Re-Processing Gold Tailings in South Africa
The South African gold and uranium producer, Gold Fields Mining SA Pty Limited, is developing a flowsheet to treat historic tailings as well as current arisings from their gold operations, to recover uranium, acid and additional gold the Driefontein project .Converting Tailings Dumps into Mineral Resources Energy . Similarly, tailings dumps arising from the processing of chrome ore in the Lower Group reefs of the BC are also being retreated to recover PGEs. Several commercially profitable enterprises have also been set up with the sole intention of retreating tailings dumps arising from South Africa’s Witwatersrand gold processing operations.Mine Dumps in South Africa: an Ownership Dilemma The South African landscape is filled with mine dumps bearing testament to South Africa’s rich mining heritage. In laymen’s terms the phrase ‘mine dump’ refers to an area where excess material containing forms of mineral s were left either valuable or of no value to the miner by the person who won the minerals from the earth in .
Guidelines for Retreatment of SA gold tailings: MINTEK’s .
Sonestie Janse van Rensburg. MINTEK, South Africa. sonestiej mintek.co.za 27 11 709 4731 ABSTRACT . In the West Rand, East Rand and Central Gauteng region it was estimated that there are more than 500 gold mining dumps of which 350 are in the Johannesburg region, covering about 320 000 hectares of surface area.MINE TAILINGS AND THEIR POTENTIAL IMPACTS: A STUDY OF . MINE TAILINGS AND THEIR POTENTIAL IMPACTS: A STUDY OF SOUTH AFRICAN GOLD TAILINGS DAMS Ogola, J.S. Department of Mining and Environmental Geology, School of Environmental Sciences University of Venda, Private Bag X5050, South Africa, ogolaj univen.ac.za LIMPOPO MINERALS CONFERENCE 7 TRADE SHOW MOKOPANE NOVEMBER 10-13, 2015Heavy metal concentration in soil in the tailing dam vicinity . Heavy metal concentration in soil in the tailing dam vicinity of an old gold mine in Johannesburg, South Africa 1 R.Y. Olobatoke, M. Mathuthu Center for Applied Radiation Science and Technology, North West University, Mafikeng Campus, Private Bag X2046, Mmabatho 2735, South Africa.
Tailings extractor invests R1.5bn in long-term mine dump .
South Africa-focused tailings extractor Mintails has, to date, invested R1.5-billion into its mine closure operations and expects to spend an additional R85-million on closure costs by the time it .From Tailings to Treasure? Miners Make . - Advancing Mining DRD Gold, one of the first South African companies to abandon traditional mining to focus on extracting gold from tailings. New technology allows it to recover up to 40% of the gold left in particle form in tailings. DRD Gold extracted 33,600 ounces of gold, worth nearly US$40 million, in the last quarter of 2013.Frequency of Mine Dust Episodes and the Influence of . Aeolian dispersal of dust from gold mine tailing storage facilities impacts negatively on amenities, human health, and the environment of the Witwatersrand region, South Africa. The present study adopted a multivariate analytical method to quantify the effect of specific meteorological parameters on dust fall emissions, monitored at 22 sites in the central Witwatersrand area. Using .
Characterization of Cyanide in Gold Mine Tailings of the .
However, at most gold mines in South Africa, cyanide is simply discharged with the effluent and tailings based on the assumption it will decompose within a relatively short period of time. However the distribution and fate of cyanide in the environment upon release from the tailings dumps depends on its physical-chemical speciation.Recovery of Base Metals from Mine Tailings Dumps collected in . sampling of mine tailings dump in the vicinity of Potchefstroom. The mine tailings dump was situated in Randfontein S26 7’53”, E27 42’44” and the lo ion of the dump can be seen in Figure 1. Fig 1: Mine tailings dump lo ion . B. Characterization of tailings. X-ray Fluorescence XRF as well as X-ray DiffractionCOMMENTS ON GDARD PROJECT: RECLAMATION OF MINE RESIDUE AREAS . systems on contaminated or degraded sites, grazing as a land use for re-mined footprints is considered sub-economic on rehabilitated mine pastures in South Africa. Reference: Mine Closure 2007 – South African Legislation Pertinent to Gold Mine Closure and Residual Risk. M.W. Sutton et al. ISBN 978-0-9804185-0-7 .
companies involved in tailing in south african mines
Coal mining processing plant in Nigeria. This coal mining project is an open pit mine lo ed in Nigeria, announced by mining company - Western Goldfields - that it has discovered 62,400,000 tonnes of proven reserves of coal deposits worth US$1.2 billion which could be used for the generation of electric power.Water quality around the Sheba gold mine: a case study of the . building up as mine tailings dumps. A previous study showed that the surface water and groundwater in and around the Witswatersrand basin are characterized with low pH <2 , high sulphate concentrations and electrical conductivity, primarily due to acid mine drainage from gold mine tailings dumps Tutu et al . 2008 . Acid mineThe Wake of South Africa& 39;s Abandoned Gold Mines Gold Mines in Correlation with Informal Settlements in South Africa. We need more companies with the vision and insight like Sibanye Gold, reclaiming abandoned gold dumps has clearly proved to be profitable for them while still creating environmental solutions.