Essays about: "thesis on sewage"

Showing result 16 - 20 of 65 essays containing the words thesis on sewage.

  1. 16. Occurrence and fate of 7 APIs in two sewage treatment plants - and their reactions to tertiary treatment

    University essay from Umeå universitet/Kemiska institutionen

    Author : Sara Boström; [2020]
    Keywords : ;

    Abstract : In recent years concerns have been raised about micropollutants, such as pharmaceutical ingredients, being released into the aquatic environment. As a consequence, signs of adverse effects on biota have been identified. Also, potable drinking water is a precious and potentially finite resource that need be taken care of. READ MORE

  2. 17. Estimating Risks of Pharmaceutical NSAID Mixtures in Surface Waters through Risk Cups : – Implications for Sustainability

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Per Mandahl; [2020]
    Keywords : Sustainable Development; Ecotoxicology; Risk Cup; Pharmaceuticals; Surface Water; MEC PNEC;

    Abstract : Background: Use of pharmaceuticals can lead to unchanged or metabolite residues in surface water that may result in negative environmental effects. Sweden has adopted the Generational goal defining direction and changes needed to become a sustainable nation, these align with the UN Sustainable Development Goals (SDGs). READ MORE

  3. 18. Sanitation in Moria : The Sphere minimum standards and sustainability in a protracted crisis

    University essay from Uppsala universitet/Teologiska institutionen

    Author : Karoliina Korhonen; [2020]
    Keywords : refugees; Moria; sustainability; Sphere minimum standards; protracted crisis; crisis; sanitation; WASH; refugee camp; Greece; asylum seekers; environment; health; humanitarian action; development; Lesbos;

    Abstract : With over 19,200 asylum seekers living on its premises, the Moria refugee camp is operating way over its capacity of 3000 residents. Due to the uncontrolled, rapid growth of the camp, the existing sanitation infrastructure has fallen into disrepair under excessive usage. READ MORE

  4. 19. VERTICAL ELLIPTICAL ACCESS-SHAFTS Geometrical optimisation through FE-modelling

    University essay from Lunds universitet/Geoteknik; Lunds universitet/Institutionen för byggvetenskaper

    Author : Björn Elfving; Aron Sandström; [2020]
    Keywords : Access-shafts; FE-modelling; Plaxis; Robot; Elliptical; Circular; Optimisation; Geotechnical; Engineering; Retaining; Structures; Tunnel; Soil; Interaction; Technology and Engineering;

    Abstract : Urbanisation is causing densification of cities and more and more facilities are being placed in the underground to utilise the urban space as efficiently as possible. Access to the underground is obtained by constructing vertical access shafts. READ MORE

  5. 20. Methods for Evaluating Dewatering Properties of Sewage Sludge

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Nadia Abdalla; [2019]
    Keywords : sludge dewatering; sewage sludge; laboratory scale sludge treatment; dewatering sludge; dewatering sewage sludge; CST; capillary suction time test; centrifuge; lab-centrifuge; rheology; polymers conditioning; sludge conditioning; centrifuge on lab scale; evaluation of lab experiments; CST evaluation; mechanical de-watering evaluation; sludge dewatering at lab; lab scale dewatering process; sludge dewatering methods at lab; Chemical engineering; Lab centrifuge; Capillary Suction Time CST ; Mechanical sludge dewatering evaluation; Polymers conditioning of sludge; sewage sludge dewatering; methods for sludge dewatering at lab; water engineering; environmental engineering; vattenförsörjningsteknik; avloppsteknik; Chemistry;

    Abstract : After the sewage wastewater is collected from different households and directed to the treatment plants, it goes through several processes, which are physical, chemical and biological. The different processes remove the contaminant, and produce a semi-solid material named sludge. Sludge has a huge amount of liquid. READ MORE