Browsing Engineering by Subject "CO2 gasification"
Now showing items 1-4 of 4
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Coal evaluation and reactivity for direct solid based pre-reduction of sponge iron
(North-West University (South Africa) , Potchefstroom Campus, 2016)Solid based direct reduction of iron ore requires the reductant coal to have a suitable CO2 reactivity in order to achieve optimum pre-reduction within a rotary kiln. CO2 reactivity is affected by numerous factors including ... -
An evaluation of coal briquettes using various binders for application in fixed- bed gasification
(North-West University (South Africa) , Potchefstroom Campus, 2016)South Africa continues to rely considerably on coal as a source of energy and carbon derived chemicals. The rigorous coal mining processes result in the production of over 28 Mt of coal fines per annum. Depleting coal ... -
Gasification and combustion kinetics of typical South African coal chars
(2015)An investigation was undertaken to compare the kinetics of combustion and gasification reactions of chars prepared from two South African coals in different reaction atmospheres: air, steam, and carbon dioxide. The two ... -
The influence of carbon dioxide on the gasification rate of Highveld coal chars at elevated pressures
(North-West University, 2018)Gasification is an important process which is applied extensively for coal utilization. In the South African context, coal gasification is the first step in the coal to liquid (CTL) process and is performed in a fixed-bed ...