Essays about: "advanced water treatment"

Showing result 21 - 25 of 39 essays containing the words advanced water treatment.

  1. 21. The Seasonal Dynamics of Removal of Nitrogen in Free Water Surface Constructed Wetlands in cold climate

    University essay from Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskap

    Author : Chang Ge; [2019]
    Keywords : Temperature; Variation; Sewage; Denitrification; Carbon source;

    Abstract : In Sweden and other Nordic countries, Free Water Surface (FWS) constructed wetlands are widely used for advanced sewage treatment. This study was performed in an experimental wetlands system in order to research the seasonal dynamics and interferences in N removal under cold climate condition. READ MORE

  3. 22. Removal of poly- and perfluoroalkyl substances from water using the BDD electrode

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

    Author : Winnie Nassazzi; [2018]
    Keywords : PFAS; drinking water; advanced oxidation processes; membrane reject water; electrochemical treatment; BDD electrode;

    Abstract : Poly-and perfluoroalkyl substances (PFASs) have been used for a wide range of purposes due to their unique properties. Unfortunately, these compounds have been associated with several adverse health effects and high persistence in the environment, therefore, creating a need for their elimination from the environment. READ MORE

  4. 23. A review on ozonation and17a-ethinylestradiol - formation and effects in the environment of the by-products

    University essay from Lunds universitet/Miljövetenskaplig utbildning

    Author : Erica Svensson; [2017]
    Keywords : Ethinylestradiol; EE2; By-products; Ozonation products; Transformation products; Ozonation; Earth and Environmental Sciences;

    Abstract : Today, waste water treatment plants do not remove pharmaceutical residues from the water (as there are currently no regulations for wastewater treatment in regards to pharmaceuticals residues in Sweden) resulting in a high concentration of pharmaceuticals reaching the environment. The Swedish environmental protection agency have recently concluded that there is a need for advanced treatment of pharmaceuticals in wastewater. READ MORE

  5. 24. Removal of per- and polyfluoroalkyl substances from drinking water using ozonation

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

    Author : Miriam Dorothea Schäfers; [2017]
    Keywords : PFAS; drinking water; ozonation;

    Abstract : Per- and polyfluoroalkyl substances (PFASs) are a broad group of man-made chemicals which are persistent, bioaccumulative and toxic. Due to their unique physicochemical properties PFASs are used in various industrial processes and consumer products. READ MORE

  6. 25. Water Quality Protection - A Comparative Study of India and Sweden

    University essay from KTH/Mark- och vattenteknik

    Author : Shivangi Shreya; [2017]
    Keywords : Water quality; Ground water; Surface water; EU directive; India; Sweden.;

    Abstract : This report is a comparative study of ground water and surface water quality protection of a developing country India and a developed country Sweden. It covers the basic water policies, laws, rules, regulations and human right to water provisions in both the countries. READ MORE