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Browsing Natural and Agricultural Sciences by Supervisor "Van der Merwe, E.M. (Elizabet Margaretha)"
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Vilakazi, Benni Mabena
(University of Pretoria, 2018)
Fluorochemicals are valuable organic compounds manufactured by PELCHEM, the chemical manufacturing company of NECSA (The South African Nuclear Energy Corporation of South Africa). Fluorochemicals are manufactured through ...
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Du Toit, Grizelda
(University of Pretoria, 2018)
Hybrid fly ash cement is a binder with a composition between that of pozzolanic fly ash cement and alkali activated fly ash cement. Its production requires less cement clinker than ordinary Portland cement, facilitating a ...
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Mohamed, Sameera
(University of Pretoria, 2015)
Mining operations associated with the primary production of PGE’s in South Africa have generated and continue generating large quantities of mineral waste and by-products, for instance in the form of tailings. Mine tailings ...
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Mlambo, T.K. (Thembane Kelvin)
(University of Pretoria, 2012-11-12)
The most widely advocated method of carbon capture and storage involves the injection of CO2 into underground geological formations. Key to the development of this geological sequestration technology is the existence of ...
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Ondo Ndjimbi, Lilian Urlain
(University of Pretoria, 2014)
Phosphogypsum is a waste generated during the production of wet phosphoric acid from phosphate rocks. Numerous studies have attempted to find applications for phosphogypsum, but its composition is generally limiting its ...
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Aphane, Mathibela Elias
(University of Pretoria, 2020)
Silica nanoparticles are one of the most frequently used inorganic support materials for
heterogeneous catalyst immobilization. Their high thermal and chemical resistance, and their
good sorption properties provided by ...
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Mathebula, Confidence Lethabo
(University of Pretoria, 2013-05-27)
Thirty million tons of coal fly ash are produced each year in South Africa of which approximately 5% is utilised beneficially. With the growing concern about pollution and increasing landfill costs, the study of the ...