recovery of lead sulfide ore
Recovery of Silver, Gold, and Lead From a Complex
RECOVERY OF SILVER, GOLD, AND LEAD FROM A COMPLEX SULFIDE ORE USING FERRIC CHLORIDE, THIOUREA, AND BRINE LEACH SOLUTIONS By R. G. Sandberg 1 and J. L. Huiatt 2
Recovery of silver, gold, and lead from a complex sulfide ...
2021-8-11 · "The Bureau of Mines investigated a hydrometallurgical procedure to recover gold, silver, and byproduct lead from a complex lead-zinc sulfide ore. A ferric
US4101314A - Process for recovery of lead from lead ...
A process of recovery of lead from a lead sulfide concentrate. In this process, a furnace charge is prepared comprising the lead concentrate, a source of
Recovery of silver, gold, and lead from a complex sulfide ...
Recovery of silver, gold, and lead from a complex sulfide ore using ferric chloride, thiourea, and brine leach solutions Item Preview
Recovery of lead, zinc and iron sulfide - The Anaconda
A low grade lead concentrate were prepared from a fine grained massive sulfide lead-zinc ore. Such concentrates contained 29.0% lead, largely in the form of
Process for separation and recovery of metal values from ...
The invention is an improvement in processes for treating sulfide ore concentrates containing lead, silver and zinc sulfides to recover principally silver and
Comprehensive recovery of gold and base-metal sulfide ...
2016-4-5 · The comprehensive recovery of small amounts of valuable minerals such as gold and base-metal sulfide minerals from a low-grade refractory ore was investigated. The
(PDF) Reduction of lead sulfate to lead sulfide with ...
The direct recovery rate of lead bullion was about 61%, and the total recovery rate of lead could reach 99%. The average content of lead, zinc and sulfur in
Recovery of Radiogenic Osmium-187 from Sulfide Copper
2021-8-12 · The fourth type of deposit includes the Zhezkazgan sulfide copper ore deposit in Kazakhstan, see Figure 2, where the authors have discovered radiogenic osmium and
Recovery of silver, gold, and lead from a complex sulfide ...
2021-8-11 · "The Bureau of Mines investigated a hydrometallurgical procedure to recover gold, silver, and byproduct lead from a complex lead-zinc sulfide ore. A ferric chloride (fecl3) preleach, at 40 deg c in 6 h, extracted about 50 pct of the zinc and formed insoluble silver and lead chlorides.
US4101314A - Process for recovery of lead from lead ...
A process of recovery of lead from a lead sulfide concentrate. In this process, a furnace charge is prepared comprising the lead concentrate, a source of elemental iron and a source of available oxygen capable of reacting with the sulfur of the concentrate to form an oxysulfide matte. The relative proportions of the concentrate, source of elemental iron and source of oxygen are such that the ...
Sulfide Oxide Lead Zinc Transitional Ore Treatment ...
2021-4-7 · In each instance the sand fraction was floated for recovery of sulfide and oxide lead using Aerofloat 31 and potassium amyl xanthate as collector for galena and cerussite, respectively. The combined sulfide-oxide concentrate from a sample deslimed by hydrocycloning (table 4) recovered 38.1 percent of the total lead in a concentrate containing ...
Comprehensive recovery of gold and base-metal sulfide ...
2016-4-5 · The comprehensive recovery of small amounts of valuable minerals such as gold and base-metal sulfide minerals from a low-grade refractory ore was investigated. The following treatment strategy was applied to a sample of this ore: gold flotation–gold concentrate leaching–lead and zinc flotation from the gold concentrate leaching residue.
EXTRACTING METALS FROM SULFIDE ORES
The need for a new process to treat Broken Hill ore arose from the depletion of the secondary oxide ore that overlay the major sulfide mineralization. Natural oxidation to form the secondary zone had resulted in a concentration of silver and lead, and ore from this section of the ore-body could be smelted directly.
Recovery of Lead from Lead Oxide Ore from Kazakhstan by ...
The test had been carried out on a lead oxide ore (18.57% Pb) from Kazakhstan, which had a high oxidation ratio (above 95%) and complexly intergrowed with plenty of alkaline gangue minerals such as calcite and dolomite. A joint flowsheet that combined the gravity separation with flotation was developed to recover the lead, during which flowsheet, a new effective slurry regulator was used.
Comparison of Recoveries by Lead Fire Assay and Nickel ...
It was found that for the sulfide ore samples, the recoveries of Au and Pd are sometimes lower by nickel sulfide fire assay than by lead fire assay. Recovery of Re by nickel sulfide fire assay was ...
US5074910A - Process for recovering precious metals from ...
The present invention is a process to recover precious metals from sulfide ores. It involves chlorinating a mixture of an ore concentrate and salt to form a liquid melt. The salt preferably contains potassium chloride. This chlorination is carried out at a temperature between 300° and 600° C. while stirring. The process converts precious metals in the elemental and sulfide forms into ...
Recovery of gold from sulfide refractory gold ore ...
2021-4-1 · The major chemical components of the sulfide refractory gold ore and pyrite are shown in Table 2. The sulfide refractory gold ore (SRGO) contains 30.34% Fe, 22.23% S, 11.19% As, 3.24% Al and 60.25 g/t Au. The total content of Fe, As and S is up to 63% of the sulfide refractory gold ore. The pyrite contains 43.36% Fe
Recovery of Radiogenic Osmium-187 from Sulfide Copper
2021-8-12 · The fourth type of deposit includes the Zhezkazgan sulfide copper ore deposit in Kazakhstan, see Figure 2, where the authors have discovered radiogenic osmium and have thoroughly studied its isotopic composition (2, 11). The research has shown that Kazakhstan has stable raw materials for the production of osmium-187 isotope.
Experiment study on recovering lead and zinc from a ...
2021-3-19 · the content of lead and zinc sulfide minerals such as galena, sphalerite were small. The flotation tailings was used as the research object and the indexes of the lead grade of lead concentrate for 48.30%,the recovery for 65.41%,and the zinc grade of Zinc concentrate for 42.24%,the recovery for 84.69%,. total recovery of silver in lead and zinc
EXTRACTING METALS FROM SULFIDE ORES
The need for a new process to treat Broken Hill ore arose from the depletion of the secondary oxide ore that overlay the major sulfide mineralization. Natural oxidation to form the secondary zone had resulted in a concentration of silver and lead, and ore from this section of the ore-body could be smelted directly.
Comparison of Recoveries by Lead Fire Assay and Nickel ...
We compared the recovery of gold, palladium and platinum by two fire assaying procedures, using nickel sulfide and lead as collectors. The presence of appreciable amounts of sulfide minerals in the sample caused interferences in both procedures. An
Flotation experiment research on a polymetallic sulfide
2021-3-19 · The polymetallic sulfide ore of copper, lead, and zinc is widely found all over the world and is often associated with rare metals such as gold and silver. The economic value of the comprehensive recycling of this of ore is large[1]. The polymetallic sulfide ores of copper, lead, and zinc are usually processed via flotation, and the concentrates of
Recovery of Lead from Lead Oxide Ore from Kazakhstan by ...
The test had been carried out on a lead oxide ore (18.57% Pb) from Kazakhstan, which had a high oxidation ratio (above 95%) and complexly intergrowed with plenty of alkaline gangue minerals such as calcite and dolomite. A joint flowsheet that combined the gravity separation with flotation was developed to recover the lead, during which flowsheet, a new effective slurry regulator was used.
Comparison of Recoveries by Lead Fire Assay and Nickel ...
2007-6-22 · It was found that for the sulfide ore samples, the recoveries of Au and Pd are sometimes lower by nickel sulfide fire assay than by lead fire assay. Recovery of Re by nickel sulfide fire assay was found to be low: the average recovery of five repeated analyses of the reference sample NIST SRM 330 was 9% with a relative standard deviation of 48%.
Mineral Processing and Metallurgical Treatment of Lead ...
Predominant minerals in the oxide ore zone are oxidized minerals of lead and zinc (descloizite, cerussite, willemite, smithsonite) with a minor amount of sulfides, while the sulfide ore zone contains sulfide minerals (galena and sphalerite) predominantly. As main gangue minerals, calcite, dolomite, and some silicates are present in both ore
Recovery of Radiogenic Osmium-187 from Sulfide Copper
2021-8-12 · The fourth type of deposit includes the Zhezkazgan sulfide copper ore deposit in Kazakhstan, see Figure 2, where the authors have discovered radiogenic osmium and have thoroughly studied its isotopic composition (2, 11). The research has shown that Kazakhstan has stable raw materials for the production of osmium-187 isotope.
Recovery of zinc and lead from Yahyali non-sulphide ...
2020-12-18 · Recovery of zinc and lead from Yahyali non-sulphide flotation tailing by sequential acidic and sodium hydroxide leaching in the presence of potassium sodium tartrate Sait KURSUNOGLU 1,Soner TOP, Muammer KAYA2 1. Department of Materials Science & Nanotechnology Engineering, Abdullah Gul University, Kayseri 38100, Turkey; 2.
LEACHING OF LOW-GRADE COPPER ORES: A CASE
2017-6-9 · The highest quantities of copper, lead and zinc in the world are obtained by sulphide ore treatment. The reserves of high-grade ores from which the extraction of non-ferrous, rare and noble metals is technologically and economically feasible are becoming scarcer year by year. At the same time, economic