chrome from ug2 tailings by falcon process

Fine chrome recovery | Commodities | Mineral Technologies

Bulk sample testing is critical to project success. Mineral Technologies' experienced team of metallurgists regularly assist customers to develop flowsheets specific to their ore and market requirements. Our test facility delivers extensive testwork for chromite ores including: ROM and tails of LG, MG, and UG2. Materials from >15% Cr2O3 grade.

Challenges Related to the Processing of Fines in the …

UG2 and Platreef are metallurgically more complex and difficult to process than Merensky, owing to their mineralogy, finer grinds, and more complex circuit designs required to achieve suitable extractions and product grades to be smelted . The key to energy efficiency and improved extraction metallurgy lies in the exploitation of the mineralogy ...

CHROMIUM: Eastplats to re-treat Zandfontein UG2 tails to …

SOUTH AFRICA – Eastern Platinum (Eastplats) of Vancouver is proceeding with a tailings re-treatment project at the Zandfontein UG2 gold-platinum group metals …

Comparative flotation performance of samples under various …

The recovery of chromite from the tailings streams of South African UG2 platinum concentrators adds significant financial returns to these operations.

(PDF) Feasibility Study on Physical Beneficiation …

A study on physical beneficiation of platinum group metals (PGMs) flotation tailings was carried out by means of spiral classifiers and a gravity separator (Knelson Concentrator – KC-CVD 6 unit).

sbm/sbm chrome from ug2 tailings process design …

You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

chrome from ug2 tailings process design criteria

6.1.1 The selection and splitting process for the preparation of the UG2 HG FT composite sample (UG2 Tailings sample) As indicated in section 3.4 the majority of chrome present in the UG2 Reef exploited by the platinum producers deports to the tailings stream from the Concentration process. It was logical therefore to target the tailings stream ...

Fine chrome beneficiation and reverse PGM upgrade of …

Multotec Process Equipment, Johannesburg, South Africa The main differences between a vertical and a horizontal ring WHIMS machine are described. Four UG2 samples with P 80=100 μm were delivered from four different slimes dams on the western limb of the Bushveld Complex containing gravity separation tailings.

Spiral (Concentrators)

Chrome is extracted from the UG2 concentrator tailings at Sibanye Stillwater's chrome re-treatment plant (CRP) at the Rustenburg Kroondal and Marikana operations (Sibanye Stillwater RR 2021). Sibanye Stillwater own a number of tailing re-treatment operations including the Western Limb Tailings Re-treatment (WLTR), BTT, Eastern Tailings Re ...

Trithiocarbonates for PGM flotation

Enter the email address you signed up with and we'll email you a reset link.

Stirred milling—new comminution J technology in the …

Stirred milling is the latest comminution technology to be applied widely in the PGM industry. The drivers for this are related to the shift in the mining and extraction of PGMs from the Bushveld from Merensky reef to the UG2 and Platreef orebodies; (Figure 1) the expansion of the production base; extraction of PGMs from tailings in both PGM ...

A study on the recovery of fine chromite from UG2 tailings

SEPARATION OF CHROMITE FROM OLIVINE BY ANIONIC COLLECTORS. A. Güney S. Atak. Materials Science, Chemistry. 1997. Chromite is concentrated mostly with shaking tables and spirals. Flotation can be considered as a leading process to beneficiate the fine chromite which cannot be enriched by gravity separation.…. Expand.

Modelling and optimization of clean chromite production …

The chromite tailings samples used in this study were obtained from the concentrator plant of Uckopru (Fethiye-Turkey). ... One of the main aims of this study was to maximize the chrome grade and recoveries of chrome concentrates in the process and find the optimum operating conditions from the mathematical models developed.

Preconcentration of UG2 Platinum Ore Economic …

The process itself is straightforward and is accommodated by a relatively small plant footprint. Of the commercially-exploited platinum reefs mined in South Africa, the UG2 chromitite reef has a much higher density than the silicate waste fraction in both the hanging- and footwall, and this difference is used to separate the reef from the waste.

Tailings retreatment as an alternative to in-situ mining: A

These opportunities are now being effectively exploited in South Africa's chrome and PGM sectors, which have seen steady growth in chromite ore production from UG2 tailings, since the early 2000 ...

Chromium ore at Implats

which is owned by Impala Chrome, was commissioned in 2010 and is operated by Chrome Traders (Pty) Ltd. Currently some 200kt of chromite is reprocessed per annum by Chrome Traders and the remainder is pumped to the tailings dams. The retrieved chromite from the UG2 tailings has an average Cr 2 O 3 grade of approximately 41.5%.

Process development for elemental recovery from PGM tailings …

1. Introduction. Numerous countries face economic, environmental and health-related challenges, which are associated with the management of large volumes of solid mine residues (e.g. tailings; Asif and Chen, 2016).This is particularly relevant in South Africa, which is the biggest global producer of platinum, gold and chrome (Mohale et al., …

shibang/sbm fine chrome recovery in tailings plant.md at …

You've already forked shibang 0 Code Issues Pull Requests Packages Projects Releases Wiki Activity

Origin of the UG2 chromitite layer, Bushveld Complex

Origin of UG2 chromitite. The fact that none of the models considered above adequately accounts for the observed rock sequence leads us to the model of Eales ( 2000 ), which holds that the chromitites formed by accumulation of chromite from crystal-charged magmas injected into the Bushveld chamber.

Chrome beneficiation from PGM flotation tailings

Chrome has a low beneficiation cost compared to other metals and is therefore an integral part of the extraction process on UG2 ores during these difficult economic times. The PGMs are typically ...

Minerals | Free Full-Text | Resource Intensity Trends in the …

The platinum group metal (PGM) industry uses UG2 seams, and the resulting tailings from PGM producers' beneficiation have been found to have a significant chromium content. Once the tailings are beneficiated, they can reach a chromium (Cr 2 O 3 ) concentration of 40%, which is similar to some beneficiated LG6 and MG1/2 ores [ 16 ].

Development of PGMs and Chrome Extraction Circuit …

boundaries [4]. During the grinding process, about 50% of the PGMs are liberated. UG2 platinum grades range between 3 and 8 g/t [5]. PGMs have extraordinary physical and chemical properties that have made them indispensable to the modern industrial world. The PGMs have very high melting points,

A study on the recovery of fine chromite from UG2 …

Chromite recovery from UG2 tailings by physical separation and flotation was studied. • Desliming, magnetic separation and acidic flotation (pH2.5) achieved target …

Beneficiation of South African chromite tailings using

In this project, chromite tailings from Western Limb of the South African Bushveld Igneous Complex (BIC) was characterised with the objective of recovering fine and ultrafine chromite using wet magnetic separation process. 2. Materials and Methods. Chromite tailings ore sample was obtained from a MG chromite processing plant in the Western Limb ...

Eastplats Announces an Agreement With Union Goal …

The Agreement provides for the construction, mining and processing of the tailings resource, and the subsequent offtake of chrome concentrate from, the Barplats Zandfontein UG2 tailings facility ...

(PDF) Resource Intensity Trends in the South …

The emergence of a symbiotic relationship with the platinum-group metals industry was identified as a major development, with chromite ore intensity decreasing from 2.54 to 1.98 kg per kg ...

Merafe to buy stake in Unicorn Chrome from Glencore as part

Unicorn has a shareholding in a UG2 chrome concentrate producer which extracts chrome concentrate from a tailings stream in South Africa's North West Province. Based on this, the acquisition was "… a valuable addition to Merafe's chrome interests". The acquisition comes at a time when Merafe's asset mix is fluid.

(PDF) Flotation of chromite and serpentine

G. P. Gallios et al. have studied the behavior of the chromite ore and separation of chromite from serpentine by using flotation process. Experimental result indicates that sodium oleat as a ...

Chrome ore beneficiation challenges

The recovery of chromite from the tailings streams of South African UG2 platinum concentrators adds significant financial returns to these operations. Whilst the …

First chrome concentrate at UG2 tailings retreatment …

The chrome processing circuit, related technology and know-how, in conjunction with the re-mining of the Barplats Zandfontein UG2 tailings, are located at the Crocodile River Mine in South Africa. All site teams are now mobilized and in place to continue commissioning and initial pre-operations with the intention to move towards full …

Our Operations – ChromTech

ChromTech Tailings Treatment: Our flagship initiative is dedicated to the recovery of chrome from re-mined UG2 tailings. This project is 60% owned by ChromTech. BLESKOP RAIL AND LOGISTICS

Development of PGMs and Chrome Extraction …

flotation processes. There is a chrome plant that is installed in the middle of the flotation circuit in order to benefit the increased in PGMs recovery from secondary circuit by …

PGM recovery from chromite tailings a new art or more …

Figure 1: Basic CTRP process flow In some cases the chromite recovery section does not form part of the CTRP circuit (i.e. Phoenix) while the majority of the plants operated by Sylvania does ...

Extraction of Platinum Group Metals | IntechOpen

About 80% of the worlds' reserves for platinum group metals (PGMs) are in South Africa's Bushveld Igneous Complex. Processing of PGM involves comminution, flotation, smelting, converting, base metals refinery and precious metals refinery. Due to increasing chrome content in the feed and the challenges associated with operating high …

A study on the recovery of fine chromite from UG2 tailings

1. Introduction. The recovery of chromite from the tailings streams of South African UG2 platinum concentrators adds significant financial returns to the mining operations. Pilanesberg Platinum Mines (PPM) is a primary platinum producer on the western limb of the Bushveld Complex in South Africa, operating a typical mill-float-mill …

PGM Ore Processing at Impala's UG-2 Concentrator

maximum allowable chrome in furnace feed was historically limited to about 1 %. Considering that chrome in concentrate for UG2 plants in general were in the region of 3-4% it was extremely difficult to maintain high UG2 processing capacities. Subsequent developments in furnace technology has allowed concentrates with a chrome content of …

Experiences in the production of metallurgical and chemical grade UG2

This UG2 reef contants significant quantities of chromite with typically a chrome-to-iron (Cr/Fe) ratio of 1.35. UG2 ores can contain between 10 and 25% Cr2O3 depending upon the reef width and the ...

A study on the recovery of fine chromite from UG2 …

This paper describes the results of a series of physical separation, and chromite bench flotation tests that have been carried out at acidic and natural pH respectively, on UG2 tailings from...