Author:Barker, DDate:Dec 2015It’s a story of following one’s dream. Belonging to Werner Heiml, ZU-SFP originated from Germany where it was used as a basic trainer in the Luftwaffe. The P149D was originally developed and manufactured by Piaggio & Co, Italy, in 1953 and ...Read more
Author:Mittal, H; Jindal, R; Kaith, BS; Maity, Arjun; Ray, SSDate:Jan 2015This study reports the microwave-assisted synthesis of gum-ghatti (Gg)-grafted poly(acrylamide-co-methacrylic acid) (AAm-co-MAA) hydrogels for the development of biodegradable flocculants and adsorbents. The synthesized hydrogels were ...Read more
Author:Geldenhuys, CJDate:Feb 1993An annotated list of species recorded in the forests of the southern Cape is provided. The flora comprises 470 species which belong to 280 genera and 106 families (50 monogeneric families, 32 monospecific families and 193 monospecific genera). ...Read more
Author:Mabaso, NMDate:Nov 2006Slides include: FLOSS in support of strategic objectives; FLOSS in research and develpment; Research in support of national objectives; ImpactRead more
Author:Tucker, KCDate:Feb 2006Education is fundamental to development and the foundation for addressing and improving some of the key development challenges facing Africa. The focus groups recommend that FOSSFA convene a working group to address these important, pivotal ...Read more
Author:Tucker, KCDate:Feb 2006The FLOSSWorld Regional Workshop for Africa, will be held in conjunction with Idlelo 2, the foremost conference on FLOSS in Africa which will bring together people from across the continent (and the world) to assess current status and plot a ...Read more
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