Calculate the quantities of concentrate, iron ore and flux in order to smelt 1000 kg of copper ore and obtainatte grade of 30 cu andlag with the composition 35 sio 2, 20 cao, 45 feo lete the quantity of cu concentrate lete the quantity of matte lety the quantity of iron ore lete the quantity of slag.Consult Now
The copper concentrate is first sent through the smelting furnace to be heated up to 2,300nd converted into molten liquid. the heated liquid is poured intolagsettling furnace. this step producesombination of matte,ixture of copper, sulfur and iron, and slag,ense, glassy material made of iron, silica, and other impurities.
An experimental study was conducted to elucidate the evolution of size and chemical composition of la caridad copper concentrate particles during oxidation under simulated flash smelting conditions. input variables tested included particle size and oxygen concentration in the process gas. the response variables included the size distributions,.
Figurehows data on the composition of 32 major traded concentrates, with the mineral composition calculated from publicly available assay data which should therefore be considered to be approximate.6 expanding the data to 180 traded concentrates shows an average grade of 27 cu, even though concentrates average only around 5560 copper.
T ableresents the chemical composition of copper concentrates obtained in different. regions and companies from chile. minerals.
Copper recoveries can be made in the leach, the economic necessity of limiting oxidation of sulfur suggests thatultistage leach procedure recovering about 50 per cent per stage is desirable. chalcocite final concentrates, rougher concentrates, and ores were tested. these leached more readily than chalcopyrite concentrate.
When there are no overriding metallurgical issues, producingufficiently high copper concentrate grade is often the focus. often the primary grade control issue relates to iron sulphide minerals since these also float with the copper, diluting copper concentrate grades. this is related asron sulphide mineral levels are usually much.
The set of experiments carried out in the roasting of the mixture of copper concentraterp dust and sulfurrp dust used different ratios of mixtures, temperatures and roasting times. by different techniques, the characterization of the rp dust determined its size distribution, morphology, and chemical and mineralogical composition.
Elemental composition of the copper concentrate was analyzed by icpoes. the sample was crushed and drysieved to different narrow size fractions, namely 150 100, 100 50, 45 32 m. the xrd of concentrate is shown in figure 1. the copper concentrate included chalcopyrite cufes9.56, pyrite fes4.23, hematite fe 3.
Copper concentrate is similar to powder in that it is made up of minute, dry particles of pure substance. concentrate is also useful in any application where high surface areas are desired such as water treatment and in fuel cell and solar applications. nanoparticles also produce very high surface areas. our standard concentrate particle sizes.
The mineral composition of the 3. rd. cleaner concentrate determined by qemscan analysis is shown in table 1. as expected, the major mineral phases are the copper sulphides, with chalcocite predominantly high across all sizes confirminghalcociterich concentrate. some secondary copper minerals were also present e.g.
Green feed ore concentrate produces matte,olten mixture of copper sulfide cu2s, iron sulfide fes, and some heavy metals. converting the matte yieldsighgrade blister copper, with 98.5 to 99.5 percent copper. typically, blister copper is then firerefined in an anode furnace, cast into.
The feed consists of copper concentrate with added silica flux. assays of the concentrate and mineral composition are shown in tablesnd 3. conversion is begun after smelting aboutour in order to build upool of matte and slag and to heat the matte to about 1,250 c. the inner insidefurnace burner is removed and the outsidefurnace.
The results of the roasting experiments indicated that for525 weight ratio of the mixture of the copper concentratepr dust under 700, 15 minutes of roasting time with injection of air, the volatilization of arsenic reached 96 by weight. the arsenic concentration after the roasting process is less than 0.3 by weight.
Copper concentrates motivates this study. cochilcochile. 02 background and contextain technologies cochilcochile source wood et al 2009, jie 2013, yunnan copper 2015, cochilco mineralogical composition affects concentrates market performance.
Transcribed image text in flash smelting process to extract cu, the copper concentrate used has the following composition 66 cufes2 24 fes2 10 sio2 it will form matte as well as slag. according to the chemical analysis, slag contains 40 fe, matte contains 70 cu,e and 22 calculate amount of matte producedmount of so.
A copper salt copper sulfate, cuso4 that frequently is used to assess soil copper bioavailability and phytotoxicity also was included for comparison. results showed that smelter dust, tailing sand, and cuso4 are more likely to be bioavailable and, thus, toxic to plants compared with smelter slag, concentrate, and ore at equivalent total.
What is copper concentrate? although copper occurs naturally inure state, its primarily mined from chalcopyrite, bornite, and malachite. copper ore is extracted from the earth, then converted into copper concentrate, which is then roasted, smelted.
Bioleaching of the bulk copperampndashnickel sulfide concentrate was proposed asethod to remove nickel from it and to obtainoncentrate containing copper as chalcopyrite. this approach is based on the different refractoriness of sulfide minerals in ferric sulfate solutions and oxidation by acidophilic microorganisms. the bulk concentrate.
50 an important challenge related to copper concentrate operations arises from the uncertainty in their element composition. after being mined, copper ores go throughomplex process in which they are transformed into concentrates the.
Particle size the 80 passing size of fresh copper concentrate is expected to be 30ased on pilot plant results ranging from 15 to 50 m. the copper concentrate is expected to age and oxidize during storage thus forming agglomerates and lumps. solubility in water insolubleppearance in color odorless, grayish, slurry or moist powder.
Copper concentrate is similar to powder in that it is made up of minute, dry particles of pure substance. concentrate is also useful in any application where high surface areas are desired such as water treatment and in fuel cell and solar applications. nanoparticles also produce very high surface areas.
Inultiple hearth roaster, copper concentrate of composition cu fes2 33 cu2s 7, fes2 34, sio2 19 and moistures roasted. all iron is oxidized to fe2o3, and 50 of cu oxidizes to cuo and rest to cus. the furnace gases analyze 12 o2 and leaving the furnace at 900k. the roast product is also discharge at 900k. reactans enter at 298k.
Concentrated copper ore un number cas number niosh number 2. composition inorganic ore containing approximately 30 copper. the remaining constituents are mainly iron, sulphur and silica. iron and iron compounds 0.1 45 sulphur compounds nil 22 silicon and silica compounds nil 15 3. hazardous identification.
This paper presents the results of multilinear regression analysis mlra of the slag composition sio2, feo, fe3o4, cao, al2o3 and the content of copper in the matte on resulting copper content in the slag during smelting of the sulfide concentrates in the reverberatory furnace.
Osti.gov journal article evolution of size and chemical composition of copper concentrate particles oxidized under simulated flash smelting conditions. evolution of size and chemical composition of copper concentrate particles oxidized under simulated flash smelting conditions.
Calculate the quantities of concentrate, iron ore and flux in order to smelt 1000 kg of copper ore and obtainatte grade of 30 cu andlag with the composition 35 sio 2, 20 cao, 45 feo lete the quantity of cu concentrate lete the quantity of matte lety the quantity of iron ore lete the quantity of slag.
Concentrated copper ore un number cas number niosh number 2. composition inorganic ore containing approximately 30 copper. the remaining constituents are mainly iron, sulphur and silica. 3. hazardous identification copper concentrate hasow toxicity. inhalation and ingestion should be avoided. 4. first aid measures.
Copper concentrates between countries in gross weight. the report ends withetailed discussion of the minor metals structure and recent trends in the mineral composition of the exports of copper concentrates from chile, the main exporter of copper. copper, copper concentrates, byproducts, hazardous waste, arsenic.
Copper concentrates classification briefing note 30 october 2014 522 the elemental and mineral compositions of 119 copper concentrates, considered as representative of worldwide production, were collected. elemental compositions are dominated by copper, iron and sulfur. these elements are.
Sample analysis after sulphide concentrate roasting, with the aim to determine chemical and phase composition has been done by wet chemical method, xray difraction analysis and sem analysis. 3. results and discussion chemical analysis of samples of sulphide copper concentrate after roasting in process air flow of 24000 m3.