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The method comprises the steps of grinding the polymetallic sulfide ore to produce granules, oxidizing the granules to produce oxidized granules, and chloride leaching the granules using a brine solution including dissolved halogens, as well as chloride and bromide salts. Inventors: Lalancette, Jean-marc (Sherbrooke, CA)
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Copper-lead-zinc polymetallic sulfide ore is an important part of China's non-ferrous metal ore dressing.Due to its complex mineral composition and embedding method,it has always been a major problem to be solved in non-ferrous metal ore dressing.From the perspective of ore composition,grinding process and flotation process,this paper systematically analyzes the …
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A method for treating a polymetallic sulfide ore containing gold or silver, and further comprising a base metal selected from the group consisting of iron, aluminum, chromium, titanium, copper, zinc, lead, nickel, cobalt, mercury, tin, and mixtures thereof, the method comprising: (a) providing a granulated polymetallic sulfide ore containing gold or silver having a particle size of less …
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Abstract:The cassiterite-polymetallic sulfide ore from a concentrator in Guangxi was used as raw material to study the effects of microwave pretreatment on particle size composition, grinding kinetics, specific rate of breakage and grinding machine capacity of ore grinding.It was shown that after microwave pretreatment, the particle size of the grinding …
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A method for treating a polymetallic sulfide ore containing gold and/or silver, and further containing base metals selected from the group consisting of iron, aluminum, chromium, titanium, copper, zinc, lead, nickel, cobalt, mercury, tin, and mixtures thereof, is disclosed. The method comprises the steps of grinding the polymetallic sulfide ore to produce granules, oxidizing …
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with increasing grinding fineness when the content is more than - 0.074 mm 85%. Therefore, a grinding fineness of -0.074 mm 85% was used in the succeeding test. PH ADJUSTMENT TEST OF COPPER/LEAD BULK FLOTATION The flotation of the polymetallic sulfide ore of copper, lead, and zinc is generally suitable at alkaline pH conditions.
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Ore grinding circuit Through the conveyor belt the crushed ore that can be up to 25mm, is sent to the rod mill from the Mill main building ore bunker. The ore is classified in vertical hydrocyclones, the sands of which are delivered to the primary ball mill, which, together with the hydrocyclone, operate in a closed cycle.
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Abstract: The effect of grinding time, dry ore mass fraction and filling rate on the grinding technical efficiency of cassiterite polymetallic sulfide ore were studied. The results showed that the grinding efficiency corresponding to the binary structure of cassiterite and sulfide ore is the best when the grinding time is 8min, the dry ore mass fraction is 65%, and the filling rate is 42%.
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polymetallic ore grinding_Grinding Optimization of CassiteritePolymetallic Sulfide OreDue to the differences in beneficiation methods and mineral properties between cassiterite ore and polymetallic sulfide ore, there is an inherent contradiction Grinding Optimization of Cassi
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The ore was milled to target grinds of 55 %, 60 %, 65 %, 70 % and 75 % passing 75 µm respectively, at a grinding pressure of 600 kPa, air temperature of 300 K. For the benchmarking grind of 65 % passing 75 µm, the ore was also milled using heated air of temperature of 373 K and at elevated grinding pressures of 800 kPa and 1000 kPa.
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The optimal grinding concentration and filling ratio are 65% and 37%, respectively. The response surface prediction and test results are almost identical, with an error of ±2%. Thus, the effectiveness of grinding characterization method is verified. cassiterite polymetallic sulfide ore undergrinding overgrinding characterization
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Polymetallic sulfide ore dressing by flotation The copper, lead, zinc polymetallic sulfide ore has a wide variety of minerals, copper, lead, zinc sulfide. The minerals are closely symbiosis. The dissemination particle size is very uneven. It is easy to float and difficult to separate ore.
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Polymetallic commensal iron ore The polymetallic commensal iron ore is mainly formed of magnetite and hematite or siderite, which are embedded in medium to fine grains. Its gangue rocks include silicate and carbonate minerals or jadeite, etc. And the commensal components are apatite, pyrite, chalcopyrite, and rare earth minerals.
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This ore processing plant is for the flotation of 2 base metals (Cu/Pb/Zn/Co/Ni/etc.) which may or may not contain precious metals. These ore deposits are called polymetallic by geologists and metallurgists. This system allows you to recovery by way of differential or sequential flotatio, the sulphide metals in 2 separate concentrates. Examples include: Copper, Lead, Zinc, Cobalt, …
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Ore grinding is a very important section in concentrators, which provides qualified grain grade materials for the subsequent mining processing operation. Grinding accounts for a great proportion of the basic construction investment of the concentrator, it is also consumed steel and energy high.
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A process for separating Zn from S with high-frequency fine sieve features that high-sulfur multi-metal ore is subjected to crushing, grinding, lead floatation and zinc (sulfur) floatation to obtain coarse zinc concentrate and zinc concentrate, the coarse sulfur is screened out by high-frequency fine sieve, and the residual product is subjected to grinding and floatation to obtain high-grade ...
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Factors Influence Ore Grinding Mill Efficiency. Abstract. The grinding efficiency is the most important parameter to evaluate machine performance. This article discussed the factors that influence grinding efficiency including article size to mill machine,milling medium,slurry rheological properties,underflow ratio,liner,grinding aid etc.
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Mercury flotation is an effective method to recover fine-grained embedded mercury minerals and polymetallic symbiotic ore. Usually one-stage or two-stage grinding, multiple concentrating and scavenging flotation processes. The activator of cinnabar flotation is copper sulfate and lead acetate, and the collectors are xanthate, aerofloat, and so on.
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Due to the differences in beneficiation methods and mineral properties between cassiterite ore and polymetallic sulfide ore, there is an inherent contradiction between cassiterite overgrinding and sulfide ore undergrinding. A method to optimize and characterize the grinding performance is presented in this paper.
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In order to discuss the flotation technology of Kuanping gold silver lead zinc polymetallic ore in Shanxian county, ... The grinding fineness is-0.075 mm, accounting for 70% of the overall distribution. Priority is given to the flotation of galena, followed by that of sphalerite.
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