Essays about: "avlopp"

Showing result 16 - 20 of 58 essays containing the word avlopp.

  1. 16. Evaluation of sustainability criteria for small-scale wastewater treatment facilities

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Edvard Nordenskjöld; [2017]
    Keywords : On-site sewage facilities; phosphorus; micropollutants; multi-criteria analysis; precipitation; adsorption; full-scale; wastewater treatment; Enskilda avlopp; fosfor; mikroföroreningar; multi-kriterie analys; utfällning; adsorption; fullskala; avloppsrening;

    Abstract : There are about 700,000 on-site sewage facilities (OSSFs) in Sweden, almost a quarter of which amount only to septic tanks for sludge collection and removal, with no form of post-treatment. All these OSSFs contribute about 10 % of the total anthropogenic phosphorus (P) load from Swedish coasts to the Baltic Sea. READ MORE

  3. 17. 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. 18. Landscape factors related to performance of in-situ sensors for prediction of total phosphorus : a statistical analysis of data from 194 streams in Sweden

    University essay from SLU/Dept. of Aquatic Sciences and Assessment

    Author : Cham Hoang; [2017]
    Keywords : surface water monitoring; surrogate parameters; total Phosphorous; turbidity; catchment; land-use; soil type;

    Abstract : Accurate monitoring data of phosphorus concentrations in the water will benefit the evaluation of measures taken to reduce the problems of eutrophication. Today, the quantification of phosphorus loads from diffuse sources involves large uncertainties. READ MORE

  5. 19. Stabilization of urine by nitrification in a Moving Bed Biofilm Reactor

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Marianne Olofsson; [2016]
    Keywords : urine stabilization; urine; source separation; nitrogen recovery; nitrification; MBBR; city development; moving bed biofilm reactor; water engineering; environmental engineering; vattenförsörjningsteknik; avloppsteknik; Technology and Engineering;

    Abstract : Municipal wastewater contains a lot of compounds that could be seen as resources. Nitrogen, phosphorus and potassium are common ingredients in fertilizers and can all be found in wastewater. Nowadays only a small part of the nutrients found in wastewater are used on arable land. READ MORE

  6. 20. Potential for using high frequency turbidity as a proxy for total phosphorus in Sävjaån

    University essay from SLU/Dept. of Aquatic Sciences and Assessment

    Author : Emma Lannergård; [2016]
    Keywords : surface water quality; high frequency monitoring; continuous monitoring; turbidity; in situ sensor; surrogate measurements; total suspended solids; total phosphorus; phosphorus; phosphorus load; load estimation;

    Abstract : Transport of particles carrying nutrients and contaminants from land to sea is a challenge to monitor due to the high temporal variability in concentrations. Phosphorus is a particle associated nutrient, largely affecting the state of waters due to its effects on eutrophication. READ MORE