Wastewater treatment plants (WWTP) are installed in areas where connection to the central sewer system is impossible. The equipments are intended for treatment of domestic wastewater from toilets, bathrooms, kitchens and other similar household premises. The equipment cannot collect surface wastewater such as rooftops, garden yards, rain and drain water. It cannot collect wastewater from garages and other non-living premises, from swimming pools or other large tanks. Equipment cannot collect oil and other petroleum products, grease, chemical substances, which access the sewage is not foreseen according to their scope (agro chemistry, bleach and other chemical substances). The treated wastewater may be safely released into the surface waters or into the ground (through the filtration field or ground water catchment). Also it may be directed into the meliorative ditches, on the roadsides. Also it may be used for secondary use .

The equipment does not require special operation. It is enough to eliminate 1-4 times a year the surplus sludge which has collected in a bottom of secondary settler. It is necessary to disconnect and remove the air blower pipe. The surplus sludge is sucked through the vertical pipe. That sludge which remains on bioload after the elimination is sufficient for normal functioning of the equipment. Also other preventive checks, such as the work of the air blower, check if the air filter is clean, check of aeration system are necessary, etc. Interval between preventive checks may reach from 1 to 4 times per month. 

Air blower – The air blower has to be installed in a dry and well ventilated room. The blower should not touch the wall. Also the blower cannot be installed in living premises or in the places that are allocated carbon dioxide (e.g. garage). In case, when the air blower is installed outside, it should be protected from a rain, a dust and humidity. In this case the air blower has to be placed in the special fibreglass box. The air blower should work constantly and it should be connected to the electricity system. Also it is necessary regularly to check its work (whether it heats up, whether there was vibration etc.). More operation and maintenance information is described in the air blower instruction. It is necessary to read the air blower operation and maintenance instruction.

ADVANTAGES

High polluting substances cleaning;

Durable light plastic construction (easy to ship);

Treated wastewater is clear and odorless;

No need in additional filtering equipment;

Quiet and does not diffuse smell;

No moving parts inside which would require maintenance or replacement.