One of the most critical sources of environmental problems in any shopping center or mall is the food court, with its greasy waste waters.
From a long term experience and survey, majority of malls and shopping centers have serious compliance problems with waters coming from grease traps.
Grease traps are designed to retain waste waters for a period of time, generating bad odours and increasing organic loads that will affect the downstream treatment plant, besides not complying with majority of reject limits for waste waters established by local authorities.
Replacing standard or more sophisticated (although with limited performance) grease traps by chemical treatment units, with flotation devices (DAF), we manage to perform a proper chemical treatment to the waste waters, remove all solids, fats and greases, AVOID BAD ODOURS, besides reducing drastically its organic loads, preparing these waters for a final disinfection and filtration which will allow them to be reintroduced into an internal feed line to flush waters and irrigation VentilAQUA also brought to this process an advanced oxidation technology, using electricity, called electro-coagulation and electro-oxidation, which allows a more intense and efficient organic matter removal without chemicals, managing to reduce contamination to very low levels and allowing to use common multimedia filters with longer lifetime and to reuse these waters.
Under 1 year payback time with water consumption reduction, as about 90% of food court waste waters are recovered into flushing toilets, thus reducing dramatically water consumption in toilet rooms. Elimination of complex removal and trucking of liquid wastes and greases, highly loaded, and consequent extremely high cost.
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