Essays about: "reningseffektivitet"

Showing result 1 - 5 of 9 essays containing the word reningseffektivitet.

  1. 1. Treatment of Metals in Highway Runoff Water : Comparison of green infrastructures and filter material for stormwater treatment

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Fanny von Matérn; [2023]
    Keywords : Road runoff; heavy metals; constructed wetland; stormwater pond; vegetated filterstrip; vegetated swale; sandfilter; reactive filter material; Vägdagvatten; tungmetaller; anlagd våtmark; dagvattendam; översilningsyta; svackdike; sandfilter; reaktiva filtermaterial;

    Abstract : Highway runoff transport high concentrations of heavy metals. As climate change affect the environment with for example increased storm events, the treatment of road runoff becomes more important. READ MORE

  3. 2. Optimisation of a small-scale ultrafiltration system for separation of humic substances from surface water

    University essay from KTH/Kemiteknik

    Author : Nadia Nikzad; [2021]
    Keywords : Ultrafiltration; online-coagulation; pH; reaction time; coagulant dosage; NOM; humic substances; Ultrafiltrering; online-koagulation; pH; reaktionstid; koaguleringsdos; NOM; humusämnen;

    Abstract : Norrvatten är den fjärde största dricksvattenproducenten i Sverige. De producerar och distribuerar dricksvatten till 14 kommuner norr om Stockholm. Norrvatten har under en tid studerat alternativa processer för att optimera och öka produktionskapaciteten och effektiviteten i deras dricksvattenreningsverk vid Görvälnverket. READ MORE

  4. 3. Flow pattern analysis of a Surface Flow Constructed Wetland : Treating surface runoff and landfill leachate water from the Löt waste management site

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Max-Bernhard Alm; [2020]
    Keywords : Surface flow constructed wetland; flow pattern analysis; numerical model;

    Abstract : The waste management and recycling company, Söderhalls Renhållningsverk (SÖRAB) have constructed a surface flow wetland in order to treat surface runoff from the waste management site, Löt. The contaminated water passes several treatment steps until it reaches the wetland and a subsequent soil infiltration step. READ MORE

  5. 4. Deammonification efficiency in combined UASB and IFAS system for mainstream WWT

    University essay from KTH/Mark- och vattenteknik

    Author : Noureddine Khayi; [2017]
    Keywords : Ammonium; Nitrite; Nitrate; Deammonification; UASB; MBBR; DO; Aeration; monitoring; on-line control;

    Abstract : The study is about Nitrogen removal from the low concentrated mainstream wastewater after Upflow Anaerobic Sludge Blanket reactor process (UASB) by single-stage Partial Nitritation/Anammox process in a pilot scale reactor at Hammarby Sjöstad in Stockholm. A mixture of various concentrations of dissolved oxygen and different aeration methods have been tested in the pilot scale reactor in five months divided into five periods where the temperature was set at 15° C throughout the study. READ MORE

  6. 5. Evaluation of the Removal Efficiency of Perfluoroalkyl Substances in Drinking Water

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Sophie Englund; [2015]
    Keywords : per- and polyfluoroalkyl substances; PFASs; anion exchange; activated carbon; drinking water; removal efficiency;

    Abstract : Per- and polyfluoroalkyl substances (PFASs) are chemicals that have been used for over 50 years. They are both hydrophobic and hydrophilic, which make them useful in a wide range of products, both in the domestic and industrial market. Recently, the global attention on PFASs has increased due to their possible harmful health effects on humans. READ MORE