Sökning: "CO2 separation"

Visar resultat 1 - 5 av 39 uppsatser innehållade orden CO2 separation.

1. 1. Optimization of alloys recovery in steel scrap sorting : Technological, economic and environmental considerations for a better chromium, nickel and molybdenum recovery in steel scrap

   Master-uppsats, KTH/Materialvetenskap

   Författare :Simone Quintè; [2023]
   Nyckelord :Steel scrap sorting; stainless steel; Chromium; Nickel; Molybdenum; alloys recovery; Laser Induced Breakdown Spectroscopy; revenue modeling; CO2 emissions modeling; Stålskrot Sortering; rostfritt stål; Krom; Nickel; Molybden; återvinning av legeringar; Laserinducerad nedbrytningsspektroskopi; intäktsmodellering; Modellering av CO2-utsläpp;

   Sammanfattning : Today’s steelmaking industry is highly dependent on steel scrap supply. In order to reduce the greenhouse gas emissions (GHGs) deriving from the steel industry, it is of utmost importance to ensure that high percentages of steel scrap are recycled, reducing the reliance on the traditional ore-based steelmaking, which is significantly more environmentally impactful. LÄS MER

3. 2. Analysis on copper, lead and tin removal in steel scrap sorting : Technologies involved, environmental considerations and economic aspects

   Master-uppsats, KTH/Materialvetenskap

   Författare :Giada Cavaliere; [2023]
   Nyckelord :Copper; Tin; Lead; Steel Scrap Sorting; Ballistic Separation; Dilution; Revenue Modelling; CO2 emissions Modelling; Tenn; Bly; Sortering av stålskrot; Ballistisk separation; Utspädning; lntäktsmodellering; CO2-utsläppsmodellering;

   Sammanfattning : With the urgency of cutting down CO2 emissions to reach climate neutrality by 2050, decarbonization of the steel industry is on the European Commission's agenda. Steelmaking accounts for 10 % of anthropogenic CO2 emissions and it is one of the most challenging sectors to decarbonize. LÄS MER

4. 3. Pros and Cons of Using Large Concrete Blocks in an Office Building Structure : Comfort, Stability, Sustainability

   Master-uppsats, Linnéuniversitetet/Institutionen för byggteknik (BY)

   Författare :Shwan Baban; Asliyalfani Abolfazl; [2023]
   Nyckelord :Concrete blocks; C3C blocks; FE models; life cycle analysis; mechanical connections; CO2 emissions.;

   Sammanfattning : In 2019, the cement industry used 280 million tons of oil equivalent, contributing to 7% of totalindustrial energy consumption. This resulted in 2.4 billion tons of CO2 emissions, constituting26% of the industrial sector’s CO2 output and 7% of global energy-related emissions. LÄS MER

5. 4. Separation and acidification of digested animal manure : properties of the future organic fertilizers

   Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Soil and Environment

   Författare :Marie Björs; [2023]
   Nyckelord :Digestate; Eutrophication; Farmers’ survey; Plasma activation; Screw press;

   Sammanfattning : Agricultural areas with a high animal density contribute to eutrophication in waterbodies and seas worldwide due to accumulation of nutrients around animal farms. Animal manure is heavy and bulky, thus unpractical to transport long distances and new techniques have been developed to refine animal manure and make it easier to transport. LÄS MER

7. 5. Biochar from separated digestate and pig manure as soil amendment

   Uppsats för yrkesexamina på avancerad nivå, SLU/Dept. of Soil and Environment

   Författare :Lovisa Nissen; [2022]
   Nyckelord :separation; screw press; incubation study; CO2 emission; N mineralization;

   Sammanfattning : The situation in and around the Baltic Sea, with large areas with hypoxia in the sea and areas in the watershed with a high concentration of animal farms, has led to a need to increase the nutrient recycling of animal manure. High levels of phosphorus (P) in the soil lead to leaching, and by reducing the P-level in organic fertilizers, this leaching can be reduced. LÄS MER