Browsing by Author "Petrik, Leslie"
Now showing items 21-31 of 31
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Surface-modified polyacrylonitrile nanofibers as supports
Bode-Aluko, Chris Ademola; Pereao, Omoniyi; Fatoba, Olanrewaju; Petrik, Leslie (Springer Verlag, 2017)Polyacrylonitrile nanofibers (PAN-nfs) are one of the most studied nanofibres because of their excellent characteristics, such as good mechanical strength, chemical resistance, and good thermal stability. Due to the easy ... -
Synthesis and characterization of carbon doped TiO2 photocatalysts supported on stainless steel mesh by sol-gel method
Tijani, Jimoh O.; Fatoba, Ojo O.; Totito, T. C.; Roos, W. D.; Petrik, Leslie (Korean Carbon Society, 2017)This study synthesized pure anatase carbon doped TiO2 photocatalysts supported on a stainless steel mesh using a sol-gel solution of 8% polyacrylonitrile (PAN)/dimethylformamide (DMF)/TiCl4. The influence of the pyrolysis ... -
Synthesis of an ordered mesoporous carbon with graphitic characteristics and its application for dye adsorption
Boke, Nuran; Godongwana, Ziboneni G.; Petrik, Leslie (Springer, 2013)An ordered mesoporous carbon (OMC) was prepared by a chemical vapor deposition technique using liquid petroleum gas (LPG) as the carbon source. During synthesis, LPG was effectively adsorbed in the ordered mesopores of ... -
Synthesis of hydroxy sodalite from coal fly ash for biodiesel production from waste-derived maggot oil
Shabani, Juvet Malonda; Babajide, Omotola; Petrik, Leslie (MDPI, 2019)Zeolites are aluminosilicate crystalline materials known for their unique characteristics, and have been prominent for nearly half a century due to their wide and important industrial applications. The production of zeolites, ... -
Synthesis of stabilized iron nanoparticles from acid mine drainage and Rooibos tea for application as a Fenton-like catalyst
Kimpiab, Elyse; Kapiamba, Kashala Fabrice; Petrik, Leslie (American Chemical Society, 2022)Intensive mining activities generate toxic acid mine drainage (AMD) effluents containing a high concentration of metals, including iron. The chemical synthesis of iron nanoparticles from this waste could lead to further ... -
Synthesis of zeolites from coal fly ash using mine waters
Musyoka, Nicholas M.; Petrik, Leslie; Fatoba, Ojo O.; Hums, Eric (Elsevier, 2013)In this study mine waters obtained from coal mining operations in South Africa were used as a substitute for pure water during the synthesis of zeolites from South African coal fly ash. Procedures that had been optimized ... -
Synthesis of zeolites Na-P1 from South African coal fly ash: effect of impeller design and agitation
Mainganye, Dakalo; Ojumu, Tunde V.; Petrik, Leslie (MDPI, 2013)South African fly ash has been shown to be a useful feedstock for the synthesis of some zeolites. The present study focuses on the effect of impeller design and agitation rates on the synthesis of zeolite Na-P1 which are ... -
Treatment of persistent organic pollutants in wastewater using hydrodynamic cavitation in synergy with advanced oxidation process
Badmus, Kassim Olasunkanmi; Tijani, Jimoh O.; Massima, Emile; Petrik, Leslie (Springer, 2017)Persistent organic pollutants (POPs) are very tenacious wastewater contaminants. The consequences of their existence have been acknowledged for negatively affecting the ecosystem with specific impact upon endocrine disruption ... -
Use of antibacterial nanoparticles in Endodontics
Ibrahim, A. I. O.; Moodley, Desi; Petrik, Leslie; Patel, Naren (South African Dental Association (SADA), 2017)Several root canal irrigants and medicaments are available to combat endodontic pathogens. However, evidence of complete elimination of these pathogens by the use of these solutions is not recorded in the literature. ... -
Use of coal fly ash as a catalyst in the production of biodiesel
Babajide, Omotola; Petrik, Leslie; Musyoka, Nicholas; Amigun, Bamikole; Ameer, Farouk (Slovnaft VÚRUP, 2010)South Africa is largely dependent on the combustion of coal for electricity production; Eskom’s coalfired power stations consume approximately 109 million tons of coal per annum, producing around 25 million tons of ash, ... -
Waste minimization protocols for the process of synthesizing zeolites from South African coal fly ash
Du Plessis, Pieter W.; Ojumu, Tunde V.; Petrik, Leslie (MDPI, 2013)Production of a high value zeolite from fly ash has been shown to be an avenue for the utilization of South African fly ash which presently constitutes a huge disposal problem. The synthesis of zeolites Na-P1 and analcime ...