Search Results - "Van Heerden, J. H. P."

Raman spectroscopy for the analysis of coal: a review by Potgieter-Vermaak, S., Maledi, N., Wagner, N., Van Heerden, J. H. P., Van Grieken, R., Potgieter, J. H.

“…The advances in the characterization of amorphous carbons by Raman spectroscopy over the last four decades are of interest to many industries, especially those…”
Get full text

Characterization of unburned carbon present in coarse gasification ash by Wagner, N.J., Matjie, R.H., Slaghuis, J.H., van Heerden, J.H.P.

“…Depending on the mode of operation and quality of the feed material, discrete unburned carbon particles are evident in coarse gasification ash emanating from a…”
Get full text

Online Analysis of Coal on A Conveyor Belt by use of Machine Vision and Kernel Methods by Aldrich, C., Jemwa, G. T., van Dyk, J. C., Keyser, M. J., van Heerden, J. H. P.

“…The application of machine vision systems to measure particle size distributions has among other things been driven by sophisticated control systems used to…”
Get full text

Quantification of oxygen capture in mineral matter during gasification by van Dyk, J.C., Waanders, F.B., van Heerden, J.H.P.

“…It has been observed that during the transformation of minerals at higher temperatures (>1000 °C), mineral species are formed containing a high number of…”
Get full text

Chemical fractionation tests on South African coal sources to obtain species-specific information on ash fusion temperatures (AFT) by van Dyk, J.C., Baxter, L.L., van Heerden, J.H.P., Coetzer, R.L.J.

“…Coals from the different sources used by Sasol vary substantially in terms of chemical and physical properties and directly relates to gasifier behavior. Due…”
Get full text

CO2 storage potential of South African coals and gas entrapment enhancement due to igneous intrusions by SAGHAFI, A, PINETOWN, K. L, GROBLER, P. G, VAN HEERDEN, J. H. P

Get full text