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en förstudie på förväntad kväveavskiljning och lämplig växtlighet
… as a part of a feasibility study on a polishing wetland at Rimbo wastewater plant (wwp) in Norrtälje municipality. The wwp had to decrease the nitrogen discharge to reach the limit 15 mg tot-N/l. The nitrogen in the outlet was mainly in the form of nitrate, hence the wetland …
The effects of Reindeer mechanical damages on the planted regeneration of Pinus sylvestris and Pinus contorta. Semi-domesticated reindeer can damage young trees. In late winter reindeer rub their antlers against young trees. The aim of this study was to quantify those damages …
ett odlingsförsök vid tre rödfyrshögar i Västra Götalands län
… the surrounding environment and humans are exposed to these elements by eating plant products. A cultivation trial was carried out where onion, carrot, and lettuce were grown on three mounds of burnt alun shale and lime in the Falköping area in Sweden. The treatments were burnt …
en översyn av tillämpningen i tre kommuner i Uppsala län
… was made with the purpose to "preserve good conditions for animal and plants on land and in water". The Swedish Environmental Protection Agency (EPA) did an inquiry of the shore protection regulations commissioned by the Government in 2001. The inquiry pointed out that there …
en jämförelse mellan deponering och förbränning med energiutvinning
… waste management in Santiago and to find a suitable place to establish a pilot plant for waste incineration. A facility in the municipality of Quilicura was chosen and an incineration plant was dimensioned based on the energy need of the industry. In the study the environmental …
When a combined heat and power plant produces heat and power it often faces a deficit of heat load during the summer or other periods of time. This heat is often unnecessarily cooled away or the power production has to be reduced or shut off. If it is possible to store heat from …
… smaller amounts are being collected and transported to a central composting plant in Sala. However, a central composting plant in the region of Gästrikland is projected. The objective of this thesis is to evaluate a number of possible methods for composting of organic food …
… the landfill of Fläskebo, Renova AB treats the leachate in a local treatment plant. The treatment consists of a chemical treatment step with chemical precipitation, flocculation, sedimentation and filtration, and a final step with a carbon and peat filter. Renova has to ensure …
… discussed. The study concerns the region of Borås, Sweden, where the waste plant Sobacken has provided a good starting point. On this site, fuel to the Energy-from-Waste plant of Borås Energi is prepared and the biological waste is treated through anaerobic digestion. One …
från oplanerad till planerad
… esthetic expression must be planned. Colors, shapes, choice of material and plants together make up the esthetic expression. It is recommended to include anything you wish to create in the garden. In a raised garden one has to overcome the step to remove trees and shrubs and …
… and a garden on the ground is the limitation of the load of the roofgarden. Plants, paving-material and equipment must be chosen with this in mind. A light and thin layer of soil demands plants with small needs for water and nutrition. The planner also has to consider the local …
Har eleverna tillräcklig kunskap inom dessa områden för att diskutera hur miljöförstörning påverkar vatten och växter?
… if pupils have enough knowledge concerning the water cycle and the life of the plants?, and what kinds of household word they have, to discuss pollution within these areas. I also studied how the pupils? knowledge are holding up against what the course-plans says, since it have …
… in the house is produced by a wind power station from Hannevind AB. An 11 kW plant can produce 20 000 kWh electricity when the wind speed is 6 m/s. At locations where the wind speed is lower than 6 m/s, the plant of course will produce less electricity. In Jönköping, where the …
At the plant of Sandvik do Brasil in São Paulo there is a need for improving the transport of inserts between the plant building and the stock building. The idea is to install a system with an Automated Guided Vehicle (AGV) to take care of this transportation. The purpose of …
… high level of uranium. One of the wells of the Ärla water purification plant, located near Eskilstuna, Sweden, contains water that exceeds the guideline of 15 micrograms per litre. One interesting technique for removing uranium from drinking water is adsorption to reactive …
