Essays about: "tillskottsvatten"

Found 3 essays containing the word tillskottsvatten.

  1. 1. How can Inflow & Infiltration be effectively and sustainably managed? : MCA as a tool for decision support in planning Inflow & Infiltration

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Erika Qvick; [2021]
    Keywords : Inflow and infiltration; stormwater; sewer system; sustainable urban water management; decision support; multicriteria analysis; Tillskottsvatten; dagvatten; avloppssystem; hållbar urban vattenhantering; beslutsstöd; multikriterieanalys;

    Abstract : Inflow and infiltration (I/I) water in the sewer network originates from groundwater, precipitation, seawater as well as over-leakage from drinking water pipes. It is the proportion of water in the sewer system that is not wastewater and causes problems both at the treatment plant as well as in the sewer network. READ MORE

  3. 2. Analysis and optimization of a dissolved air flotation process for separation of suspended solids in wastewater

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Oskar Bäck; [2021]
    Keywords : Dissolved air flotation; Effluent recycle rate; Optimization; Recycle flow pressurization; Wastewater;

    Abstract : Margretelund wastewater treatment plant (WWTP) operated by the water utility Roslagsvatten AB, wasbuilt in 1956 and is located in Åkersberga town, Stockholm County, Sweden. Margretelund WWTP waslast renovated in 1999, and has been operated with the same physical, chemical, and biological processessince then. READ MORE

  4. 3. Heat recovery from untreated wastewater : A case study of heat recovery from sewerline to district heating network

    University essay from KTH/Energiteknik

    Author : Ola Vestberg; [2017]
    Keywords : ;

    Abstract :  High amounts of heat energy are today deposited into the urban wastewater system. The current society-wide development for energy efficiency has so far barely touched upon the area of wastewater heat conservation, which is why the share of total energy consumption from water use is increasing. READ MORE