104 uppsatser · sida 3 av 7
att gestalta praktfulla parker som kan skötas på ett hållbart sätt
… maintenance. The purpose has also been to see if it's possible to use city wastewater in some extent to assure the plants water supply and to find other means to make it less necessary to use purified water for watering. Recently made studies as well as older ones show how …
ITT Water & Wastewater ställer höga krav på kostnadseffektiv produktion vilket är en starkt bidragande orsak till att företaget är världsledande på sin marknad. För att erhålla kostnadseffektiv produktion har kombinationen människa robot visat sig vara framgångsrik …
… cleaned before it can be released into the receiving body of water. Insuch a wastewater treatment plant, tremendous amounts of energy are expended by the aeration in the biologicalcleaning process. This aeration is necessary to supply the microorganisms that shall decompose …
Möjligheter till inskränkning av verksamhtesområden
This study is focused on small scale water and wastewater handling in Sweden. The study is divided into two major parts; the first describes common methods for water- and wastewater handling and the second part is a case study on three small and expensive systems in Gällivare …
The aim of my thesis is to obtain knowledge of textile wastewater and textile sludge from an environmental perspective, which can be used as a basis for the ”Sweden Textile Water Initiative” guidelines for a sustainable sludge management. In my study I have mainly focused on …
Underlag för internationella riktlinjer inom projektet Sweden Textile Water Initiative
The aim of my thesis is to obtain knowledge of textile wastewater and textile sludge from an environmental perspective, which can be used as a basis for the ”Sweden Textile Water Initiative” guidelines for a sustainable sludge management. In my study I have mainly focused on …
fallstudie i Värmdö kommun
Wastewater handling of private sewage systems has become an all increasing matter. In Stockholm region the 90 000 private sewage systems contribute with larger phosphorus flows to the Baltic Sea than the two biggest sewage plants in the area, Henriksdal and Käppala, contribute …
normalt eller miljöinducerat?
… levels is often used as a biomarker of exposure to estrogenic pollutants. Wastewater from sewage treatment works contains chemicals known as EDCs, and there are evidence of roach (Rutilus rutilus) living in recipients of such wastewater having traits of both gender, i.e. oocytes …
… for 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 …
en förstudie på förväntad kväveavskiljning och lämplig växtlighet
… was made 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 …
… rutiner. För att uppnå bättre konkurrensfördelar på den mogna marknaden inom ?wastewater technology solutions? har man arbetet fram en mer kundfokuserad strategi. Den komplexa situationen inom företaget med decentraliserade dotterbolag världen över komplicerar implementeringen …
In the next few years the pollutants loading at the Slottshagen wastewater treatment plant in Norrköping is going to increase due to the reason that one of the waste water treatment plant in the district will be shut down.A survey of how these different pollutants are divided in …
… was a labmodel built of the two first steps from Gruvön papper mill. Wastewater was collected from Gruvön papper mill. The wastewater was dosed with salts of nitrate and nitrite and pumped into the labmodel. The results showed that nitrate and nitrite can be reduced in content …
förslag till anläggning för ekologisk hantering samt metodöversikt
… and more in the last decades. Older sewer systems combine storm water with wastewater for treatment in purification plants. That way pollution is taken care of; but intensive waterflow decreases the puification effect and pipe overflows can occur in lowland areas. Since the …
ITT Water & Wastewater (före detta ITT Flygt) tittar på att eventuellt genomföra en förbättring av ytbehandlingen av deras pumpar för att eliminera de rostangrepp pumparna utsätts för idag. Examensarbetets uppgift är här att analysera och beskriva miljöeffekterna av de nya …
