Essays about: "Constructed wetland"

Showing result 21 - 25 of 67 essays containing the words Constructed wetland.

  1. 21. Nitrogen runoff, constructed wetlands and the effect on catch of fish in the Öresund strait

    University essay from Lunds universitet/Miljövetenskaplig utbildning

    Author : Saga Hedstigen Sundblad; [2020]
    Keywords : seafloor oxygen demand; fish catch; constructed wetland; Earth and Environmental Sciences;

    Abstract : Eutrophication and low dissolved oxygen levels are spreading all over the world, causing changes in fish distribution and decline in fish abundance and catch of fish. This study assesses the current nitrogen (N) surface runoff to the Öresund strait, the seafloor oxygen demand it cause, the subsequent effect on fish catch, and the constructed wetland area needed to retain current N loads. READ MORE

  3. 22. Sustainability assessment of potential wastewater treatment techniques in Tupiza, Bolivia

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Johanna Burström; [2020]
    Keywords : MCA; wastewater treatment; sustainable sanitation; Bolivia; stabilisation ponds; anaerobic reactors; constructed wetland; alkaline treatment of sludge; ammonia treatment of sludge; MCA; avloppsrening; hållbara VA-lösningar; Bolivia; stabiliseringsdammar; anaerobiska reaktorer; anlagd våtmark; alkalin slambehandling; slambehandling med ammoniak; Análisis multicriterio; tratamiento de aguas residuales; saneamiento sostenible; Bolivia; estanques de estabilización de desechos; reactores anaeróbicos; humedales artificiales; tratamiento de lodo con cal; tratamiento de lodo con urea;

    Abstract : Aiming for sustainable sanitation systems can provide benefits among a vast range of Sustainable Development Goals. In this study the sustainability of potential options for renovating or upgrading thewastewater treatment plant in Tupiza, a rapidly growing city in theSouthern highlands of Bolivia, was evaluated. READ MORE

  4. 23. An investigation of the Mechanisms Behind the Pharmaceutical Removal in Ekeby Wetland WWTP

    University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Author : Paula Luu; [2020]
    Keywords : Constructed wetlands; pharmaceuticals; wastewater; removal efficiency; mechanism.; Anlagd våtmark; läkemedel; avloppsvatten; avskiljning; mekanism.;

    Abstract : Pharmaceutical residues are being released into the aquatic environment through domestic wastewater effluents all around the world. Ekeby wetland located in Eskilstuna has been shown to degrade pharmaceutical residues in wastewater but the mechanism of how and where in the wetland these substances are removed were not known. READ MORE

  5. 24. Consequences on population dynamics following regained connectivity in pike (Esox lucius) spawning location

    University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Author : Oscar Adolfsson; [2020]
    Keywords : dmixture; emigration; downstream spawning; pike-factory; restoration; sourcesink dynamics; spawning strategy;

    Abstract : Distributional movements of subpopulations may act as a buffer to prevent the loss of a species in a certain area. However, within subpopulations adaptations may evolve that makes the inhabitants of a certain habitat to better cope with prevailing environmental conditions. READ MORE

  6. 25. The Current Water Balance in Syria : Evaluating the potential contribution of Constructed Wetlands as a treatment plant of municipal wastewater in Al-Haffah

    University essay from Mittuniversitetet/Institutionen för ekoteknik- och hållbart byggande

    Author : Mohamad Mubarak Drgham; [2020]
    Keywords : Water balance; constructed wetlands;

    Abstract : The future projection of climate change suggests the strong need of improved systems to the re-source management systems. In Syria, the current water resource management systems are weak, and the country has no resilience to the scarcity of water resources in the region. READ MORE