SUEZ awarded a major soil remediation contract in the Middle East

Today in Doha, H.E. Dr. Eng. Saad Ahmed AL MOHANNADI, the President of Ashghal (the Public Works Authority in Qatar) and Jean-Louis CHAUSSADE, CEO of SUEZ, have signed the soil remediation contract for Qatar’s Al Karaana Lagoons, in the presence of the Emir of the State of Qatar, H.H. Cheikh Tamim Bin Hamad AL THANI, and the French President Emmanuel MACRON. Worth €107 million (QAR 462.5 million), this contract comprises the reclamation and rehabilitation of 400 ha of lagoons, located in the Al Rayyan region, south-west of Doha with the objective of enhancing the region’s environmental status and preserving it.

SUEZ is an expert in soil remediation in Europe, where it remediates more than 2 million metric tons of soil per year. This new project is the largest soil remediation contract awarded to the Group to date, and its first major reference in the Middle East.

SUEZ is cooperating with Qatar in its project to rehabilitate the Al Karaana Lagoons where almost 4000 m3 of untreated industrial and municipal wastewater coming from Doha’s industrial area have been discharged each day since 2006. By mid-2020, SUEZ will provide on-site remediation using a thermal desorption1 unit to treat the most highly-polluted sediments.

The contract also covers industrial and municipal wastewater management, employing the latest technologies for odor control, sludge and sediment treatments. The Group will also build new evaporation ponds to be used by Ashghal as emergency discharge systems for industrial effluents. SUEZ considers the site within its ecosystem to guarantee the sustainable redevelopment of this land: three 70 ha wildlife lagoons will be created, to contribute to the preservation and restoration of biodiversity.

1 Decontamination method for polluted soils, in which they are heated to 400-600°C so that the pollutants evaporate. The gases emitted are burnt at over 900°C, cleaned and purified by a baghouse. Thermal desorption entirely decontaminates the soils: it is well suited for pollution from heavy hydrocarbons (heavy fuel oil, tars, PAHs) and light hydrocarbons (solvents: benzene, toluene, xylene). The process generates no odors or waste.


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