HE the Minister of Municipality and Environment Mohamed bin Abdullah al-Rumaihi yesterday visited the newly constructed Doha North Sewage Treatment Plant (STP). He was accompanied by infrastructure affairs director Jalal Yousef al-Salhi and other senior officials at Ashghal.
The Minister was briefed on the project and the progress it is making, the engineering and construction techniques in its implementation, the components, advantages of the new treatment plant, thermal drying plant, the plants’ advanced systems and also the status of the ongoing works.
The Doha North STP uses advanced treatment techniques such as ultra-filtration and ultra-violet technologies to produce high quality treated water which can be used in
The facility is located in Umm Slal Ali, 25km north of Doha. The first phase of the project includes the construction of the main treatment plant for the reception and treatment of sewage, which has been designed to treat up to 245,000 cubic metres of sewage per day, serving a projected population of over 900,000 people by the year 2020.
The modern facility features advanced biological treatment processes as well as ultra-filtration, which is an ultra-membrane filtration technique that separates large molecules and small granules from the water. The plant also uses ultra-violet technologies for waste water treatment.
The STP has started receiving sewage flows from the main pumping station Doha (PS70) located in Al Kheesa. The sewage flows are estimated 46,000 cubic metres per day.
The Doha North STP became fully operational last December after completing necessary inspection and testing processes by the Qatari Civil Defence and other entities.
The second phase of the project includes construction of a Thermal Drying Plant (TDP) to process sludge from the sewage treatment plant. The TDP will also receive and treat sludge generated by other sewage treatment works. The sludge is dewatered, processed through the thermal dryers to finally produce dried pellets.
The construction of the TDP is substantially completed and is currently going through final commissioning.
The Doha North STP is the first facility with comprehensive odour control system to minimise the impact on the surrounding environment. The Buffer Zone surrounding the STP will be carefully landscaped to form a green oasis that includes approximately 95,000 trees and 50 picnic areas with interconnecting roads and a bird watching lagoon.
The roads, picnic areas and lagoons are under construction and the remaining irrigation pipe work and planting are in progress as well as the construction of artificial mounds across the area.
The Doha North Sewage Treatment Plant Project is worth approximately QR3.63bn. The project contracts were awarded to Keppel Seghers
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