Essays about: "free water surface wetland"

Showing result 1 - 5 of 10 essays containing the words free water surface wetland.

  1. 1. Constructed wetland for post-treatment of phosphorus in wastewater : An initial assessment of potential design and application to a small-scale water treatment plant in Åre municipality, Sweden

    University essay from Mittuniversitetet/Institutionen för naturvetenskap, design och hållbar utveckling (2023-)

    Author : Johan Arnemo; [2023]
    Keywords : : cold climate; ecological engineering; free water surface wetland; horizontal subsurface wetland; phosphorus treatment;

    Abstract : In recent years, the treatment of phosphorus in Nyland's water treatment plant (located in Åre municipality) has been substandard. The problem has persisted despite attempts to lower the concentration to meet the emission requirements. READ MORE

  3. 2. Modeling BOD removal in free watersurface constructed wetlands with variable residence time-based methods

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Degefu Yohannes Sebro; [2021]
    Keywords : BOD removal; Free water-surface constructed wetlands; VART-BOD; models; dynamic diffusion zone; Technology and Engineering;

    Abstract : Constructed wetlands (CWs) have been applied for several years in the removal process pollutants from secondary treatment plants and stormwater. In this paper, the Variable Residence Time (VART) model for solute transport in streams was extended to simulate the BOD removal process in free water surface flow constructed wetlands (FWS CWs). READ MORE

  4. 3. Phosphorus accumulation in a free water surface wetland discharging into the Baltic Sea

    University essay from SLU/Dept. of Aquatic Sciences and Assessment

    Author : Manuela Watschka; [2021]
    Keywords : free water surface wetland; phosphorus accumulation; internal loading; sediment accumulation;

    Abstract : Eutrophication has been an issue of the Baltic Sea for a long time, causing de-creased water clarity due to enhanced growth of algae and oxygen depletion dur-ing the decomposition of algae. The study investigated the free water surface wetland Vilhelmsberg that treats agricultural runoff before the water reaches the Baltic Sea. READ MORE

  5. 4. Removal efficiency of indicator organisms and tetM prevalence in enterococci in a constructed wetland for wastewater treatment

    University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

    Author : Linnea Olsson; [2013]
    Keywords : Removal efficiency; constructed wetland; indicator organisms; Enterococccus; tetM gene; wastewater treatment;

    Abstract : Indicator organisms like coliforms, E. coli and enterococci are normally associated with the intestinal tract of warm-blooded animals, and can thus be used for indicating fecal contamination of water. READ MORE

  6. 5. Metal and metalloid sequestration in a constructed wetland system for treatment of landfill leachate during 2003-2012

    University essay from Sektionen för ekonomi och teknik (SET)

    Author : Tatsiana Bandaruk; [2013]
    Keywords : ;

    Abstract : Landfill leachate treatment can be expensive and energy consuming when carried out in wastewater treatment plants. However, there can be several possible solutions for reducing cost and energy requirements and one of them is on-site biological treatment of polluted landfill leachate in constructed wetland systems. READ MORE