Search Results - "POTGIETER, J.H."

Spark plasma sintering of graphitized multi-walled carbon nanotube reinforced Ti6Al4V by Adegbenjo, A.O., Olubambi, P.A., Potgieter, J.H., Shongwe, M.B., Ramakokovhu, M.

“…Graphitized multi-walled carbon nanotubes (MWCNTGr) reinforced Ti6Al4V (Ti64) matrix composites prepared via the powder metallurgy route were synthesized by…”
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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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The removal of phosphate ions from aqueous solution by fly ash, slag, ordinary Portland cement and related blends by Agyei, N.M., Strydom, C.A., Potgieter, J.H.

“…Phosphate ions have been removed from aqueous solution by fly ash, slag, ordinary Portland cement (OPC) and related cement blends. The rate and efficiency of…”
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The beneficial effect of ruthenium additions on the passivation of duplex stainless steel corrosion in sodium chloride solutions by Sherif, El-Sayed M., Potgieter, J.H., Comins, J.D., Cornish, L., Olubambi, P.A., Machio, C.N.

“…The effect of varying ruthenium contents of 0.00, 0.14, 0.22, and 0.28% on the corrosion of 22%Cr–9%Ni–3%Mo duplex stainless steel (DSS) after different…”
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DFT and CV data of 4-phenyl-substituted dichloro(bis{2-[1-(phenyl)-1H-1,2,3-triazol-4-yl-κN3]pyridine-κN})iron(II) coordination compounds by Conradie, J., Conradie, M.M., Mtshali, Z., Potgieter, J.H.

“…The data presented in this paper are related to the research article entitled “Synthesis, characterisation and electrochemistry of eight Fe coordination…”
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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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An evaluation of selected waste resources for utilization in ceramic materials applications by Jonker, A., Potgieter, J.H.

“…Many industrial processes generate large amounts of waste. Typical examples include the fertiliser industry (phosphogypsum), ferro-alloy and steel producers…”
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Chemical and structural data of (1,2,3-triazol-4-yl)pyridine-containing coordination compounds by Conradie, J., Conradie, M.M., Tawfiq, K.M., Al-Jeboori, M.J., D'Silva, C., Coles, S.J., Wilson, C., Potgieter, J.H.

“…The data presented in this paper are related to the research article entitled “Novel…”
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An investigation into the effect of various chemical and physical treatments of a South African phosphogypsum to render it suitable as a set retarder for cement by Potgieter, J.H., Potgieter, S.S., McCrindle, R.I., Strydom, C.A.

“…The work describes various physical and chemical treatments to eliminate the deleterious effects of impurities in phosphogypsum on the delayed setting time and…”
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Distribution of atmospheric marine salt depositions over Continental Western Europe by Delalieux, F., van Grieken, R., Potgieter, J.H.

“…This contribution describes the distribution of marine salt aerosols in Belgium, France and Spain, as obtained from applying a kriging model to a set of data…”
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A comparison of the performance of various synthetic gypsums in plant trials during the manufacturing of OPC clinker by Potgieter, J.H., Potgieter, S.S., McCrindle, R.I.

“…This paper compares the plant performances of various synthetic gypsums used as set regulators in cement. The decision about the suitability of a specific…”
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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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Gas phase extraction of iron from its oxide in a fluidized bed reactor by Van Dyk, L., Mariba, E.R.M., Chen, Y., Potgieter, J.H.

“…Interest in extraction processes that utilise organic ligands in the gas phase has been growing since such processes appear to eliminate many of the problems…”
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Determination of hexavalent chromium in South African cements and cement-related materials with electrothermal atomic absorption spectrometry by Potgieter, S.S, Panichev, N, Potgieter, J.H, Panicheva, S

“…The selective extraction of Cr(VI) in a cement matrix, based on treatment with 0.1 M Na 2CO 3 solution and subsequent determination of chromium by…”
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Thermogravimetric analysis of the reaction between carbon and CaSO4·2H2O, gypsum and phosphogypsum in an inert atmosphere by van der Merwe, E.M, Strydom, C.A, Potgieter, J.H

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Corrosion resistance of duplex stainless steels in selected organic acids and organic acid chloride environments by Adams, F.V, Olubambi, P.A, Potgieter, J.H, Van Der Merwe, J

“…Purpose - The purpose of this paper is to supplement the scant previous investigations on the corrosion behaviour of 2205 and 2507 duplex stainless steels in…”
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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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Selection of a suitable ligand for the supercritical extraction of gold from a low-grade refractory tailing by van Dyk, L.D., Mawire, G., Potgieter, J.H., Dworzanowski, M.

“…Reprocessing tailings for gold recovery is generating new low-grade refractory secondary tailings. Unlocking gold trapped within these secondary tailings…”
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Corrosion of hot end automotive exhaust components by Potgieter, J.H, Sephton, M, Nkosi, Z.W

“…Purpose - To evaluate the corrosion resistance of four different stainless steels often employed in hot end exhaust components.Design methodology approach -…”
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