Sökning: "carbon filter for air"
Visar resultat 1 - 5 av 13 uppsatser innehållade orden carbon filter for air.
1. Yearly distribution and composition of per- and polyfluoroalkyl substances (PFAS) in Luleå wastewater treatment plant
Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserSammanfattning : PFAS (per- and polyfluoroalkyl substances) are a large group of substances that are used in a large variety of products because of their unique water and dirt repellent properties. The substances are extremely persistent and can spread over large distances in groundwater, surface water, and in the air, which makes them an environmental and a health concern. LÄS MER
2. The Potential of Dissolved Air Flotation for PFAS Reduction in Norrvatten's Future Waterworks
Master-uppsats, KTH/KemiteknikSammanfattning : Norrvatten är en av Sveriges största dricksvattenproducenter. Med ett ökande behov av en större produktionskapacitet och nya regleringar, planerar dem att förbättra sin reningsprocess. En aspekt som kräver omfattande undersökning är val av reningsmetod för att nå den nya gränsen från Livsmedelsverket för fyra PFAS kemikalier. LÄS MER
3. Viability, feasibility and Sustainability of emission reducing solutions for Nordic wood stoves: Testing and evaluation : Degree project for Master in mechanical engineering with focus on innovative and sustainable product development
Uppsats för yrkesexamina på avancerad nivå, Blekinge Tekniska Högskola/Institutionen för maskinteknikSammanfattning : As of 2022 the European Union introduced a new Eco Design legislation which states emission limits for stoves sold in the EU. There are already requirements on emissions, but as both legislation are to be harder and there is a higher interest in Eco friendly products, there is an interest to study different ways to reduce the emissions from wood stoves. LÄS MER
4. Fractionation of Wheat Bran for Utilisation in Biorefinery
Master-uppsats, Lunds universitet/Kemiteknik (CI)Sammanfattning : Wheat bran is a by-product from the production of wheat flour. Nowadays wheat bran is mostly used as feed for animals, in the food and baking industry or it is simply burned in open air. LÄS MER
5. Rening av odörer från septiktank
M1-uppsats, Mälardalens högskola/Akademin för innovation, design och teknikSammanfattning : This report is a result of a thesis made at Mälardalen University in product development and construction, PPU305. The project was carried out during spring and summer of 2020. The client of the thesis is AB Durgo and the aim for the project was to develop a concept proposal that solves the problem of odor smell flowing out of a septic tank. LÄS MER