Copper and Antimony Recovery from Electronic Waste by

The Pourbaix diagrams for antimony were constructed with HSC Chemistry 6.0 software to identify the predominance of the Sb species as a function of E(V) and pH in order to have a thermodynamic understanding of antimony chemistry for its recovery. Based on the Pourbaix diagrams, the pH of the solution was modified from an initial value of 0.5 ...

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Leaching of Antimony From a Refractory Precious …

HY DROMETALLURGY Figure 2 - Eh-pH diagram for the basic negative potential field of the Sb-Na-S-H20 system at T = 25' C, where: [SbIT = 0.5 mol and [SIT = 3 mol (Motang and Tiancong 1988 ...

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FLOWSHEET DEVELOPMENT FOR PROCESSING AN …

FLOWSHEET DEVELOPMENT FOR PROCESSING AN ANTIMONY ORE FROM SOUTH HAM TOWNSHIP, QUEBEC by G.I. Mathieu* and R.W. Bruce** SUMMARY OF RESULTS Head analysis of the sample received for investigation gave the following results: Sb As S Fe Insol 1.25% 0.09% 0.66% 4.10% 79.7 ...

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The schematic flowsheet of direct recovery of antimony from …

The high antimony slag from this process was reduced in the furnace by coal. ... The diagram indicates that the ∆G θ values of reactions (7) and (8) ...

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Bi-Fe-Sb (Bismuth-Iron-Antimony) | Journal of Phase

The Bi-Fe phase diagram depicts no intermediate phases. The mutual solubility between Bi and Fe is very limited. A continuous solid solution forms between the isostructural elements Bi and Sb. ... Y. Feutelais, G. Morgant, J.R. Didry, and J. Schnitter, Thermodynamic Evaluation of the System Bismuth-Antimony, CALPHAD, 1992, 16(2), p 111-119 ...

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XRD patterns of antimony deposits at various cathode …

The Pourbaix diagram for Sb-S-H2O, S-H2O and Au-S-H2O systems have been studied. ... Conditions for efficient sulfide-alkaline leaching process, ensuring high antimony extraction along with ...

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Influence of initial antimony concentration on current …

The Pourbaix diagram for Sb-S-H2O, S-H2O and Au-S-H2O systems have been studied. ... Conditions for efficient sulfide-alkaline leaching process, ensuring high antimony extraction along with ...

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Bi-Sb (Bismuth-Antimony) | Journal of Phase Equilibria and …

By accepting optional cookies, you consent to the processing of your personal data - including transfers to third parties. Some third parties are outside of the European Economic Area, with varying standards of data protection. ... M. Akaishi and S. Saito, Phase Diagram of Bismuth- Antimony System under High Pressure, Bull. Tokyo Inst. Tech ...

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Antimony Processing: Unlocking the Potential of a …

The primary sources of antimony extraction are stibnite (antimony trisulfide) and valentinite (antimony trioxide). The extraction process typically involves several steps, including mining, concentration, and smelting.

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Antimony, a pollutant of emerging concern: A review on …

Antimony comes under group 15 of the periodic table with ground state electronic configuration [Kr]4d 10 5s 2 5p 3. 121 Sb (57.21% abundance) and 123 Sb (42.7% abundance) are the two stable isotopes of antimony. Antimony can possess different oxidation states (such as +5, +3, 0, −3 and −5), but generally found to exist in the +3 and + 5 oxidations states (Herath et …

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Comprehensive recovery of arsenic and antimony from arsenic-rich …

The mechanisms of the hydrochloric acid leaching and the recovery process of arsenic and antimony from arsenic-rich copper smelter dust are explained and confirmed by E-pH diagram, thermodynamic calculation, arsenic speciation, composition analysis and XRD characterization, comprehensively.

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Lab Antimony Beneficiation: Key Processes and Equipment

The laboratory beneficiation process for antimony is a comprehensive and multi-step procedure requiring various specialized equipment. Each stage, crushing, grinding, gravity separation, and flotation, is irreplaceable in efficiently extracting and purifying antimony from its ores. Understanding the intricacies of the antimony beneficiation ...

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Installation for the oxidation-chlorination roasting of antimony

Download scientific diagram | Installation for the oxidation-chlorination roasting of antimony concentrate: 1-turn tube furnace; 2-latochak with charge; 3-reactor for roasting; 4-connecting device ...

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Antimony phase diagrams

Recent investigations of rare-earth-antimony binary phase diagrams have been performed by Abdusalyamova et al. (1990a,b). All the R-As and R-Bi binary systems have been evaluated by Gschneidner and Caldcrwood (1986b, 1989b). Ferro et al. (1988) have... Examples of lead-antimony and lead-calcium alloys show the phase diagrams in Figures 9.4 and 9.5. In practice …

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Al-Sb-Si (Aluminum-Antimony-Silicon) | Request PDF

The aluminum-antimony-silicon (Al-Sb-Si) system has been discussed. The Al-Sb phase diagram contains a stoichiometric compound AlSb, which melts congruently at 1058 °C.

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Development of a Two- Stage Hydrometallurgical …

basic technological flowsheet diagram for flotation gold-antimony processing for the Olimpi-adinskoe deposit has been developed; it includes two redistributions: production of metallic anti-mony and gold extraction from the nitric leach cake. Keywords: antimony, arsenic, gold leaching, nitric acid, refractory gold ores, leaching, 1.

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Processing of gold-antimony concentrates | Request PDF

A basic technological flowsheet diagram for flotation gold-antimony processing for the Olimpiadinskoe deposit has been developed; it includes two redistributions: production of metallic antimony ...

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Arsenic and antimony contents in materials fed into the kiln

Download scientific diagram | Arsenic and antimony contents in materials fed into the kiln from publication: Migration and distributions of arsenic and antimony during co-processing hazardous ...

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Process Flow-Sheet for Gold and Antimony Recovery from Stibnite

A basic technological flow sheet diagram for processing the flotation gold-antimony concentrate from the Olimpiadinskoe deposit was developed, including two stages: the production of metallic ...

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Vat Leaching Flowsheet Design Parameters. | Download …

A basic technological flow sheet diagram for processing the flotation gold-antimony concentrate from the Olimpiadinskoe deposit was developed, including two stages: the production of metallic ...

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Process selection for treatment of antimony ores (adapted …

Download scientific diagram | Process selection for treatment of antimony ores (adapted from [54]). from publication: A Review on Pyrometallurgical Extraction of Antimony from Primary Resources ...

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Antimony processing flow chart

In this process, antimony metal (sources include ingots, ore, and sodium antimonite) is melted in a furnace. The molten metal is burned producing an antimony oxide vapor. The vapors are …

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Antimony and arsenic substance flow analysis in antimony

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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Chapter 3, Equilibrium constitution and phase diagrams …

The phase diagram for the copper-antimony system is shown on the next page. The phase diagram contains the intermetallic compound marked " X " on the diagram. Determine the chemical formula of this compound. The atomic weights of copper and antimony are 63.54 and 121.75 respectively. (FIGURE CAN'T COPY)

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Applications of antimony [20, 21] | Download …

Conditions for efficient sulfide-alkaline leaching process, ensuring high antimony extraction along with minimization of losses of gold in the solutions were determined: Eh from -0.8 to -0.6 V at ...

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Schematic diagrams of a) pyrometallurgy and …

Schematic diagrams of a) pyrometallurgy and alloying process of antimony and copper, b) direct electrochemical desulfurization (our work), and c) the reduction of melting temperatures of raw...

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METHODS FOR PROCESSING OF ANTIMONY …

Methods of reducing melting and sulfide-alkaline leaching of antimony sulfide concentrates to obtain metallic antimony and antimony trioxide are discussed, and methods of refining …

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Technological trends, emerging applications and …

China leads the global antimony production (67% on an average from 2015 to 2019) followed by Russia and Tajikistan. Antimony has been applied in the industry (plastics, etc.) and new/emerging technologies (cell panels, infrared, etc.) where antimony trioxide (Sb 2 O 3) is its most produced and used compound. With technological advances, recent ...

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Main producers of antimony in the world.

A basic technological flow sheet diagram for processing the flotation gold-antimony concentrate from the Olimpiadinskoe deposit was developed, including two stages: the production of metallic ...

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XRD patterns of antimony deposits at various NaOH …

The Pourbaix diagram for Sb-S-H2O, S-H2O and Au-S-H2O systems have been studied. ... Conditions for efficient sulfide-alkaline leaching process, ensuring high antimony extraction along with ...

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PTEs contents in dust samples from nodes in antimony processing …

Download scientific diagram | PTEs contents in dust samples from nodes in antimony processing plant. from publication: Risk Assessment of Potentially Toxic Elements Pollution from Mineral ...

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Process flow chart for the preparation of antimony …

Download scientific diagram | Process flow chart for the preparation of antimony impregnated activated carbon electrode, T o and T f are the initial and final temperatures, respectively....

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Separation of arsenic and antimony: A comprehensive …

In addition, antimony as arsenic-antimony clusters enters the gas phase, and the diffusion coefficients of the clusters are in the order of As 4 >As 3 Sb > As 2 Sb 2 >AsSb 3. A green and efficient vacuum sublimation-graded condensation process for arsenic purification is proposed based on the different diffusion coefficients to obtain the ...

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Process flow chart for the preparation of antimony …

Download scientific diagram | Process flow chart for the preparation of antimony impregnated activated carbon electrode, T o and T f are the initial and final temperatures, respectively. from ...

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Phase Diagram Applications

processing, and performance. 14.1.1 Alloy Design Four examples of the application of phase diagrams to alloy design are given: the development of a basis for age-hardening aluminum alloys, material substitution in two types of wrought stainless steel alloys to reduce costs, and an improvement in the manufacturing process for Fe-Nd-B-base magnets.

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Lab Antimony Beneficiation: Key Processes and Equipment

The laboratory beneficiation process for antimony is a comprehensive and multi-step procedure requiring various specialized equipment. Each stage, crushing, grinding, gravity …

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Schematic diagrams of a) pyrometallurgy and alloying process …

Download scientific diagram | Schematic diagrams of a) pyrometallurgy and alloying process of antimony and copper, b) direct electrochemical desulfurization (our work), and c) the reduction of ...

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THE REMOVAL OF COBALT FROM ZINC SULPHATE …

THE COPPER-ANTIMONY PROCESS by Richard W. Lew B.Sc, The University of British Columbia, 1985 B.A.SC., The University of British Columbia, 1990 A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF ... Diagrams 97 APPENDIX E - X-ray Analysis and Resolution 98 page ill . LIST OF TABLES

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Phase diagram lead-antimony

Chemical substances, components, reactions, process design ... Articles Figures Tables About. Phase diagram lead-antimony The lead-antimony system has the simple eutectic type of phase diagram (Fig. 15.7). The regions are labeled L …

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Antimony in the metallurgical industry: A review of its …

Antimony (Sb) is an impurity element that is increasingly encountered in the mineral processing/metallurgical industries of gold, copper and lead. Its occurrence in metallurgical …

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