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Creating new water resources

As the population grows and urbanization continues, the pressure on water resources is increased. We’re addressing this by developing innovative solutions, like the artificial aquifer recharge, desalination and the reuse of waste water technology.

Challenges

Preserving our water resources

Saving water resources
Control the quantities drawn from water tables
Harnessing new resources to produce drinking water
Our innovations

Artificially recharge underground reserves to protect our water tables

More than two billion people get their drinking water form water tables. Every year, almost 1,000 km3 are drawn from them worldwide. Combined with the over-exploitation of certain water tables, our world is demanding the development of new solutions to control and recharge underground water reserves.

With , SUEZ has developed an environmentally-friendly water filtration process for artificial aquifer recharging that does not require any chemicals.

Fighting water shortages by replenishing the water tables
With geofiltration, SUEZ has developed a perfectly environmentally-friendly water filtration process for artificial aquifer recharging  that does not require any chemicals.

How we fight water shortages 

The town of les Palmiers in the south of France is regularly plagued by droughts and a sharp rise in demand for drinking water during the holiday season. The town’s water tables have been over-exploited and the volume of fresh water continues to decline, even dropping below sea level at times. As a consequence, salt water levels increase, mixing with the fresh water. The solution: prevent these intrusions by taking water from the Jean Natte canal in the winter, when the level of the water is high, and re-injecting it into the water table when the water level is low. Artificial recharge is currently being tested. It restores the level of the water table and avoids intrusions, keeping the water suitable all year round.

Geofiltration: an ecological purification process

SUEZ has developed an ecological geofiltration water filtration process without requiring any chemicals. Its application in the Gallardon Lake in France is one remarkable example. Water is taken from the River Seine’s alluvial groundwater, it’s then oxygenated and pumped into the lake. And it naturally moves from the lake to the water table. The transfer from an oxygenated medium to an oxygen-poor medium naturally purifies the water by eliminating almost all the harmful elements, like iron, manganese, ammonia and nitrates.

How we’re using renewables to desalinate seawater

In Abu Dhabi, SUEZ has taken up the challenge of desalinating seawater to produce drinking water using renewable energy. We’ve been tasked with the design, construction and operation of a pilot desalination plant unique in the world.
Desalination plant-SUEZ-Abu Dhabi
“SUEZ tests and develops alternative solutions to reduce the environmental impact of desalination, to protect and sustainably manage the limited water resources, particularly in the Middle East”

Pierre PauliacCEO of SUEZ in Middle East

Retaining 99.9% of the salt in seawater

Reverse osmosis is a leading-edge technology chosen by SUEZ retaining more than 99.9% of the salt dissolved in water, using pressure effects. This result is achieved by using a membrane filter that retains salt molecules, whilst letting water molecules flow through. The fresh water is collected and then undergoes numerous tests before being distributed, while the salt is diluted, before being returned to the marine ecosystem.  10 million people worldwide benefit from this technology in 2017.

Inventing new seawater desalination technologies

In Masdar, Abu Dhabi, SUEZ has built an eco-energy pilot desalination unit for the Emirate’s future green city. The goal here is to test and develop seawater desalination technologies that use 100% renewable energy sources, solar energy in particular.  Once this research phase has been completed, the technologies will be implemented to allow the region’s desalination plants to achieve an energy performance that is higher than even the most sophisticated facilities currently in operation and with a minimal environmental impact.

Designing a more sustainable industrial water management process

SUEZ is actively working with its various partners on the definition of new management processes for industrial water, along the lines of the E4Water project. This European consortium, which brings together 19 partners from the chemical industry, specialists in water treatment, research centers and universities, were created to look into applicable environmental solutions.

SUEZ wastewater treatment plant
Through the E4Water project, SUEZ is working to find concrete environmental solutions for industrial clients to reduce their water use and energy consumption.

Reducing the global impact on the environment

E4Water’s ambition is to develop and test new integrated approaches, methodologies and processes that improve the management of industrial water, particularly by recycling wastewater. The goal for industry is to cut water consumption by 20% to 40%, aqueous discharges by 30% to 70%, energy consumption by 15% to 40% and the associated costs by up to 60%.

Defining new industrial processes

SUEZ is working with a consortium in specific projects that bring together two of its industrial customers: Total Refining & Chemicals and Procter & Gamble. Robust industrial and control processes are starting to be widely recommended and deployed by certain manufacturers, who are most affected by water stress.

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