169 uppsatser · sida 7 av 12
… the availability of methods and that are used in Sweden for establishing a water balance for a landfill. The identification work showed that the landfill consists mainly of household-, construction- and industrial waste, retted sludge from sewage treatment plants and soil, which …
… have been includedin the survey, in which the quantity of chemicals, water and energy use and carbonemissions were calculated per work wear trousers of the minimum order.Compilation of results indicates the use of 2,5 kg chemicals, 10,3 liters water,756Wh energy and 0,4 kg …
Studie av olika metoder för att reducera bakterier
… this causes unnecessary energy waste and emissions of chemicals in the washwater. To solve the problem in a more environmentally-friendly way by directly attacking the bacteria with an appropriate bacterialreductionmethod can therefore be an attractive feature in a dishwasher …
… span of the material when in service. One method is to decrease the amount of water in the material by impregnation with an hydrophobic oil. The Linotech method which uses only pure linseed oil is one such possible method. The aim of this study was to investigate the possibility …
… of an infusion of hypertonic saline solution (HSS) in combination with an oral waterload on cows suffering from rightsided displacement of the abomasum (RDA). Six dairy cows were treated with 7,2% HSS in a dosis of 5 ml per kg bodyweight. They also received an oral waterload of …
en studie i labskala
Käppala wastewater treatment plant situated on the island of Lidingö northeast of Stockholm is running a project during 2004 and 2005 with the purpose to map out the capacity of anaerobic digestion in the digesters that treat primary and excess sludge. The purpose of this thesis …
… at the municipal sewage treatment plants, it is important to purify the wastewater at the source. One such source is the wheel washers available in many tire garages which are used to wash the wheels on our vehicles when we change between summer and winter tires. It is important …
… cultivation of plants and aquatic animals, fish or shellfish, in recirculating water. The plants feed on the nutritious effluents from the fish tank and bacteria converts ammonia from the fish tank into nitrate that is absorbed by the plants. The plants receive nutrition and the …
En studie gällande utvärdering av omrörningssystem vid Ekeby reningsverk
… to vehicle gas. Eskilstuna Energy & Environment AB has four digesters at Ekeby water sewage treatment plant, Eskilstuna. One of the biogas reactor (RK4) is equipped with a jet-mixing system while the remaining digester uses top-mixing. The mixing system is an important parameter …
Kartläggning av inkommande avloppsvatten och optimering av driftparametrar
Hallsta paper mill uses large amounts of water during the pulp and paper making processes. The wastewater is treated in two separate activated sludge processes referred to as BIO 1 and BIO 2. The main aim is to reduce the organic substance content, measured as COD (Chemical …
en retrospektiv studie
… 64,6 % of the cats. Some other important factors seemed to be type of food and water intake. Treatment is symptomatic and there are many alternatives available, but few controlled clinical studies have been done. The cat needs to have a calm environment to reduce stress. It is …
… sale. The different bleaching procedures affect the characteristic of the wastewater and thus the effectiveness of the biological treatment plant. In the model that was developed the COD in the wastewater was divided into five different COD-fractions: soluble easily degradable …
… area for biological growth. At the time of the project the biological wastewater treatment plant consisted of a flow equalization facility and two following parallel biological processes; a biological reactor with moving bed carriers and a tower trickling filter. The aim of this …
… The dogs went through 2-4 cycles of paclitaxel treatment, they received a new water-soluble formula named Paccal vet, at dosages of 100-150mg/m2. Treatment results and adverse effects are listed for each dog in table 1. Gastrointestinal side effects are listed once per dog, bone …
… of the free energy. In this report, a study on the possibility of constructing water repellent paper surfaces with a combination of treatment with octadecyltrichlorosilane and topography changes, is included.
