Abstract
A large number of vehicle wash centres are functioning in the state of Kerala, India and huge quantity of wastewater is generated at these service stations. Though, various treatment methods are available for the treatments of such wastewater, majority of the service stations do not have any treatment facility and the untreated wastewater is ultimately discharged off. This causes serious pollution problems. The aim of this study is to treat vehicle wash wastewater and make it reusable using Fenton process, an advanced oxidation process. Fenton process has already been proved to be effective in treating most wastewater. Wastewater samples were collected from a vehicle wash station in the city of Kochi, Kerala and characterization was done for various parameters. Factors affecting Fenton Process were identified and optimized by using Response Surface Methodology (RSM) for the percentage removal of turbidity, chemical oxygen demand (COD) and oil & grease. The results show that Fenton process effectively removes contaminants from vehicle wash wastewater making it fit for recycling.
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