Essays about: "Nitrogen pollution"
Showing result 1 - 5 of 80 essays containing the words Nitrogen pollution.
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1. Air quality around preschools in Gothenburg: an evaluation of measurement methods
University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskapAbstract : In this study the air quality around four different preschools, chosen to represent different local traffic environments, was measured and the measurement methods used were evaluated. The aim was to compare the information retrieved using different methods, discuss the possible applications of them and finally see if more specific activities, in this case pick-ups and drop-offs, could be seen in the data retrieved. READ MORE
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2. Towards Water Resource Recovery Facilities : Environmentally Extended Techno-Economic Assessment of Emerging Sewage Sludge Management Technologies in Sweden
University essay from KTH/Hållbar utveckling, miljövetenskap och teknikAbstract : Municipal sewage sludge (MSS) management varies widely between countries and legislative regimes. Within the European directive for sewage treatment France applies over half of MSS to arable land, while The Netherlands has banned the practice (Kelessidis et al, 2012). READ MORE
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3. Kväve och Mikroplast i anlagda våtmarker
University essay from SLU/Dept. of People and SocietyAbstract : De anlagda våtmarkerna genomgår en internationell kris, detta bör tas på allvar annars blir konsekvenserna förödande. De anlagda våtmarkernas syfte är bl. a öka biodiversitet och få en varierande landskap samt kunna kontrollera vattennivåer, föroreningar och näring. Våtmarker fungerar som naturliga reningsverk i naturen. READ MORE
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4. IMPLEMENTATION OF NITROGEN RECOVERY AT WASTEWATER TREATMENT PLANTS TO COMPLEMENT ARTIFICIAL FERTILISER PRODUCTION : An investigation of the nitrogen recovery potential, energy consumption and environmental impacts at Kungsängens wastewater treatment plant in Västerås, Sweden
University essay from Mälardalens universitet/Akademin för ekonomi, samhälle och teknikAbstract : As Kungsängens wastewater treatment plant is considering a move, it opens up a possibility to implement nitrogen recovery technologies that comply with current and future legislative requirements. Nitrogen recovery offers simultaneous treatment of wastewater and collection of concentrated ammonia products for fertiliser production. READ MORE
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5. TRACKING WASTEWATER EMISSIONS IN RIVERS ENTERING GULF OF BOTHNIA COAST
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : The Gulf of Bothnia consists of two sub-basins in the northern Baltic Sea: the Bothnian Sea (salinity 4-5‰) and Bothnian Bay (salinity 2-3‰). Changing nutrient concentrations and signs of eutrophication has recently been observed in the Gulf of Bothnia. READ MORE