VER 3803 - Waste water tretament plant

Waste water treatment plant installed in a paper mill shut down last May 2009
Paper grade produced: Fluting and Medium
Raw Material: waste paper mixed and selected
Waste water flow range: 30-35 m3/h
Waste water treatment plant composed of chemical and biological system, so composed:

Rotative Grid
Capacity: 35 m3/h
Power: 0,18 kW
Material: AISI 304
Overall dimension: Ø internal 302 mm ; Length 800 mm ; Filtration slice 1-9 mm

Neutralitation silos steel
Mixing tank with agitator
Pressurized Flotator
Capacity: 30 m3/h
Power: 5,5 - 0,18 kW
Material: AISI 304

Radial jet for air dissolving
Power: 11 kW

Sand Quartz filter
Filtration Speed: 6-10 m3/ m2
Capacity: 17-25 m3/h
Overall Dimension: Ø 1400 mm - higth 1000 mm

Carbon Fitler
Filtration speed:5-10 m3/ m2
Capacity: 8-27 m3/h
Overall Dimension: Ø 1600 mm - higth 1000 mm

MBR
Koach membrane system in PDVF, porosity 0,04 µm
Filtarion surface: 517 m2 divided in 22 elements ( 23,5 m2/element)

Ancillary equipment
20 different pumps with a capacity range between 3 to 30 m3h
Membrane Blowers
N° 885
Capacity 350 Nmc/h
Head 330 mbar

Several instrumentation elements to check and regulate the water level, flow rate, temperature, pH ect ect