimony from tin-antimony alloy by vacuum distillation, belonging to the technical field of nonferrous metal vacuum metallurgy. The method comprises the following steps: melting the tin-antimony alloy to obtain a tin-antimony alloy liquid; continuously and uniformly sending the tin-antimony alloy liquid into a continuous vacuum furnace in a ...

  • CN103526048A - Method for separating lead and antimony ...

    A method for separating lead and antimony from jamesonite comprises the following steps: leaching jamesonite by using a sodium sulfide wet method, at the same time adding sulphur to generate sodium sulfantimonate, precipitating at normal temperature by crystallization to obtain sodium sulfantimonate crystal and lead-silver slag and further to realize pre-separation of lead and antimony ...

  • Extraction Process of Antimony from Stibnite by ...

    Feb 13, 2019 ·  · A new pyrometallurgical process to extract antimony from stibnite concentrate was proposed. Thermodynamic analysis of extraction process was conducted. Based on the thermodynamic analysis, the influence of volatilization temperature, volatilization time, blowing oxygen, low melting point slagging on the volatilization rate of antimony and the ...

  • A vacuum distillation process for separation of antimony ...

    Jun 01, 2021 · In this process, two severe problems are existed: (1) the waste gas SO 2 with a concentration range from 0.15 to 2.5% is produced during roasting step; (2) the separation of lead and antimony via selectively oxide antimony in Pb–Sb alloy is inefficient as well as cause pollution.

  • CN104651627A - Method for separating antimony from tin ...

    The invention relates to a method for separating antimony from tin-antimony alloy by vacuum distillation, belonging to the technical field of nonferrous metal vacuum metallurgy. The method comprises the following steps: melting the tin-antimony alloy to obtain a tin-antimony alloy liquid; continuously and uniformly sending the tin-antimony alloy liquid into a continuous vacuum furnace in

  • A hydrometallurgical process for the separation and ...

    In this process, antimony was recovered in a single step in the form of cathode antimony (> 98%), thereby resolving the technical problem of antimony and arsenic separation and hence, preventing ...

  • Separation of Antimony from a Stibnite Concentrate Through ...

    Nov 23, 2010 · The main purpose of this study is to characterize and separate antimony from a stibnite concentrate through a low-temperature sulfur-fixing smelting process. This article reports on a study conducted on the optimization of process parameters, such as flux and zinc oxide weight percentage, in charging, smelting temperature, smelting duration on the antimony yield, resultant crude antimony

  • US Patent for Process for the recovery and separation of ...

    Jan 29, 1991 · Process for the recovery and separation of arsenic from antimony Jan 29, 1991 - ASARCO Incorporated Fume generated by roasting speiss is contacted with an oxygen-containing gas at an elevated temperature for a sufficient time to product arsenic and antimony products which may be separated from each other by means such as condensation.

  • One-Step Extraction of Antimony in Low Temperature from ...

    Pyrometallurgy routes for extraction of antimony typically contain roasting-volatilizing-reducing process, bath smelting-continuous fuming process [3] and direct smelting process [4,5]. While hydrometallurgy technologies for antimony separation can be classified into alkaline extraction procedure and acidic extraction process according to ...

  • US4610723A - Process for leaching sulphide concentrates of ...

    A process for lixiviation of concentrates of copper sulphides of tetrahedral type containing high concentration of arsenic and antimony to recover copper and noble metals. The concentrates are repulped into an aqueous ferrous sulphate solution with an established and controlled solid-liquid ratio which is thereafter oxidized by an oxygen containing gas in a reactor, thereby oxidizing the ...

  • Hydrometallurgically treating antimony-bearing industrial ...

    In many instances, by-products or wastes containing antimony are generated during metallurgical processes. Although these materials pose environmental, recycling, and marketing challenges worldwide, the use of antimony hydrometallurgical leaching principles and technologies may provide a remedy. This paper outlines techniques for treating antimony-containing wastes and offers examples of ...

  • Antimony Mineral Processing - Xinhai

    Then after the process of gravity, there will be a process of flotation, the tailings from the preview gravity separation will be grinded, separated, stirred, and separated. And the flotation will apply the process of one roughing, three cleanings, and two scavenging. Then

  • Studies on the Recovery of Secondary Antimony Compounds ...

    separation of antimony was not possible below 1000 °C. However, carbothermal reduction of the MOV leaching residue showed it was possible to separate antimony at temperatures between 700 – 825 °C by the decomposition of Zn 7Sb 2O 12. In this process antimony oxide,

  • Metals | Free Full-Text | One-Step Extraction of Antimony ...

    Jul 07, 2016 · A new process for one-step extraction of antimony in low temperature from stibnite concentrate by reductive sulfur-fixation smelting in sodium molten salt, using iron oxide as sulfur-fixing agent, was presented. The influences of molten salt addition and composition, ferric oxide dosage, smelting temperature and duration on extraction efficiency of antimony were investigated in details ...

  • processing technologies for antimony ore

    The problem discussed in this antimony process study is limited to a concentrator capable of beneficiating 150 tons per day of antimony ore The antimony in this study occurs as the mineral stibnite Sb2S3 in association with small amounts of pyrite arsenopyrite galena and lead sulfantimonides The gangue is composed largely of quartz but contains ...

  • Antimony (Sb) - Chemical properties, Health and ...

    Antimony. Antimony is a semimetallic chemical element which can exist in two forms: the metallic form is bright, silvery, hard and brittle; the non metallic form is a grey powder. Antimony is a poor conductor of heat and electricity, it is stable in dry air and is not attacked by dilute acids or alkalis.

  • COPRECIPITATION WITH FERRIC HYDROXIDE: AN

    elements, that is, arsenic, antimony and copper and considering the fact that the gamma-ray energies of the corresponding radioisotopes are very close, which makes this simultaneous determination difficult, it was decided in the present work to study a chemical separation process which would be relatively rapid

  • Antimony Processing Plant, Antimony Separation Machine ...

    Then after the process of gravity, there will be a process of flotation, the tailings from the preview gravity separation will be grinded, separated, stirred, and separated. And the flotation will apply the process of one roughing, three cleanings, and two scavenging.

  • Separation of Lead from Crude Antimony by Pyro-Refining ...

    Apr 18, 2016 · The main purpose of this study was to separate lead from crude antimony through an oxidation pyro-refining process and by using sodium metaphosphate as a lead elimination reagent. The process parameters that will affect the refining results were optimized experimentally under controlled conditions, such as the sodium metaphosphate charging dosage, the refining temperature and

  • Separation of Antimony from a Stibnite Concentrate Through ...

    Feb 01, 2011 · Separation of Antimony from a Stibnite Concentrate Through a Low-Temperature Smelting Process to Eliminate SO2 Emission . Author: Jian-Guang Yang, Chao-Bo Tang, Yong-Ming Chen, and Mo-Tang Tang, Central South University | Document Download | Product code: ZMETB4201P0030. File size: 247 KB

  • Direct separation of arsenic and antimony oxides by high ...

    Pilot-scale filtration tests showed that the direct separation of arsenic and antimony can be achieved by a one-step or two-step filtration process. A higher removal percentage of arsenic can reach 92.24% at the expense of 6∼7% loss of antimony in the two-step filtration process at 500∼550°C and 300∼400°C.

  • processing technologies for antimony ore

    The problem discussed in this antimony process study is limited to a concentrator capable of beneficiating 150 tons per day of antimony ore The antimony in this study occurs as the mineral stibnite Sb2S3 in association with small amounts of pyrite arsenopyrite galena and lead sulfantimonides The gangue is composed largely of quartz but contains ...

  • Direct extracting lead sulfide and antimony trisulfide via ...

    Separation of antimony from a stibnite concentrate through a low-temperature smelting process to eliminate SO 2 emission Metallurgical and materials transactions B , 42 ( 1 ) ( 2011 ) , pp. 30 - 36 , 10.1007/s11663-010-9453-6

  • Separation and recovery of arsenic and alkali products ...

    Jul 01, 2020 · No arsenic-alkali mixed salts were produced in the separation process of arsenic and alkali. Abstract. For the comprehensive utilization of antimony smelting arsenic-alkali residue, there are some problems such as the incomplete separation and low recoveries of arsenic and alkali, and the formation of arsenic-alkali mixed salts with secondary ...

  • Innovative and practical deep eutectic solvent based ...

    Innovative and practical deep eutectic solvent based vortex assisted microextraction procedure for separation and preconcentration of low levels of arsenic and antimony from sample matrix prior to analysis by hydride generation-atomic absorption spectrometry ... Total As and Sb were determined after reduction process. The analytical properties ...

  • Antimony Toxicity

    Dec 20, 2010 · Antimony and its compounds are naturally present in the Earth’s crust and are released into the environment by natural discharges such as windblown dust, volcanic eruptions, sea spray, forest fires, and biogenic sources. The concentration of antimony in air ranges from a nanogram per cubic meter (ng/m 3) to about 170 ng/m 3. The concentration ...

  • agung suryadi pamenang - Managing Director - PT Antimony ...

    Descalling Process. Boiler Mecahnical and Chemical Audit, and Corrossion and Scale Protection. Octane Additive ( Booster ) Producer. General Trading. Gold and Antimony Separation Process Engineering. Mangan and Galena Separation Process. Foundry, Calcined Cokes and PET Coke Processing Plant and Manufacturing Set Up Plants.

  • Home - Yantai Jinpeng Mining equipment, ore dressing ...

    Antimony. Antimony ore processing. detail > Chrome. Chrome ore process. detail > Lead-zinc. Pb-Zn ore dressing process. detail > Tin. Tin ore separation process. detail > Iron. Hematite (Low-magnetic) dressing plant. detail > Molybdenum. Molybdenum Dressing Production Line. detail > Phosphorus. Phosphorus ore flotation process. detail > Barite ...

  • Nanoscale electrical property enhancement through antimony ...

    Jan 17, 2019 · More importantly, a larger band bending around the grain boundary (GB) is also observed by increasing the potential value from 40 mV to 100 mV after antimony incorporation, which can facilitate the GB-dominated carrier separation process. Due to the antimony-assisted morphology and enhancement in the nanoscale electrical properties, the CZTSSe ...

  • Mineral Processing Plant, Technology, Equipment ...

    WHAT WE DO. Xinhai is focused on providing a whole range of services of Mineral Processing EPC (one-stop service for mineral processing plant), including mineral testing, engineer design, equipment manufacture, installation & commissioning and local training. The teams of geologists, mineral processing & mechanic experts of Xinhai are traveling around the world with accumulated experience of ...

  • BARS, AsRU and SSU™ Ion Exchange - Koch Separation

    BARS, AsRU and SSU. Ion Exchange. The SSU Salt Separation Unit employs a unique ion exchange resin with a high affinity for chloride. This system effectively removes salts from copper refining operations to lower contaminant levels and prolong equipment life. In small concentrations, bismuth, antimony, and arsenic can produce slimes in the ...