Flexidiblok®

Flexidiblok®

  • biological wastewater treatment plant with interrupted activity
  • consists of two activation tanks
  • the operation is controlled by micro computer with the option to adapt the treatment regime to the quality and volume of inflowing water
  • usually designed for a capacity over 500 PE

The TopolWater company ensures high quality on the outflow (values of BOD5 under 10 mg/l), nitrification, de-nitrification and partial removal of phosphorus.

Advantages of the FLEXIDIBLOK® wastewater treatment plant:

  • high quality of water on the outflow – with sufficiently designed sizes of tanks, BOD5 at the outflow is about 5 mg/l and nitrification, de-nitrification and the partial removal of phosphorus is ensured
  • fully automated operation with remote control system, reduction of costs for servicing
  • high adaptability (option to use wastewater treatment plant for wastewater from septic tanks)
  • maximum protection of the recipient – in the case of failure of one of reactors, the second reactor automatically ensures flowing through the wastewater treatment plant without interruption of the treatment function up to the time of repair
  • low investment costs
  • low costs for servicing

Description of the technological line:

The wastewater flows into the object of rough pre-treatment where sand is removed and on the fine machine screen any other rough dirt is separated. Pre-treated water flows into the distributing tank with an independent filling device for each of pair of SBR reactors.

After filling the reactor all sets of the treatment processes are performed in one tank which is based on the biological removal of nitrogen, organic pollution and the partial removal of phosphorus. Then the reactor is put into inactive status and after sedimentation of the activated sludge at the bottom of the tank there is decantation of the water and, at the end of this, the pumping of excessive sludge to the sludge tank. With this, the treatment process is completed and reactor is ready for further use. Both reactors regularly alter in their activities.

Depending on the volume of the flowing wastewater the computer automatically optimizes the operation in the system in a wide range from 10% to 200% of the designed capacity of the wastewater treatment plant. In the case of a small flow, such a volume of treated water will remain in the system which is necessary to ensure the optimal conditions of the biological processes. At the same time, consumption of electric energy is automatically decreased depending on the decreased flow of raw wastewater.

In the case of increased flows, the total length of the treatment cycle is shortened so that before the filling of one of the two reactors the second reactor is empty. Within the range of the arbitrarily adjusted minimum and maximum values of the individual parameters, the wastewater treatment plant will react to the immediate hydraulic loading.

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    • RokTabs1
    • TOPAS – Ultraviolet (UV) Disinfection

    The Need for Cleaner Water

    It is proven scientifically that 85% of child sickness and 65% of adult diseases are produced by water-borne viruses, bacteria and intestinal protozoa such as Cryptosporidium and Giardia. Inappropriate water treatment can lead to heath problems – hepatitis B, tuberculosis, meningitis, typhoid fever, tricomoniasis, and cholera, glaucoma, gastrointestinal pain, salmonella, poliovirus, and diarrhea. In North America, E.coli O157:H7, an extremely dangerous strain of E.coli bacteria, infects more than 80,000 people annually. Fortunately, E.coli O157:H7 is easily inactivated by UV light.

    Disinfecting your recycle water with ultraviolet light (UV) makes good sense. It’s environmentally safe, it’s well proven, and it’s the way of the future for water disinfection requirements around the globe.

    The Process

    Ultraviolet (UV) disinfection uses a UV light source, which is enclosed in a transparent protective sleeve. It is mounted so that water can pass through a flow chamber, and UV rays are admitted and absorbed into the stream. When ultraviolet energy is absorbed by the reproductive mechanisms of bacteria and viruses, the genetic material (DNA/RNA) is rearranged and they can no longer reproduce. They are therefore considered dead and the risk of disease has been eliminated.

    UV-rays are energy-rich electromagnetic rays that are found in the natural spectrum of the sunlight. They are in the range of the invisible short wave light having a wavelength ranging from 100 to 400 nm (1 nanometer = 10-9m).

    UV, like distillation, disinfects water without adding chemicals, and therefore possesses some of the same benefits as distillation. It does not create new chemical complexes, nor does it change the taste or odor of the water, and does not remove any beneficial minerals in the water.

    Ultraviolet devices are most effective when the water has already been partially treated, and only the cleanest water passes through the UV flow chamber. TOPAS WWTP uses both a biological process and a sand filter to clean the water prior to passing it through the UV light, to provide complete water quality solutions. Ultraviolet light is a natural, cost effective, environmentally friendly disinfection process for use in homes where healthy water is a concern.