Essays about: "sandfiltrering"

Found 4 essays containing the word sandfiltrering.

  1. 1. Treatment of dissolved metals in highway runoff water : Pilot-scale trial with four reactive filter media and sand filter

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Serena Bianchi; [2021]
    Keywords : stormwater treatment; metal removal; adsorption; reactive filter media; sand filtration; Petrit-T; Polonite; D-Rainclean; Filtralite-P; de-icing salt; pressure drop; filter clogging; rening av dagvatten; avl ̈agsnande av metaller; adsorption; reaktiva filterme- dier; sandfiltrering; Petrit-T; Polonite; D-Rainclean; Filtralite-P; avisningssalt; tryckfall; filterstoppning;

    Abstract : The increasing highway traffic is leading to higher and higher levels of pollutants in the stormwater, such as suspended solids, metals, oils, nutrients and PAH. This runoff water causes the degradation of water bodies quality, leading to increased interest in the treatment of highway runoff for the removal of contaminants. READ MORE

  3. 2. 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

  4. 3. Mapping of Bacteria with Flow Cytometry – before, during and after treatment of drinking water

    University essay from Lunds universitet/Examensarbeten i molekylärbiologi

    Author : Mikael Danielsson; [2018]
    Keywords : Biology and Life Sciences;

    Abstract : In order to produce drinking water of high quality, surface water works apply extensive treatment processes. In this study, flow cytometry and heterotrophic plate counting was utilized to study water quality before, during and after treatment in Görvälnverket in Stockholm, Sweden. READ MORE

  5. 4. A field study of the EmWat 4000 : An evaluation of the performance of the emergency water treatment unit on the behalf of UNICEF, Ethiopia

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Oskar Ljungqvist; Ylva Schwinn; [2005]
    Keywords : pollution control; Teknik; Technological sciences; water treatment kit; clean drinking water; EmWat 4000; water purification system; water quality; carbon filter; dricksvatten; Environmental technology; dricksvattenproduktion; vattenreningssystem; vattenkvalitet; reningsprocess; Miljöteknik; kontroll av utsläpp; Technology and Engineering; Earth and Environmental Sciences;

    Abstract : Ämne för detta examensarbete valdes efter en förfrågan från UNICEF att bistå dem att utvärdera ett mobilt system för dricksvattenproduktion. Sedan juni 2003 har EmWat 4000-systemet använts i Etiopien i områden med vattenbrist. READ MORE