John R Bunt

BELINDA BANTHAM — Thu, 04 May 2017 09:17:27 +0000

John R Bunt BELINDA BANTHAM Thu, 05/04/2017 - 11:17

Coal Research

Prof

Professor

John

SARCHi Chair in Coal Research

Bunt

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Professor Bunt obtained his PhD in the field of Chemical Engineering (fixed-bed coal gasification) at the North-West University in 2006. During the last 35 years Professor Bunt’s research interests have ranged widely from: base metals, platinum group metal refining, mining chemicals, ash mineralogy, and more recently, coal beneficiation and fixed-bed gasification. Professor Bunt was seconded by Sasol Technology R+D to the North-West University in 2009 in order to assist in the development of capacity at the university in the field of coal science and technology under the Sasol-Hub-and-Spoke University collaboration drive. In 2011, Professor Bunt achieved the NRF rating status of Established Researcher, and was appointed as SARChI chair holder in 2013. In 2015 he was appointed as Full Professor at the North-West University after taking early retirement from Sasol (26 years of service). Professor Bunt acts on a regular basis as reviewer for high impact factor international scientific journals and has supervised 13 PhD and 25 Masters students in the area of clean coal science and technology. Professor Bunt has been accredited with over 100 publications which have been published in reputable journals and presented at conferences all over the world. The main thrust of the coal research programme at the NWU ranges from molecular modelling of coal structures (nano-scale), to reactivity/kinetic studies (micron-scale), and to lump coal pyrolysis and gasification studies (mm scale).2

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Physical Address

N1 Building, 1^st floor, office nr 141

Telephone Number

+27(0)18 299-1376

E-mail

john.bunt@nwu.ac.za

Prof John Bunt

Frans Boudewijn Waanders

PERTUNIA THULO — Thu, 07 Aug 2014 11:12:37 +0000

Frans Boudewijn Waanders PERTUNIA THULO Thu, 08/07/2014 - 13:12

Coal Research

Prof

Director

Frans Boudewijn

Engineering Research

Waanders

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Faculty of Engineering

I have been involved with Mössbauer spectroscopy technology since 1991 at the then PU for CHE, currently the North-West University’s Potchefstroom Campus, which entails the application of mineral and mineral studies. Several publications in international journals and conference presentations flowed from this work.

Since my research is mainly focused on coal, it was decided to use the Mössbauer technique at the North-West University’s Potchefstroom Campus as well. By launching an investigation into the iron-bearing minerals in coal, various deductions can be made regarding the changes that the coal undergoes during weathering, gassing or burning.

Another mineralogical project that is done for mining institutions entails the identification of minerals and their change or transformation in lye processes or reduction processes. By means of Mössbauer analyses can be established which changes sulphite ore undergoes for the recovery of the base metals from the ore. The Mössbauer technique is unique in the sense that the different states of the iron show ion in the mineral, which in turn can be used to identify optimal mineral processing processes.

There is cooperation with several universities in the country as well as industry partners, which ensure that the Mössbauer technique is not just applied at the North-West University, but that other institutions can also make use of this facility. At the recently held ISIAME conference (International Symposium on the Industrial Application of the Mössbauer Effect) it was decided to host this quadrennial conference in South Africa, and I will act as organiser of this conference.

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http://www.nwu.ac.za/fe/engineering

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