Essays about: "urban sewage"

Showing result 21 - 25 of 49 essays containing the words urban sewage.

  1. 21. Feasibility study for producing and using biogas in Chisinau, Moldova

    University essay from Linköpings universitet/Industriell miljöteknik

    Author : Johanna Alander; Adam Nylin; [2018]
    Keywords : Biogas; Biofertilizer; Biomethane; Potential; Feasibility; Chisinau; Moldova; Sustainable cities;

    Abstract : More and more people live in cities, cities that both present opportunities, in terms of potential sustainable growth and challenges, for example regarding insufficient infrastructure and waste management. There are several examples on initiatives to make cities reach their sustainability potential; one is to turn municipal organic waste, MOW, and sewage sludge into biogas and use it to produce electricity and/or heat or to upgrade it to biomethane and use it as a fuel in for example public transport or feed it to a gas grid. READ MORE

  3. 22. 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

  4. 23. Optimization of bio-methane production process for combined treatment of sewage & municipal solid waste

    University essay from KTH/Energiteknik

    Author : D.W.N Wijesinghe; [2016]
    Keywords : ;

    Abstract : Handling solid waste such as municipal solid waste (MSW) has become a booming problem in highly populated urban areas. Even though it has a high potential of biogas generation in anaerobic digestion, it is not that successful as a single substrate. READ MORE

  5. 24. Hantering av vatten i urbana miljöer : förutsättningar för att skapa lokala, kretsloppsbaserade system i stadsrummet

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

    Author : Johanna Lindgren; [2016]
    Keywords : hållbar; planering; vatten; spillvatten; dagvatten; avloppsvatten; rening; urban; urban miljö; biologisk mångfald; rekreation; rening; övergödning; kretslopp; lokal; vattenhantering;

    Abstract : Denna studie har haft som utgångspunkt att undersöka vilka förutsättningar som finns för att förverkliga tanken om en hantering av vatten i urbana miljöer med lokala, kretsloppsbaserade system. Det har skrivits mycket inom landskapsarkitekturen om hanteringen av dagvatten i öppna system, och det planeras idag i större utsträckning för sådana. READ MORE

  6. 25. Estimating the potential for resource recovery from productive sanitation in urban areas.

    University essay from KTH/Mark- och vattenteknik

    Author : Daniel Isaac Waya Ddiba; [2016]
    Keywords : Sanitation; Organic solid waste; Resource recovery; Waste reuse; Modelling; Developing countries;

    Abstract : To-date, sanitation has mainly been approached from a public and environmental health perspective and this implies that excreta and other organic waste streams are seen not only as a hazard to quickly get rid of but also as a very costly menace to manage. However, looking at sanitation management from a resource recovery perspective provides an avenue for solutions with multiple co-benefits. READ MORE