A case study for upgrading existing carousel process to achieve low effluent phosphorus discharges. (1st January 2014)

• Record Type: Journal Article
• Authors: Elsergany, Moetaz
• Is Part Of: International journal of environment and waste management. Volume 14:Number 1(2014)
• Page Start: 1
• Page End: 13
• Publication Date: 2014-01-01
• Subjects: simultaneous nitrification denitrification -- oxidation ditch -- carousel process -- chemical phosphorus removal -- chlorine demand -- wastewater treatment plant -- WWTP -- waste management -- low phosphorous discharges; Refuse and refuse disposal -- Environmental aspects -- Periodicals; Refuse collection -- Environmental aspects -- Periodicals; Recycling (Waste, etc.) -- Periodicals; 363.72805
• Languages: English
• ISSNs: 1478-9876

Abstract

In this study, Al-Qateef wastewater treatment plant was selected as a case representing the upgrade of carrousel technology with tertiary treatment. This technology is applied in many cities in the Eastern province, Kingdom of Saudi Arabia. The use of chemical treatment alternative for phosphorous removal was evaluated versus the newly implemented tertiary treatment unit. The study showed that chemical phosphorous removal has an additional advantage of reducing the final effluent total phosphorus concentration to less than 1 mg/L at an alum dose of 50 mg/L without any significant alteration of the expected final effluent quality that could be achieved by the newly installed sand filters. Furthermore, the study showed that the use of chemical treatment for phosphorous removal could reduce the chlorine dose required for the treated effluent disinfection.