Nickel Laterites: From Exploration to Processing
select article Impact of heterogeneities and surface roughness on pXRF, pIR, XRD and Raman analyses: Challenges for on-line, real-time combined mineralogical and chemical analyses on drill cores and implication for "high speed" Ni-laterite exploration
Nickel Laterite Metallurgy | SpringerLink
The nickel laterite in upper layer of the ore deposit, with higher content of iron (Fe) and lower content of silica (SiO 2) and magnesium (Mg) in general, belongs to the limonite type, and usually contains lower nickel of about 1%, but a certain amount of cobalt (Co), while the nickel laterite in lower layer of the ore deposit, with higher content of …
DEVELOPMENTS IN HYDROMET PROCESSING OF …
Metal Mining (SMM) have decided to establish a commercial scale operation to produce an intermediate scandium oxide product at its subsidiary Taganito HPAL Nickel Corporation …
Revealing the conditions of Ni mineralization in the laterite …
Nickel laterite ores account for over 60% of global Ni supply (Butt and Cluzel, 2013), thus, making it an important exploration target in anticipation of the future demand of Ni.One of the biggest nickeliferous laterite reserves in the world is located in New Caledonia, 1300 km east of Australia in the southwest Pacific Ocean.Representing …
Impacts of Laterite Mining of Nickel and Iron Ores on …
Effects on Overland Flow The major operation in laterite mining is stripping of upper soil which includes removal of forest cover or vegetal cover. The effects on overland flow processes after stripping the soil are as follows: Reduced interception capacity of forest and vegetal thus increasing direct runoff.
Hydro-Pyro Integration in the processing of Nickel …
Most pyrometallurgical routes (ferronickel and matte smelting) use a conventional flow sheet which includes steps for upgrading in the mine, drying, further upgrading, …
Minerals | Free Full-Text | Nickel Laterites—Mineralogical …
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 …
Process flowsheet development for beneficiation …
A process flowsheet was developed according to the optimum test results. The importance of this research is that it is the first example of developing a flowsheet for the beneficiation of sulphide...
Ni-Co laterite deposits | U.S. Geological Survey
September 29, 2011. Nickel-cobalt (Ni-Co) laterite deposits are an important source of nickel (Ni). Currently, there is a decline in magmatic Ni-bearing sulfide lode deposit resources. New efforts to develop an alternative source of Ni, particularly with improved metallurgy processes, make the Ni-Co laterites an important exploration target in ...
(PDF) Hydrometallurgical Processing of Nickel …
Ravensthorpe Nickel /Cobalt Project proposed flow sheet CONCLUSIONS The solvent extraction of nickel and cobalt from …
(PDF) Hydrometallurgical Processing of Nickel …
Ravensthorpe Nickel /Cobalt Project proposed flow sheet CONCLUSIONS The solvent extraction of nickel and cobalt from laterite leach solutions and recent development of hydrometallurgical nickel ...
Sama Resources Announces Results of its New Preliminary …
In today's PEA we have effectively doubled the mill feed and changed the flow sheet to produce conventional nickel and copper concentrates, and in doing so have increased overall nickel concentrate production by 19% and importantly increased life-of-mine copper concentrate production by more than over its projected sixteen-year …
Ni-Co Laterite Deposits of the World—Database and Grade and Tonnage …
The Ni-Co laterite deposits involved in our analysis are mostly well explored and are partially or entirely mined. These deposits contain reliable quantitative data on ore tonnages and Ni and Co grades. The database, containing 66 fields, was compiled using File Maker Pro 8 software exported to Excel and tab-delineated spreadsheets.
Nickel laterites; a review
Nickel laterite ore is extracted using both selective and bulk mining methods in open cast mining operations. The mined ore has traditionally been processed either by hydrometallurgical leaching technology (pressure acid leach or Caron processes) to produce oxides of nickel and cobalt or mixed Ni-Co sulfides for market, or by …
The development of a novel hydrometallurgical process for nickel and
More recently, this chemistry has been included in the flow sheet for the processing of a nickel laterite in the Goro process in New Caledonia (Mihaylov et al. 2000) (see Section 5.3.3.2). ...
A life cycle assessment of a new laterite processing technology
A cradle to gate approach was adopted. A functional unit of one tonne stainless steel was chosen. The scope covered was from laterite ore mining to final metal production. All inventory data was expressed in units per tonne nickel-based feedstock. The flow sheets for each technology were developed and the system boundaries were …
General flowsheet of nickel laterite processes …
In order to satisfy forthcoming nickel demands, the feasible mining of nickel laterite deposits is imperative. Nickel laterites cannot be easily treated since the nickel is finely...
Preconcentration strategies in the processing of nickel laterite …
1. Introduction. To date, preconcentration of complex, low grade Ni laterite ores poses considerable challenges. In our previous paper (Quast et al., 2015) a review of publically available literature concerning a number of physical separation techniques for the preconcentration of Ni laterite ores that had been tested at laboratory or pilot plant scale, …
Why heap leach nickel laterites?
The world's resources of nickel are either sulphides or laterites and while almost ¾ of the world's resources of nickel are found as laterites, until 2009 less than half of the primary nickel production came from laterite sources as illustrated in Fig. 1.1 (Dalvi et al., 2004).This figure has been updated to 2009 production using data from Wood …
Nickel Laterites: The World's Largest Source of Nickel
Goro Nickel Mine, New Caledonia. The Goro Nickel Mine is one of the world's largest Nickel Laterite Mines. The project is owned by Vale (69%), a joint venture company composed of Sumic Nickel Netherlands, Sumitomo Metal Mining and Mitsui (21%) and the remaining 10% by three provinces within New Caledonia. The mine has a …
Agata North Nickel Laterite DSO Project, Mindanao
Image courtesy of Hellerick. The Agata North nickel laterite deposit is a high-iron limonite direct shipping ore (DSO) project located in Surigao district of Northern Mindanao, Philippines. It is being developed by a joint venture comprising TVI Resource Development (TVIRD) and MRL Nickel Philippines, a Philippine subsidiary of Mindoro …
The Direct Nickel Process | Total Materia
The Direct Nickel Process DNi is an atmospheric hydrometallurgical processing route designed to treat all types of nickel laterite ores, in a single flow sheet to produce a number of final saleable products. The key to the Process is the use of nitric acid as the leaching agent and the subsequent use of a patented recovery and recycling process ...
Why heap leach nickel laterites?
The heap leach process has the potential to be the lowest capital cost and most environmentally friendly of the processes to recover nickel from laterite ores. Nickel laterite heap leaching has been demonstrated over the past 10–20 years on a large scale by almost all major mining com-panies and several juniors.
Recent Progress in Hydrometallurgical Processing of Nickel …
The present article reviews the insight into the available hydrometallurgical approaches for treating laterite ores and the separation of nickel and cobalt from hydrometallurgy routes. Caron process, a combination of pyrometallurgy and hydrometallurgy, is also well described in the review. See more
A hydrochloric acid process for nickeliferous laterites
The development of a hydrometallurgical hydrochloric acid based leaching process for the treatment of nickeliferous laterites of various types is described. Work carried out in the Department of Mining and Mineral Engineering, Leeds University, U.K. over a number of years, on the development of a route for treating all types of lateritic …
Hydro–pyro integration in the processing of nickel laterites
Typical recoveries for smelting laterite ores are between 90 and up to 95%. Conditions that favour a high recovery include: 1. A high Ni head grade in the feed (> 2.5%) 2. A low slag to metal ratio (typically less than 1/1 - FeNi smelting from ore has typically a slag to metal ratio of from 10 to 20/1) 3.
A life cycle assessment of a new laterite processing technology
The nickel laterite processing routes were (1) high pressure acid leaching (HPAL), (2) ferronickel, and (3) the newly developed Direct Nickel (DNi Process) that involves atmospheric leaching of nickel laterite using nitric acid. A cradle to gate approach was adopted.A functional unit of one tonne stainless steel was chosen.
Nickel and Cobalt Production
They are always mined by surface mining methods. Mined laterite ores typically contain 1–2% Ni ... and Impala Platinum, Springs, South Africa. It produces about 240,000 tons of nickel/year. A schematic flow sheet of the integration of solvent extraction and hydrogen reduction for a nickel/cobalt circuit is shown in Figure 2.2.15 [1]. Download ...
Processing of Nickel Laterite Ores on the Rise
A variety of approaches are available to process nickel laterite ores, with the most prevalent approaches explained below. The method(s) chosen is dependent on the composition of the unique ore source.
THE DNi PROCESS™
The DNi Process TM is a simple metal extraction technology. We're able to process the full lateritic ore profile with complete flexibility. This means we can blend the laterite limonite, saprolite and transition zone in almost any combination. Thanks to the simpler flowsheet and our use of nitric acid. Simple, economical, effective.