Essays about: "biologisk rening"

Showing result 1 - 5 of 20 essays containing the words biologisk rening.

  1. 1. The possibilities of recycling wash water at Vidinge

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Julia Mauritzson; [2020]
    Keywords : reuse; treatment; fresh-cut; water engineering; environmental engineering; avloppsteknik; vattenförsörjningsteknik; Technology and Engineering;

    Abstract : Water is a resource of importance and with drier weather around the world, including Swe-den, there is a risk of too low levels of water to satisfy for instance households, animals and industries in the future. Fresh-cut fruit and vegetable industries are water intense and almost all process water is used in the washing process. READ MORE

  2. 2. Challenges during start-up of urine nitrification in an MBBR

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Ellen Ascard Edefell; [2017]
    Keywords : Urine; source-separation; urine stabilisation; nitrogen recovery; nitrification; moving bed biofilm reactor; MBBR; water engineering; environmental engineering; vattenförsörjningsteknik; avloppsteknik; Technology and Engineering;

    Abstract : Nitrogen and phosphorous compounds are secreted by humans and treated in wastewater treatments plants. These substances are also found in agricultural fertilisers and needed for plant growth. Nutrient recycling is limited in conventional treatment systems and valuable products are lost. READ MORE

  3. 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

  4. 4. Function of soil-based on-site wastewater treatment systems - Biological and chemical treatment capacity

    University essay from KTH/Mark- och vattenteknik (flyttat 20130630)

    Author : Linnéa Tjernström; [2017]
    Keywords : ;

    Abstract : On-site wastewater treatment systems are among the main Swedish anthropogenic sources of nutrients causing euthropication of the Baltic Sea. Among on-site systems in Sweden almost half have septic tank treatment followed by a soil-based system, in which the wastewater is treated through soil filtration. READ MORE

  5. 5. Under ytan : hur designa naturpool för privat trädgård?

    University essay from SLU/Department of Landscape Architecture, Planning and Management (from 130101)

    Author : Nilgun Fernehall; [2017]
    Keywords : vatten; baddamm; ekologisk pool; biologisk rening; vattendesign; vattenväxter; vattenträdgård;

    Abstract : Det här arbetet undersöker naturpooler, ett begrepp som jag kom i kontakt med under kursen företagsekonomi andra året på trädgårdsingenjörprogrammet, då vi skulle ha en fiktiv affärsidé att arbeta med. I jakten på inspiration till trädgårdsprojekt hittades en ny värld. Världen med naturpooler. READ MORE