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ISO 10251:2006(en), Copper, lead, zinc and nickel concentrates
网页This International Standard specifies methods for the determination of moisture content of a lot of copper, lead, zinc or nickel concentrate, defined as the percentage mass loss of the moisture test portion under the conditions of drying specified in this document.
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Effect of Air Temperature on Copper Concentrate Filtration
网页2022年5月24日The cake formation time increases slightly from 163 (s) at 24 °C to 184 (s) at 60 °C, which is consistent with the small effect of heat in a one-phase water–air flow.
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Moisture effect on the combustion of a single copper
网页A mathematical model has been presented to study the combustion of a single copper concentrate particle with high moisture content. By using the presented model, the
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Copper Ore an overview ScienceDirect Topics
网页The thickened concentrate slurry is treated in vacuum disc filters to remove water. The powder concentrate contains about 10%–12% moisture. The moisture content in
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Handling guide for copper concentrate in bulk
网页We understand in the case of the copper concentrate cargo, certification provided by shippers/producers left a lot to be desired in respect of details of flow point, moisture content, transportable moisture limit, stowage
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Copper Concentrates Cargo Handbook the world's
网页Copper concentrates are then submitted to a final filtration and drying process to decrease the humidity to 8-9%. Production Process Mainly copper goes through different stages and degrees of refinement, to a
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Effect of Air Temperature on Copper Concentrate Filtration
网页2022年5月1日The fundamental phenomenon in cake formation and expression is a one-phase flow (water) through a porous bed of solid particles (the cake), while in blowing it
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Moisture effect on the combustion of a single copper
网页2014年3月11日A mathematical model has been presented to study the combustion of a single copper concentrate particle with high moisture content. By using the
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Copper Concentrates Cargo Handbook the world's
网页The concentrates from different regions have approximately between 24% up to 36% of copper. Copper concentrates are then submitted to a final filtration and drying process to decrease the humidity to 8-9%.
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Effect of Air Temperature on Copper Concentrate Filtration
网页2022年5月24日A significant effect of temperature on blowing time can be observed. As the air temperature increases, the blowing time needed to reach 10% humidity decreases dramatically. At 24 °C, the required blowing time is 365 s, which is reduced in 5% if air at 30 °C is used, in 54% at 40 °C, in 68% at 50 °C, and in 75% at 60 °C.
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Evolution of Size and Chemical Composition of Copper
网页2018年1月31日Vaarno et al. used two-wavelength pyrometry techniques to conduct simultaneous measurements of size and temperature of copper concentrate particles as they underwent oxidation in a laminar-flow reactor. In all cases, the moisture content was found to be less than 1 pct by weight, which was suitable for the oxidation tests.
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Effect of Air Temperature on Copper Concentrate Filtration
网页2022年5月1日Northgate Patino Mines produces a copper concentrate assaying 22% Cu. Moisture content of the product averages 12. 5% H//2O when dewatering with conventional vacuum disk filters.
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Handling guide for copper concentrate in bulk
网页Sphere-shaped pebbles 75% copper with lead, tin, zinc, traces of others. Moisture content 1.5% approximately. Light grey colour when dry, dark green when wet. We understand in the case of the copper
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Comparison of environmental performance of modern
网页2021年12月1日The total energy demand of the treatment at constant copper grade of 27% Cu in the concentrate as function of treatment capacity is shown in Fig. 2. Fig. 3 shows the climate change as carbon dioxide equivalent per ton of produced copper in blister as function of concentrate treatment capacity with constant copper grade in the
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Moisture effect on the combustion of a single copper
网页2013年8月25日A mathematical model has been presented to study the combustion of a single copper concentrate particle with high moisture content. By using the presented model, the effect of particle moisture content on particle temperature, sulfur oxidation, and combustion heat generation has been evaluated. The mineralogical composition of the
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Moisture effect on the combustion of a single copper
网页A mathematical model has been presented to study the combustion of a single copper concentrate particle with high moisture content. By using the presented model, the effect of particle moisture content on particle temperature, sulfur oxidation, and combustion heat generation has been evaluated.
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Copper Sulphide Concentrate Drying 911 Metallurgist
网页We produce a sulphide copper concentrate at moistures ranging from 11-13% on average but require a moisture of no more than 10.6% for shipment (and of course would like to achieve even lower moistures in order to save on shipping costs).
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Moisture effect on the combustion of a single copper
网页2014年3月11日A mathematical model has been presented to study the combustion of a single copper concentrate particle with high moisture content. By using the presented model, the effect of particle moisture content on particle temperature, sulfur oxidation, and combustion heat generation has been evaluated. The mineralogical composition of the
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(PDF) Reaction mechanism and kinetics of sulfide
网页2017年9月30日According to Mitovski et al. (2017), chalcopyrite decomposes at 385°C to yield copper sulfide (Cu 2 S) and iron sulfide (FeS) but these appear to exist only in a limited temperature range to...
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Evolution of Size and Chemical Composition of Copper
网页2018年1月31日Vaarno et al. used two-wavelength pyrometry techniques to conduct simultaneous measurements of size and temperature of copper concentrate particles as they underwent oxidation in a laminar-flow reactor. In all cases, the moisture content was found to be less than 1 pct by weight, which was suitable for the oxidation tests.
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Effect of Air Temperature on Copper Concentrate Filtration
网页2022年5月1日Northgate Patino Mines produces a copper concentrate assaying 22% Cu. Moisture content of the product averages 12. 5% H//2O when dewatering with conventional vacuum disk filters.
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Comparison of environmental performance of modern
网页2021年12月1日Introduction Copper is considered as an enabler to a greener future and, therefore, the environmental impact of its production is of high interest. The world copper mine production was about 20 million tonnes in 2018 and the average growth rate has been 2% ( ICSG, 2019 ).
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Moisture effect on the combustion of a single copper
网页A mathematical model has been presented to study the combustion of a single copper concentrate particle with high moisture content. By using the presented model, the effect of particle moisture content on particle temperature, sulfur oxidation, and combustion heat generation has been evaluated.
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Options for Concentrate Drying Technologies when
网页In primary copper smelters, the received copper concentrate and other materials contain a certain amount of moisture, ranging from six to 14 per cent.
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COPPER Copper production TU Delft
网页After sedimentation in thickeners and filtration in automatic filter presses or vacuum filters (ceramic disk) the typical copper concentrate contains 25 35 % Cu and about 8 % moisture. The moisture content of the concentrate is a compromise between transporting water (cost) and avoiding dust generation during transport.
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A new mathematical model for copper concentrate
网页2015年3月19日Hassan Zaim E, Mansouri SH, Arab Solghar A. Moisture effect on the combustion of a single copper concentrate particle in a flash smelting furnace. Int J Min Met Mater 2014; 21: 251–258. Crossref
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(PDF) Reaction mechanism and kinetics of sulfide
网页2017年9月30日According to Mitovski et al. (2017), chalcopyrite decomposes at 385°C to yield copper sulfide (Cu 2 S) and iron sulfide (FeS) but these appear to exist only in a limited temperature range to...
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Removal of Metallic Impurities from Off-Grade
网页These optimum conditions were sodium hydroxide 1.5 mol/L, hydrogen peroxide 1.0 mol/L, temperature 50°C, liquid to solid ratio 5/1 mL/g and leaching time 5 h. Keywords Copper Concentrate, Impurities, Removal,
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Nickel processing Extraction, Concentrate, and
网页Nickel requires higher smelting temperatures (in the range of 1,350 °C [2,460 °F]) in order to produce an artificial nickel-iron sulfide known as matte, which contains 25 to 45 percent nickel. In the next step, iron in the
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