Search Results - "Neomagus, H.W.J.P."

Structural analysis and gasification reactivity of chars derived from the slow pyrolysis of extruded coal fines and recycled plastic by Marais, C., Bunt, J.R., Leokaoke, N.T., Neomagus, H.W.J.P., Okolo, G.N., Wagner, N.J., Meyer, J.A.

“…The evolution of char resulting from the co-pyrolysis of recycled plastic and discard fine coal, along with the impact of varying plastic additions on the…”
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Comparison of industrial wastes as a binder in the agglomeration of coal fines by Uwaoma, Romanus Chinonso, Henning, C.N., Bunt, J.R., Leokaoke, N.T., Neomagus, H.W.J.P.

“…There is limited work reported in the literature on the use of waste material as a coal binder, and no study has reported the use of industrial petroleum waste…”
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Steam gasification kinetics of biochar at elevated pressures by Schroeder, J., Neomagus, H.W.J.P., Bunt, J.R., Everson, R.C., Uwaoma, R.C.

“…A waste product biomass sample was received and charred to produce the biochar sample. The char reactivity experiments were conducted in a high-pressure fixed…”
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The properties of large coal particles and reaction kinetics of corresponding chars by Everson, R.C., Neomagus, H.W.J.P., van der Merwe, G.W., Koekemoer, A., Bunt, J.R.

“…•The chemical, petrographic and physical properties of coal particles of different sizes and densities were determined.•The distribution of properties depended…”
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High-temperature membrane reactors: potential and problems by Saracco, G., Neomagus, H.W.J.P., Versteeg, G.F., Swaaij, W.P.M.van

“…The most recent literature in the field of membrane reactors is reviewed, four years after an analogous effort of ours (Saracco et al., 1994), describing…”
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Sulphur trioxide decomposition with supported platinum/palladium on rutile catalysts: 1. Reaction kinetics of catalyst pellets by Everson, R.C., Stander, B.F., Neomagus, H.W.J.P., van der Merwe, A.F., le Grange, L., Tietz, M.R.

“…An investigation was undertaken to evaluate the intrinsic reactivity, stability and associated diffusional parameters of catalyst pellets consisting of…”
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Sulphur trioxide decomposition with supported platinum/palladium on rutile catalyst: 2. Performance of a laboratory fixed bed reactor by Stander, B.F., Everson, R.C., Neomagus, H.W.J.P., van der Merwe, A.F., Tietz, M.R.

“…The construction, operation and experimental evaluation of a laboratory scale fixed bed reactor for the decomposition of sulphur trioxide with a supported…”
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Salt rejection in nanofiltration for single and binary salt mixtures in view of sulphate removal by Krieg, H.M., Modise, S.J., Keizer, K., Neomagus, H.W.J.P.

“…Three commercial membranes (NF70, NF90 and TFC-SR) were firstly characterized in terms of pure water flux and the rejection of uncharged (alcohols and sugars)…”
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Copper(II) removal from polluted water with alumina/chitosan composite membranes by Steenkamp, G.C., Keizer, K., Neomagus, H.W.J.P., Krieg, H.M.

“…In this paper, the manufacture of a tubular alumina/chitosan composite membrane is described. A porous alumina support was manufactured with a centrifugal…”
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Co-pyrolysis of coal and raw/torrefied biomass: A review on chemistry, kinetics and implementation by Gouws, S.M., Carrier, M., Bunt, J.R., Neomagus, H.W.J.P.

“…[Display omitted] Thermochemical conversion via co-pyrolysis has the potential to be an efficient route for converting biomass to bio-energy and bio-refinery…”
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Development of an integrated model for absorption of sulphur dioxide in limestone slurry by Mchabe, D., Everson, R.C., Ramachandran, P.A., Neomagus, H.W.J.P., Branken, D.J.

“…•Development of an integrated model for SO2 absorption into limestone slurry consisting of four sub-models.•Characterization of regimes of SO2 chemical…”
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CFD modeling of particle charging and collection in electrostatic precipitators by Arif, S., Branken, D.J., Everson, R.C., Neomagus, H.W.J.P., le Grange, L.A., Arif, A.

“…A CFD model was developed to describe the particle laden gas flow through an ESP, particle charging and collection. The corona discharge was modeled using the…”
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The influence of design parameters on the occurrence of shielding in multi-electrode ESPs and its effect on performance by Arif, S., Branken, D.J., Everson, R.C., Neomagus, H.W.J.P., Arif, A.

“…A numerical model in which OpenFOAM® is used to model the electrostatic field resulting from corona discharge in single-channel wire-plate electrostatic…”
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An experimentally validated computational model to predict the performance of a single-channel laboratory-scale electrostatic precipitator equipped with spiked and wire discharge electrodes by Arif, S., Branken, D.J., Everson, R.C., Neomagus, H.W.J.P., Noras, M.A., le Grange, L.A., Arif, A.

“…The validation of a computational model for predicting the performance of a laboratory-scale, single channel, multi-electrode electrostatic precipitator (ESP)…”
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Evaluation of polymer binders in briquetting of coal fines for combustion applications by Botha, D.L., Leokaoke, N.T., Bunt, J. R., Neomagus, H.W.J.P.

“…Coal briquetting traditionally makes use of high-dosage, nonpolymeric binders (such as coal tar pitch or molasses) or polyvinyl alcohol (PVA) at low dosages…”
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Some physical and chemical characteristics of calcium lignosulphonate-bound coal fines by Strydom, C.A., Mthombo, T.S., Bunt, J.R., Neomagus, H.W.J.P.

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Evaluation of the mechanical properties of wood-derived charcoal briquettes for use as a reductant by Makgobelele, N.W., Mbaya, R.K.K., Bunt, J.R., Leokaoke, N.T., Neomagus, H.W.J.P.

“…Silicon Smelters consumes more than 80000 t/a of wood-derived charcoal as carbonaceous reductant in the production of silicon metal. More than 10% of this…”
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Coal reactivity and selection for solid-based pre-reduction of sponge iron by Van Wyk, S., Neomagus, H.W.J.P., Bunt, J.R., Everson, R.C.

“…Solid-based direct reduction of iron ore requires the reductant coal to have a suitable CO 2 reactivity to achieve optimum pre-reduction within a rotary kiln…”
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CO2 reactivity of briquettes derived from discard inertinite-rich Highveld coal using lignosulphonate and resin as binders by Leokaoke, N.T., Bunt, J.R., Neomagus, H.W.J.P., Waanders, F.B., Strydom, C.A.

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Influence of additives on the devolatilization product yield of typical South African coals, and effect on tar composition by Bean, N.C., Bunt, J.R., Strydom, C.A., Neomagus, H.W.J.P., van Niekerk, D., Hattingh, B.B.

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