The constructed wetland (CW) for 326 PE with horizontal subsurface flow at Kotenčice, Central Bohemia, Czech Republic, was built in 1994. Despite the relatively high efficiency of the CW, the filtration beds suffered from clogging, and therefore it was decided in 2011 to rebuild the whole system. The new treatment system was built as an experimental system consisting of four different combinations of horizontal and vertical beds. The major aim of the design was to determine the best hybrid combination which then could be used in the future for refurbishment of older horizontal flow CWs or for the new systems. The mechanical pretreatment consists of mechanical bar screens, a new Imhoff tank, and the original settling tank which has been converted into the accumulation tank from where the wastewater is pumped into the wetlands. The filters are planted with Phragmites australis, Phalaris arundinacea, Iris pseudacorus, Iris sibirica, Glyceria maxima and Lythrum salicaria in order to evaluate and compare various plant species' effect on the treatment process. The new technology includes a tertiary treatment which consists of a greenhouse with a photo-reactor for the cultivation of algae and hydroponic systems (residual nutrients removal), sludge reed-beds and a composting field.
Skip Nav Destination
Article navigation
Research Article|
September 01 2013
Reconstruction of a constructed wetland with horizontal subsurface flow after 18 years of operation
Tereza Hudcová;
1Dekonta, Dřetovice 109 273 42, Stehelčeves, Czech Republic
E-mail: [email protected]
Search for other works by this author on:
Jan Vymazal;
Jan Vymazal
2Czech University of Life Sciences Prague, Faculty of Environmental Sciences, Department of Applied Ecology, Kamýcká 129, 165 21 Prague 6, Czech Republic
Search for other works by this author on:
Michal Kriška Dunajský
Michal Kriška Dunajský
3University of Technology, Faculty of Civil Engineering, Department of Landscape Water Management, Veveří 95, Brno, Czech Republic
Search for other works by this author on:
Water Sci Technol (2013) 68 (5): 1195–1202.
Article history
Received:
February 19 2013
Accepted:
May 07 2013
Citation
Tereza Hudcová, Jan Vymazal, Michal Kriška Dunajský; Reconstruction of a constructed wetland with horizontal subsurface flow after 18 years of operation. Water Sci Technol 1 September 2013; 68 (5): 1195–1202. doi: https://doi.org/10.2166/wst.2013.374
Download citation file:
Sign in
Don't already have an account? Register
Client Account
You could not be signed in. Please check your email address / username and password and try again.
Could not validate captcha. Please try again.
eBook
Pay-Per-View Access
$38.00