DAF-FPAC40 for physical-chemical treatment in a WWTP in Portugal
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SIGMADAF has supplied a DAF-FPAC40 unit to act as Physical-Chemical treatment in an industrial water treatment plant (WWTP) in Portugal.
The WWTP has been designed, assembled, and completely commissioned by AGUASIGMA's technical team of SIGMA GROUP.
This DAF-FPAC40 acts as a clarifier in a physical-chemical treatment process for wastewater resultant from the treatment of leather for the manufacture of footwear. The flotation equipment is made of AISI-304.
Characteristics of the DAF-FPAC40 for physical-chemical treatments
This equipment is a high performance and quality system with distinguished characteristics. It includes a single separating movement that rotates against the hydraulic current helping to minimize the distance that the floated sludge travels and eliminates the carry-over of solids in the effluent.
With this solution, a sludge is created with a dry solids content 3 to 4 times higher than a conventional system.
The result is the elimination of future treatments such as dewatering or drying, which consequently reduces operating costs.
WWTP for the water treatment of a footwear industry
The WWTP treats a maximum of 200 m3 / day of wastewater with a concentration of 1,000 ppm in suspended solids, a COD of 3,000 ppm, and a pH of around 3.
The WWTP has a pre-treatment consisting of a well to collect wastewater, followed by a 1mm sieve of passage and a homogenization system by means of an equalizer tank of 300 m3 with 2 biojets of aeration by venturi. After this treatment, the DAF-FPAC40 clarifies the water coming from the equalizer tank, achieving the quality objectives required for this project.
There is a storage tank for the sludge, a consequence of the separation process carried out by the flotation equipment, and a filter press for the subsequent dehydration of these sludge. In this way, the production of sludge is minimized and represents a cost reduction for the client regarding its outsourced management.
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