• The preparation and catalytic activity of iron oxide silica nanofibers for the Fenton degradation of methylene blue. 

  Mthombo, Phindile (Vaal University of Technology, 2020)

  Several industries utilize species of synthetic dyes that are found in their wastewater, which is passed out in the environment. Methylene blue is one of the organic dyes that causes water pollution. It causes damage to ...
• Synthesis and characterization of undoped and Ag doped TiO2, ZnO and ZnS nanoparticles for the photocatalytic degradation of 2-chlorophenol under UV irradiation. 

  Onkani, Shirley Priscilla (Vaal University of Technology, 2019-07-08)

  Phenol, 2-chlorophenol (2-CP) is used in the manufacture of several chemical compounds including other chlorophenols, dyes, dentifrice and pesticides. The usage of these chemicals results in the discharge of 2-CP that is ...
• Effect of preparation parameters of iron oxide nanoparticles on the fenton catalytic activity for the degradation of dye. 

  Matlhatse, Malatji (Vaal University of Technology, 2021-03)

  Water polluted by recalcitrant organics, such as methylene blue (MB), can be treated with the Fenton reaction. The Fenton reaction degrades the pollutants through catalytic oxidation. Unsupported iron oxide nanoparticles ...
• Photodegradation of selected pharmaceuticals using magnetic-carbon dot loaded on different TiO2 nanostructures. 

  Moshoeu, Edna Dimakatso (Vaal University of Technology, 2020-11)

  To replace the conventional wastewater treatment technology, photocatalysis has the best potential due to its utilization of visible light to photodegrade organic and inorganic contaminants. However, agglomeration of ...
• The effect of carboxylic acids on the size and shape of Co3O4 nanoparticles: used as capping molecules and ligands in the preparation method 

  Thabede, P. M. (Vaal University of Technology, 2017-09-12)

  This study reports the synthesis and characterization of cobalt oxide nanoparticles using a microwave technique and chemical precipitation with oxidation method. Cobalt complexes were prepared using carboxylic acids (acetic ...
• Thiourea-urea metal (Cd & Ni) chalcogenide (O & S) complexes for the synthesis and characterization of metal chalcogenide nanoparticles 

  Masangane, Tankiso (Vaal University of Technology, 2018)

  The understanding of the fundamental properties and potential use of semiconductor materials in nanotechnology has stimulated the interest of many researchers. Coordination compounds containing ligands with chalcogenide ...
• Antimicrobial activity and dye photodegradation of titanium dioxide nanoparticles immobilized on polyacrylonitrile-cellulose acetate polymer blended nanofibers. 

  Nkabinde, Sibongile Chrestina (Vaal University of Technology, 2019)

  Electrospinning is a method that has gained more attention due to its capability in spinning a wide variety of polymeric fibers and nanoparticles embedded in polymer fibers. Polymer blending has been considered the most ...
• Biodiesel Production by Transesterification of Waste Cooking Oil Using Modified Attapulgite. 

  Mabungela, Ntandokazi (Vaal University of Technology, 2019-10)

  Biodiesel has an ability to solve the problem associated with the use of fossil fuels as a source of energy. The aim of this study was to produce biodiesel from waste cooking oil (WCO) by transesterification, catalysed ...
• Organic acid coated magnetic nanparticles as adsorbent for organic pollutants in aqueous solution. 

  Masuku, Makhosazana Nancy (2019-03)

  Benzene, toluene and xylene (BTX) are water pollutants that appear very often in chemical and petrochemical wastewaters due to gasoline leakage from storage tanks and pipelines. These BTX compounds can cause adverse health ...
• Antimicrobial activity of synthesized copper chalcogenides nanoparticles and plant extracts. 

  Mbewana, Nokhanyo (2019-03)

  Chemical precipitation method is the most widely used of all methods for preparing good quality semiconductor nanoparticles. Several conditions are optimized for producing the desired size and shape of particles. The ...
• The use of bimetallic heterogeneous oxide catalysts for the Fenton reaction 

  Mgedle, Nande (Vaal University of Technology, 2019)

  Water contaminated with non-biodegradable organics is becoming increasing problematic as it has a hazardous effect on human health and the aquatic environment. Therefore, the removal of organic contaminants is of importance ...
• Synthesis and characterization of graphene and carbon nanotubes for removal of heavy metals from water 

  Thema, Force Tefo (Vaal University of Technology, 2012-06)

  The commercial flake graphite was prepared into functionalized graphite oxide (GO) by adopted chemical treatment. After the exfoliation and intercalation of graphite into functionalized graphene oxide that formed stable ...
• Preparation, modification and characterization of activated carbon derived from Macadamia nutshells and its adsorption rate and capacity for Au(CN)2- compared to commercially prepared coconut shells 

  Tsolele, Refiloe (Vaal University of Technology, 2017-09)

  Activated carbons have been produced from various carbonaceous source materials including nutshells, peat, wood, coir, lignite, coal and petroleum pitch and the produced carbons have been used for adsorption of inorganic ...
• Preparation and characterization of Manganese doped iron oxide magnetic nanoparticles coated pine cone powder and its applications in water treatment 

  Ouma, Immaculate Linda Achiengꞌ (2019-03)

  Trivalent arsenic (As(III)) and hexavalent chromium (Cr(VI)) toxicity have necessitated a great deal of research into the remediation of contaminated water. The techniques applied including oxidation, coagulation-flocculation ...
• Effect of size and shape of cobalt oxide nanoparticles on the fenton catalytic activity. 

  Kganyago, Semakaleng Vivian (2019-01)

  Water is a limited resource and pollution has become an increasing problem due to industrialization. Aromatic organic pollutants are resistant to biodegradation, and thus chemical methods like the Fenton reaction is required ...
• Removal of selected chlorinated phenolic compounds from water sources in Vaal Triangle using HPLC, Macadamia nutshell activated carbon and solid phase extraction 

  Machedi, Sechaba (2017-12)

  In this study, analytical method for determining the chlorinated phenols in water was developed using High Performance Liquid Chromatography. The following four compounds which are 2, 4, 6- Trichlorophenol (2, 4, 6 TCP), ...
• Method development for determination and removal of the selected steroids from water sources in selected areas around the Vaal River in South Africa using High performance Liquid Chromatography, Macadamia Activated Carbon and Solid Phase Extraction 

  Khotha, Doctor Elias (2018)

  A simple and rapid method for determination of estrone (E1) and β-estradiol (E2) was developed and validated using high performance liquid chromatography (HPLC). The solutions of standards and sample were prepared with ...
• Macadamia nutshell powder grafted with 1,5’-diphenylcarbizide for enhanced removal of Cr(VI ) from aqueous solution 

  Maremeni, Londolani Charity (2018-08)

  Agricultural waste such as Macadamia nutshells are currently receiving more attention for removal of hexavalent chromium (Cr(VI)). However, they have low adsorption capabilities when used in their raw form. In this study, ...
• Synthesis, characterization and application of amine-modified Macadamia nutshell adsorbents and ion imprinted polymers for the sequestration of Cr(VI) ions from aqueous solution 

  Nchoe, Obakeng Boikanyo (2018-08)

  Persisting challenges associated with remediation of heavy metals from aqueous media have stirred the need for enhancement of current technologies. Cellulosic agro waste materials (AWM) as well as ion-imprinted polymers ...
• Simultaneous sequestration of Cr(VI) and Cr(III) from aqueous solutions by activated carbon and ion-imprinted polymers 

  Lesaoana, Mahadi (2018-08)

  Macadamia activated carbon (MAC) was impregnated with different concentrations of nitric acid and heated under reflux to improve the structural characteristics of the adsorbent for both considerable reduction and enhanced ...

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