From today, the Punta Gradelle purifier, which cost 25 million euros and was built inside a huge karst cavern in the bowels of Punta Scutolo (the promontory that divides Vico Equense from Meta), passes into the hands of Gori after testing and transferring it to the Campania Region.
The purifier was built with a sophisticated system of grilles, positioned in the central part of the cave where two large collectors converge, one from the east which conveys the sewage coming from Vico Equense and one from the west which collects the waste water from Meta, Piano di Sorrento, Sant'Agnello and Sorrento.
Both collectors are built underground and covered by real driveways (to be used for inspections) that cross the bowels of the Sorrento Peninsula. As for Sorrento, for now, the sewers of the eastern and central part of the city end up in the purifier. The western part is missing, whose wastewater ends up in the tanks of Marina Grande.
Gori is currently working on a major transformation with the construction of the collector that from the fishing village will join the one that leads to Punta Gradelle. A work that will definitively solve the sewage purification of the city on rainy days and that will be especially helpful in the summer when the population of the Peninsula - with tourists - increases significantly.
With the addition of the western part of Sorrento, the overall flow rate of the pipeline will increase by 20% but there will be no problem because the system has already been calibrated to handle this increase.
From the screening tanks, all controlled through the monitors in the technical room, a third collector also starts, the one that carries the purified water towards the connection of the underwater pipeline at Punta Gradelle.
According to the technicians, this is where the liquids end up after the grilling because the process continues through passages in technologically advanced machinery, which use membranes for filtration, then follow oxidation processes, biological ones, up to UV rays.
At this point the crystal clear water ends up in an underwater pipeline that carries it 1.500 meters from the coast to a depth of about ninety meters.
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