Search for dissertations about: "Gunnel Dalhammar"
Showing result 6 - 7 of 7 swedish dissertations containing the words Gunnel Dalhammar.
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6. Developing and optimizing processes for biological nitrogen removal from tannery wastewaters in Ethiopia
Abstract : In Ethiopia industrial effluents containing high contents of organic matter, nitrogen and heavy metals are discharged into inland surface waters with little or no pre-treatment. Significant pollution concerns related to these effluents include dissolved oxygen depletion, toxicity and eutrophication of the receiving waters. READ MORE
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7. Treatment of domestic wastewater using microbiological processes and hydroponics in Sweden
Abstract : Conventional end-of-pipe solutions for wastewater treatment have been criticized from a sustainable view-point, in particular regarding recycling of nutrients. The integration of hydroponic cultivation into a wastewater treatment system has been proposed as an ecological alternative, where nutrients can be removed from the wastewater through plant uptake; however, cultivation of plants in a temperate climate, such as Sweden, implies that additional energy is needed during the colder and darker period. READ MORE