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Construction of a bioreactor |
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The spatial construction of a bioreactor can be adapted to the respective carriage-specific installation position. In general, a differentiation is made between an interior and a space-saving underfloor arrangement of the PROTEC system. Sacrifices in vehicle seating capacities are therefore not required. In general, the PROTEC system consists of the following elements: | |
Filter chamber with inset
- Biological chamber - Hygienization unit - Controls - Piping - Internal transportation route |
Via an existing transportation route, the waste water initially reaches a filter basket which is mounted laterally and to the floor of the solids container by means of spacers and retains the solid components. In the case of internally fitted equipment, the mechanically purified waste water seeps into the fluids reactor by gravitation. In the case of underfloor bioreactors, the filtered fluid is drawn out of the solids container by means of pumping equipment and fed into the fluids reactor. Outside air enters the fluids reactor through ventilation pipes and flows through the so-called packed bed zone onto which a biofilm was grown. After a specified delay time, the biologically treated fluid is channeled into the thermal hygienization unit. At the same time, reflux into the solids reactor is prevented. The fully treated fluid is released onto the track in defined lots during travel. A fluids discharge when stationary is thus avoided. Toilet utilization in the station and when the train is stationary is unrestricted.
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