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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/2526

Title: Clean coal technology: gasification of South African coals - 2nd CSIR Biennial Conference
Authors: Engelbrecht, AD
North, BC
Hadley, TD
Keywords: Coal
Fluidised bed
Combined cycle
Integrated gasification combined cycle
Thermogravimetric analysis
Issue Date: Nov-2008
Publisher: CSIR
Citation: Engelbrecht, AD, North, BC and Hadley, TD. 2008. Clean coal technology: gasification of South African coals. Science real and relevant: 2nd CSIR Biennial Conference, CSIR International Convention Centre Pretoria, 17&18 November 2008, pp 12
Abstract: Electricity demand in South Africa is increasing at a rate of 1000 MW per year. Whilst there is increasing pressure to adopt non-fossil fuel electricity generating technologies, the abundant reserves and low cost of coal make it the preferred energy source to meet increasing electricity demand for the foreseeable future. The challenge in the future is to enhance both the efficiency and environmental acceptability of coal use by adopting clean coal technologies (CCTs). Integrated gasification combined cycle (IGCC) is a potential CCT that could be applied in South Africa to increase efficiency and reduce carbon dioxide emissions. IGCC also holds the advantage of reduced water consumption and the potential for co-production of liquid and gaseous fuels and chemicals. Fine coal gasification is a key enabling technology for the implementation of IGCC plants. Fluidised bed gasification is being evaluated by the CSIR as a potential fine coal gasification process for incorporation into future IGCC plants. A suite of four South African coals has been identified as being possible fuels for power stations which would operate for three or four decades, towards the middle of this century. This paper presents the results of coal characterisation, thermogravimetric analysis (TGA) and pilot plant gasification tests to ascertain the performance of the selected coals under fluidised bed gasification conditions
Description: Science real and relevant: 2nd CSIR Biennial Conference, CSIR International Convention Centre Pretoria, 17&18 November 2008
URI: http://hdl.handle.net/10204/2526
ISBN: 9780798855730
Appears in Collections:Mining and geoscience
Climate change
CSIR Conference 2008
General science, engineering & technology

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