Resultados de búsqueda - "Heavy metal"

  1. Optimerad hygienisering vid kompostering av avloppsslam por Dunder, Linda

    Publicado 2013
    “…An untapped resource such as sewage sludge that is rich in nutrients and humus-forming materials could replace parts of the commercial fertilizers used in Sweden today. owever, sewage sludge contains undesirable substances such as heavy metals and drug residues, and pathogenic microorganisms. …”
    M2
  2. Assay of nitrification potentials in sewage sludge por Jöngren, Caroline

    Publicado 2016
    “…Application to arable land is though controversial as SS can contain contains such as human pathogens, heavy metals and xenobiotics. Post-treatment processes of SS such as long term storage which can reduce pathogenic bacteria before application to soil implicate a risk of nitrogen (N) losses via emissions of the greenhouse gas nitrous oxide (N2O) and leaching of nitrate (NO3-). …”
    Enlace del recurso
    Second cycle, A2E
  3. Påverkan på Valboåsen från verksamheter inom Svedens industriområde samt närliggande områden : hot mot grundvattnets kvalitet och kvantitet? por Hanson, Patrik

    Publicado 2015
    “…The pollutants that has been used in the greatest quantities of Svedens industrial area is heavy metals, solvents and oils. The risks of spreading to the esker groundwater are large since the industrial area is right next to and also on top of Valboåsen and that river Gavleån goes along with the northern parts of the esker. …”
    M2
  4. Potential to inactivate microorganisms in sewage sludge by ammonia treatment : different temperatures and urea additions por Wirell, Fredrik

    Publicado 2015
    “…The dispersion of heavy metals, organic pollutants and pathogens are the main risk factors generally considered. …”
    H2
  5. Kvalitet i brödvete por Agell, Fredrik

    Publicado 2004
    “…Cadmium is one of the most serious heavy metals in the crop grains, because of the relatively high amounts taken-up. …”
    Enlace del recurso
    Otro
  6. Landvinning por Fogelqvist, Simon

    Publicado 2008
    “…Due to it's content of sulphide minerals, predominantly pyrite (FeS2), there is a risk of oxidation and formation of acid water containing heavy metals, known as Acid Rock Drainage (ARD). To prevent the process of oxidation, the tailings and waste rock have to be reclaimed. …”
    Enlace del recurso
    Otro

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