Browsing Magister Scientiae - MSc (Chemistry) by Author "Petrik, Leslie"
Now showing items 1-13 of 13
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Active neutralisation and amelioration of acid mine drainage with fly ash
Surender, Damini (University of the Western Cape, 2009)Fly ash and AMD samples were characterised by standard analytical methods for selection of the test materials. Active treatment by means of mixing fly ash with AMD in beakers and a large tank at pre-determined ratios have ... -
Active neutralisation and amelioration of acid mine drainage with fly ash
Surender, Damini (University of the Western Cape, 2009)Due to the constraints being placed on water resources and a drive for major industries to recycle waste water, improved and cheaper water treatment technologies are being investigated. During mining, pyrite (FeS2), a ... -
Chemical, physical and morphological changes in weathered coal fly ash : a case study of brine impacted wet ash dump
Eze, Chuks Paul (University of the Western Cape, 2011)Fly ash is the major waste material produced by power plants in the combustion of coal to generate electricity. The main constituents of fly ash are Si, Al, Fe and Ca with smaller amount of S, Mn, Na, K, and traces of ... -
CO2 sequestration using brine impacted fly ash
Muriithi, Grace Nyambura (University of the Western Cape, 2009)Coal combustion accounts for over 40 % of the world's energy production and this figure is projected to increase with increasing human population and industrialization. The combustion of coal leads to the generation of ... -
The composition of photocatalytic nanofibres through electrospinning
Farao, Al Cerillio (University of the Western Cape, 2014)The aim of this study was to enrich electrospun fibres with the active mineral phase TiO2 nanoparticles and then to evaluate how well the composite fibres performed in the photocatalytic degradation of methylene blue ... -
The fate and transport of carbon-based nanomaterials in the environment
MacDonald, Riccarda Thelma (University of Western Cape, 2020)The interest in carbon-based nanomaterials, such as carbon-nanodots and graphene, has grown exponentially because these materials have unique properties and applications in the medical, electronic, clean energy and several ... -
Ion exchange resins an functional fibres: a comparative study for the treatment of brine waste water
Yalala, Bongani Ndhlovu (University of the Western Cape, 2009)To improve the adsorption capacity of polyacrylonitrile (PAN) fibres, hydrophilic amidoxime fibres were prepared by subsequent conversion of the cyano groups to an amidoxime group by reacting with hydroxylamine at 80°C at ... -
Long-range transport clusters, fine particulate matter (PM2.5) and soot concentrations of air masses in Cape Town, South Africa
Williams, John Peter (University of the Western Cape, 2018)Ambient air pollution is the biggest environmental threat to human health. According to the World Health Organisation (WHO), ambient air pollution kills millions of people worldwide every year. Airborne particulate matter ... -
The role of aluminium content in the control of the morphology of fly ash based hierarchical zeolite X
Cornelius, Mero-Lee Ursula (University of the Western Cape, 2015)Coal is the main source of electricity in South Africa, the combustion of which produces a large amount of waste (coal fly ash) annually. The large-scale generation of coal fly ash places major strain on landfills and the ... -
The role of surface modified TiO2 nanoparticles for application in 68Ge/68Ga generator systems and the use of molecular imprinted polymers for 68Ge breakthrough control
Buwa, Sizwe (University of Western Cape, 2021)Titanium dioxide (TiO2) has potential as an adsorbent within the 68Ge/68Ga generator context. To function effectively, three basic requirements are required: optimum 68Ga elution efficiency, stability and removal of the ... -
Supported metal catalysts for friedel-crafts alkylation
Hlatywayo, Tapiwa (2013)The research focused on the synthesis, characterisation and activity of zeolite supported metal catalysts for the Friedel-Crafts alkylation of benzene with t-butyl chloride. Alkyl benzenes are traditionally produced via ... -
The toxicity of silver nanoparticles
Motsoeneng, Khothatso Patricia (University of the Western Cape, 2012)Unavailability and contamination of available water resources are major factors contributing to adverse health conditions worldwide. AgNPs present a potential strategy for water purification; however, their ability to ... -
Water treatment using electrohydraulic discharge system
Mouele, Emile Salomon Massima (University of the Western Cape, 2014)In South Africa, water pollution problems have continued to increase due to increasing anthropogenic activities. The increasing number of organic contaminants in various water sources can be attributed to industrial ...