Search Results - "Vermaak, S.S. Potgieter"

Heavy metals removal from solution by palygorskite clay by Potgieter, J.H., Potgieter-Vermaak, S.S., Kalibantonga, P.D.

“…The possible use of palygorskite clay, mined in the Dwaalboom area of the Northern Province of South Africa, as an adsorbent for the removal of metal ions such…”
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Particulate matter and gaseous pollutants in residences in Antwerp, Belgium by Stranger, M., Potgieter-Vermaak, S.S., Van Grieken, R.

“…This comprehensive study, a first in Flanders, Belgium, aimed at characterizing the residential indoor air quality of subgroups that took part in the European…”
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The application of Raman spectrometry to investigate and characterize cement, Part I: A review by Potgieter-Vermaak, S.S., Potgieter, J.H., Van Grieken, R.

“…Raman spectrometry has received attention for the past 3 decades in its application to the characterisation of pure cement phases, white and grey cements…”
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Comparison of limestone, dolomite and fly ash as pre-treatment agents for acid mine drainage by Potgieter-Vermaak, S.S., Potgieter, J.H., Monama, P., Van Grieken, R.

“…The physical, chemical and biological nature of Vaal Dam water, the main source of water in Gauteng, South Africa, is often affected by underground water…”
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The application of Raman spectrometry to the investigation of cement by Potgieter-Vermaak, S.S., Potgieter, J.H., Belleil, M., DeWeerdt, F., Van Grieken, R.

“…Various attempts to use Raman spectrometry to analyse the mineral phases in hydrated and unhydrated cement have been made and results were published on pure…”
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Comparative overview of indoor air quality in Antwerp, Belgium by Stranger, M., Potgieter-Vermaak, S.S., Van Grieken, R.

“…This comprehensive study, a first in Belgium, aimed at characterizing the residential and school indoor air quality of subgroups that took part in the European…”
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Influence of Ru additions on the corrosion behaviour of WC–Co cemented carbide alloys in sulphuric acid by Potgieter, J.H., Thanjekwayo, N., Olubambi, P., Maledi, N., Potgieter-Vermaak, S.S.

“…The aim of the study is to investigate the influence of ruthenium (Ru) additions on the corrosion behaviour of WC–Co cemented carbides when exposed in a…”
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The application of Raman spectrometry to the investigation of cement. Part II: A micro-Raman study of OPC, slag and fly ash by POTGIETER-VERMAAK, S. S, POTGIETER, J. H, BELLEIL, M, DEWEERDT, F, VAN GRIEKEN, R

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Adsorptive removal of various phenols from water by South African coal fly ash by Bada, S.O., Potgieter, J.H., Potgieter-Vermaak, S.S.

“…South African coal fly ash (SACFA) was used to effectively remove phenol, 2-nitrophenol and 4-nitrophenol from wastewater. The rate of adsorption follows…”
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Micro-structural characterization of black crust and laser cleaning of building stones by micro-Raman and SEM techniques by Potgieter-Vermaak, S S, Godoi, R H M, Grieken, R Van, Potgieter, J H, Oujja, M, Castillejo, M

“…Research concerning the formation and removal of black crusts on various historical objects is approached from many different angles. The so-called "yellowing…”
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Chloride-binding effect of blast furnace slag in cement pastes containing added chlorides : research article by Potgieter, J.H., Delport, D.J., Potgieter-Vermaak, S.S., Verryn, S.

“…Corrosion of rebar in concrete is commonly associated with, and to a large degree influenced by, the free chloride concentration in the pore water. It is…”
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Potentiometric determination of free chloride in cement paste - an alternative method for low-budget laboratories : research article by Potgieter-Vermaak, S.S., Potgieter, J.H., Potgieter-Vermaak, S.S., McCrindle, R.I., Delport, D.J.

“…Corrosion of rebar in concrete is commonly associated with, and to a large degree influenced by, the free chloride concentration in the pore water. The amount…”
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A characterisation of the surface properties of an ultra fine fly ash (UFFA) used in the polymer industry by Potgieter-Vermaak, S.S., Potgieter, J.H., Kruger, R.A., Spolnik, Z., van Grieken, R.

“…Fly ash is the residue from the combustion of pulverised coal in thermal power stations. It consists of a variety of particle sizes of hollow silica-alumina…”
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The Corrosion Behaviour of WC-Co-Ru Alloys in Aggressive Chloride Media by Potgieter, J. H., Olubambi, P., Potgieter-Vermaak, S. S.

“…Hardmetals possess excellent wear resistance, making them suitable alloys in several industrial applications. Mine waters with both dissolved chloride and…”
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Fingerprinting of South African ordinary Portland cements, cement blends and mortars for identification purposes — Discrimination with starplots and PCA by Potgieter-Vermaak, S.S., Potgieter, J.H., Worobiec, A., van Grieken, R., Marjanovic, L., Moeketsi, S.

“…This investigation is an attempt to analyse some of the current commercial cements and cement blends in South Africa and mortars produced from them (1:3…”
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An investigation into the feasibility of recovering valuable metals from solid oxide compounds by gas phase extraction in a fluidised bed by Potgieter, J.H., Kabemba, M.A., Teodorovic, A., Potgieter-Vermaak, S.S., Augustyn, W.G.

“…Recent years have seen the application of the concept of fluidisation extended to different kinds of industrial processes. This technology now plays a central…”
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A Proposed Alternative Suggestion for the Disposal of Used Cooking Oil by Potgieter, J.H., Vermaak, S.S. Potgieter, Tona, D.D., Anelich, L., Roux, M.P., Delport, W.

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