Laterite Nickel Ore Rotary Kiln Equipment
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- Laterite Nickel Ore Rotary Kiln Equipment
Kinetic analysis on nickel laterite ore calcination using model-free and model-fitting methods. Minerals Engineering, Volume 136, 2019, pp. 129-139. ... The effect of sulfur content of rotary kiln fuel on the composition of nickel laterite calcine. Fuel, Volume 280, 2020, Article 118648.
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The low-grade nickel laterite ore used in this study was successfully upgraded through selective reduction by industrialized rotary kilns followed by magnetic separation. The results indicated that … Expand
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The process of deep reduction and magnetic separation was proposed to enrich nickel and iron from laterite nickel ores. Results show that nickel–iron concentrates with nickel grade of 6.96%, nickel recovery of 94.06%, iron grade of 34.74%, and iron recovery of 80.44% could be obtained after magnetic separation under the …
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2.1 Materials 2.1.1 Nickel laterite ore. The chemical composition of nickel laterite as received from Philippines employed in the study is shown in Table 1.It indicates that the nickel laterite contains 1.29 wt.% Ni, 16.31 wt.% Fe, 32.28 wt.% SiO 2 and 27.38 wt.% MgO with both high Fe/Ni of 12.64 and MgO/SiO 2 of 0.85, while the impurity …
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China's nickel production technology has made significant breakthroughs, with independent intellectual property rights, laterite nickel ore to produce high-quality nickel and iron. The rotary kiln of laterite nickel ore has been successfully developed by Jiangsu Pengfei Group, and this technology has rapidly entered the field of production and ...
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Nickel lateritic rotary kiln for Rotary Kiln-Electric-Furnace(RKEF) process. 180-10000t/h rotary kiln for nickel mining with a low failure rate and low energy consumption. Inquire!
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The rotary kiln-electric furnace (RKEF) process is one of the most efficient ferronickel production technologic route, where the feed is usually pre-reduced in a rotary kiln at 800–950 °C followed by reduction smelting at 1500–1550 °C in an electric furnace for the separation of alloy from slag (Li et al., 2015; Li et al., 2012; Rao et al ...
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They concluded that the slag, flue gas of electric furnace, flue gas of rotary kiln and the sensible heat of laterite ores calcined are valuable for recovery. In fact, part of their suggestions have been applied in the present RKEF process. Norgate et al. [14] presented a life cycle assessment for the energy of nickel laterite processing.
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The low-grade nickel laterite ore used in this study was successfully upgraded through selective reduction by industrialized rotary kilns followed by magnetic separation. The results indicated that both iron metallization extent and nickel metallization extent showed obvious linear correlation. In addition, rational roasting temperature and …
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Semantic Scholar extracted view of "Coprocessing of Stainless-Steel Pickling Sludge with Laterite Ore via Rotary Kiln-Electric Furnace Route: Enhanced Desulfurization and Metal Recovery" by Guanghui Li et al. ... chromium, and nickel recovery from BOF dust, and for simultaneous recovery of zinc and iron from the electric arc … Expand. 52. PDF.
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Large- and Particle-Scale Energy Assessment of Reduction Roasting of Nickel Laterite Ore for Ferronickel Production via the Rotary Kiln-Electric Furnace Process May 2022 Thermal Science and ...
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The efficient extraction of laterite ore can alleviate the contradiction between Ni supply and demand and is of great significance for promoting the sustainable development of the new energy industry. The laterite ore consists of a limonitic ore layer, a transitional layer, and a saprolitic layer from top to bottom [6].
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The pretreatment step is to grind the raw laterite nickel ore, mix it with the carbonaceous material and the flux limestone, and then continuously feed it into the laterite nickel rotary kiln. In the laterite nickel ore rotary kiln, the hot gas generated by the combustion of the material and coal is countercurrently moved and enter into the ...
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DOI: 10.1016/J.POWTEC.2021.08.043 Corpus ID: 238708945; Effective and economical treatment of low-grade nickel laterite by a duplex process of direct reduction-magnetic separation & rotary kiln-electric furnace and its industrial application
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Nickel rotary kiln is the key equipment used in the laterite nickel production line. Laterite nickel rotary kiln is used for nickel-iron reduction. ... From an economic perspective, it is suitable for processing medium to high-grade laterite nickel ores (with a nickel content greater than 2% and cobalt content less than 0.05%), and it requires ...
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Nickel laterite ore is used to produce nickel metal, predominantly to manufacture stainless steel as well as nickel sulfate, a key ingredient in the batteries that drive electric vehicles. Nickel laterite production is on the rise and surpassing conventional sulfide deposits. The efficiency of mining and processing nickel laterites is defined by …
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After drying, crushing, and screening, the laterite-nickel ore of humus soil type is mixed with a fusing agent and a reducing agent and briquetted. The briquetted ore is dried in a …
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Laterite Nickel Ore Rotary Kiln is an ideal equipment for calcining nickel ore, which is mainly composed of kiln head, kiln body, kiln tail, Rotary kiln support frame, preheating tower, cooler, etc., with simple and reasonable structure. Laterite Nickel Ore Rotary Kiln is welded with carbon steel plate. The barrel is supported on the supporting ...
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The topics discussed include smelting laterite concentrates to sulfide matte, extracting nickel and cobalt from sulfide ores, the slow cooling and solidification of converter matte, extracting ...
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In Part 2 of this series on 'Processing nickel' we dig deeper into the specifics of laterites, one of the two main nickel ore types and look at smelting, the most common processing technique. ... the ore is passed to a rotary kiln for further drying and the start of the chemical processing. In the rotary kiln, more heat is added through ...
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The laterite nickel ore is placed in the rotary kiln for drying intervention reduction at a temperature of 650-800 • C, and then placed in the reducing furnace at 1550-1600 • C for smelting ...
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Nickel laterites contain a significant amount of water, making drying an important aspect of processing. A rotary dryer is typically used to remove free moisture from the ore, while bound moisture is removed later via a …
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As one of the most professional laterite nickel ore rotary kiln manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy customized products at …
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Highlights Leaching temperature, leaching duration, sulfuric acid to ore weight ratio and particle size of the limonitic nickel laterite ore were studied. Optimum parameters determined as 255 o C, 0.30 sulfuric acid to ore weight ratio, a particle size of −850μ, 1 h of leaching duration with 30% w/w. 87.3% of Ni and 88.8% of Co in the …
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Rotary kiln-electric furnace (RKEF) smelting is currently the world-wide mainstreaming process for ferronickel production from nickeliferous laterite ore, in spite of the high …
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The primary reason for this is the predominant use of nickel nitrate in NCM material production, which results in higher energy consumption during nickel extraction …
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The primary pyrometallurgical route to produce ferronickel from laterite nickel ores is the Rotary Kiln-Electric Furnace (RKEF) process. In the RKEF process, …
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Nickel and Cobalt Production. Michael S. Moats, William G. Davenport, in Treatise on Process Metallurgy: Industrial Processes, 2014 2.2.3.1 Laterite Ore Upgrading. Laterite ores are upgraded before smelting or leaching. The upgrading entails gently crushing and/or grinding the ore and then separating the resulting small, soft, low-density Ni-rich …
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Laterite nickel rotary kiln is the main equipment for ferronickel production after calcination and smelting of laterite nickel ore. The nickel laterite ore rotary kiln can produce nickel iron by direct reduction method, and it is …
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"Nickel laterite ores account for over 60% of global nickel supply. ... Operation Equipment Hyuga 1 rotary dryer 2 rotary kilns (120 wet t/h each) 2 EF (60 MW, 40 MW) 22 Pamco 1 rotary dryer 3 rotary kilns 3 EF (60 MW each) 80 MW diesel power plant 48 Nippon Yakin 2 rotary kilns Current Capacity kt Ni/yr 13 While the total installed …
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