Analyzing the effectiveness of self-cleaning filters in removing contaminants from portable drinking water river.
Lebea, Aubrey
Lebea, Aubrey
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Abstract
Self-cleaning filters was explored as a viable way for boosting the remediation of river water. The objective of the project was to develop new strategies for removing sediment from turbid river water. Innovative methods of water purification, such as the SCFs plant, were tested as part of pilot programs to find a solution to this problem. This was done by adjusting parts of the SCF plant's operation, such as the water flow, differential pressures, coagulant, and flocculent concentrations. This innovative technology was able to evaluate the efficacy, and operability of the SCFs facility. Considering these findings, it is possible to conduct an in-depth analysis of the viability of deploying water treatment technologies that are analogous to those utilized at the SCFs plant in areas that share similar environmental circumstances and/or issues with water treatment. Approximately 40 % of turbidity was mitigated, and ongoing research is focused on optimizing the process to achieve a removal efficiency ranging from 90 % to 100 %. More than 20 % was taken out at all flow rates, on average. Outside of the process In-line filters, several different chemical formulations and combinations were evaluated and assessed in terms of their effects on a selection of the process's characteristics. This was done to further enhance the automatic backflushing filter. After making the necessary adjustments to the RF-14, the PLF components were turned on so that even more turbidity could be removed. The goal of the research was to ascertain how well a pilot plant using water from the Kavango River could remove turbidity using an aluminum sulphate coagulant. The ideal values for parameters like pH, coagulant dosage, stirring rate, and temperature were determined to be 7.5, 24 mg/L, 200 rpm, and 25 ℃ , respectively. Under ideal circumstances, the river's turbidity dropped from 2.52 to 0.21 NTU, or 91.7 % removal efficiency. In water treatment facilities, the coagulation-flocculation technique is a very efficient and economical procedure. The primary goal of the coagulation-flocculation procedure was to clear water treatment facilities of turbidity. The coagulation process will get better as the influence of temperature rises. According to the research, purified water may be utilized for drinking and household purposes.
Description
Submitted in partial fulfilment of the requirements for the degree, Master of Engineering in Chemical Engineering at the Department of Chemical, Metallurgy and Materials Engineering in the Faculty of Engineering and the Built Environment at Tshwane University of Technology.
Date
2023-08-15
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Tshwane University of Technology
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Keywords
Water Treatment, Coagulation, Flocculation, Filters, Jar Test, Optimization, Turbidity, Coagulant, Processes