Low-smoke Fuels: Test Work on Devolatilised Binderless Coal Briquettes
R1500,00
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Participative Management Employee Participation in the Wealth of Mining Companies, an Employee Share Ownership Participation Scheme Focus
2004
Postgraduate dissertation on share ownership in South African mining, drawing on British and American precedent and a worker attitude survey. For human resources and empowerment planners.
What this report foundEmployee share ownership participation schemes are presented as a route to spreading mining wealth more widely after apartheid.
R1500,00
Employee share ownership participation schemes are presented as a route to spreading mining wealth more widely after apartheid. They differ from profit sharing and pension arrangements in holding only the employer's own equity and in enlarging the company's capacity to borrow. Acceptance of such schemes in the South African mining industry was tested through an attitude survey of workers.
BCI Chemical Research & Analysis – Calcium & Magnesium
2012
Desk research on two mine water by products, closing out the economic analysis behind proposed brine treatment plants, for readers judging whether recovered salts can be sold.
What this report foundPrices for calcium and magnesium sulphate are recorded for South Africa and for world markets as at mid 2012, together with price trends and the groundwater...
R1500,00
Prices for calcium and magnesium sulphate are recorded for South Africa and for world markets as at mid 2012, together with price trends and the groundwater chemistry that governs which salts a mine water stream will yield. The figures were assembled to support feasibility studies on a eutectic freeze crystallisation plant and an ion exchange plant.
Institutional, Legal & Financial Aspects of Regional Mine Water Collection, Treatment and Re-use
2004
Review of ownership models, licensing and funding for a shared regional mine water treatment scheme on the Mpumalanga coalfields, written for mine managers and water regulators.
What this report foundA regional scheme to collect, treat and re-use mine water in the Upper Olifants River Catchment has merit, with the mines best placed to start it through a...
R1500,00
A regional scheme to collect, treat and re-use mine water in the Upper Olifants River Catchment has merit, with the mines best placed to start it through a dedicated mine water company that brings in the water services authorities. Water legislation supports the scheme provided the regulator allocates mine water as a resource. Viability rests on the tariffs mines and water users pay.
Coal Mine Acid Mine Drainage Treatment and Sludge Processing
2010
Laboratory evaluation of acid drainage treatment paired with thermal recovery of reagents from the resulting sludge, with capital and operating cost estimates for mine water planners.
What this report foundA modified alkaline barium calcium process was tested on coal mine acid drainage, using calcium hydroxide neutralisation, hydrogen sulphide metal removal and...
R1500,00
A modified alkaline barium calcium process was tested on coal mine acid drainage, using calcium hydroxide neutralisation, hydrogen sulphide metal removal and barium carbonate sulphate removal. Gypsum formation during water treatment fell by 80 per cent, cutting the sludge sent to costly downstream processing to a fifth. Temperature, reaction time, reagent ratios and feed particle size affected thermal treatment of the sludge.