Essays about: "DRI"

Showing result 1 - 5 of 9 essays containing the word DRI.

  1. 1. Process Development in Hydrogen Production

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Axel Lindwall; [2022]
    Keywords : Design Research Methodology; Requirements; Modularization; Modularisation; Process Development; Hydrogen; DRI; H2GS; H2 Green Steel; Electrolyser; Electrolyzer; Electrolysis;

    Abstract : H2 Green Steel AB was founded in 2020 to build a large-scale green steel factory in Boden, Norrbotten, Sweden. The factory consists of green hydrogen production, iron production and steel production. In 2030, the factory’s annual steel production will be 5 million tonnes annually. READ MORE

  2. 2. Rainwater Infiltration Model of the Chocaya Basin using Hydrus-1D

    University essay from Lunds universitet/Teknisk geologi; Lunds universitet/Väg- och vattenbyggnad (CI)

    Author : Alexander Bergman; Mire Persmark; [2020]
    Keywords : Rainwater Infiltration; Alluvial Plain; Chocaya Basin; Hydraulic Conductivity; Double Ring Infiltrometer DRI ; Hydrus-1D; Electrical Resistivity Tomography ERT ; Earth and Environmental Sciences;

    Abstract : The objective of this study was to assess the rainwater infiltration process in the unsaturated zone in an alluvial plain. Particularly, this study is focused on the Chocaya basin in central Bolivia. READ MORE

  3. 3. A literature study on measurement methods for calculating the FeO activity in slag

    University essay from KTH/Materialvetenskap

    Author : Rebecca Rosén; [2020]
    Keywords : ;

    Abstract : During the time we live in, climate change is more important than ever. HYBRIT, formed bySSAB, LKAB, and Vattenfall, is an initiative set out to make the steel production fossil free, by developing a novel process that produce direct reduced iron (DRI) using hydrogen as reagent. Electric arc furnaces (EAF) will then be employed to melt the DRI. READ MORE

  4. 4. Usage of Natural Gas in Modern Steel-making : A Financial and Environmental Evaluation of Available Steel-making Technology in Sweden

    University essay from KTH/Materialvetenskap

    Author : William Wadbrant; [2020]
    Keywords : Direct Reduction; Iron sponge; Natural gas; LNG; DRI; Midrex; HYL; Electrical Arc Furnace; Blast furnace; Oxygen Converter; Capital expenditure; Modern Steelmaking; HYBRIT; Direkt reduktion; Järnsvamp; Naturgas; LNG; Hållbarhet; Koldioxidutsläpp; Växthusgaser; Midrex; HYL; Ljusbågsugn; Masugn; LD-Konverter; Kapital investering; Modern Ståltillverkning; HYBRIT;

    Abstract : A method of producing steel that is not used in Sweden today is direct reduction using natural gas, a method which could has enormous potential in the future of steelmaking. Historically, steelmaking prioritized productivity and profitability. READ MORE

  5. 5. Life cycle assessment of coal based direct-reduced iron production in India

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : SABARISH ELANGO; [2020]
    Keywords : ;

    Abstract : The production of iron through direct reduction (Direct-Reduced Iron; DRI) involves the use of natural gas or coal to reduce iron ore to iron through carbothermic reactions at a temperature below its melting point, negating the need for a blast furnace as otherwise required. In India, around 25% of iron is produced through direct reduction. READ MORE