Activated Sludge Wastewater Treatment Pilot with Head Anoxia, Nitrification, and Denitrification

This pilot presents the process for eliminating carbonaceous, nitrogenous, and phosphorous pollution by microbiological means. It operates by contacting the water to be treated with a bacterial floc in the presence of O₂ followed by a floc separation phase.

The oxidation basin is preceded by an anoxia basin, enabling characterization and differentiation of the denitrification and nitrification stages. Composition:

• Feed tank with lid, on casters
• Anoxia basin
• Base storage tank
• Aeration basin with two overflow levels and lid
• Conical-bottom decantation basin
• Variable-flow peristaltic substrate feed pump on sequencer, with flow meter
• Two stirrers (anoxia and aeration basins) with electronic speed display and regulation
• Aeration assembly with ceramic air diffuser
• Air compressor and air flow meter
• Mixed liquor recycling peristaltic pump
• Base solution dosing pump regulated by pH measurement
• Dissolved oxygen measurement probe and transmitter
• Threshold aeration regulation controlled by dissolved oxygen measurement
• Combined pH/Redox measurement probe and transmitter
• Control cabinet with on/off commands for pump, compressor, and stirrer; oxygen sensor and pH/Redox transmitters
• PVC connections; stainless steel chassis with aluminum clamping nuts

Options:
1.

A feed tank with lid and on casters
An anoxia basin
A base storage tank
An aeration basin with two overflow levels and lid
A conical-bottom decantation basin
A variable-flow peristaltic substrate feed pump on sequencer, with flow meter
Two stirrers (anoxia and aeration basins) with electronic speed display and regulation
An aeration assembly with a ceramic air diffuser
An air compressor and air flow meter
A mixed liquor recycling peristaltic pump
A base solution dosing pump regulated by pH measurement
A dissolved oxygen measurement probe and transmitter
Threshold aeration regulation controlled by dissolved oxygen measurement
A combined pH/Redox measurement probe and transmitter
A control cabinet with on/off commands for pump, compressor, and stirrer; oxygen sensor and pH/Redox transmitters
PVC connections; stainless steel chassis with aluminum clamping nuts