Treatment of Sulphate Rich Effluents with the Combined Electrolytic/Biological Process
Laboratory work on producing hydrogen by electrolysis as the energy source for sulphate reducing bacteria, aimed at cutting the running cost of treating sulphate rich mine water.
by JP Maree, JJ Smit & BJ Bladergroen | April 2003
Hydrogen for biological sulphate removal can be generated on site by electrolysis more cheaply than it can be bought. Stainless steel electrodes in acid mine drainage gave hydrogen at about a third of the bought in price while oxidising ferrous iron to ferric, which helps downstream treatment. Iron and zinc electrodes dissolved too quickly to be viable.
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.