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Browsing by Author "Siyakatshana, Njabulo"

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CFD simulation of thermodynamic and temperature effects on spontaneous combustion of coal stockpiles and dumps

Author: Kekana, J ; Siyakatshana, Njabulo ; Wessels, G ; Ubbink, O Date: Jan 2011 In this work the development of a numerical model capable of identifying suitable conditions responsible for spontaneous combustion of coal storage piles and carbonaceous waste dumps are presented. The developed model captured the mass, ... Read more
Microreactors - a marvel of modern manufacturing technology: biodiesel case study

Author: Buddoo, SR ; Siyakatshana, Njabulo ; Pongoma, B Date: Nov 2008 Microreactors are miniature reactors for carrying out chemical reactions. CSIR Biosciences has been investigating the production of biodiesel using various sources of vegetable oils, for example, soya, sunflower, canada, Jatropha, palm and ... Read more
Passive neutralization of acid mine drainage using basic oxygen furnace slag as neutralization material: experimental and modelling

Author: Zvimba, JN ; Siyakatshana, Njabulo ; Mathye, Matlhodi Date: Dec 2015 This study investigated passive neutralization of acid mine drainage using basic oxygen furnace slag as neutralization material over 90 days, with monitoring of parameters quality and assessment of their removal kinetics. The quality was ... Read more
Steady state CFD modelling of carbon dioxide release and methananogenesis in coal heaps

Author: Siyakatshana, Njabulo ; Ubbink, O ; Kekana, J ; Wessels, G Date: Jan 2011 The Kyoto Protocol and its related instruments have increased awareness of the phenomenon of global warming. The two main so-called greenhouse gases deemed to cause this effect have been identified as CO2 and CH4. Other greenhouse gases include ... Read more
Water quality modelling and optimisation of wastewater treatment network using mixed integer programming

Author: Mahlathi, Christopher ; Siyakatshana, Njabulo ; Chirwa, E Date: Oct 2016 Instream water quality management encompasses field monitoring and utilisation of mathematical models. These models can be coupled with optimisation techniques to determine more efficient water quality management alternatives. Among these ... Read more c b

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Browsing by Author "Siyakatshana, Njabulo"

Browsing by Author "Siyakatshana, Njabulo"

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