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Academic literature on the topic 'Nickel sulfide'

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Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Nickel sulfide"

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Wilkin, Richard T., and David A. Rogers. "Nickel sulfide formation at low temperature: initial precipitates, solubility and transformation products." Environmental Chemistry 7, no. 6 (2010): 514. http://dx.doi.org/10.1071/en10076.

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Environmental context Remediation technologies often rely on manipulation of redox conditions or natural redox processes to favour microbial sulfate-reduction and mineral sulfide formation for treatment of inorganic contaminants in groundwater, including nickel. However, few data are available on the structural properties, solubility and mineral transformation processes involving nickel sulfides. These data are needed in order to constrain the long term performance of groundwater remediation efforts. Abstract The formation of nickel sulfides has been examined experimentally over the temperature range from 25 to 60°C. At all conditions studied, hexagonal (α-NiS) was the initial precipitate from solution containing Ni2+ and dissolved sulfide. Freshly precipitated nickel sulfide possesses significant residual Ni–O coordination as revealed by X-ray absorption spectroscopy. With progressive aging, residual Ni–O coordination is replaced by Ni–S coordination. The formation of millerite (β-NiS, rhombohedral) was not detected in any of the synthesis experiments. In the presence of elemental sulfur, hexagonal NiS converted to polydymite (Ni3S4) and vaesite (NiS2). Thus, conversion of nickel monosulfide to thiospinel and disulfide structures appears to be redox dependent, analogous to aging and transformation processes of iron sulfides. In the absence of elemental sulfur or with only hydrogen sulfide or bisulfide present, transformation of hexagonal NiS was not observed after 1680 h at 60°C. Low-pH solubility experiments yielded a solubility product for hexagonal NiS of log Ks0 = –2.69 ± 0.26. Solubility data at pH > 3 suggest that Ni–bisulfide complexation is important in controlling the solubility of Ni in sulfidic solutions.
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Selivanov, Evgeny N., O. V. Nechvoglod, and R. I. Gulyaeva. "Thermal Expansion of Copper and Nickel Sulfides and their Alloys." Defect and Diffusion Forum 334-335 (February 2013): 55–59. http://dx.doi.org/10.4028/www.scientific.net/ddf.334-335.55.

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Thermal expansion coefficients of metal sulfides and their alloys are important for technological processes calculations of sulfide processing materials, for example, the crystallization equipment of nickel and copper-nickel converter matte. The synthesized copper and nickel monosulfide, and nickel and copper-nickel matte have been used as the initial samples. Dilatometric analysis was carried out by dilatometer (Linseis L78 RITA). Differences in the values measured are accounted for by the synthesis samples facilities, the coexistence of several non-stoichiometric sulfide phases and interaction during heating. In the temperature 20-500°C range the coefficients of thermal expansion (α) for the sulfides of copper, nickel and their alloys are changed from 10.4 to 20.610-6 1/K. Changes in the value α are accounted for by phase transitions in sulfide samples at their heating. Considering the properties of the phase components are an additive it is shown the thermal expansion coefficient complex sulfide-metal alloys is possible to calculate.
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Zhang, Ya Hui, Xi Cheng, and Qing Wang. "A Low Temperature Precursor Sulfuration Route to Metal Sulfides Nanomaterials." Advanced Materials Research 148-149 (October 2010): 1404–7. http://dx.doi.org/10.4028/www.scientific.net/amr.148-149.1404.

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A low-temperature precursor sulfuration route has been established to prepare metal sulfides with different nanostructures during the synthesis of nickel sulfide. The advantages of the low-temperature precursor sulfuration route were testified by the synthesis of different metal sulfides ( lead sulfide, zinc sulfide and cobalt sulfide). It offers a novel path to the preparation of other metal sulfides.
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Nechvoglod, Olga V., and Alena G. Upolovnikova. "The study of the phase composition of the products of electrochemical oxidation of sulfide granules of the system Cu1.96S–Ni3S2–Cu–Ni." Butlerov Communications 57, no. 3 (March 31, 2019): 149–54. http://dx.doi.org/10.37952/roi-jbc-01/19-57-3-149.

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The crystallization rate of copper and nickel sulfides influences on the phase formation processes. The high crystallization rate (about 103 degrees/s), achieved through granulation of the sulfide copper-nickel melt, leads to the stabilization of non-stoichiometric phases, the formation of ultrafine structures, which are grains and partial dissolution of the metal component in the sulfide. The structure of the granules is formed by nickel sulfide (Cu1.96S) phases in the form of dendritic inclusions of 2-20 µm in size in the nickel sulfide phase (Ni3S2). According to the phase diagram of the state of Cu – Ni – S, a solid solution of Cu – Ni may be present in the composition of eutectic compounds with copper and nickel sulphides. The electrochemical oxidation of copper and nickel sulfides in a solution of sulfuric acid occurs through a series of successive phase transformations described in the work, during which the conversion of sulfides occurs in intermediate oxidation states oxidizing to the elemental state: Cu1.96S → Cu1.8S → Cu1.75S → CuS → S; Ni3S2 → NiS → S. The non-stoichiometric composition of compounds suggests the presence of excessive or deficient sulfur and metal contents in the crystal lattice, which can affect the mechanism and sequence of phase transformations during the electrochemical oxidation of sulfide granules. Dissolution occurs not only on the surface of the granules, but also along the grain boundaries. The leached areas form capillaries inside the granules, through which electrolyte enters the electrochemical reactions. Porous sulfur sulfide sludge forms on the surface of the granules. The phase composition of the sludge was studied. The main phase components of poorly soluble products are nickel granules Ni3+хS2–Cu2-хS.
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Hartmann, Nathaniel J., Guang Wu, and Trevor W. Hayton. "Activation of CS2 by a “masked” terminal nickel sulfide." Dalton Transactions 45, no. 37 (2016): 14508–10. http://dx.doi.org/10.1039/c6dt00885b.

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Activation of carbon disulfide (CS2) by “masked” terminal nickel sulfide, [K(18-crown-6)][(LtBu)Ni(S)], gives a trithiocarbonate complex. This result confirms the nucleophilicity of the sulfide ligand and expands the scope of reactivity for late metal sulfides.
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Pan, Yuan, Yinjuan Chen, Xiao Li, Yunqi Liu, and Chenguang Liu. "Nanostructured nickel sulfides: phase evolution, characterization and electrocatalytic properties for the hydrogen evolution reaction." RSC Advances 5, no. 127 (2015): 104740–49. http://dx.doi.org/10.1039/c5ra18737k.

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Nanostructured nickel sulfides with different phases were synthesized and their electrocatalytic activity for hydrogen evolution was investigated. β NiS exhibits the best catalytic activity among all the nickel sulfide catalysts.
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LU, PAI, and DONGFENG XUE. "EMULSION-ASSISTED SYNTHESIS OF NICKEL SULFIDE HIERARCHICAL ARCHITECTURES." Modern Physics Letters B 23, no. 31n32 (December 30, 2009): 3843–49. http://dx.doi.org/10.1142/s0217984909021909.

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We herein demonstrated the preparation of nickel sulfide hierarchical architectures via an emulsion-assisted route in hydrothermal system. Scanning electron microscope images of the products at different reaction stages indicated that the construction of the nanostructured hierarchical nickel sulfide was accomplished through oriented attachment accompanied by an encapsulation procedure, and the as-obtained products exhibited uniform architectures assembled by various primary units (e.g. nanorods, nanosheets). In addition, the effect of different surfactants on the shape of nickel sulfide nanostructures was further studied. The results indicated that the hierarchical architectures can only be achieved with the assistance of anionic surfactant (e.g. sodium dodecyl sulfate). These as-prepared novel hierarchical nanostructures may be used in various areas, including industrial catalysis, and energy storage etc.
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Zhang, Ya Hui, and Qing Wang. "The New Progress of Nickel Sulfide Synthesis." Advanced Materials Research 366 (October 2011): 318–21. http://dx.doi.org/10.4028/www.scientific.net/amr.366.318.

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Nickel sulfide has been the subject of considerable interest because of its potential applications in many fields. In this paper, the synthesis of nickel sulfide nanostructures is described. The Morphologies of as prepared nickel sulfide nanostructures are summarized. And the applications and prospects of nickel sulfide in this field also are analyzed.
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Kim, Jong Seon, Gun Whan Lee, Ki Won Kim, Jou Hyen Ahn, Gyu Bong Cho, Ho Suk Ryu, and Hyo Jun Ahn. "The Discharge Properties of Nickel Sulfide Thin Film Prepared from Sulfidation of Nickel Foil." Materials Science Forum 544-545 (May 2007): 1073–76. http://dx.doi.org/10.4028/www.scientific.net/msf.544-545.1073.

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The nickel sulfide (Ni3S2) thin film could be prepared from Ni/S double layer, which was deposited on nickel foil using evaporation and sputtering. The nickel sulfide electrode was discharged and charged between 0.6V and 2.6V versus Li/Li+ at room temperature. The nickel sulfide film had the first discharge capacity of 270mAh/g, and two plateaus at 1.3V and 1.8V.
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Fortin, D., G. Southam, and T. J. Beveridge. "Nickel sulfide, iron-nickel sulfide and iron sulfide precipitation by a newly isolated Desulfotomaculum species and its relation to nickel resistance." FEMS Microbiology Ecology 14, no. 2 (June 1994): 121–32. http://dx.doi.org/10.1111/j.1574-6941.1994.tb00099.x.

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Dissertations / Theses on the topic "Nickel sulfide"

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Huang, Shanshan. "Nanoparticulate nickel sulfide." Thesis, Cardiff University, 2008. http://orca.cf.ac.uk/54754/.

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Nickel sulfide possesses a variety of typical structures and stoichiometries that distinguish itself from iron sulfide and exhibits unique roles in the prebiotic reactions which are proposed to be involved in the origin of life. Nickel sulfide precipitate is hydrated and nanocrystalline, modelled as a 4 nm sphere with a 1 nm crystalline and anhydrous NiS (millerite) core, surrounded by a hydrated and defective mantle phase. It is a metastable but fairly robust structural configuration. It may be formulated as NiSxFbOx approximates to 1.5 and decreases on heating. The fresh nanoparticulate nickel sulfide precipitates undergo structural transformation from the initial millerite-like NiS to the more crystalline polydymite-like Ni3S4. This reaction is accompanied by the formation of a less crystalline Ni3S2 (heazlewoodite) phase. The reaction, happening in ambient conditions, occurs more readily for the solids precipitated from acidic environments (i.e., pH 3) and may be facilitated by the hydrogen and water bonding contained in this material. The performance of nickel sulfide and iron sulfide precipitates is investigated in the formaldehyde world under ambient and sulfidic environments which mimic the ambient ancient Earth environments to some extent. The catalytic capacity of the metal sulfides is not obvious in these experiments. An interesting finding is that, trithiane, the cyclic (SCH2)3, also suppresses the pyrite formation and thus promotes the greigite formation in the reaction between FeS and H2S. This provides another cause for the greigite formation in the Earth sedimentary systems and adds information to the origin-of-life theory in the iron sulfur world. Voltammetry experiments reveal that the nickel-cysteine complex lowers the overpotential for molecular H2 evolution in sea water to -1.53 V under ambient conditions. This catalytic property of the abiotic nickel-cysteine complex apparently mimics the Ni-S core in some hydrogenase enzymes functioning in physiological conditions. This bridges the abiotic and biotic worlds and supports the idea that life originated in the prebiotic ancient ocean.
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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. Conductivity sorter results were not as consistent, but still showed good results. Dense media rejects were examined to determine the applicability of their use in rockfills and composite minefills. The geotechnical properties indicated that the rejects would provide a competent material for minefills. The mix designs were examined for both strength and rheological properties and showed that fills utilizing rejects were comparable to fills currently used by industry. Composite fills containing rejects had significantly lower void ratios, decreasing cement requirements for a given strength requirement. Conceptual designs for pre-concentration systems based on the metallurgical, reject characterization, and mix design were developed for each of the four mines in the study. The designs took into consideration the current mining plans.
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Lane, Monica Leonie. "Nickel sulphide mineralization associated with Archean komatiites." Thesis, Rhodes University, 1992. http://hdl.handle.net/10962/d1005594.

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The distribution of Archean Nickel sulphide deposits reflects tectonic controls operating during the evolution of the granitoid greenstone terrains. Important deposits of komatiitic-affinity are concentrated within, and adjacent to, younger (∼2.7 Ga), rift-related greenstone belts (e.g. Canada, Western Australia and Zimababwe). Two important classes of Archean Nickel sulphide deposits exist, formerly known as "Dunitic" and "Peridotitic", these are now referred to as Group I and Group II deposits, based on their characteristic structure and composition. Mineralization varies from massive and matrix to disseminated, and is nearly always concentrated at the base of the host unit. Primary ores have a relatively simple mineralogy, dominated by pyrrhotite-pentlandite-pyrite, and to a lesser degree millerite. Metamorphic grades tend to range from prehnite-pumpellyite facies through to lower and upper amphibolite facies. Genesis of Group I and II deposits is explained by the eruption of komatiites into rift-phase greenstone belts, as channelized flows, which assimilated variable amounts of footwall rocks during emplacement. Sulphide saturation was dependent on the mode of emplacement and, the amount of sulphidic sediments that became assimilated prior to crystallization. This possibly accounts for variations in ore tenor. The Six Mile Deposit (SMD) in Western Australia, is an adcumulate body of the Group IIB-type, exhibiting disseminated mineralization. The ore has been "upgraded" due to hydration and serpentinization. A profound weathering sequence exists, which was subsequently utilized during initial exploration. Exploration techniques has been focused on Western Australia, as it is here that the most innovative ideas have emerged.
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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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Zhang, Liping. "Hydrodenitrogenation of organonitrogen compounds over nickel-molybdenum sulfide and Molybdenum nitride catalysts /." The Ohio State University, 1996. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487942739805674.

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Ji, Yijie. "Metal Organic Frameworks Derived Nickel Sulfide/Graphene Composite for Lithium-Sulfur Batteries." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron152233332526446.

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Tong, Libin. "Sulfur dispersing agents for nickel sulfide leaching above the melting point of sulfur." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/3427.

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The effects of sulfur dispersing agents (SDAs) in the oxygen pressure leaching of nickel concentrate at medium temperature were investigated. Liquid sulfur-aqueous solution interfacial tensions and liquid sulfur-sulfide mineral contact angles were measured at 140ºC, 690 kPa overpressure by nitrogen, and 1.0 mol/L NiSO₄. The effects of SDAs including lignosulfonate, Quebracho, o-phenylenediamine (OPD), and humic acid were evaluated by the calculation of the work of adhesion in the liquid sulfur-sulfide mineral-aqueous solution systems. It was found that the sulfide mineral surface is sulfophobic at pH from 4.1 to 4.5 due to the hydrolysis of nickel (II) ions to nickel hydroxide and the deposition of nickel hydroxide on the mineral surface. These findings apply to four different sulfide mineral systems, including pentlandite, nickeliferous pyrrhotite, pyrrhotite, and chalcopyrite. Lignosulfonate, Quebracho, and humic acid were found to significantly reduce the work of adhesion indicating they should be effective SDAs. OPD is ineffective in changing the work of adhesion of sulfur on the mineral sulfides indicating that it is not a good candidate for sulfur dispersion. The adsorption behavior of SDAs, including lignosulfonate, Quebracho, OPD, and humic acid on elemental sulfur and on nickel sulfide concentrate was investigated. Lignosulfonate, Quebracho, and humic acid were characterized by their infrared spectra. The charge changes on elemental sulfur surface were characterized by the measurement of the electrokinetic sonic amplitude (ESA) in the absence or presence of SDAs. The adsorption of lignosulfonate on molten sulfur surface was calculated by the Gibbs Equation. The adsorption of lignosulfonate, Quebracho, and humic acid on the nickel concentrate was investigated at ambient temperature. The adsorption of lignosulfonate, Quebracho, and humic acid on the nickel concentrate was found to be monolayer adsorption, which was fitted to the Langmuir adsorption isotherm. Electrostatic interaction and ion-binding are the possible mechanisms for the adsorption of lignosulfonate and humic acid on the nickel concentrate. Quebracho is adsorbed on the nickel concentrate through hydroxyl and sulfonate groups. OPD cannot adsorb on the molten sulfur surface. OPD undergoes chemical change in aqueous solution in the presence of ferric at ambient temperature. Oxygen pressure leaching experiments were performed at 140 or 150ºC under 690 kPa oxygen overpressure. The particle size of the nickel concentrate was found to be an important factor in leaching. During the leaching of nickel concentrate with P₈₀ of 48 µm, the SDAs were believed to be fully degraded before nickel was fully extracted. At most 66% nickel was extracted in the presence of 20 kg/t OPD. Fine grinding (P₈₀ of 10 µm) was sufficient for 99% nickel recovery at low pulp density while at high pulp density, the nickel extraction increased from 95% to 99% with addition of SDAs. Based on the leaching results on a nickel concentrate sample (-44 µm), OPD had the effect of increasing the nickel extraction to about 99%, followed by Quebracho (83%), lignosulfonate (72%), and humic acid (61%). It is suggested that the oxidation product of OPD is effective in solving the sulfur wetting problem in leaching. 97% nickel was recovered in the presence of 5 g/L chloride ion. Chloride ion has an effect to enhance the performance of lignosulfonate under leaching conditions.
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Pillay, Keshree. "Mineralogical effects on the dense medium separation of low grade nickel sulfide ore." Master's thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/13751.

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Dense medium separation (DMS) is a method often used to upgrade base metal sulfide (BMS) ores before their main processing stage, with varying results achieved for different ore types. The process makes use of the density differences between the BMS minerals and the lower density silicate/carbonate gangue minerals, using a separating medium of density between the two ore components. The separation is accelerated using a dense medium cyclone (DMC) to form two products: overflow (tailings) and underflow (concentrate). The purpose of DMS is to reject large quantities of gangue upfront, resulting in reduced time, energy and costs associated with processes such as milling and flotation. Preconcentration of ores using physical methods such as DMS is becoming an important consideration as lower grade ores are mined, to increase the feasibility of mining such ores. Two nickel sulfide deposits were chosen as case studies in order to understand differences in DMS efficiency for different ores. The first is the Main Mineralised Zone (MMZ) of the Nkomati Nickel deposit in Mpumalanga, South Africa, which is part of the Uitkomst Complex. The Phoenix deposit is also considered, and forms part of the Tati greenstone belt in eastern Botswana. Both deposits are magmatic Cu-Ni-PGE (platinum group element) deposits with similar sulfide mineralogy and pentlandite as the main nickel host. A process mineralogy approach was used to evaluate samples of both ores, describing the differences in the mineralogical properties within the overflow and underflow of each ore in order to understand the extent to which individual properties affect the separation.
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Franchuk, Anatoliy. "HIGH TENOR NI-PGE SULFIDE MINERALIZATION OF THE SOUTH MANASAN ULTRAMAFIC INTRUSION, THOMPSON NICKEL BELT, MANITOBA." Thesis, Laurentian University of Sudbury, 2014. https://zone.biblio.laurentian.ca/dspace/handle/10219/2195.

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The South Manasan ultramafic intrusion (ca. 1880 Ma) located in the Early Proterozoic Thompson Nickel Belt (TNB) contains Ni and platinum group element (PGE) mineralization hosted by disseminated sulfide. Whole-rock Ni values range from 0.3 to 1.7 wt. % and total precious metals (TPMs) range from 0 to 1.3 ppm Pt + Pd + Au and equate to tenor values (i.e., metal in 100% sulfide) of 11-39 wt. % Ni and 8-27 ppm TPMs. The South Manasan intrusion is a steeply dipping sill-like body with a boudinaged outline having a strike length of approximately 1200 m, average width of 125 m and a minimum depth extent of 1000 m. The intrusion is composed of approximately 25% fresh dunite, 50% serpentine altered dunite and 25% tectonized and carbonate altered dunite. The most intense alteration is found near the intrusion’s margin where it is in contact with metasedimentary rocks of the Pipe Formation, part of the surrounding Ospwagan Group. In fresh dunite the sulfide assemblage characterized by an intercumulate texture is dominated by pentlandite with accessory pyrite; the latter having a symplectic-like texture. The pentlandite-pyrite assemblage in the serpentinized dunite, although still characterized overall by an intercumlate-texture, has well developed platy intergrowths with chlorite and serpentine. In the most intensely modified unit (the carbonate altered dunite) the sulfide assemblage consists primarily of pyrrhotite and pentlandite. Whole-rock geochemical data (n=360), modal mineralogy and mineral chemistry obtained on representative drill core throughout the South Manasan intrusion have been used to establish a type section in order to evaluate the relative roles of primary magmatic versus secondary (i.e., serpentinization, carbonate alteration and deformation) processes. These data indicate that the primary silicate-sulfide assemblage was systematically modified during : serpentinization, carbonate alteration and deformation of the South Manasan intrusion such that a sequence of primary versus secondary events can be established. Intrusion of the original komatiitic magma and formation of the South Manasan intrusion took place at a shallow level into consolidated Ospwagan Group sediments with subsequent contamination of this melt with crustal S. This triggered sulfide saturation and generation of an immiscible sulfide melt. Calculated Ni and TPM tenor values constrain the R factor to between 500 and 2500. The early crystallization of olivine inhibited the sulfide melt from settling to the bottom of the magma column and as a consequence, the sulfides now have a primary interstitial magmatic texture. The current sulfide association dominated by pentlandite>>pyrite>chalcopyrite has a mineral paragenesis that is consistent with subsolidus re-equilibration of a primary pentlanditepyrrhotite- chalcopyrite assemblage. The subsequent processes of serpentinization, deformation and carbonate alteration resulted in modifying the primary sulfide assemblages and their textures (i.e., to platy habits), but did not greatly alter the bulk composition, in particular metal contents, except for addition of volatiles (H2O, CO2). It is concluded therefore that the enrichment of the sulfide assemblage at South Manasan in Ni and PGEs is a consequence of a primary magmatic process involving high R factor and that the effects of later overprinting processes (alteration, deformation) are not responsible for the presently observed high-tenor sulfide association.
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Kilickaplan, Isil. "Effect of pulp rheology on flotation : the nickel sulfide ore with asbestos gangue system." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/12765.

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Pulp rheology is a sensitive indicator of the state of aggregation/dispersion of mineral particles. In this study, possible correlation between the rheological properties of flotation pulp and the flotation response was investigated through a series of rheological and batch flotation tests. The nickel-sulfide ore from the Mt. Keith plant (Western Australia) was used for the tests. It is a low-grade nickel sulfide ore which is characterized by complex mineralogical composition with a large content of serpentine minerals. The experimental program included agglomerate flotation tests and rheological tests with the use of a slurry produced by grinding the nickel-sulfide ore. In order to see the effect of solids content on flotation, a series of tests were performed at various pulp densities in the absence and presence of oil in both conditioning and flotation stages. The agglomerate flotation and rheological tests were repeated with dispersants in order to investigate the correlation between degree of agglomeration/dispersion and flotation response. The agglomerate flotation tests conducted at various solids content in the flotation stage revealed that the fastest flotation rate was observed at the lowest solids content. The entrainment was found to increase with increasing solids content due to elevated pulp viscosity. The “boiling” was observed in the flotation cell in the tests at a high pulp density, the effect likely associated with a high pulp viscosity. High pulp viscosity is clearly increasing the size of bubbles in the flotation system. In line with this the high recoveries by entrainment are observed in the tests at high pulp density. Under such conditions the concentrate grade was low since a large proportion of the nickel recovery resulted from entrainment. In distilled water the use of a dispersant improved considerably flotation performance. The presence of chrysotile in the system strongly affects the pulp viscosity. In the tests with pure chrysotile the pulp with a solids content of around 0.8% by volume is close to the critical packing fraction. However, in the tests with the nickel ore containing more than 80% of chrysotile the viscosity is still far from the critical packing even at 7.6 % solids content by volume. This shows a very beneficial dilution effect; the presence of other non fibrous minerals dramatically decreases the viscosity of the chrysotile suspensions. Without such minerals processing of this ore would have been entirely impossible.
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Books on the topic "Nickel sulfide"

1

Attanasi, E. D. A resource assessment of copper and nickel sulfides within the Mountain View area of the Stillwater Complex, Montana. [Washington]: U.S. G.P.O., 1987.

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Gole, Martin. The refinement of extrusive models for the genesis of nickel deposits: Implications from case studies at Honeymoon Well and the Walter Williams Formation : results of research carried out as MERIWA Project 79 in the CSIRO Division of Exploration Geoscience. East Perth, WA: Minerals and Energy Research Institute of Western Australia, 1990.

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Astafʹev, A. F. Pererabotka v kipi͡a︡shchem sloe poluproduktov nikelevogo proizvodstva. 2nd ed. Moskva: "Metallurgii͡a︡", 1991.

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Kwateng, David Opoku. A Kinetic study of the dissolution of nickel sulfide in acidfied ferrous sulfate solution iwth a gas mixture of oxygen and sulfur dioxide. Ann Arbor, MI: UMI Dissertation Services, 1992.

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Smyres, G. A. Hydrochloric acid-oxygen leaching and metal recovery from copper-nickel bulk sulfide concentrate. Pittsburgh, Pa: U.S. Dept. of the Interior, Bureau of Mines, 1985.

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Bhattacharyya, D. Sulfide precipitation of nickel and other heavy metals from single- and multi-metal systems. Cincinnati, OH: U.S. Environmental Protection Agency, Water Engineering Research Laboratory, 1986.

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Rohit, Tuteja, and Minerals and Energy Research Institute of Western Australia., eds. Studies on column flotation of sulphide ores of Western Australia. East Perth, W.A: Minerals and Energy Research Institute of Western Australia, 1994.

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Nickel Sulfide Ores and Impact Melts: Origin of the Sudbury Igneous Complex. Elsevier Science & Technology Books, 2016.

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Geology and metallogeny of sulfide deposits Noril'sk Region U.S.S.R. Littleton, CO: Society of Economic Geologists, 1992.

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A, Di︠u︡zhikov O., and Society of Economic Geologists (U.S.), eds. Geology and metallogeny of sulfide deposits, Norilʹsk Region U.S.S.R. [Socorro? N.M.]: Society of Economic Geologists, 1992.

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Book chapters on the topic "Nickel sulfide"

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Misra, Kula C. "Nickel (-Copper) Sulfide Deposits." In Understanding Mineral Deposits, 273–318. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-3925-0_6.

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PASQUARIELLO, D. M., R. KERSHAW, J. D. PASSARETTI, K. DWIGHT, and A. WOLD. "Preparation and Properties of Cobalt Sulfide, Nickel Sulfide, and Iron Sulfide." In Solid State Chemistry in Catalysis, 247–54. Washington, D.C.: American Chemical Society, 1985. http://dx.doi.org/10.1021/bk-1985-0279.ch015.

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Wang, Fanmao, Sam Marcuson, Leili Tafaghodi Khajavi, and Mansoor Barati. "One-Step Extraction of Nickel from Nickel Sulfide Concentrates by Iron Addition." In The Minerals, Metals & Materials Series, 243–49. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65647-8_20.

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Distler, V. V., A. D. Genkin, and O. A. Dyuzhikov. "Sulfide Petrology and Genesis of Copper-Nickel Ore Deposits." In Special Publication No. 4 of the Society for Geology Applied to Mineral Deposits, 111–23. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-70902-9_7.

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Kim, Jong Seon, Gun Whan Lee, Ki Won Kim, Jou Hyen Ahn, Gyu Bong Cho, Ho Suk Ryu, and Hyo Jun Ahn. "The Discharge Properties of Nickel Sulfide Thin Film Prepared from Sulfidation of Nickel Foil." In Materials Science Forum, 1073–76. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-431-6.1073.

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Deng, Zhigan, Xingbin Li, Chang Wei, Cunxiong Li, Gang Fan, and Minting Li. "Pressure Leaching Behavior of Molybdenum-Nickel Sulfide from Black Shale." In Rare Metal Technology 2017, 247–54. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51085-9_26.

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Popoola, O. O., J. J. Cooper, and W. M. Kriven. "Microstructural Investigation of Fracture-Initiating Nickel Sulfide Inclusions in Glass." In A Collection of Papers Presented at the 53nd Conference on Glass Problems: Ceramic Engineering and Science Proceedings, Volume 14, Issue 3/4, 284–94. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470314098.ch25.

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Lesher, C. M., and D. I. Groves. "Controls on the Formation of Komatiite-Associated Nickel-Copper Sulfide Deposits." In Special Publication No. 4 of the Society for Geology Applied to Mineral Deposits, 43–62. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-70902-9_4.

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Delahaie, S., A. Chambellan, D. Cornet, and J. F. Hemidy. "Hydrogenation and Cracking Catalyzed by Nickel Sulfide in Dealuminated Y Zeolites." In ACS Symposium Series, 579–95. Washington, DC: American Chemical Society, 1988. http://dx.doi.org/10.1021/bk-1988-0368.ch038.

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Matsugi, K., G. Sasaki, and O. Yanagisawa. "Spark Sintering of Electroless Nickel or Tin Plated Metal, Carbide, Oxide and Sulfide Powders." In Ceramic Transactions Series, 195–208. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9780470082751.ch18.

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Conference papers on the topic "Nickel sulfide"

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Lussier, Alexandre, Joseph Dvorak, Stephen Sofie, and Yves U. Idzerda. "Hydrogen Sulfide Induced Nickel Depletion of SOFC Anodes." In ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2008. http://dx.doi.org/10.1115/fuelcell2008-65189.

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Our results reveal a mechanism for permanent degradation of solid oxide fuel cells (SOFCs) by which hydrogen sulfide leads to nickel migration and depletion of the anode, thereby compromising electrical conductivity and cell operation. Additionally, we find that this process is accentuated at higher temperatures and causes depletion of near surface nickel, while deeply buried or trapped nickel remains in the anode.
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RUI, LUAN, and HAN ENSHAN. "PREPARATION OF NICKEL SULFIDE ULTRAFINE PARTICLES BY MICROEMULSION." In Proceedings of the International Symposium on Solid State Chemistry in China. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776846_0058.

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Bending, R. G., M. R. Albert, M. J. D'Aniello, S. E. Golunski, A. F. Diwell, and T. J. Truex. "Nickel-Free Hydrogen Sulfide Control Technology for European Applications." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1993. http://dx.doi.org/10.4271/930777.

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Harris, William M., Jeffrey J. Lombardo, George J. Nelson, Wilson K. S. Chiu, Barry Lai, Steve Wang, Joan Vila-Comamala, Mingfei Liu, and Meilin Liu. "Examining Effects of Sulfur Poisoning on Ni/YSZ Solid Oxide Fuel Cell Anodes Using Synchrotron-Based X-Ray Imaging Techniques." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-63972.

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Fuel flexibility is widely considered one of the most significant advantages of solid oxide fuel cells (SOFC). However, the presence of small amounts of sulfur or other impurities in the gas stream can have a serious impact on cell performance [1–10]. Under certain conditions, hydrogen sulfide (H2S), even at the ppm level, can lead to the formation of bulk nickel-sulfides within the conventional Ni–yttria-stabilized zirconia (Ni-YSZ) anode of SOFC’s [9]. Understanding the distribution of these sulfides is critical to describing their effects on the electrochemical activity of the cell.
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Liang, Caiwu, Peichao Zou, Xuanyu Wang, Bin Liang, and Cheng Yang. "Nickel-Cobalt Sulfide Nonwoven Cloth with UltraHigh Areal Capacitance for Flexible Supercapacitors." In 2019 20th International Conference on Electronic Packaging Technology(ICEPT). IEEE, 2019. http://dx.doi.org/10.1109/icept47577.2019.245302.

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Шмакова, Александра. "Сharacterization of copper-nickel mineralization of metagabbroids (North Timan)." In Mineralogical and technological appraisal of new types of mineral products. Petrozavodsk: Karelian Research Center of RAS, 2019. http://dx.doi.org/10.17076/tm13_10.

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The article discusses the comparison of the mineralogical and technological properties of minerals and the whole copper-nickel ore manifestations of the "Blizhneye" and "Dal'neye" Bugrovskaya area. According to the results of the study, rock-forming and secondary minerals of ore-bearing rocks were established. Characterized sulfide minerals and their associations. In general, the complexity of ores, including precious metal mineralization, was noted. According to the obtained mineralogical data, possible methods of ore enrichment are predicted.
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Smith, Evan M., Fabrizio Nestola, Leonardo Pasqualetto, Federico Zorzi, Luciano Secco, and Wuyi Wang. "THE NEW NICKEL SULFIDE MINERAL CROWNINGSHIELDITE FOUND WITHIN A SUPERDEEP DIAMOND FROM LETSENG." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-339043.

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Rleck, Jeffery s., Wilson suarez, and Joseph E. Kubsh. "Development of Non-Nickel Additives for Reducing Hydrogen Sulfide Emissions from Three-way Catalysts." In 1989 SAE International Fall Fuels and Lubricants Meeting and Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1989. http://dx.doi.org/10.4271/892095.

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Singh, Navjot, Poonam Siwatch, Anmol Arora, Jadab Sharma, and S. K. Tripathi. "SILAR deposition of nickel sulfide counter electrode for application in quantum dot sensitized solar cell." In 2ND INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5032494.

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Reo, George A., Mark R. Frank, and Joshua J. Ehlich. "AN EXPERIMENTAL ASSESSMENT OF PLATINUM, PALLADIUM AND NICKEL PARTITIONING BETWEEN COEXISTING SULFIDE AND BASALTIC MELTS." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-324633.

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Reports on the topic "Nickel sulfide"

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A resource assessment of copper and nickel sulfides within the Mountain View area of the Stillwater Complex, Montana. US Geological Survey, 1987. http://dx.doi.org/10.3133/b1674b.

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