High efficiency secondary treatment

BRIEF DESCRIPTION

Dual stage biological treatment system with sludge recirculation for secondary treatment of domestic sewage or similar. Fitted with inlet, outlet and connection pipes in PVC.

Biological treatment plant with one-piece anaerobic percolating filter with corrugated tank made of polyethylene (PE), complete of large surface area black isotactic PP filter medium.

Low-load biological activated sludge treatment plant made of one-piece corrugated polyethylene (PE) tank, equipped with an air blowing and effluent movement system consisting of a diaphragm blower/compressor, rubber pipe and micropore rubber diffuser plate/s; this system has an excess sludge recirculation pipe from the activated sludge to the percolating filter, which is air-lift type fed by a second blower/compressor.

MAIN CHARACTERISTICS

• lightness
• access manhole for maintenance and inspection; optional extension
• easy, fast, safe and very economical to install
• made of 100% virgin and non-toxic material
• suitable to support significant changes in temperature (- 20 up to + 80°C)
• High resistance to corrosion and oxidation
• inert to stray currents
• not subject to deterioration over time
• 100% recyclable