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Found 4 essays matching the above criteria.
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1. Evaluation of per and polyfluoroalkyl substances (PFASs) and extractable organic fluorine (EOF) in composite wastewater samples from a hazardous waste management facility
University essay from Örebro universitet/Institutionen för naturvetenskap och teknikAbstract : Per- and polyfluoroalkyl substances (PFASs) have been used broadly in industries, firefighting foams, surfactant materials and consumer products. These compounds are very resistant to degradation in the environment and high exposure to these compounds may cause health issues such as cancer and immunosuppression. READ MORE
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2. OIL SHALE ASH UTILIZATION IN INDUSTRIAL PROCESSES AS AN ALTERNATIVE RAW MATERIAL
University essay from KTH/Industriell ekologiAbstract : Oil shale is a fine-grained sedimentary rock with the potential to yield significant amounts of oil and combustible gas when retorted. Oil shale deposits have been found on almost every continent, but only Estonia, who has the 8th largest oil shale deposit in the world has continuously utilized oil shale in large scale operations. READ MORE
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3. Evaluation of bokashi fermentation leachate as a biofertilizer in urban horticulture : inorganic plant nutrient content in bokashi leachate and its effect as a fertilizer on pak choi
University essay from SLU/Dept. of Plant Breeding (from 130101)Abstract : The leachate obtained from bokashi fermentation household vessels, are among proponents of the bokashi method believed to be useful as a biofertilizer. The bokashi fermentation method does not lead to foul odours as it is anaerobically fermented in air-tight bins with lactic acid bacteria, among other groups of microorganisms, and is therefore interesting in the light of an increasing interest of urban farming and unexploited resources of plant mineral nutrients within the urban area. READ MORE
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4. Mapping leachates and subsurface structures using different geophysical methods.
University essay from KTH/Mark- och vattenteknikAbstract : The enrichment of ore produces large amounts of sulfur and metal-rich residual waste called tailings, which need to be deposited and stored for a long time. When the tailing is oxidized, large amounts of protons and metals are dissolved and diffuse to the groundwater. READ MORE
