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The use of circulating fluidised bed combustion technology for power generation does not only suggest cleaner coal generation, it also opens up opportunities for coal mining, writes Nicola Theunissen in the August issue of African Energy Journal.

The Department of Energy estimates that the coal-mining industry produces about 60-million tonnes of discard coal per annum (mtpa) with an estimated accumulated total of 1-billion tonnes. Not all of this discard is waste, there always being some organic matter to extract. Technology has developed to the point where today, one can do just that. What might have been considered waste 10 years ago, is now a critical component of the value chain.

Read more at Cleaning up the black sheep.

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