Sökning: "rening"

Visar resultat 1 - 5 av 42 avhandlingar innehållade ordet rening.

  1. 1. Floating treatment wetlands for stormwater management : Plant species selection and influence of external factors for heavy metal and chloride removal in a cold climate

    Författare :Maria Schück; Maria Greger; Hans Brix; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Floating treatment wetlands; Phytodesalination; Rhizofiltration; Phytoremediation; Stormwater; Heavy metals; Chloride; Plant traits; Carex riparia; Carex pseudocyperus; Phalaris arundinacea; Flytande våtmarker; dagvatten; tungmetaller; klorid; fytoremediering; slokstarr; rörflen; jättestarr; växtfysiologi; Plant Physiology;

    Sammanfattning : Stormwater, which consists of rainwater and snowmelt, often contains pollutants from vehicle traffic, building materials, and industries. These pollutants include chloride and heavy metals, which can cause several environmental issues, such as being toxic to biota at elevated concentrations. LÄS MER

  3. 2. Treatment of arsenic contaminated drinking water from the sources around the gold mining areas of Geita and Mara, Tanzania : Removal efficiency of locally available materials, bauxite, gypsum and magnesite

    Författare :Regina Filemon Irunde; Prosun Bhattacharya; Felix Mtalo; Sudip Chakraborty; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Arsenic; bauxite; gypsum; magnesite; natural water; removal; Visual MINTEQ; kinetic reaction; isotherms; Freundlich; Langmuir; Arseniki; bauxite; gypsum; magnesite; maji ya asili; kuondolewa; Visual MINTEQ; misuguano ya kinetic; isotherm; Freundlich; Langmuir; Arsenik; bauxit; gips; magnesit; naturligt vatten; rening; Visual MINTEQ; kinetisk reaktion; isotermer; Freundlich; Langmuir; Mark- och vattenteknik; Land and Water Resources Engineering;

    Sammanfattning : In recent years, high arsenic (As) levels of about 300 µg/L have been reported around the gold mining areas of Geita and Mara regions within the Lake Victoria basin (LVB) in Tanzania. During a sampling campaign at Geita and Mara, the groundwater and surface water samples revealed the presence of high As concentrations as well as Fe and sulfide. LÄS MER

  4. 3. Kommunerna och kretsloppet : avloppssektorns förändring från rening till resurshantering

    Författare :Henriette Söderberg; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; INTERDISCIPLINARY RESEARCH AREAS; TVÄRVETENSKAPLIGA FORSKNINGSOMRÅDEN;

    Sammanfattning : "The recycling society" and "the sustainable society" are concepts used by the Swedish government to express visions for the future, in which one goal is to find more appropriate ways of managing resources. The government has appointed the municipalities to be the prime movers in the process of change which will be necessary to obtain a sustainable development. LÄS MER

  5. 4. Removal of organic micropollutantns from wastewater in a Swedish context

    Författare :Maja Ekblad; Avdelningen för kemiteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; wastewater treament; ozone; ozonation; pharmaceutical residues; Organic micropollutants; driving forces; drivers; avloppsvattenrening; ozon; ozonering; läkemedelsrester; organiska mikroföroreningar; drivkrafter;

    Sammanfattning : Due to their potential environmental risk, the abatement of organic micropollutants from wastewater has gained increasing attention in recent years. This thesis evaluates the use of ozone in Swedish wastewater treatment plants (WWTPs) and the incentives for full-scale implementation of organic micropollutant removal. LÄS MER

  7. 5. Operans dubbla tidsförlopp : Musikdramaturgin i bilradiooperan Själens rening genom lek och skoj

    Författare :Hans Gefors; Musikhögskolan i Malmö; []
    Nyckelord :HUMANIORA; HUMANITIES; Opera; musical dramaturgy; duration; story; real presence; aria; affect; music to action; rhythmical continuity; timing; beat; artistic research; musikdramaturgi; fortvaro; absolut närvaro; affekt; musik till handling; rytmisk kontinuitet; tajming; steg; konstnärlig forskning; förlopp;

    Sammanfattning : Title: The Twofold Rhythm of Duration in Opera. The Musical Dramaturgy of the Car Radio Opera "Cleansing of the Soul through Fun and Games". This thesis focuses on musical dramaturgy in operas with a story. I believe my own music is better when I write operas than instrumental music. LÄS MER