Doha North Sewage Treatment Works
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Process flow diagram Keppel Seghers Seghers Solutions for a Cleaner Future Keppel Control Centralised air extraction system and odour treatment facilities using chemical scrubbers Excess Stormwater Stormwater Storage Tertiary Treatment - Advanced membrane filtration - Ultraviolet technologies Liquid Stream Cl2 dosing High-grade reclaimed water supply for non-potable use Solids Stream Keppel Seghers is a leading provider of comprehensive environmental solutions, and provides consultancy, design and engineering, technology development, construction, operation and maintenance of plants and facilities, as well as investments in large-scale environmental projects. Keppel Seghers’ advanced technology solutions address a wide spectrum of environmental issues for both solid waste and water. To date, Keppel Seghers has executed more than 100 waste-to-energy projects and more than 350 water and wastewater projects in more than 25 countries worldwide. Keppel Seghers is a wholly-owned subsidiary of the Keppel Infrastructure group, which is a division of Keppel Corporation Limited, a leading company listed on the Singapore Exchange. Doha North Sewage Treatment Works Largest Integrated Water Reuse & Sludge Treatment Plant in Qatar Technical data Location TYPE OF PROCESS AREA TYPICAL EFFLUENT QUALITY PLANT ODOUR EMISSION REQUIREMENT DRIED SLUDGE STANDARD Keppel Seghers Pte Ltd 1 HarbourFront Avenue #05-05 Keppel Bay Tower Singapore 098632 Tel: +65 6278 1800 Fax: +65 6278 0777 Email: info_singapore@keppelseghers.com Website: www.keppelseghers.com Keppel Seghers Engineering (Qatar Doha Office) 7th Floor Al Jassim Commercial Tower C-Ring Road Suhaim Bin Hamad Street PO Box 37069, Doha State of Qatar Tel: +974 44430 365 Fax: +974 44430 340 Email: info_qatar@keppelseghers.com

Doha North Sewage Treatment Works at a glance Keppel Seghers, the environmental arm of Keppel Infrastructure, is privileged to partner the Public Works Authority of Qatar to develop Doha North Sewage Treatment Works (Doha North STW). This landmark project is the largest greenfield wastewater treatment, water reuse and sludge treatment plant in Qatar and the Middle East. With a peak design capacity to treat wastewater of up to 439,000 cubic metres per day, Doha North STW will serve a projected population of over 900,000. This modern facility will feature advanced biological treatment...