Essays about: "aerobic conditions"

Showing result 6 - 10 of 42 essays containing the words aerobic conditions.

  1. 6. Investigation into the Removal of the By-product NDMA (N-Nitrosodimethylamine) from Ozonation Process in Wastewater Treatment

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Zehao Li; [2021]
    Keywords : Water resources engineering; Ozonation; NDMA; Wastewater; pharmaceutical; Diclofenac; Ibuprofen; Naproxen; Technology and Engineering;

    Abstract : In people’s modern life, daily usage of artificial compounds such as active pharmaceuticals ingredients (API) is usual. These compounds are likely to end up as micropollutants in the municipal wastewater. Municipal wastewater is the major source of pharmaceuticals in the aquatic environment. READ MORE

  3. 7. The effects of pH and biodegradation on polymer-based granules

    University essay from Lunds universitet/Bioteknik (master)

    Author : Isak Svenningsson; [2021]
    Keywords : polymerteknik; biopolymer; bioteknik; Technology and Engineering; Biology and Life Sciences; Chemistry;

    Abstract : The use of biopolymers instead of traditional fossil fuel based and non-biodegradable polymers is seen as a positive step forward towards a more environmentally friendly future. This project investigates a granule product that is used in a dishwashing system with the aim of gaining knowledge about how it is affected by the storage in between uses and its biodegradability. READ MORE

  4. 8. Greenhoue gas flux over a 50-year post permafrost thaw gradient. Decomposition of soil organic carbon from the Swedish tussock tundra.

    University essay from Göteborgs universitet/Institutionen för geovetenskaper

    Author : Johan Martinelli; [2020-02-11]
    Keywords : greenhouse gas; permafrost;

    Abstract : As the globe is warming the extent of permafrost drastically decreases in the high latitudes. Upon thaw the stored soil organic carbon (SOC) undergoes rapid decomposition and is partly released as trace gases to the atmosphere. READ MORE

  5. 9. Assessment of on-site wastewater treatment systems in unsewered communities in Jordan

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Hani Yahya Ali Shubail; [2020]
    Keywords : Constructed wetland; Decentralized wastewater treatment; Jordan; On-site wastewater treatment system;

    Abstract : Centralized wastewater treatment systems need substantial funds besides high-cost operation and maintenance programs, which could be considered unsuitable for low-income developing countries. As a solution, it becomes the trend towards on-site wastewater treatment systems (OWTs) due to its cost-effectiveness and flexibility of implementation and management. READ MORE

  6. 10. I vilken omfattning sker spannmålskonservering med propionsyra? : en intervjustudie med lantbrukare i Västerbottens län

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Frida Dahlberg; [2020]
    Keywords : spannmålslagring; krossensilering; propionsyra; spannmål; lagerskador; Västerbotten; Norrland;

    Abstract : Spannmål kan konserveras genom att sänka vattenhalten, sänka temperaturen, hindra syretillförsel eller att tillsätta konserveringsmedel. I dag är att sänka vattenhalten, det vill säga torkning den vanligaste metoden men ska spannmålen användas till djurfoder är torkning inget krav utan då finns det olika metoder till att lagra den fuktig. READ MORE