Browsing Masters Degrees (Chemical Engineering) by Title
Now showing items 127-146 of 196
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Modelling of the Marianridge wastewater treatment plant.
(2008)One of the consequences of the social and economIc change due to industrialisation is the generation of industrial wastewater which requires treatment before being released into the natural aquatic environment. The ... -
Modelling of the tubular filter press process.
(2000)The objective of this project was to develop a suitable procedure for the design, control and optimisation of the Tubular Filter Press. To this end, the following objectives were defined for this study: • To extend or ... -
Modelling the distribution of micro-nutrient metals in the anaerobic digestion for fischer-tropsch reaction water.
(2017)Sasol, one of South Africa’s largest petrochemical producers; derives water from the Fischer Tropsch process and is referred to as Fischer-Tropsch Reaction Water (FTRW). FTRW has high hydrocarbon content and a very low ... -
Modelling the effects of textile dyestuffs on the performance of a municipal wastewater treatment works.
(2006)No abstract available. -
Modification and commissioning of a static high pressure apparatus and phase equilibria measurements for fluorinated hydrocarbons.
(2010)Modifications were undertaken to a static high pressure vapour-liquid equilibrium (VLE) apparatus described by Naidoo [2004]. The alterations were made to improve the sample analysis technique. These modifications included ... -
Modification, reconstruction and commissioning of a vapour recirculation apparatus for high-pressure low-temperature vapour-liquid equilibrium measurements.
(2010)The vapour recirculation apparatus of Moodley [2002] was modified, reconstructed, and commissioned in order to be used in the acquisition of high-pressure vapour-liquid equilibrium (HPVLE) data at low temperatures. The ... -
Molecular simulation of vapour-liquid-liquid-equilibrium.
(2008)Phase equilibrium data is vital for designing chemical separation equipment. Traditionally, such data is obtained through laboratory experiments by sampling and analysing each phase of an equilibrated chemical mixture. An ... -
Monoethanolamine : suitability as an extractive solvent.
(2000)Separation processes are fundamental to all chemical engineering industries. Solvent separation, either liquid-liquid extraction or extractive distillation, is a specialised segment of separation processes. Solvents can ... -
Monte Carlo simulations of systems of light alcohols + water + n-dodecane and water solubility and structures in polytetrafluoroethylene.
(2011)Polytetrafluoroethylene (Teflon®) is encountered in many environments – frying pans, clothing, osmotic distillation membranes, to name a few – yet the solubility and clustering behaviour of water with this material was ... -
Multipurpose separation and purification facility.
(2001)A waste acid stream is being produced by a local petrochemical company (SASOL) at a rate of 10 000 -12 000 tons per annum and contains approximately 44-mole % butyric acid, 20 % isobutyric acid and 10 % valeric acid. ... -
Nucleation induced by high frequency sound for the production of sugar refinery seed crystals.
(2016)The crystallisation process is the second oldest unit operation in existence and a sine qua non in the production of crystalline sugar. It comprises two distinct phases viz. nucleation and the growth of the subsequent ... -
Optimal operation of a water distribution network by predictive control using MINLP.
(2004)The objective of this research project is to develop new software tools capable of operational optimisation of existing, large-scale water distribution networks. Since pumping operations represent the main operating cost ... -
The optimisation of pebble grinding.
(2013)Secondary pebble milling is an attractive alternative to using ball-mills. It is of particular interest in older mines where tonnage has been reduced, spare mills are available and savings in operating cost are essential ... -
Optimization of a multi-level steam distribution system by mixed integer non-linear programming.
(2001)The objective of this project is to optimize the SAPREF oil refinery steam distribution in which imbalances between the various levels presently require the venting of steam from the lowest level. The overall steam balance ... -
Phase equilibria of refrigerant gas hydrate systems in the presence of sucrose.
(2015)The South African sugar industry has the potential to be one of the largest suppliers of renewable energy into the national energy grid. The majority of the sugar mills obtain their fuel requirements by burning of final ... -
Phase equilibrium investigation of the water and acetonitrile solvent with heavy hydrocarbons.
(2006)Thermodynamics plays an important role for separation processes in chemical industries. Phase equilibrium is of special interest in chemical engineering as separation processes such as distillation and extraction involve ... -
Phase equilibrium measurements at low-to-moderate pressures for systems containing n-Hexane, 1-Hexene and n-Methyl-2-pyrrolidone.
(2012)The primary focus of this study is the measurement and modeling of binary and ternary VLE data. The measurements of binary and ternary systems were undertaken on a fully automated dynamic VLE apparatus. The glass dynamic ... -
Phase equilibrium studies of NFM and toluene with heavy hydrocarbons and the conceptual process design of an aromatics recovery unit.
(2017)Distillation and extraction are commonly employed phase separation techniques, and improved efficiency and cost reduction in these large-scale processes are motivating factors behind thermodynamic equilibrium investigations. ... -
Practical on-line model validation for model predictive controllers (MPC)
(2010)A typical petro-chemical or oil-refining plant is known to operate with hundreds if not thousands of control loops. All critical loops are primarily required to operate at their respective optimal levels in order for the ... -
A pre-screening tool for the anaerobic treatment of complex industrial effluents and wastewaters.
(2003)The objective of this investigation was to assess the potential of a titration bioassay i.e.: The Methanogenic Activity and Inhibition Analyser (MAlA), to determine the biodegradability of complex industrial effluents ...