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Development of constructed treatment wetlands in Czech Republic for five years term

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F16%3APU119599" target="_blank" >RIV/00216305:26110/16:PU119599 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.5593/SGEM2016/B52/S20.029" target="_blank" >http://dx.doi.org/10.5593/SGEM2016/B52/S20.029</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.5593/SGEM2016/B52/S20.029" target="_blank" >10.5593/SGEM2016/B52/S20.029</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Development of constructed treatment wetlands in Czech Republic for five years term

  • Original language description

    Constructed wetlands (CWs) are in Czech Republic considered an alternative treatment technologies to activation treatment process. CWs are based on natural and slow wastewater treatment (without electricity). Horizontally flow CWs are confronted in many cases with problems almost the whole Czech Republic. As well as, they are often accompanied by inadequate cleaning efficiency (low ammonia removal). At present, about 400 CWs are in operation in Czech Republic. Majority of them are designed with horizontal sub-surface flow, while vertical flow constructed wetland are still are operated in the semi-experimental stage. However the vertical flow CWs have shown very good treatment effect and they can become the better solution into practice. Research work in the last five year solved the most common problems in constructed treatment wetlands. Our results are new approaches and solutions of configuration. The treatment efficiency is comparable with other technological devices for wastewater treatment. The outlet concentration obtained in the constructed wetland for 230 PE in the Czech Republic achieves COD <20 mg l-1, BOD < 7 mg l-1, TSS < 6 mg l-1 N-NH4+ < 7 mg l-1 (ammonia nitrogen is slowly improved). These results are significantly lower than the legislative limits for < 500 PE: COD < 150 mg l-1, BOD < 40 mg l-1, SS < 50 mg l-1 (ammonium nitrogen is not required). New results from research in the field of septic tanks also show significantly higher efficiency in comparison with slotted sedimentation tanks: COD = 78%, BOD = 75%, SS = 94%. In the Czech Republic is newly used numerical simulation in the research works connected with constructed wetland. The numerical simulation is provided by using software HYDRUS CW2D. We use numerical models of the CWs that were calibrated and allow to get information about the output concentrations of wastewater emission, such as ammonia nitrogen (N-NH4+), chemical oxygen demand (COD) and phosphorus (Ptot). The differences between me

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10501 - Hydrology

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    SGEM Conference Proceedingsc

  • ISBN

    978-619-7105-66-7

  • ISSN

    1314-2704

  • e-ISSN

  • Number of pages

    8

  • Pages from-to

    225-232

  • Publisher name

    STEF92 Technology Ltd.

  • Place of publication

    51 Alexander Malinov Blvd., 1712, Sofia, Bulgari

  • Event location

    Albena

  • Event date

    Jun 30, 2016

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000391519600029