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The invention relates to a method for processing lateritic oxidised nickel ore containing nickel cobalt and iron The method for processing comprises preparing a ferronickel raw material ferronickel bloom or a cast iron admixture with nickel by appropriate techniques and refining the ferronickel raw material in a lateral blast furnace
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The raw materials such as nickel ore bituminous coal and sodium sulfate were crushed into 100 mesh It was mixed homogenously and pelletized into10 15 mm of diameter The reduction process was carried out in a muffle furnace at 950 °C to 1250 °C for 60 min
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The method comprises mixing the ore with a solid reducing agent and with fluxing additives briquetting the resultant mixture a reduction firing of the briquetted charge in tubular rotary
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However most of the expansion in nickel production capacity over the next years will come from processing of lateritic ores [ 1 ] Chemical and mineralogical compositions of laterites from different origins and depths can vary quite significantly thus requiring different alternatives in the metallurgical process [ 2 ]
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They account for 73% of the continental world nickel resources and will be in the future the dominant source for the mining of nickel Video encyclopedia Flashback Categories Lateritic nickel ore deposits 2 33 Advanced Processing of Lateritic Ore 0 27 Nickel Laterite Dust Pelletizing 1 57 The unique Ni Co lateritic deposits of Guatemala 1 14
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The Murrin Murrin and Ravensthorpe projects also in Western Australia are the only producing lateritic nickel operations in Australia Table 4 outlines key differences in the two major types of nickel ore Table 4 Production from nickel ore types Adapted from Ehrlich 2024 8 and Mudd 2024 9
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Lateritic nickel ore develops by long lasting weathering of the parent rock and particularly occurs in tropical areas with a repetition of wet and dry seasons The majority of the world s nickel resources are contained in these laterites and account for a large proportion of the world s nickel production The main areas in the world with the largest nickel laterite sources are New
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There are all sorts of efforts going into coming up with improved nickel production from lateritic ore both pyro and hydro metallurgical but they all face the same problem low grade and low nickel extraction selectivity which combine to increase costs
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lateritic nickel ore processing processing nickel laterite ore without pyrometallurgy laboratory 4 apr 2024 could we process laterite ore into nickel pig iron without using pyrometallurgical treatment can someone gives me an explanation with for nickel in the 90s or til depth us do partcentration of nickel sulphide ore in the world continues to provide an ideal
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The invention relates to a method for processing lateritic oxidised nickel ore containing nickel cobalt and iron The method for processing comprises preparing a ferronickel raw
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Existing ore reserves The Cerro Matoso mine has the highest grade lateritic nickel deposits in the world With exploration rights over 77 000ha in the main part of the Colombian nickel belt Cerro Matoso has mining concessions containing reserves capable of sustaining the current level of production for at least 20 years Mining and processing
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The goethite dehydroxylation process for limonitic nickel ore is the highest dehydroxylation process compared to other lateritic nickel ore types It occurs at temperatures of 261270C while the removal of the hydroxyl group in the limonite nickel ore occurs at a temperature of
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Multivariate block simulations of a lateritic nickel deposit The problem of non additivity of the selection variable—the additive variables used for estimation metal accumulation and ore tonnage are not the ones used to establish the selection at the mining stage SMU nickel grade which is the ratio of accumu
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Nickel production is a very important activity for the European Union because nickel is a unique constituent of stainless steel Europe has lateritic oxidic ore deposits along a very well known belt starting from the Alps and ending to the Himalayas The lateritic belt passes through western Balkans and Greece and continues through Turkey to
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The process as described in claim 1 wherein the nickeliferous lateritic ore has an iron content between about 12 and 34% 4 The process as described in claim 2 wherein a solid reductant is incorporated in the agglomerates to provide the agglomerates with a total reductant addition between about 4 and 8% based on the weight of the ore 5
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A Cone crusher is the best machine to crush nickel ore The lamination crushing principle makes the particle shape of the product even and excellent In the process a primary cone crusher can reduce the material size to 5 inches and then a short head cone crusher makes a further reduction to 1/2 in size
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The hydrometallurgical processing of nickel lateritic ores begins with S et al Hydrometallurgical processing of nickel lateritic ores pp 1033 1047 an acidic solution Dry Haris 2024 35 The dominant acid so far has been sulphuric acid but research work has been published on the process using hydrochloric acid or nitric acid
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The extraction of nickel from ore follows much the same route as copper and indeed in a number of cases similar processes and equipment are used The major differences in equipment are the use of higher temperature refractories and the increased cooling required to accommodate the higher operating temperatures in nickel production The specific processes taken depend on whether the ore is a
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Lateritic Ore Processing Lateritic ores have a high percentage of free and combined moisture which must be removed Drying removes free moisture chemically bound water is removed by a reduction furnace which also reduces the nickel oxide Lateritic ores have no significant fuel value and an electric furnace is needed to obtain the high temperatures re quired to accommodate the high
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The Moa Bay lateritic deposits contain ore that is high in iron and also relatively rich in cobalt The processing of this ore is accomplished through pressure leaching with sulfuric acid The key step in this process is the separation of nickel and cobalt from iron Iron which typically constitutes 50% of the ore is separated by
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Nickel Ore Mining Process Nickel lateritic ore are formed during lateritic weathering of ultramafic and mafic igneous rocks peridotites serpentinites pyroxenites and gabbros Today 40 of the world Ni production originates from and 54 of the total reserves are found in laterites [1] Sulfide deposits and oxide ores are the two main resource of nickel Current world nickel market depends
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Nickel laterites are generally mined via open cut mining methods with ore extracted via some form of hydrometallurgy process with two main process routes high pressure acid leach HPAL and for some types of limonite type nickel laterites heap leach SX EW process routes are viable HPAL Processing
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The future trend is expected to involve the processing of laterites which account for about 70% of the world s nickel resources by means of efficient pressure acid leaching and SX EW facilities Large quantities of laterites are found in Australia Cuba Indonesia New Caledonia and the Philippines
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The development of an environmentally friendly energy conserving and economical bioprocessing of low grade nickel ore laterite is essential in the sustainability of the nickel industry About
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1 A D Dalvi W G Bacon and R C Osborne Past and future of nickel laterite Proceedings of PDAC 2024 Trade Show Investor Exchange 2024 Google Scholar 2 A Jones Enhanced metal recovery from a modified Caron leach of mixed nickel cobalt hydroxide PhD Thesis of Applied Chemistry and Mineral Science MurdochUniversity 2024
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CN 102776357 A chemical patent summary
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The Lateritic Nickel Ore Deposits This process is experimental and the keywords may be updated as the learning algorithm improves Get Price OPTIMIZATION OF NICKEL EXTRACTION FROM LATERITIC ORE extraction of nickel from lateritic ore in hydrochloric acid solution with hydrogen peroxide applied as the Caron process HPAL High pressure acid leaching
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precipitation DRLP process in the presence of a basic additive Materials and method The lateritic ore sample taken from Caldag Manisa in Turkey was used in the tests Chemical analyses of the lateritic ore sample and other details were presented elsewhere Basturkcu and Acarkan 2024 It was presented there that nickel was present in
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Processing low grade lateritic nickel ore with less than 2% nickel content consumes many times more energy than higher grade ores such as nickel sulphides widely used outside Indonesia It also produces waste that can impact the local environment if not properly disposed of Chinese nickel projects could produce millions of tonnes of waste
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This study was conducted to investigate the effect of palm shell charcoal reductant in the selective reduction of nickel ore with the addition of additive at various temperatures and times In this present work 10 wt % of sodium sulfate as additive and 5 10 15 wt % of palm shell charcoal as reductants were used The reduction of nickel ore was performed at 950oC 1050oC and 1150oC for 60
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