Sökning: "bio-coal"

Hittade 4 uppsatser innehållade ordet bio-coal.

  1. 1. Negative Emission from Electric Arc Furnace using a Combination of Carbon capture and Bio-coal

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Abhijith Namboodiri Kapothanillath; [2023]
    Nyckelord :EAF; Off-gas handling; CCS; Calcium Looping CaL ; Post-combustion; Waste heat recovery; Bio-coal; Negative emissions; Techno-economic analysis; EAF; Avgasrening; CCS; Calcium Looping CaL ; Efterförbränning; Återvinning av spillvärme; Biokol; Negativa utsläpp; Teknisk-ekonomisk analys;

    Sammanfattning : Steel is one of the most essential metals in the world, and it plays a vital role in various industries. The growing demand for steel has resulted in increased CO2 emissions, with the steel industry contributing to approximately 7% of global emissions of carbon dioxide. LÄS MER

  3. 2. The influence of particle size distribution on bio-coal gasification rate as related to packed beds of particles

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Författare :Markus Bäckebo; [2020]
    Nyckelord :Bio-coal; Particle size distributions; Reaction rate; Gasification;

    Sammanfattning : This thesis is a part of a collaboration between Höganäs AB and Luleå University of Technology, aiming at replacing fossil process coal with bio-coal in their sponge iron process. The difference in gasification reactivity, i.e. LÄS MER

  4. 3. Influence of bio-coal ash respectively coal structure on coke production and coke quality

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Industriell miljö- och processteknik

    Författare :Frida Bäck; [2019]
    Nyckelord :Bio-coke; bio-coal; leaching; coke quality; carbon structures; torrefied sawdust;

    Sammanfattning : In recent years, the consequences of global warming have increased the discussion about the climate impact caused by humans and the fossil emissions. Sweden has decided to reduce the negative climate impact with a zero vision for the fossil carbon dioxide emissions in year 2045. LÄS MER

  5. 4. Bio-coal pre-treatmeant for maximized addition in briquettes and coke

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Industriell miljö- och processteknik

    Författare :Astrid Robles; [2017]
    Nyckelord :Blast furnace process; coal blend; sawdust; bio-coal; reduction; coke yield; reactivity behavior; self-reducing briquettes; iron oxides.; Masugnsprocess; kolblandning; bio-koks; sågspån; reduktion; järnmalm; koksutbyte; självreducerande briquetter; järnoxider;

    Sammanfattning : Carbon dioxide emissions to the atmosphere today cause problems around the world. In Sweden, the steel production contributes significantly to carbon dioxide emissions. The steel industry challenge is to improve the metallurgical processes to decrease the carbon dioxide emissions. One way to reduce the emissions is to use renewable carbon sources. LÄS MER