Italian city upgrades wastewater treatment plant with GE advanced technology making it the second largest municipal MBR plant in Italy

01 July 2012


 

Located on the Mediterranean Sea in a seasonal tourist region known for its pristine beaches, the area around Loano, Italy had an increased need for wastewater treatment that led Servizi Ambientali SPA to expand its existing wastewater treatment plant. The upgraded facility features GE’s advanced membrane bioreactor technology and now is the second largest municipal MBR plant in Italy. The facility entered service in July 2012.

Borghetto Santo Spirito is a town located in the Province of Savona, in the Italian region of Liguria, and is approximately 60 kilometres west of Genoa. The membrane plant was first constructed three years ago initially to treat 7 million litres per day (MLD) or 7,000 m3/d. With the new expansion, using GE ZeeWeed technology, the wastewater treatment plant quadruples the flow and serves approximately 140,000 residents in the towns of Borghetto S. Spirito, Loano, Toirano, Boissano, Balestrino and Ceriale. The expanded plant handles a maximum wastewater flow of about 35 MLD or 35,000 m3/d, roughly the amount of water required to fill 14 Olympic-sized swimming pools.

“Our wastewater treatment plant went from simple primary treatment to advanced biological processes with membranes allowing us to reach high-level effluent quality. It is located on the seacoast and discharges into a sensitive ecosystem in a tourist region,” said Giovanni Paganelli, chief executive officer, Servizi Ambientali SPA. “Our newly upgraded plant now results in the best effluent water quality ever achieved, enabling us to serve a larger population and at the same time, diverting the cleaned wastewater for non-potable reuse.”

Under the contract, GE supplied Servizi Ambientali SPA with MBR technology and equipment featuring ZeeWeed 500D reinforced, hollow-fibre membranes, which have been proven in more than two decades of wastewater treatment and water reuse. Nearly 1,000 plants worldwide use this technology to produce superior quality drinking water and to meet or exceed stringent wastewater treatment and water reuse standards.

The upgrade of the plant’s wastewater treatment processes with the GE MBR technology features four ZeeWeed 500D trains, 24 cassettes and 1,152 modules. This expands the plant’s treatment capacity and improves the region’s water quality. Prior to the upgrade, the region was facing issues with poor treatment of sewage resulting in negative consequences for the environment and residents.

For more information, visit the company website.

View a video (in Italian) on the Servizi Ambientali SPA wastewater treatment plant.

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