Essays about: "biologisk rening"

Showing result 6 - 10 of 30 essays containing the words biologisk rening.

  1. 6. Considerations and Novel Technologies in Industrial Water Treatment - Treatment of challenging wastewater

    University essay from KTH/Kemiteknik

    Author : Nils Toll; [2021]
    Keywords : Industrial water treatment; considerations; novel technologies; BOD; COD; organic waste; heavy metals; desalination; Industriell vattenrening; nyckelfaktorer; nya teknologier; organiskt avfall; tungmetaller; avsaltning;

    Abstract : Industriell vattenrening är ett extremt viktigt område inom Miljöskyddsteknik då 60% av allt sötvatten inom Sverige används av industrier. Substanser som PFAS, aromatiska textilfärger, fenol och läkemedelsrester är extra utmanande då dessa kan vara gifta för biologisk rening. READ MORE

  3. 7. Evaluating the suitability of carbon source from fermentation of primary filter sludge for biological nutrient removal

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Sanna Sahlin; [2021]
    Keywords : Wastewater treatment; batch activity tests; NUR tests; anaerobic P release tests; EBPR; denitrification; removal rates; internal carbon source; fermentate; water and environmental engineering; Technology and Engineering;

    Abstract : Traditional biological nutrient removal (BNR) processes in wastewater treatment require access to easily biodegradable carbon in order to achieve sufficient removal. However, a lot of the carbon in the influent wastewater is not directly available for BNR bacteria but need to undergo hydrolysis first. READ MORE

  4. 8. 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

  5. 9. Optimizing the nitrogen removal in leachate treatment during continuous-flow biological treatment (KBR)

    University essay from KTH/Industriell bioteknologi

    Author : Leandra Anali De Luca; [2021]
    Keywords : Microbial culture enrichment; Continuous-flow biological treatment – KBR; Landfill leachate; Nitrification; Denitrification; Bioaugmentation; Microbiell anrikning; Kontinuerlig biologisk rening – KBR; Deponilakvatten; Nitrifikation; Denitrifikation; Vattenrening;

    Abstract : Användandet av deponier är en av de vanligaste metoderna för avfallshantering globalt. Trots insatser som gjordes för att förbjuda hushållsavfall i deponier under millennieskiftet, deponier skapade innan restriktionerna är fortfarande en risk för miljön. READ MORE

  6. 10. 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