Ring plants OXI/A Purification and total oxidation plants



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Ring plants OXI/A Purification and total oxidation plants, Prefabricated waste water depuration plants, purification, septic tanks, biological oxidation


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WATER PURIFICATION ENGINEERING > PREFABRICATED WASTE WATER DEPURATION PLANTS
Purification and total oxidation plants
Features | Monoblock OXI/AM  | Parallelepipeds monoblock tanks OXI/P  | Ring plants OXI/A  | Circular tanks OXI/M  | SBR technology OXI/SBR 
Modular ring total oxidation plants 15 to 250 pe | Modular ring total oxidation plants 300 to 800 pe
Modular ring total oxidation plants 15 to 250 pe | Modular ring total oxidation plants 300 to 800 pe

WHAT ARE TOTAL OXIDATION PLANTS OXI/A SERIES
Modular ring prefabricated plants type EURO MEC OXI/A series for residential areas from 5 to 250 equivalent population are dimensioned in order to guarantee the acceptance limits to the discharge foreseen by the Directive 91/271/CEE for discharge in superficial water, principally composed of a cyilindrical tank vertical axe of biological oxidation equipped with self-polishing membrane air diffusers and a final sedimentation with automatic sludge recycling.

The supply includes the blower type side channels for the production of compressed air and the general command and protection electric panel.
By request the modular ring prefabricated plants type EURO MEC OXI/A series can be executed with pre-treatment realised in a suitably dimensioned gross screening tank type Imhoff (OXI/AS series).

HOW TOTAL OXIDATION PLANTS OXI/A SERIES WORK
Modular ring prefabricated plants type EURO MEC OXI/A series for residential areas from 5 to 250 equivalent population are divided into the following sections: one for biological oxidation, where by means of aeration through air insufflation, happens the complete reduction of sewage organic substance; one of sedimentation, where sludge separation is obtained, which settle on the bottom, and skimming clarified water is send to the discharge.

Active sludge, collected from the bottom of the sedimentation section, is recycled in continuous by means of a pneumatic ejector to the oxidation, respect to overflow sludge, coming from biological increase, which is periodically extracted. With the use of timers, that command the on/off of the blower, the functioning of modular rings prefabricated plants type EURO MEC OXI/A series can be fully automised.

Modular ring prefabricated plants type EURO MEC OXI/AS series foresee before the biological treatment a sewage gross screening by means of an Imhoff tank, in which gross and sedimentable substances are kept from the inlet sewage.

USED MATERIALS
Tanks : highly resistant reinforced vibrated concrete
Shafts : concrete (if requested class D 400 cast iron)
Piping : galvanised steel and polyethylene
By request : stainless steel AISI 304

SPECIFICATION
OXI/A: “Supply of prefabricated total oxidation depuration plant made of reinforced concrete type EURO MEC OXI/A series composed of tanks vertical axe made of modular rings to seal on site divided into biological oxidation and final sedimentation, complete with sewage inlet and outlet connection pipes, inspection shafts made of concrete, self-polishing membrane air diffusers, command and protection electric panel with timer and all other electromechanical parts for the correct functioning.”

OXI/AS: ““Supply of prefabricated total oxidation depuration plant made of reinforced concrete type EURO MEC OXI/A series composed of tanks vertical axe made of modular rings to seal on site divided into initial gross screening type Imhoff , biological oxidation and final sedimentation, complete with sewage inlet and outlet connection pipes, inspection shafts made of concrete, selfpolishing membrane air diffusers, command and protection electric panel with timer and all other electromechanical parts for the correct functioning.”

   OXI/A-1 catalog pdf format (ita-eng)
   OXI/A-2 catalog pdf format (ita-eng)

BIODISCS MODULAR RING BIOLOGICAL PLANTS FROM 50 TO 500 EQUIVALENT POPULATION

Biodiscs modular ring biological plants from 50 to 500 equivalent population
Biodiscs modular ring biological plants from 50 to 500 equivalent population
Modular ring prefabricated plants type EURO MEC OXI/B series for residential areas from 50 to 500 equivalent population are dimensioned in order to guarantee the acceptance limits to the discharge foreseen by the Directive 91/271/CEE for discharge in superficial water, principally composed of a “biodiscs” biological oxidation including a roll composed of propylene discs assembled on a rotating shaft by means of a low energetic consumption gear box and a final sedimentation with continuous sludge recycling by means of a submersible pump.

Besides the supply includes the general command and protection electric panel.
By request the modular ring prefabricated plants type EURO MEC OXI/B series can be executed with pre-treatment realised in a suitably dimensioned gross screening tank type Imhoff (OXI/BS series).

HOW BIODISCS BIOLOGICAL PLANTS OXI/B SERIES WORK
Modular ring prefabricated plants type EURO MEC OXI/B series are composed of a primary sedimentation section, a biological oxidation section and a secondary sedimentation section.
Water first flows to the primary sedimentation tank, that accomplishes at the same time the physical separation of the most gross sedimentable solid bodies, the digestion and stabilization of primary sludge and of sludge produced by the process recycled from the final sedimentation tank.
In the biological section happens the absorption of decomposable organic substances coming from the flora grown on low speed rotating disks.

The bacterial flora is alternately brought into contact with organic material contained in sewage to clarify and with atmospheric oxygen, directly absorbing most of the organic material in phase of immersion in sewage and the oxygen proportionally necessary during the emersion phase.
The layer of bacterial flora which adheres to the discs when it reaches the thickness of 4/5 mm, comes off in easily sedimentable flakes, that are collected and concentrated in the following phase of final sedimentation and then recycled in continuous to the primary digestion phase.

USED MATERIALS
Tanks : highly resistant reinforced vibrated concrete
Shafts : concrete (if requested class D 400 cast iron)
Piping : galvanised steel and polyethylene
Biodisks cover : fiberglass
By request : stainless steel AISI 304

SPECIFICATION
“Supply of prefabricated total oxidation biological depuration plant made of reinforced concrete type EURO MEC OXI/B series composed of a primary sedimentation tank made of modular rings in highly resistant reinforced concrete to seal on site, a monobloc tank made of concrete to contain biodiscs with gear box and fiberglass cover. The supply also includes the final sedimentation tank made of modular rings made of highly resistant concrete to seal on site with water recycle system in front of the plant, the command and protection electric panel of all devices.”

   OXI/B catalog pdf format (ita-eng)


purification, septic tanks, biological oxidation




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