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Pingo Doce Supermarket, Portugal

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Pingo Doce, Distribuição Alimentar, SA Portugal

With over 356 stores, Pingo Doce is now the largest supermarket chain in Portugal and has a sales volume above 3,000 million euros. Pingo Doce was established in 1980 and is part of Jeŕonimo Martins Group. Pingo Doce in Peniche also cooks over 6000 meals daily.

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Problem

Pingo Doce in Peniche has a grease separator with a capacity of 10 m3 and an average daily flow of 33 m3. Given its short retention, the system accumulates a lot of organic matter, resulting in high waste water parameters.

Solution

In order to control the waste water parameters in this commercial unit, a BioAmp system was installed. In September, 2 BioAmp™ units were installed upstream of the system (in the industrial kitchen), with spaced discharge times. In March 2012, a third BioAmp™ was installed for better control and consolidation treatment.

Result

Two months after beginning the treatment, the FreeFlow™ bacteria (dispensed through the BioAmp™ units) lowered the waste water parameters to an acceptable level. In addition, the customer substantially reduced the cleaning and maintenance of the grease traps. The BioAmp™ system proved to be an excellent treatment regarding the values of COD (from 1800 to 1200 mg / L), BOD (from 440 to 110 mg / L) and TSS (from 580 to 330 mg / L), keeping the FOG within the maximum allowable values.

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