SALGI
Pomalaa limonite nickel ore has nickel content of 129 and it has not been processed in Indonesia until now In addition The Minister of Energy and Mineral Resources Regulation No5/ on adding the value of minerals Therefore the limonite nickel ore should be processed to produce nickel metal with the content The limonite nickel ore generally has low nickel content less than 1 SeparatIon of Iron nIckel alloy nugget froM lIMonItIc laterIte ore uSIng Self reductIon p Ju k ryom k Hong Kim Chaek University of Technology Department of Metallurgical Engineering Pyongyang Democratic People’s Republic of Korea Received 09 July
立即联系/Live Chat
The presence of carbon in the selective sulphidation of limonitic nickel ores using sulphur was analyzed by thermodynamics and phase transformation Limonite nickel ores were mixed with 5 sulfur and 4 lignite coal and were formed with pelletizer roasted at 176 C for 1 hour heating rate 10 176 C/min Extraction of nickel and cobalt from nickeliferous limonitic laterite ore using borax containing slags July International Journal of Mineral Processing 167 DOI /jminpro
立即联系/Live Chat
The kinetic study of limonitic low grade nickel ore leaching using hydrochloric acid To cite this article H S E A Gustiana et al IOP Conf Ser Mater Sci Eng 478 View the article online for updates and enhancements This content waslimonitic nickel ore leaching using hydrochloric acid S Oediyani 1 U Ariyanto and E Febriana2 1Metallurgical Engineering Department Faculty of Engineering Sultan Ageng Tirtayasa University Cilegon Indonesia 2LIPI Serpong Indonesia E mail s
立即联系/Live Chat
Keywords nickel recovery laterite ore leaching calcination kinetics 1 Introduction Nickel is an important metal used for a wide variety of applications The world’s various deposits of nickel are in the forms of sulfide and oxide laterites or Currently theMinerals 7 176 3 of 21 Figure 1 Simplified flowsheet of the current commercial production methods for the extraction of nickel from nickeliferous limonitic laterite ores adapted from previous work by Dalvi et al 1 3 Previous Experimental Research 31
立即联系/Live Chat
Lateritic nickel ore deposits are surficial weathered rinds formed on ultramafic rocks They account for 73 of the continental world nickel resources and will be in the future the dominant source for the mining of nickelLimonitic laterite contains low iron and nickel grades and much high smelting minerals and loss on ignition LOI identified as refractory iron ore for sintering Thus sinter pot tests of limonitic laterite via pressurized densification sintering and its intensification mechanism were conducted and the industrial application prospect was explored The results indicate that the sintering
立即联系/Live Chat
Limonitic laterite contains low iron and nickel grades and much high smelting minerals and loss on ignition LOI identified as refractory iron ore for sintering Thus sinter pot tests of limonitic laterite via pressurized densification sintering and its intensification mechanism were conducted and the industrial application prospect was explored The results indicate that the sintering Minerals 10 701 2 of 12 ore is more amenable to utilization via the pyrometallurgical route In this context the limonite ore becomes overburden and is generally underutilized During recent decades several studies on nickel extraction from limonitic laterite
立即联系/Live Chat
Abstract Limonitic laterite contains low iron and nickel grades and much high smelting minerals and loss on ignition LOI identified as refractory iron ore for sintering Thus sinter pot tests of limonitic laterite via pressurized densification sintering and itslimonitic nickel ore leaching using hydrochloric acid S Oediyani 1 U Ariyanto and E Febriana2 1Metallurgical Engineering Department Faculty of Engineering Sultan Ageng Tirtayasa University Cilegon Indonesia 2LIPI Serpong Indonesia E mail s
立即联系/Live Chat
10/10/ 32 Low temperature smelting of the limonitic ore was successful in extracting nickel and cobalt into a convertible sulfidic matte The experimental conditions are given in Table 4 The effect of adding carbon and sulfur as well as various flux materials are described in the following sectionsMinerals 10 701 2 of 12 ore is more amenable to utilization via the pyrometallurgical route In this context the limonite ore becomes overburden and is generally underutilized During recent decades several studies on nickel extraction from limonitic laterite
立即联系/Live Chat
Sivrihisar limonitic nickel laterite ore was found to be readily leachable It was found that 954 of Ni and 915 of Co were extracted at the optimized conditions of 235oC 023 acid/ore ratio in 60 minut The real pregnant leach solution produced at the No780 06/11/15 To the Members Dear Sirs Philippine Liquefaction of Nickel Ore Title Please let us refer you to our circular no 10 026 dated 1 st Feb “Indonesia and the Philippines Safe Carriage of Nickel Ore Cargoes” There has been increase of
立即联系/Live Chat
Minerals 7 176 3 of 21 Figure 1 Simplified flowsheet of the current commercial production methods for the extraction of nickel from nickeliferous limonitic laterite ores adapted from previous work by Dalvi et al 1 3 Previous Experimental Research 31Limonite /ˈlaɪmənaɪt/ is an iron ore consisting of a mixture of hydrated iron III oxide hydroxides in varying composition The generic formula is frequently written as FeO OH nH2O although this is not entirely accurate as the ratio of oxide to hydroxide can vary quite widely Limonite is one of the three principal iron ores the
立即联系/Live Chat
An Analysis of the Fractional Distribution of the Substantial Composition of Limonitic Nickel Ore from Punta Gorda Moa Holguin Cuba G Agyei A H Flores AR Purón Keywords Theory of Separation Fractional Distribution Function Laterite Nickel Abstract An Analysis of the Fractional Distribution of the Substantial Composition of Limonitic Nickel Ore from Punta Gorda Moa Holguin Cuba By G Agyei A H Flores and AR Purón Abstract This paper evaluates the mass and content distribution of the lateritic ore
立即联系/Live Chat
other work 12 13 on the limonitic laterite ore nickel is rich in goethite accompanied by intergrowth of silicate minerals This is also evident in SEM analysis resulted from Fig 3 h wherein Ni and Si both show weak peaks compared with Fig 3 e The EPMAExtraction of limonite ore using dissolved SO2 ndash air is an alternative hydrometallurgical method for nickel recovery This process is carried out at atmospheric pressure and is shown to have good selectivity of nickel over iron but with a low recovery yield The literature refers to the application of alkali roasting as pretreatment in laterite ore leaching to increase nickel recovery
立即联系/Live Chat
Sivrihisar limonitic nickel laterite ore was found to be readily leachable It was found that 954 of Ni and 915 of Co were extracted at the optimized conditions of 235oC 023 acid/ore ratio in 60 minut The real pregnant leach solution produced at the Laboratory scale smelting of limonitic laterite ore from Central Anatolia greater Warner et al Nonetheless the Ni recovery does not exceed 95 at best because of the high volumes of ferronickel slags Laterites are not amenable to concentration and all the
立即联系/Live Chat