Design of experiment approach in municipal wastewater treatment through adsorption of activated carbon / Nur Salwa Abdul Rasid

Nur Salwa , Abdul Rasid (2018) Design of experiment approach in municipal wastewater treatment through adsorption of activated carbon / Nur Salwa Abdul Rasid. Masters thesis, University of Malaya.

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Abstract

This research presents an approach of application Design of Experiment (DOE) used with municipal wastewater together with activated carbon for the adsorption process. DOE is systematic approaches to engineering problem-solving by determine the relationship between factors/parameters affecting a process and the output of that process. In other words, it is used to find cause-and-effect relationships. By using the DOE, knowledge and estimate the best operating conditions of a system, process or product can be obtained. Through this research, two types of activated carbon which one the Granular Activated Carbon (GAC) and Powdered Activated Carbon (PAC) have been used as the main adsorption materials, to find the most suitable combination of factors that be that influences for neutralized the pH level in municipal wastewater. This DOE approach helps to eliminate non-value added factors while improving the time performance during the adsorption process. In order to initiate a successful process, results obtained through the experiment have been analyzed using Minitab 18 software. Neutralized pH water from the wastewater can be achieved by a combination of parameters/factors 250ml municipal wastewater adsorption with 1.25 gram of GAC within the 3 minutes and 28 seconds of duration period. Keywords: Activated Carbon, Granular Activated Carbon (GAC), Powdered Activated Carbon, Design of Experiment.

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