hrvatski

Sustainability of the Constructed Wetlands for Wastewater Treatment Using Renewable Energy Sources

Constructed wetlands for the wastewater treatment represent not only effective facility for the removing of contamination, but they also fit good into the environment. Natural and artificial swamps, lakes or accumulations are usually used for these purposes. Despite of their positive characteristics for purification of the wastewater, there is a need for the electric energy, which is in the most cases used for the re-pumping of the wastewater, cleaning of the grid on the entrance in constructed wetland, re-pumping of the purified wastewater, heating during the winter period, illumination and safety reasons. There are many renewable energy sources, which may be used for such purposes. Availability, with accent on intensity and duration of the renewable energy sources depends mostly on the climate characteristics of the observed location in the world. This research will explore which of the renewable energy sources can be used for the production of the electric energy for the constructed wetlands for wastewater treatment, where the primary orientation would be achieving of the systematic sustainability of such constructed wetlands from the energy and hydraulic aspects. For the purpose of the research, there is an intention to present model, which will take into the account all situations, which could happen during procedure of the wastewater treatment. During the operational work of the constructed wetlands, there is a possibility for a surplus of a produced electric energy, which can be used for different purposes or to be sold into existing electric energy grid.

Sustainability ; Wetlands ; Wastewater treatment ; Renewable energy sources.

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