Essays about: "total Phosphorous"

Showing result 16 - 20 of 30 essays containing the words total Phosphorous.

  1. 16. Teffgräs som grovfoder till häst

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

    Author : Jenny Stjärnerud; [2016]
    Keywords : Eragrostis tef; fodervärdering; grovfoder; häst; Moxie Teff; teffgräs;

    Abstract : Teff (Eragrostis tef) som grovfoder till häst har studerats i detta försök. Prov på grönmassan togs i fält samma dag som försöksvärden för odlingsförsöket skördade grödan. Proverna på grönmassan analyserades sedan för torrsubstanshalt och näringsinnehåll. READ MORE

  3. 17. Reconstructing the historic input of mercury in Lake Ekoln : A long-term (millennia) perspective derived from a sediment core

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Clara Rojas Rodríguez; [2015]
    Keywords : mercury; sediments; aquatic ecosystem; Lake Ekoln.;

    Abstract : Anthropogenic activities are often considered to be the main sources of mercury (Hg) found in aquatic systems. The aim of this study was to reconstruct the historic input of Hg to a large lake (Lake Ekoln) situated downstream the City of Uppsala using a dated sediment core. READ MORE

  4. 18. Evaluation of sorption behavior of two reactive filter materials using dual column laboratory investigation.

    University essay from KTH/Mark- och vattenteknik

    Author : Daniel Megersa; [2015]
    Keywords : Onsite waste water treatment; Reactive filter materials; Polonite; Zeolite; Sorption; Ion-exchange; Adsorption; Precipitation; Dual-Column experiment;

    Abstract : Phosphorous and nitrogen are vital elements for the well-being of biological life. Industrial discharges, waste water infiltration systems, conventional waste water collection and treatment systems, agricultural runoffs and landfill leachates had been emitting significant quantity of these nutrients into water bodies. READ MORE

  5. 19. Blackwater sanitization with urea in Sweden : sanitization effect and environmental impact

    University essay from SLU/Dept. of Energy and Technology

    Author : Brenda Vidal Estévez; [2014]
    Keywords : blackwater; ecological sanitation; fertilizers; urea treatment; system assessment;

    Abstract : The increasing global population is placing pressure on the water resources and nutrients needed for food production, while increasing the amount of waste generated and the environmental contamination. Technical solutions and changes in the social perception of the environmental problems are needed to address these problems. READ MORE

  6. 20. Investigation of the treatment process at Kungsberget's wastewater treatment plant under periods of irregular and low loads

    University essay from Institutionen för informationsteknologi

    Author : Alexandra Bercoff; [2013]
    Keywords : SBR; sequence batch reactor; wastewater treatment; Kungsberget; oxygen supply; phosphorous; seasonal load; solids retention time SRT .;

    Abstract : At Kungsberget ski-resort in Gävleborg county all wastewater produced at the facility is treated on-site. The treatment takes place at their own wastewater treatment plant in a so-called Sequence Batch Reactor (SBR), which has been in operation for about a year before this study. READ MORE