A biological sewage treatment plant is a set of technological devices used to purify sewage. This is most often done using mechanical-chemical-biological technology. It is worth learning more about this topic and getting to know effectively operating models.
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What is a biological sewage treatment plant?
The biological sewage treatment plant is very popular, which is understandable considering its efficiency and comfort of use. It uses advanced technologies to remove solids, as well as easy- and hard-settling suspensions and colloids from sewage. The principle of operation is very simple. The produced raw sewage is directed to the septic tank, where preliminary treatment takes place. The sewage is subjected to the action of anaerobic bacteria or aeration. Waste decomposes. The next stage of purification takes place in the oxygen chambers of the treatment plant tank. Importantly, the water obtained can be used, for example, to water lawns or flowers. The use of a biological treatment plant is really effective. There are no unpleasant odors that appear, for example, when using a septic tank. Additionally, you can save money because you don't have to empty it. It can be installed even on a small plot, regardless of the ground conditions.
Sizes of tanks for biological sewage treatment plants
In order to enjoy the effective operation of the sewage treatment plant, you must remember to choose the right size of the tank. It is estimated that water consumption in single-family homes is approximately 150 liters per day. For example, a tank with a capacity of 2000 liters will work very well for a family of 4 people. For larger families, you can invest in a tank with a capacity of 5000 liters. Remember, of course, that the tank should be made of a strong material that is resistant to changing weather conditions, including moisture and loads. Plastics work very well here because they are easy to transport and install.
Construction diagram of a biological sewage treatment plant
The biological sewage treatment plant operates efficiently and does not require any maintenance. It is also not prone to failure. Its refinement and proper construction scheme are responsible for such excellent and failure-free operation. It consists of a primary settling tank where sewage is supplied. The first stage of purification takes place there by mechanical processes, sludge and scum are separated. Then the sewage is subjected to anaerobic digestion. The products of the process are: water, carbon dioxide, and substances that fall to the bottom in the form of sediment. Another important part is the separation chamber, where the sewage mixes. It functions as a fat separator. Only then does the sewage flow to the biological reactor, where the next proper stage of purification takes place on the biological bed. Biological deposits that are aerated are used here. The next important element is the clarification chamber, where suspensions formed after biological purification are separated. At the very end, the sewage water flows outside the treatment plant, and the resulting sludge falls from the clarification chamber to the secondary settling tank, which is the last part of the biological sewage treatment plant construction scheme.
Biological sewage treatment plants at the Onninen wholesaler
Noteworthy is the biological treatment plant with activated sludge in the SBR reactor, SBR MICRO-STAR Roth, available from the Onninen wholesaler. It is intended for four people. This model uses technology based on the activated sludge method. Carbon is eliminated and denitrification is a chemical reaction that reduces nitrates to nitrogen. In this way, the outflow water class C and D is achieved.
A biological treatment plant with activated sludge, SBR MS TWINBLOC Roth, will also be a good choice. It is a fully biological hybrid sewage treatment plant. It uses hybrid technology, which is a combination of a fluidized bed, i.e. a submerged biological bed, with activated sludge. This combination guarantees high treatment efficiency even with uneven sewage discharge.
The biological sewage treatment plant with activated sludge, SBR MS TWINBLOC Roth, will be the right choice for 7-12 users. This is another hybrid treatment plant based on the activated sludge and fixed bed methods. The device consists of three chambers. The first is the primary treatment zone, the second is the biological zone with pipe aeration, and the third is the secondary treatment zone with a separator pipe.
Check out biological sewage treatment plants at the Onninen wholesaler