Sewage Treatment Plant

Sewage treatment is the process of removing contaminants from domestic and municipal wastewater, containing mainly household sewage plus some industrial wastewater. Physical, chemical, and biological processes are used to remove contaminants and produce treated wastewater (or treated effluent) that is safe enough for release into the environment. A by-product of sewage treatment is a semi-solid waste or slurry, called sewage sludge. The sludge has to undergo further treatment before being suitable for disposal or application to land.

Membrane bioreactor (MBR) is the combination of a membrane processlike microfiltration or ultrafiltration with a biological wastewater treatment process, the activated sludge process. It is now widely used for municipal and industrial wastewater treatment

An integral part of the infrastructure development for Dubai Parks and Resorts is the Lagoon which is strategically constructed across the establishment to enhance the overall landscaping and beautification of the resort. Considering the year round hot climate in the UAE, it is expected that the lagoon water may experience considerable evaporation. To address this challenge the Treated Sewage Effluent Polishing Plant, Mixed Bed Bio-Reactor (MBBR/Ultra-Filtration/Reverse Osmosis) project was developed as a sustainable solution.

• • TSE Polishing: In this package, water from five streams: TSE water from Dubai Municipality and Dubai Parks STP: cooling tower blowdown and spent backwash water from carbon filters, UF systems and high-rate sand filters of the side stream filtration, are all treated by the UF-RO system to produce makeup water for the lagoon.
  • Side Stream Filtration: Overflow water and water drawn off by skimmer pumps from the lagoon is treated in high-rate sand filters and UV units to remove suspended impurities and disinfect the water. The disinfected water is then aerated and discharged back into the lagoon.
  • Pool Water Filtration & Chlorination: Overflow water and water is drawn by skimmer pumps from the Water Wheel Pool, another attraction in Dubai Parks, is passed through Dual Media Filters. Filtered water is then chlorinated to disinfect the water and discharge back into the pool.
  • Pumping Stations: The scope of work in this package is limited to providing the pumps and associated valves and piping for subsequent uses.

With the lagoon being an integral part of the destination landscaping, developing the TSE Polishing Plant as a solution to treat, recycle and reuse water as makeup water for the lagoon has many benefits:

The solution offers a more economically viable alternative for water provision compared to using other water resources for makeup water

The utilization of environmentally friendly and energy saving technology lowers the environmental footprint to a minimum, in line with the policies implemented across the establishment