J.H.P. van Heerden

Extraction of alumina from coal fly ash generated from a selected low rank bituminous South African coal

R.H. Matjie, John R. Bunt, J.H.P. van Heerden · Minerals Engineering · 2004 · 197 citations

Extractive Metallurgy, Chemical Engineering, Fly Ash +4

Characterization of unburned carbon present in coarse gasification ash

N. Wagner, R.H. Matjie, J.H. Slaghuis et al. · Fuel · 2007 · 96 citations

Chemical Engineering, Carbon Sequestration, Engineering +3

CO2 storage potential of South African coals and gas entrapment enhancement due to igneous intrusions

A. Saghafi, Kaydy Pinetown, P.G. Grobler et al. · International Journal of Coal Geology · 2007 · 93 citations

Carbon Sequestration, Engineering, Co2 Storage Potential +7

Online Analysis of Coal on A Conveyor Belt by use of Machine Vision and Kernel Methods

Chris Aldrich, Gorden T. Jemwa, J.C. van Dyk et al. · International Journal of Coal Preparation and Utilization · 2010 · 30 citations

Engineering, Machine Learning, Measurement +24

Chemical fractionation tests on South African coal sources to obtain species-specific information on ash fusion temperatures (AFT)

J.C. van Dyk, Larry Baxter, J.H.P. van Heerden et al. · Fuel · 2005 · 27 citations

Organic Geochemistry, Environmental Chemistry, Engineering +9