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Browsing Chemical Engineering by Type "Thesis"
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Mokwatlo, Sekgetho Charles
(University of Pretoria, 2020-08-28)
Biofilms of the bovine rumen bacterium Actinobacillus succinogenes have demonstrated their exceptional capabilities as biocatalysts for high productivity, titre and yield production of succinic acid (SA). Succinic acid is ...
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Gololo, Khunedi Vincent
(University of Pretoria, 2013)
Cooling water systems are used to remove excess heat from a chemical process to the atmosphere. The primary components of these systems are the cooling tower and the heat exchanger network. There is a strong interaction ...
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Babalola, Samuel Olatunde
(University of Pretoria, 2024-02-26)
Active pharmaceutical contaminants which are constantly released into both surface and ground water through wastewater treatment plants (WWTP), run-off from agricultural fields, excretion, and disposal of unused or expired ...
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Akinshipe, Oladapo Bola
(University of Pretoria, 2018)
The quantification of atmospheric emissions from clamp kilns in the clay brick industry has met with limited success globally. The complex configuration of clamp kilns using coal or other carbonaceous fuels, as well as the ...
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Nieuwoudt, Martin J.
(University of Pretoria, 2010-06-14)
Acute liver failure (ALF) is a rare but devastating clinical syndrome with multiple causes and a variable course. The mortality rate is high. Orthotopic liver transplantation is the only therapy of proven survival benefit ...
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Rava, Eleonora Maria Elizabeth
(University of Pretoria, 2017)
Coal gasification stripped gas liquor (CGSGL) wastewater contains large quantities of complex organic and inorganic pollutants which include phenols, ammonia, hydantoins, furans, indoles, pyridines, phthalates and other ...
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Igboamalu, Tony Ebuka
(University of Pretoria, 2018)
Environmental sustainability has become a leading discussion in the world, coupled with a
quest to minimise severe environmental pollution. The chrome mining and ferrochrome
processing industrial revolution has contributed ...
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Mtimunye, Phalazane Johanna
(University of Pretoria, 2015)
Tailing dumps and process waste stockpiles at uranium mining sites and nuclear power
processing facilities contain significant levels of uranium. Uranium in the tailing dumps can
exist either as U(VI) or U(IV) depending ...
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Ngwenya, Nonhlanhla
(University of Pretoria, 2011-10-14)
The performance of a growing sulphate reducing bacteria consortium for Sr2+, Co2+ and Cs+ removal from solution in a batch sulphidogenic bioreactor was investigated. Metal removal by the growing bacterial consortium, and ...
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Bezza, Fisseha Andualem
(University of Pretoria, 2016)
Petroleum hydrocarbons are organic pollutants of major concern due to their wide distribution, persistence, complex composition, and toxicity. They can bioaccumulate in food chains where they disrupt biochemical or ...
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Khumalo, Lerato
(University of Pretoria, 2020)
Fugitive coal dust emissions are a cause of concern from a government and public perspective, particularly so in communities living in proximity of the coal mines. Atmospheric dust contains various constituents and coal ...
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Kruger, Hermanus Joachim
(University of Pretoria, 2017)
In the pursuit of lower cost intumescent flame retardant (IFR) systems, the compound expandable graphite (EG) was identified. This compound delivers high flame retardant performance but provides non-uniform thermal shielding ...
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Mhlabeni, Thobile Lillian Jr
(University of Pretoria, 2023-08-17)
Wax is often used as a processing additive in polymer compounding, particularly in thermoplastic processing, due to its ability to improve processability. Wax acts as an external lubricant in the polymer melt, reducing the ...
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Atanasova, Maria Todorova
(University of Pretoria, 2017)
This research aimed to characterise the physico-chemical and structural properties of rectorite from a local deposit, the Beatrix Gold Mine in South Africa and to investigate its unique material properties. The ultimate ...
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Saayman, Jean
(University of Pretoria, 2013)
There are many large-scale contacting methods for gas reactions requiring a solid catalyst. The catalytic gas-solid Fluidized Bed Reactor (FBR) is one of the popular methods in industry. In FBRs the bulk of the gas throughput ...
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Reynders, Jonathan
(University of Pretoria, 2022)
The CRIPS 2 dual fluidised bed pyrolysis unit at the University of Pretoria was successfully constructed and subsequently commissioned through eight experimental runs. The scope of the investigation involved determining ...
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Sitoe, Alcides Everildo José
(University of Pretoria, 2019)
Malaria parasite infects more than 200 million people and about 435 000 succumb to the illness annually (WHO, 2019). Victims are mostly young children and pregnant women. It is transmitted by the bite of the infected female ...
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Van Laar, Jean H.
(University of Pretoria, 2018)
Alumina particles were successfully coated with silicon carbide (SiC) layers in a microwave plasma-assisted spouted bed reactor. Methyltrichlorosilane (MTS) was used as precursor for the SiC deposition reaction, and argon ...
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Kornelius, Gerrit
(University of Pretoria, 2006-05-19)
Granular gas bed filters have been used in industry for a considerable period and mathematical descriptions of dust capture have allowed rigorous design of static beds. Provision for bed movement and electrostatic augmentation, ...
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Rossle, Werner Herbert
(University of Pretoria, 2008-12-15)
Settling properties of activated sludge or mixed liquor suspended solids (MLSS) have been studied for more than 75 years at wastewater treatment plants. Temperature, together with MLSS concentration, has been acknowledged ...