Beneficiation method of laterite-type nickel-cobalt ore



Lateritic Nickel Ore DepositsOre Deposits Technology

Ore Deposits. Typical nickel laterite ore deposits are very large tonnage low-grade deposits located close to the surface. They are typically in the range of 20 million tonnes and upwards (this being a contained resource of 200 000 tonnes of nickel at 1 ) with some examples approaching a billion tonnes of material.

Click to chat

Dealing with Nickel-Cobalt Laterite Deposit Complexity

 · Dealing with Nickel-Cobalt Laterite Deposit Complexity MICK ELIAS of the laterite profile • Parent rock type Ore Control Requirements HPAL SMELTING Ni content Ni content Co content SiO2 MgO ratio MgO content FeO content of slag Al2O3 content. FeNi Smelting Conditions

Click to chat

WOA1A laterite beneficiation process for

A beneficiation process for enriching nickel and/or cobalt involves the steps of dividing nickel laterite into limonite type ore and serpentine type ore to beneficiate separately classifying by screening at least one time after washing the ore beneficiating separately the products of the various grades obtained further classifying by gravity separation and magnetic separation to obtain the

Click to chat

Vat Leaching of Nickel Laterite Ores by Metallica Minerals

 · SThe claims defining the invention are as follows 1. A method for acidic sulphate leaching of nickel and cobalt contents 00 5 of a nickel laterite ore or concentrate using a vat leaching method comprising the steps of a) preparing a feedstock containing a nickel laterite ore or a nickel laterite 00 concentrate and loading the feedstock into a vat leaching vessel or series of vessels and b

Click to chat

Mineralogy and crystal chemistry of a low grade nickel

 · Abstract. To acquire understanding of Ni enrichment from laterite ore the mineralogy and crystal chemistry of a low grade limonite type nickel laterite ore sample assaying 0.97 Ni from Indonesia were studied using optical microscopy X-ray diffraction (XRD) scanning electron microscopy (SEM) and electron probe microanalysis (EPMA).

Click to chat

08. Srecko StopicRWTH Aachen University

 · Key words nickel cobalt lateritic ore hydrometallurgy autoclave. Since laterite type ores naturally occur close to the surface economical open pit mining techniques are beneficiation processes in order to increase the leaching efficiency of nickel and cobalt.

Click to chat

Process for nickel and cobalt extraction from laterite

A method for the recovery of nickel and cobalt from nickel and cobalt containing laterite ores said method comprising a) roasting feed ore in a reducing atmosphere in a rotary kiln to selectively reduce the nickel and cobalt wherein either no or less than 2.5 w/w reductant is added to the feed ore prior to roasting b) leaching the reduced ore with an aerated ammoniacal ammonium carbonate

Click to chat

Roasting and Leaching Behavior of Nickel Laterite Ore

 · Nickel can be found in laterite ores sulfide ore in secondary resources and non-land resources like sea nodules. 6 7 However only 40 pct of nickel scrap can be recovered as secondary sources non-land resources require high investment and operational costs thus sulfides and lateritic ores are the most important nickel sources. 6 8 9 10

Click to chat

The development of a novel hydrometallurgical process for

The development of a novel hydrometallurgical process for nickel and cobalt recovery from Goro laterite ore Author MIHAYLOV I 1 KRAUSE E 1 COLTON D. F 1 OKITA Y 1 DUTERQUE J.-P 2 PERRAUD J.-J 2 1 Inco Technical Services Limited Mississauga Ontario Canada 2 Goro Nickel S.A. Noumea New Caledonia

Click to chat

(PDF) Nickel-Cobalt Laterites—A Deposit Model

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

Click to chat

Lateritic Nickel Ore DepositsOre Deposits Technology

Ore Deposits. Typical nickel laterite ore deposits are very large tonnage low-grade deposits located close to the surface. They are typically in the range of 20 million tonnes and upwards (this being a contained resource of 200 000 tonnes of nickel at 1 ) with some examples approaching a billion tonnes of material.

Click to chat

Extraction of nickel from lateritic ores at atmospheric

 · Agitation leach experiments carried out at atmospheric pressure with Gördes lateritic ores showed that nickel and cobalt could be recovered from both ores. Nickel and cobalt extractions were 96.0 and 63.4 for nontronite 93.1 and 75.0 for limonite after

Click to chat

Laterite-nickel ore-Metalcess

EXTRACTING. About 80 of the world s copper-from-ore originates in Cu-Fe-S ores such as chalcopyrite (CuFeS2) and chalcocite (Cu2S). The concentration of these minerals in an ore body is low. Typical copper ores contain from 0.5 Cu (open pit mines) to 1 or 2 Cu (underground mines). Cu-Fe-S minerals are not easily dissolved by aqueous

Click to chat

Metallurgical Beneficiation of Iron Laterite Ores with the

 · Abstract A new process is developed for metallurgical beneficiation of iron laterite nickel-containing (limonite) ores with the formation of a metallic nickel–cobalt concentrate. This process includes reducing roasting of the ores with sulfur-containing additions in the temperature range 1100–1200°C the fragmentation of the roasting product and the magnetic separation of metallic and

Click to chat

(PDF) PRE-CONCENTRATION OF LATERITIC NICKEL ORE

Table 2 Examples of laterite pre-processing by coarse removal (Quast et al 2015) Ore Feed Ni grade Method Result Reference Nepoui-New 1 Trommel 50 mass recovery Anon (1974) Caledonia 1.7 Con. grade Le Nickel-New 1st 1.65 Tritout screen 82 Ni recovery Testut Caledonia 2nd 2.22 st 1 2.70 Ni in con Raffinot 2nd 2.52 Ni in con

Click to chat

Types of DepositsCobalt Institute

Types of Deposits Economic concentrations of cobalt can be found in five different geological settings. Cobalt is almost always a by- or co-product of mining for other metals chiefly nickel and copper. Large quantities of cobalt also occur on the sea floor contained within manganese nodules and cobalt-rich crusts although further research needs to be

Click to chat

CNAMethod for reducing laterite nickel oxide

The invention relates to a method for directly reducing laterite nickel oxide ore to enrich nickel by an ore smelting electric arc furnace. The method comprises the following steps of crushing the laterite nickel oxide ore until the granularity is 100 to 320 meshes drying adding a carbon reducing agent which is 3 to 13 weight percent of the laterite nickel oxide ore reducing by adopting

Click to chat

Process for recovery of nickel and cobalt by heap leaching

Even where the laterite ore is amenable to some form of beneficiation where the upgraded ore is processed by one of the previously discussed methods the reject fraction containing low nickel and cobalt grades is normally discarded as uneconomic to process by the above methods thus losing the value of the nickel and cobalt contained in the

Click to chat

Process for recovery of nickel and cobalt by heap leaching

The invention claimed is 1. A process for the recovery of nickel and cobalt from laterite ores the process including the steps of a) beneficiating the ore by scrubbing screening and classification to separate it into a beneficiated upgraded ore fraction and a coarse siliceous low grade rejects fraction which is substantially free from fines and clay materials b) separately processing the

Click to chat

Processing of Nickel Laterite Ores on the Rise

The SX-EW Method. SX-EW or the Solvent ExtractionElectrowinning approach to lateritic ore beneficiation is a hydrometallurgical method that relies on leaching extractants and electrowinning to produce nickel from ore. This process is often referred to as Leach Solvent ExtractionElectrowinning for its employment of a leaching step.

Click to chat

The development of a novel hydrometallurgical process for

The development of a novel hydrometallurgical process for nickel and cobalt recovery from Goro laterite ore Author MIHAYLOV I 1 KRAUSE E 1 COLTON D. F 1 OKITA Y 1 DUTERQUE J.-P 2 PERRAUD J.-J 2 1 Inco Technical Services Limited Mississauga Ontario Canada 2 Goro Nickel S.A. Noumea New Caledonia

Click to chat

nickel ore beneficiation pdfgoldendawnchalet

A beneficiation process for enriching nickel and/or cobalt involves the steps of dividing nickel laterite into limonite type ore and serpentine type ore to beneficiate separately classifying by screening at least one time after washing the ore beneficiating separately the products of the various grades obtained further classifying by gravity

Click to chat

Beneficiation of Nickel laterites for HPAL processing

Nickel laterite HPAL circuits are known for their complexity and have presented a large number of challenges to process engineers worldwide. An attitude commonly encountered by the author is that

Click to chat

Surfactant-assistant atmospheric acid leaching of laterite

 · The main components of laterite ore are listed in Table 1.The contents of Ni and Co in the laterite ore were 1.14 and 0.09 . The contents of Fe 2 O 3 MgO and SiO 2 were 21.57 27.83 and 30.12 respectively which indicated that the laterite ore was saprolitic laterite ore. According to the XRD spectra showed the main phase of the ore (Fig. 1a) the laterite is mainly consisted of

Click to chat

The nickel laterite challengeAustralian Mining

 · Nickel occurs in essentially two ore types magmatic sulphides and ( wet or dry ) laterites. The sulphides typically are found hundreds of metres below ground with principle mineralisation

Click to chat

NICO YOUNG COBALT-NICKEL LATERITE UPDATED

 · 1 20 November 2017 ASX JRV NICO YOUNG COBALT-NICKEL LATERITE UPDATED MINERAL RESOURCE HIGHLIGHTS JORC Inferred resource of 167.8Mt 0.59 Ni and 0.06 Co (using a 0.6 Ni equivalent cut- off) including a higher grade zone

Click to chat

Selective Reduction of Laterite Nickel Ore

nickel ore resources from sulphide ore becomes rare which makes nickel laterite ore as the future of nickel extraction. Unlike sulphide nickel ore processing laterite nickel ore processing requires higherprocessing energy through smelting.Therefore a novel method to process laterite nickel ore using lower energy is needed.

Click to chat

Pre-concentration of nickel in laterite ores using

 · The chemical assays of the laterite samples are provided in Table 2. The nickel head grade of ores L I and S (at <300 μm size fraction) was found to be 1.2 1.1 and 3.0 respectively. Nickel was found more or less at the same grade in all size fractions in these laterite ore samples.

Click to chat

process flow diagram for leaching of nickel copper and

Process For Recovery Of Nickel And Cobalt By Heap Leaching Laterite nickel and cobalt ore deposits One problem hindering the heap leaching of nickel and cobalt containing FIG. 1 is a process flow diagram in »More detailed

Click to chat

Obi HPAL Nickel-Cobalt Project North Maluku Province

The nickel-cobalt project will process laterite-nickel ore resources with nickel (Ni) content less than 1.6 utilising the beneficiation and HPAL methods. The ore will first undergo beneficiation for the production of limonite and saprolite nickel ore slurry before feeding into the HPAL process. The HPAL circuits will produce the battery-grade

Click to chat

Vat Leaching of Nickel Laterite Ores by Metallica Minerals

 · SThe claims defining the invention are as follows 1. A method for acidic sulphate leaching of nickel and cobalt contents 00 5 of a nickel laterite ore or concentrate using a vat leaching method comprising the steps of a) preparing a feedstock containing a nickel laterite ore or a nickel laterite 00 concentrate and loading the feedstock into a vat leaching vessel or series of vessels and b

Click to chat

MURDOCH RESEARCH REPOSITORY

 · significant amount of nickel production from laterite sources. High Pressure Acid Leach (HPAL) remains the process of choice for treating limonite ores especially for large scale developments. It has the advantages of high nickel and cobalt recoveries and is applicable to a wide range of ores.

Click to chat

New methods of processing of Cuban nickel ores and

In this paper the problems of beneficiation of lateritic nickel ores of the Cuba Republic and passing extraction from them and slurry waste of elements of platinum group is discussed. For carrying out research 100 kg of ore and 130 kg of tails of beneficiation were selected. It is established that in the course of receiving nickel-cobalt go of a sinter in slimes concentrates rhodium (0 074

Click to chat

Pudong new district

Shanghai, China.

7*24h online