Essays about: "DRI"

Showing result 11 - 15 of 16 essays containing the word DRI.

  1. 11. 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

  3. 12. 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

  4. 13. Shifting the sun : Can coupling Lithium-ion batteries with solar power be economically justified in a Dutch setting?

    University essay from KTH/Energiteknik

    Author : Martin Olsson; Carl Axel Wiborg; [2018]
    Keywords : ESS; BMS; PV; grid applications; energy market; the Netherlands; centralized batteries; battery technologies; battery storage; li-ion;

    Abstract : The rapid development of the lithium-ion battery industry is currently driving down sys-tem costs as a result of maturing processes. Decreasing system costs enables additional revenue streams and applications, provided through li-ion battery storage, to be ex-plored. READ MORE

  5. 14. Model studies on the effects of composition differences of direct reduction pellets and an adaptive addition of slag formers for the EAFprocess

    University essay from KTH/Materialvetenskap

    Author : Björn Keskitalo; [2015]
    Keywords : ;

    Abstract : This work has been conducted to study the effect of different types of iron ore pellets on an EAFbased steel production. The study has focused on how the chemical composition of the raw materialsinfluences the slag amount and as a result the EAF operation. It is also shown that the raw materialselection can be optimized for a better slag practice. READ MORE

  6. 15. Effect of different parameters on the direct reduction processes of natural iron ores from Uganda

    University essay from KTH/Materialvetenskap

    Author : Yunyun Wu; [2012]
    Keywords : Butare iron lump ores; direct reduction; temperature; flow rate; weight; microstructure;

    Abstract : Around 50 million tones hematite iron ores with high iron content at a grade of 68% were found in Muko area of Uganda. Currently, the iron and steel making industry in the country has not yet developed to meet the demand to process the natural ores. READ MORE