Author:Oberholster, Paul J; Cheng, Po-Hsun; Genthe, Bettina; Steyn, MaronelDate:Jul 2018Employing specific algae treatment to treat municipal domestic wastewater effluent presents an alternative practice to improving water quality effluent of existing rural pond systems in Southern Africa. In the present study, domestic wastewater ...Read more
Author:Abraham, E; Deepa, B; Pothen, LA; Cintil, J; Thomas, S; John, Maya J; Anandjiwala, R; Narine, SSDate:Feb 2013The objective of this work was to develop an environmental friendly method for the effective utilization of coir fibre by adopting steam pre-treatment. The retting of the coconut bunch makes strong environmental problems which can be avoided ...Read more
Author:Wright, CDate:Nov 2010The State of the Environment Report, the State of Air Report and the District Health Barometer Report for South Africa, as examples, give some indication of the status of environmental health outcomes, environmental conditions, implemented ...Read more
Author:Taviv, R; Brent, AC; Fortuin, HDate:Apr 2009The Long-range Energy and Alternatives Planning (LEAP) energy planning system has been developed for South Africa, for the 2005 base year and a limited number of plausible future scenarios that may have significant implications (negative or ...Read more
Author:Ampofo-Anti, NDate:Feb 2009To place construction on a truly sustainable path the green building movement needs a method which goes beyond subjective checklists of green features. Such a method must provide objective guidelines for a comprehensive assessment of the ...Read more
Author:Ampofo-Anti, NLDate:Jul 2012Environmental labelling enables consumers to use their purchasing choices to protect the environment. The concluding declarations of the first three Earth Summits however caution that to truly serve this purpose, environmental labelling should ...Read more
Author:Ecosystem ProgrammesDate:Dec 1982The National Programme for Environmental Sciences is a cooperative undertaking of scientists and scientific institutions in South Africa concerned with research related to environmental problems. This annual report describes the rationale, ...Read more
Author:Szewczuk, SDate:Mar 2016Environmental Technology Verification (ETV) is a tool that has been developed in the United States of America, Europe and many other countries around the world to help innovative environmental technologies reach the market. Claims about the ...Read more
Author:Ray, Suprakas SDate:Jul 2013In recent years, the development of eco-friendly polymeric materials with balanced properties has become a subject of research attention due to concerns with increasing global-warming, carbon-emission, and limited natural resources. ...Read more
Author:Gottsmann, D; Osman, ADate:May 2010The study presents a design for this catalyst as a possible generic solution – with specific application in the context of Mamelodi Township near Pretoria in South Africa. The design makes provision for the informal economic sector. Ultimately ...Read more
Author:Malwela, T; Ray, SSDate:Jun 2015Films of a biodegradable PLA/PBSA blend and blend-composites containing 2 wt% of C20A, C30B and MEE were prepared by solvent casting and spin coating. The films were incubated in vials containing Tris–HCl buffer with Proteinase K, and their ...Read more
Author:Botlhoko, Orebotse J; Makwakwa, Dimakatso M; Ray, SS; Ramontja, JDate:Dec 2018Commodity polymers are the most widely used materials for electronic packaging applications. However, they are nondegradable and causing serious environmental damage. Addressing this challenge, the relative effects of graphite (G) and graphene ...Read more
Author:Juma, WP; Chhiba, Varsha P; Brady, D; Bode, MLDate:Sep 2017Racemic Morita-Baylis-Hillman adducts derived from the reaction of acrylonitrile with benzaldehyde, cinnamaldehyde and hydrocinnamaldehyde have been successfully resolved by means of enzymatic kinetic resolution. The (+)-alcohol products were ...Read more
Author:Rashamuse, KJ; Mutambanengwe, CCZ; Whiteley, CGDate:Apr 2008It has been established that dissolved heavy metals escaping into the environment pose a serious health hazard. As a result, there is an urgent need for controlling metal emissions into the environment. The aims of this study were to purify ...Read more
Author:Chhiba, Varsha P; Bode, M; Mathiba, K; Brady, DDate:Jun 2014The use of enzymes for the enantioselective synthesis of single enantiomer ß-subsituted compounds is of interest, as this structural motif occurs commonly in compounds of pharmaceutical importance, such as adrenergic agents, antidiabetics, ...Read more
Author:Visser, Daniel F; Gordon, GER; Bode, ML; Mathiba, K; Brady, DDate:May 20125-Methyluridine (5-MU) is an intermediate in the synthesis of ß-thymidine and the antiretroviral drugs stavudine (d4T) and zidovudine (AZT)1-3. The enzymatic preparation of 5-MU involves transglycosylation4-6 and avoids the formation of ...Read more
Author:Roman, HJ; Burgess, JE; Pletschke, BIDate:May 2006The aim of anaerobic digestion of primary sewage sludge is to convert the carbonaceous material contained in the solids into methane and carbon dioxide. The products of digestion are therefore gases, stabilised sludge solids which are ...Read more
Author:Walker, D; Smigaj, M; Jovanovic, NebojsaDate:May 2019Ephemeral sand rivers are common throughout the world's dryland regions, often providing a water source where alternatives are unavailable. Alluvial aquifer recharge results from rare surface water flows. Assessment of surface flow frequency ...Read more