462017 INTEGRATED REPORT
DOW, GERMANY SUEZ IS REINFORCING ITS STRATEGIC PARTNERSHIP WITH DOW WITH THE ACQUISITION OF A HAZARDOUS WASTE TREATMENT UNIT IN GERMANY AND A LONG-TERM CONTRACT FOR ENVIRONMENTAL SERVICES.
DELTA ELECTRICITY, AUSTRALIA
Australian power operator Delta Electricity requires large volumes of water to run its Vales Point power plant, and relies on a wastewater recycling unit. Since 2008, the plant has used water treated by the Mannering Park sewage treatment plant located nearby. To save even more water and minimise the environmental impact of the power plant, Delta Electricity signed an initial two-year contract with SUEZ in 2014, and renewed in 2017. SUEZ upgraded the installations and improved the wastewater treatment, enabling better reuse in the demineralisation plant and saving 250 million litres of water a year, compared with the previous 230 million.
IN AUSTRALIA, SUEZ OPERATES A WASTEWATER RECYCLING PLANT THAT SUPPLIES A DELTA ELECTRICITY POWER STATION, REDUCING ITS WATER FOOTPRINT AND ITS ENVIRONMENTAL IMPACT.
Cost reduction of approx.
8 million euros per year.
Supply of renewable energy:
18 MWh in 2017. Recovery of 750 to 900 tonnes of sludge per month.
35 jobs created. Recovery of sludge from local authorities (30 to 40% of the total) enabling shared cost reductions.
Saving of 250,000m3 of water per year.
Cost reduction due to the installation of new membranes to optimise water filtration.
Recovery of household grey water and human sewage from the neighbouring municipality.
Reduction in the discharge of treated wastewater into the natural environment near areas of lakes, beaches, bird reserves and marine life.
With the acquisition of the hazardous waste treatment unit on the Schkopau (Dow ValuePark®) industrial platform near Leipzig in November 2016, SUEZ became a major operator in the recovery of hazardous waste in Germany. With a rotary furnace and a sludge dryer, this unit can treat the solid and liquid waste produced by Dow and other local industrial manufacturers in a totally environmentally friendly manner. At the same time, the plant is able to produce steam from waste incineration (up to 120,000 tonnes a year) in order to supply Dow and other companies of the industrial platform, together with recovered chlorine for industrial use. Finally, SUEZ recovers the sludge generated by treating wastewater discharged by local industrial production.
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