Sökning: "Föroreningar"
Visar resultat 1 - 5 av 149 avhandlingar innehållade ordet Föroreningar.
1. Traffic-related pollutants in urban snow : Concentrations, size fractionation, and release with snowmelt
Sammanfattning : In urban areas with seasonal snow, traffic-related pollutants such as solid particles, metals, chloride, organic pollutants, and microplastics (MPs) can be temporarily stored in snowbanks along roads and streets. When the snow melts, it releases the accumulated pollutants and the resulting snowmelt with diverse pollutants may partly infiltrate into the ground, or enter storm sewers and eventually be discharged into, and impact on, the receiving waters. LÄS MER
2. On Gas Contaminants, and Bipolar Plates in Proton Exchange Membrane Fuel Cells
Sammanfattning : The proton exchange membrane (PEM) fuel cell is an electrochemical device that converts chemical energy into electrical energy through two electrocatalytic reactions. The most common catalyst used is platinum on carbon (Pt/C), which has shown the best performance in the fuel cell until now. LÄS MER
3. Concentrate or dilute contaminants? : Strategies for Swedish wood waste
Sammanfattning : This thesis aims to assess the environmental consequences of management strategies for wood waste in Sweden. There is a special focus on separation strategies and in what way such measures influence environmental aspects such as the presence of heavy metals in the waste. LÄS MER
4. Perceptual analysis of odorous irritants in indoor air
Sammanfattning : .... LÄS MER
5. Airborne lipophilic pollutants in pine needles
Sammanfattning : .... LÄS MER