Browsing Chemical Engineering by Supervisor "Labuschagne, F.J.W.J. (Frederick Johannes Willem Jacobus)"
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Browsing Chemical Engineering by Supervisor "Labuschagne, F.J.W.J. (Frederick Johannes Willem Jacobus)"
Now showing items 1-13 of 13
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(University of Pretoria, 2015)The feasibility of producing all-cellulose composites (ACCs) films from dissolving wood pulp by partial dissolution of the cellulose was investigated. It was thought that the undissolved fraction of the cellulose fibres ...
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(University of Pretoria, 2018)Numerous modi cations were made to simple basin solar stills with the aim to improve the performance of the stills and develop an understanding of the operation of the system. The changes were focused on reducing energy ...
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(University of Pretoria, 2015)Hydrocalumite is a calcium/aluminium-based layered double hydroxide. This material has a wide range of applications, such as polymer additives, basic catalysts and water treatment agents. There are a variety of synthesis ...
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(University of Pretoria, 2020)Layered double hydroxides (LDHs) are clay-like minerals commonly referred to as anionic clays" with a wide range of physical and chemical properties. LDHs often find application in pharmaceuticals, as polymer additives, ...
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Fatty acid intercalated layered double hydroxides as additives for Jojoba oil and polymer matrices (University of Pretoria, 2012)Fatty acid intercalated layered double hydroxides were used as additives for Jojoba oil and polymer matrices. The first phase of the study was to intercalate carboxylic acids (C14 to C22). These were successfully intercalated ...
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Layered double hydroxides as PVC thermal stabilisers : the effect of particle size and concentration (University of Pretoria, 2016)Layered double hydroxides have shown promise as PVC thermal stabilisers, however how the properties of these clays effect their stabilising abilities is not fully understood. The purpose of this research was to help ...
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(University of Pretoria, 2017)The thermal stability, fire retardancy and basic mechanical properties, as a function of the mass fractions of the poly(vinyl chloride) (PVC) compound ingredients, can be modelled using 2nd order Scheffé polynomials. The ...
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(University of Pretoria, 2017)Hydrotalcite (HTC) was intercalated with different aromatic carboxylic acids via two synthesis methods: reconstruction and co-precipitation. The reconstruction method involves the rehydration of the products of LDH ...
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(University of Pretoria, 2015)Kafirin is a prolamin protein unique to sorghum grain. To make kafirin viable for commercial development there needs to be an optimised extraction process. For this purpose insight is needed into how the process is affected ...
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(University of Pretoria, 2014)A green synthesis method for the synthesis of hydrotalcite has been previously developed but this process has not yet been optimised. The main focus of this dissertation was on aluminium-based LDHs. The purpose of this ...
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(University of Pretoria, 2016)A novel method of synthesising calcium/aluminium layered double hydroxides (LDHs) was developed, which makes use of a katoite/portlandite mixture as a precursor. The precursor mixture is synthesised by reacting CaO and ...
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(University of Pretoria, 2019)Energy systems and products have always focused heavily on the fuel rather than the oxidant. That oxygen is the definitive factor in the exothermicity of combustion reactions rather than the fuel is demonstrated ...
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(University of Pretoria, 2016)A laboratory process exists for the extraction of kafirin protein from sorghum grain in order to form kafirin encapsulating microparticles. This laboratory process extracts approximately 2 g of protein and takes in excess ...
Now showing items 1-13 of 13