Analysis and Treatment Wash off Water from Vehicular Service Station in Hyderabad

S. BHATTI, Z. SIDDIQUI, S. MEMON, I. KANDHIR, M. A. MEMON, A. W, MAHESAR

Abstract


The number of vehicular service stations is increasing significantly all around the world as the number of vehicles is increasing. These service stations are a major organic source of water pollution. There are total 48 service stations in Hyderabad, Sindh. These service stations discharge 380,880 liters of waste water each day, mainly into canals carrying water for irrigation and drinking purposes. Considering the serious water shortage issues, it is necessary to treat this wastewater for reuse purpose. This research focuses upon developing the wastewater treatment method to make the water reusable for washing purpose. The wastewater is treated with Dissolved Air Floatation (DAF) method followed by wool fiber filtration to reduce turbidity, oil and grease particles and settleable solids. The proposed method successfully removed the turbidity of wastewater by 97%; oil and grease particles 98.75% and an improvement of 68% was observed in the number of settleable solids.

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