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  Price and easy installation.

The price and the fact that they are so easy to install are the main advantages of our treatment stations which can be installed and functioning within one day. Among their qualities, their compact size stands out, allowing an optimal use of the available space without ruining the landscape or damaging the surroundings.

  Efficiency in the purification process.
The Biological Treatment and Oxygenation Plants provide an excellent efficiency in the purification process, eliminating nitrogen and phosphorous without using chemical substances, moreover avoiding the presence of bad odours. All of these parameters are achieved from the moment the plant is set up.

 Minimal consumption and generation of sludge.
The energy consumption of our installations is greatly reduced (208 Kwh per year), a factor which is reflected in the reduction in the price as well as the reduced production of excess sludge with a maximum of 1 cubic metre per year. The treated water can be reused for technical uses.

  Always operational.
The biological processes that are carried out in our E.D.A.R. allow its optimum use under adverse climatic conditions such as freezing or high temperatures. Additionally, inactivity of the system for long periods of time do not affect its function, an aspect to bear in mind for temporary residents or users with extended periods of absence.

  Environmental respect.
In essence, they fulfil the strictest of environmental rules in order to achieve the maximum respect to the surroundings.


According to the treatment model, there are two possibilities:

1) Installation by our technical specialists who will be responsible for setting up the plant
2) Installation by the user for the smaller stations following the instructions provided by SIDAR.

In both cases, our specialists will provide all the necessary advice to ensure that the installation has the maximum level of success and an optimal operation.

To continue, we will lay out some recommendations for the assembly of our treatment systems:

a) It is essential that the space where the station is situated is prepared so that the treated water can flow out automatically. Therefore, it is not possible to install the system in a space where rain water or subterranean water may build up. Additionally, it should be kept in mind that the cover of the system should be in reach of head level to enable the necessary regular inspections.

b) The digging of the hole where the treatment station will be installed should be done in two steps:

  1.  Empty the majority of the necessary hole with a digger, but without reaching the bottom.
  2.  Finish the hole manually (using a spade) for the final 30 centimetres.

c) With the objective of guaranteeing that they are level, the SIDAR treatment stations must be installed on a concrete base. It is recommended that this platform be between 15 and 20 centimetres thick and that it includes mesh reinforcement. In those cases that are above subterranean water, it will be important to anchor the equipment to a base. If you choose to adapt the surface with a gravel cover, the purifying tank will be fixed to the base using strong ties.
d) It will be vital to verify the horizontal and vertical levelling of the tank when placing it in the hole, as well as its precise depth.

e) The following installation phase is to connect the holes of the purifier to the pipes. The piping must lie on a solid base so that it is completely immobile and it is essential that the diameters of the pipes exactly match those of the entry and exit holes of the equipment.

f) The choice of location for the placement of the compressor must be made with extreme care and according to the technical requirements of the equipment. The compressors are installed:

1. In indoor areas, such as garages, warehouses or storerooms, in which case direct contact with walls or structural columns must be avoided.
2. Outdoors, in which case it must be protected from rain, humidity and dust.
Though in both cases, it is necessary to connect it to the purifying tank with a 220W-3X1, 5Cu cable.

g) When assembling the air supply tubes to the internal connections, it is best to reduce the loss of air where possible. To achieve this objective, the flow of air must be as horizontal as possible, that is to say, reducing bends and angles in the pipes. The distance between the compressor and the purifier cannot be more than 6 metres.

h) When the tank is positioned correctly, it will fill with water little by little and in parallel to this the free space around the equipment will have to be filled with sand, avoiding large rocks. If both processes are done at the same time (filling the tank with water and adding sand to the hole), the station will settle correctly, avoiding the structure from being uneven. In this step, the purifier must fill up to the height of the clean waterexit hole.

i) Once the purifier is fully installed, it must be started up by SIDAR specialists. It will start to work once sludge from other working stations has been added. Regarding this point, the proportion of sludge must not exceed 150 grams per litre and it must not be more than 20 days old.

j) To start up the treatment system, the following instructions must be followed:

  1.  Turn on the compressor after opening the air valves so that the flow of air will pass to the elevators and other channels.
  2.  Program the timer and the system air pressure regulation.
  3.  Dilute one layer of compact sludgeand transfer it to the aeration zone so that it does not pass through all of the compartments of the installation.
  4.  Start the flow of waste water through the system.

k) According to the specific conditions regarding the place of setting up, choose between these different options:

  •  Treated water leaving into the ground (through a well or drain field).
  •  Water redirected to a river, pond or similar.
  •  Water reused for technical uses (irrigation, washing, etc.).

Our Biological Treatment and Oxygenation Plants can work automatically. However, it is necessary to carry out a manual technical control of them to achieve an optimum use. The equipment can be supervised by the owners however there is also the possibility of SIDAR specialists taking this role either through a periodic maintenance contract or visiting from time to time according to the owner’s needs.
The steps to carry out the supervision of the purifiers are as follows:

  • Clean theroughing grid.
  • Test that the compressor and the elevators are functioning correctly.
  • Test and clean the compression filter and the supply of air through the valves.
  • Evaluation of the state of the sludge.
  • Extract the excess sludge if necessary and according to the parameters of each model of purifier.

If you choose to rely on the SIDAR to provide maintenance, the company will provide many visits and services. On the other hand, for those users who opt to carry out the maintenance manually, they will require a series of basic materials and tools:

  • Submersible pump
  • Long-handled brush
  • Tank or receptacle for excess mud
  • Receptacle for water samples
  • 1000ml flask to test the decantation of the mud
  • Protective-glasses
  • Rubber gloves
  • Disinfectant soap
  • pH meter
  • Oximeter to detect oxygen diluted in the mix
  • Small spade
  • Thermometer