nickel laterite mine process

Home nickel laterite mine process

images

BHP Ravensthorpe Nickel Operation, Australia - Mining ...

Ravensthorpe was a laterite nickel project which, because of the ores' low grade, and expensive and intensive processing requirements, has caused BHP some headaches. The project was originally approved in March 2004 with a budget of $1,340m. But by November 2006, capital costs rose to $2.2bn.

ALTA MetBytes - Developments in Hydromet Processing of ...

integrated pilot plant level. As with other processes, impetus for the Neomet Process on laterites has been muted due to nickel prices. However, the overall process is not only limited to nickel, and development of the key unit operations has continued. It is expected that a decision on a laterite project will be made in late 2017 (13).

Nickel Processing and The Rise of Laterites

Nickel Processing and The Rise of Laterites 1. Mineral Engineering Technical Services PO Box 5778 St Georges Tce WA 6831 P: (+61 8) 9421 9000 F: (+61 8) 9325 8311 ABN 66 009 357 171 W: E: [email protected] A division of Midas Engineering Group Nickel Ore Processing Trends The Rise of Nickel Laterites and Advances in Sulphide Processing

CN101418378A - Method for adding additive agent in ...

The invention discloses a method for adding an additive in the reduction roasting process of terra rossa nickel ore. The terra rossa nickel ore is ground to -200 to -100 meshes and is 70 to 90 percent of the mass thereof. A chloride is added into the terra rossa nickel ore as a segregation agent; a sodium compound is added into the terra rossa nickel ore as a promoter; and reduced iron powder ...

Nickel-cobalt laterites in the news - MINING.COM

An overview of the latest news from the world of nickel-cobalt laterites covering existing HPAL operations, HPAL projects, heap leaching, and process innovations.

How clean can the nickel industry become? | McKinsey

On top of that, with nickel being one of the most technically challenging metals to process and refine, and every operation being unique, further challenges will also be asset dependent (Exhibit 1). For miners, the type of ore deposit—sulfide or oxide (or laterite, further subdivided into saprolites and limonites)—defines the whole value chain.

Mechanical and thermal activation of nickel-laterite mine ...

Nickel-laterite mine waste could be utilized in geopolymer synthesis after thermal and mechanical activations. • Leaching of Si and Al is optimum at a ball-to-NMW ratio of 10:1, mill speed of 443 rpm, and grinding duration of 120 minutes. • The result of thermal activation signifies the benefit of thermal treatment of nickel-laterite mine ...

US20100064854A1 - Nickel-laterite process - Google Patents

An improved method for processing of nickel-bearing ores, laterite ores, saprolite and limonite ores, oxidic and sulfide ores, metallurgical wastes, and other metal-bearing materials, to recover the valuable minerals contained therein, comprising comminuting ore to a desired size; leaching the ore at about 70 C to 130 C for about 30 minutes to 4 hours with nitric acid, raising the temperature ...

Processing Technology vs Nickel Laterite Ore ...

Considerations for developing a nickel laterite project Nickel grade; cobalt grade Resource tonnage / Life of Mine / scale of operation Ore chemistry and mineralogy Upgradeability of ore Process selection Availability of cheap power supply Selection of fuel Availability of raw materials: water, silica flux, aggregate Availability of infrastructure Location of project Mining method ...

(PDF) Nickel Laterite Smelting Processes and Some Examples ...

Nickel Laterite Smelting Processes and Some Examples of Recent Possible Modifications to the Conventional Route. Download. Related Papers. PENGOLAHAN NIKEL LATERIT SECARA PIROMETALURGI. By miu by. Metallurgical Furnaces. By Pedro Avalos Garcia. The Past and the Future of Nickel Laterites.

Nickel-Cobalt Laterites—A Deposit Model - USGS

Nickel-cobalt (Ni-Co) laterite deposits are supergene enrichments of Ni±Co that form from intense chemical and mechanical weathering of ultramafic parent rocks. These regolith deposits typically form within 26 degrees of the equator, although there are a few exceptions. They form in active continental margins and stable cratonic settings.

Hydrometallurgical process for the separation and recovery ...

Hydrometallurgical process for the separation and recovery of nickel from sulphate heap leach liquor of nickeliferrous laterite ores S. Agatzini-Leonardou, P.E. Tsakiridis*, P. Oustadakis, T. Karidakis, A. Katsiapi Department of Mining and Metallurgical Engineering, Laboratory of Metallurgy, National Technical University of Athens, 9, Iroon Polytechniou Street, 157 80 Zografou, Athens, Greece

The development of a novel hydrometallurgical process for ...

The Goro process ( Figure 5.14) developed by INCO (now CVRD-Inco) for the treatment of a nickel laterite deposit in New Caledonia (Bacon and Mihaylov 2002; Mihaylov et al. 2000; Mihaylov et al ...

Nickel / cobalt mining extraction procedures | Condorchem ...

The process begins by adding the sulfide-associated mineral to a reactor with sulfuric acid and pressurised air. This procedure removes the sulphides to obtain nickel (II) sulfate and cobalt (II) sulfate in solution. In this first dissolution stage, the sulfide is removed. NiS + 2O2 NiSO4. CoS + 2O2 CoSO4.

Hydro-Pyro Integration in the processing of Nickel Laterites

Other than the hybrid Caron process the only operating hydrometallurgical process for nickel laterites are HPALs. The first commercial HPAL plant started production in 1959 at Moa Bay in Cuba and still continues today and Sherrit a 50% joint venture (JV) partner in Moa is a partner in the construction of the similar Ambatovy project in Madagascar.

Impacts of Laterite Mining of Nickel and Iron Ores on ...

p. 2 Impacts of Laterite Mining of Nickel and Iron Ores on Watersheds PREMISE Open pit, contour or strip mining of laterites involves removing 1 to 2 meters of topsoil to be able to extract the laterite, limonite and saprolite deposits which occupy the soil strata from 3 to 25 meters below the ground.

Energy Challenges for a Nickel Laterite Mining and ...

IFAC Workshop on Automation in the Mining, Mineral and Metal Industries September 10-12, 2012. Gifu, Japan Energy Challenges for a Nickel Laterite Mining and Smelting Facility Brian K. Tsang *, Yale Zhang * * Vale Base Metals Technology Development (Canada) Ltd., Mississauga, ON, L5K 1Z9, Canada (Tel: 905-403-2409; e-mail: [email protected

Nickel Laterites: The World's Largest Source of Nickel ...

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 mineral reserve of 124 million tonnes, with an average ...

Extraction of Nickel | Nickel Ore Mining | Mining ...

The extraction of nickel process generally consists of crushing, sieving, washing, re-selection, grinding, and slurry concentration, or the nickel leaching method. The target element nickel distribution varies with the nature of the ore, mostly contained in fine-grained grades. For example, the nickel minerals of the Ramu laterite mine in Papua ...

THE APPLICATION OF THE CESL NICKEL PROCESS TO …

cases, however, nickel and cobalt report to an impure solution, and must be recovered separately in purified forms. This paper discusses the application of the CESL Nickel Process to laterites, limiting the discussion to the treatment of the impure nickel/cobalt solution …

(PDF) Nickel laterite processing technologies – where to next?

Nickel laterite recovery can be carried out by pyrometallurgy and hydrometallurgy process. Hydrometallurgy is a metal extraction process execute at relatively low …

Nickel: smelting, producing-Metalpedia

The resultant carbon monoxide is re-circulated and reused through the process. The highly pure nickel produced by this process is known as "carbonyl nickel". Source: Nickel-Wikipedia; Hydrometallurgy of Nickel; The high temperature (~250°C) acid pressure leaching of nickeliferous laterite ore has been practised commercially since the late 1950's.

Leaching Laterites: Two New Processes Make Progress | E & MJ

Direct Nickel Ltd. successfully tested its DNi laterite leaching process in a 1-t/d pilot plant, a section of which is pictured above. The plant used feed from PT Antam's Buli nickel mine in Indonesia, where Direct Nickel is considering building a 10,000-20,000 t/y commercial-scale plant.

Kolosori Nickel Project • Pacific Nickel Mines Limited

The Kolosori Nickel Project (PNM 80%) is an advanced stage direct shipping ore nickel laterite project with excellent potential for development located on Isabel Island in the Solomon Islands. The project has several positive aspects including its close proximity to the coast, no processing requirements, low capital route to direct shipping ore ...

Our Operations - Ravensthorpe Nickel Operation

Ravensthorpe processes nickel laterite ore extracted through open-cut mining. To achieve this, we use a high-pressure acid leach process that results in a mixed hydroxide product for export. Our product contains about 40 per cent nickel and 1.4 per cent cobalt on a dry basis.

Processing of Nickel Laterite Ores on the Rise

While sulfide nickel ores are processed via upgrading to concentrates and then smelting, this approach is not applicable to laterite ores. A variety of approaches are available to process nickel laterite ores, with the most prevalent approaches explained below. …

Nickel Sulfide Versus Laterite : The Hard Sustainability ...

laterite compared to sulfide ores – leading to a historical preference for sulfide ores. To meet future demand for nickel, however, there is an increasing proportion of nickel being mined from laterite ores. This leads to an important issue in terms of the environmental costs of nickel – as laterite nickel …

The nickel mining threat | Kalmiopsis - Wild Rivers Coast

The mine has not operated since 1998. The Nickel Mountain Mine is a nickel laterite surface mine. In appearance it's like the mountain top removal practiced in Appalachia. Nickel laterites. Nickel laterites are ancient soils formed under tropical conditions. Read Wikipedia to learn about nickel laterites from a mining perspective. Area Map

Processing of Nickel Laterite Ores on the Rise

cases, however, nickel and cobalt report to an impure solution, and must be recovered separately in purified forms. This paper discusses the application of the CESL Nickel Process to laterites, limiting the discussion to the treatment of the impure nickel/cobalt solution …

(PDF) Nickel laterite processing technologies – where to …

Nickel laterite recovery can be carried out by pyrometallurgy and hydrometallurgy process. Hydrometallurgy is a metal extraction process execute at relatively low …