Author:Ravat, E; Tucker, KCDate:Feb 2006Enver from South Africa started by talking about the AVOIR project at the University of the Western Cape (UWC) which involves 12 other African universities tasked with developing a learning management system called KEWL (Knowledge Environment ...Read more
Author:MacLucas, David ADate:Oct 2012The focus of the author's thesis was the aerodynamic flow field that develops as a result of the interaction of a moving plane shock wave with concave profiles. In this presentation, he discusses some of the interesting flow phenomena that ...Read more
Author:Arunachellan, IC; Sypu, VS; Kera, NH; Pillay, K; Maity, ArjunDate:Aug 2021In the present work, raw waste material obtained from polluting dried tree fibres (raw TF) as a source of natural carbon was used for the removal of contaminating copper ions in water. Through two sequential steps of oxidation, carbonaceous ...Read more
Author:Engelbrecht, AS; North, Brian C; Oboirien, BO; Everson, RC; Neomagus, HWPJDate:Nov 2011The gasification of two high-ash coals were studied using a pilot scale fluidised bed gasifier using oxygen enrich air and steam as the gasification agents. The results of the tests show that the fixed carbon conversion and calorific value ...Read more
Author:North, Brian C; Engelbrecht, AD; Hadley, TDDate:Sep 2006To cope with increasing electricity demand, South Africa will need to install approximately 1000 MW of generating capacity per year for the foreseeable future. Whilst there is increasing pressure to adopt non-fossil fuel electricity generating ...Read more
Author:Engelbrecht, A; North, Brian C; Oboirien, B; Majozi, T; Madzivhandila, VDate:Jun 2011South Africa has abundant resources of high-ash and other low-quality coals. The aim of this work is to investigate the possibility of using fluidised bed gasification technology to convert these coals at a high efficiency into clean fuel gas ...Read more
Author:North, Brian C; Hadley, TD; Engelbrecht, ADDate:28 Jun 2007This conference presentation discusses fluidisation fundamentals; fluidised bed technology; the wide range of applications for example in minerals treatment, but emphasis will be on combustion and gasification; applications of fluidised bed ...Read more
Author:North, Brian C; Engelbrecht, Andre D; Oboirien Bilainu, O; De la Rey, J; Mashinini, LDate:Oct 2017Coal beneficiation in South Africa is currently conducted mostly on a wet “float and sink” basis. This process is heavily water intensive and also potentially polluting. Dry beneficiation alternatives are being sought. The alternative of dry ...Read more
Author:Engelbrecht, AD; Everson, RC; Neomagus, HWPJ; North, Brian CDate:May 2010An investigation was undertaken to ascertain the suitability of four selected low grade, South African coals for gasification in a bubbling fluidized bed for production of synthesis gas and for the development of integrated gasification ...Read more
Author:Kershaw, JRDate:1977The use of fluorescence spectroscopy as a qualitative analytical technique for the analysis of polyaromatic hydrocarbons in coal-derived liquids is reported.Read more
Author:Copeman, JH; Von Wolff, WTEDate:1968The present study was undertaken to establish to what extent the method could be applied to analysis of coal ashes.Read more
Author:Makhado, R; Bologo, T; Knight, RDate:May 2006This paper presents an overview of a report on an investigation on the use of cheap wood ash as an effective means of removing excess fluoride from drinking water used by an impoverished rural community of the Didi village in Limpopo province.Read more
Author:Palaniyandy, Nithyadharseni; Nkosi, Funeka P; Raju, Kumar; Ozoemena, KIDate:Apr 2018A facile synthesis of fluorinated Mn3O4 nano-spheres (F-Mn3O4) from low-cost electrolytic manganese dioxide (EMD) at different temperatures and times has been reported. While the as-prepared materials are micron-sized (>200 nm) and the ...Read more
Author:Cele, Zamani ED; Somboro, AM; Amoako, DG; Ndlandla, Lindokuhle F; Balogun, Mohammed ODate:Nov 2020Chitosan has become an established platform biopolymer with applications in biomedical engineering, nanomedicine, and the development of new materials with improved solubility, antimicrobial activity, and low toxicity. In this study, a series ...Read more
Author:Maliage, M; Roos, THDate:May 2012The purpose of this paper is to validate SolTrace for concentrating solar investigations at CSIR by means of a test case: the comparison of the flux distribution in the focal spot of a 1.25 m2 target aligned heliostat predicted by the ray ...Read more
Author:Zoorob, SE; Mturi, George AJ; Sangiorgi, C; Dinis-Almeida, M; Habib, NZDate:Jan 2018he concept of temperature shift factor (aT) as defined by Doolittle, relating the free volume of a viscoelastic material at the current and reference states is briefly examined together with the resultant William-Landel-Ferry equation. This ...Read more
Author:Van der Walt, GHJ; Van Rensburg, NJJDate:May 1985Different cotton fabrics, ranging from 91 to 330 g/m, were foam-dyed on a laboratory scale FFT machine using various reactive dyes.Read more