Relevant bibliographies by topics / Nickel ores

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Academic literature on the topic 'Nickel ores'

Author: Grafiati
Published: 4 June 2021
Last updated: 29 July 2024

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Dissertations / Theses on the topic "Nickel ores"

1

Buyukakinci, Ergin. "Extraction Of Nickel From Lateritic Ores." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609291/index.pdf.

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The aim of this study was to extract nickel and cobalt from the lateritic nickel ores of G&ouml<br>rdes region by hydrometallurgical methods under the optimum conditions. Limonitic and nontronitic types of G&ouml<br>rdes lateritic nickel ores were used during experiments. Agitative and column leaching experiments at atmospheric pressure were conducted with various parameters<br>these were duration, temperature and initial sulfuric acid concentration of leach solution. It was shown that in agitative leaching, under the optimum conditions that were determined as 24 hours of leaching at 95&deg<
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2

Kose, Caner Hakki. "Hydrometallurgical Processing Of Lateritic Nickel Ores." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612295/index.pdf.

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The objective of this thesis study is to recover nickel and cobalt at maximum efficiency from column leach liquor of lateritic nickel ores existing in G&ouml<br>rdes region of Manisa by performing various hydrometallurgical methods under the optimum conditions. This column leach solution of nontronite type lateritic nickel ore was initially neutralized and purified from its basic impurities by a two stage iron removal process under the optimum conditions determined experimentally. Then, nickel and cobalt were precipitated in the form of mixed hydroxide precipitate from the purified leach solut
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3

Ho, Elizabeth M. "An electrochemical study of reactions of nickel matte in acid media." Murdoch University, 1998. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20060815.140539.

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Nickel matte is a nickel &de concentrate produced by smelting. It consists mainly of two components: a nickel-copper alloy and heazlewoodite (Ni3S2); but also contains varying amounts of djurleite,Cu 1.96 S.There are several hydrometallurgical routes for processing nickel matte. The most recent of these involves an oxidative leach in acid chloride or sulfate solution. Nickel is subsequently recovered fiom the leach solution by electrowinning or by hydrogen reduction. In the work described in this thesis, various aspects of the acid leaching of nickel matte are investigated using mostly electro
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4

Ho, Elizabeth M. "An electrochemical study of reactions of nickel matte in acid media." Thesis, Ho, Elizabeth M. (1998) An electrochemical study of reactions of nickel matte in acid media. PhD thesis, Murdoch University, 1998. https://researchrepository.murdoch.edu.au/id/eprint/98/.

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Nickel matte is a nickel sulfide concentrate produced by smelting. It consists mainly of two components: a nickel-copper alloy and heazlewoodite (Ni3S2); but also contains varying amounts of djurleite, Cu1.96S. There are several hydrometallurgical routes for processing nickel matte. The most recent of these involves an oxidative leach in acid chloride or sulfate solution. Nickel is subsequently recovered fiom the leach solution by electrowinning or by hydrogen reduction. In the work described in this thesis, various aspects of the acid leaching of nickel matte are investigated using mostly ele
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5

Weatherwax, Trent. "Integrated mining and preconcentration systems for nickel sulfide ores." Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/238.

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As part of a strategic research initiative at UBC to design and evaluate integrated underground mining and mineral processing systems, work has been done to determine how to utilize the coarse rejects of pre-concentration in the underground environment. An amenability study for nine orebodies from four of Xstrata Nickel’s Ontario operations evaluated both processing and waste disposal methods. Metallurgically the orebodies showed amenability to dense media separation and conductivity sorting. The dense media results showed high mass rejections and high metal recoveries for all nine orebodies
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6

Giovenazzo, Danielle. "Géologie et caractéristiques géochimiques des minéralisations Ni-Cu-EGP de la région de Delta, ceinture de Cape-Smith, Nouveau-Québec /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1991. http://theses.uqac.ca.

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7

Nimah, Ulfa. "Investigation of Secondary Reactions in Bioleaching of Nickel Laterite Ores." Thesis, The University of Sydney, 2019. http://hdl.handle.net/2123/21124.

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This thesis investigated the impact of secondary reactions; adsorption and precipitation, on nickel and cobalt recovery from bioleaching of nickel laterite ores. Although bioleaching is considered an ecologically and energy friendly technique to process laterite ores, low recoveries of target metals have inhibited its commercialisation. The secondary reactions occurrence in bioleaching of limonite, fresh and weathered saprolite ores was verified by performing chemical leaching tests using sulphuric and citric acid that would be generated by chemolithotrophs and heterotrophs respectively. The f
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8

Gaw, Daryl Corbin. "Manganese Removal from Sulfuric Acid Leach Solutions of Nickel Laterite Ores." Thesis, Curtin University, 2020. http://hdl.handle.net/20.500.11937/81026.

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An oxidative precipitation technique using potassium permanganate was explored for the removal of manganese from pregnant leach solution (PLS) generated from the pressure acid leaching (PAL) of nickel laterite ores. The results revealed that the right combination of pH and molar ratio is important in order to achieve maximum removal of manganese (II) with minimum nickel (II) and cobalt (II) losses.
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9

Chang, Xiangning. "Short term sublethal studies in rats exposed to nickel subsulfide and nickel ore : effects on oxidative damage, antioxidant and detoxicating enzymes /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ55491.pdf.

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10

Thériault, Robert. "Influence de l'assimilation de roches sédimentaires encaissantes sur l'origine des gisements de Cu-Ni-EGP de l'intrusion de Partridge River, complexe de Duluth, Minnesota /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1999. http://theses.uqac.ca.

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