Essays about: "Iron ore"

Showing result 21 - 25 of 112 essays containing the words Iron ore.

  1. 21. Improving Availability of the Pelletization Process

    University essay from Luleå tekniska universitet/Institutionen för ekonomi, teknik, konst och samhälle

    Author : Emil Andreasson; Pontus Åhman; [2022]
    Keywords : Availability; Predictive Maintenance; Pelletization; Statistical Process Control; Refractory Material; DMAIC;

    Abstract : The Grate-Kiln-Cooler process is a commonly used method of sintering during iron ore pelletization, where the pellets are formed, dried, and hardened. The pellets are oxidized in the rotating Kiln, turning magnetite (Fe3O4) to hematite (Fe2O3), making the pellets attain suitable metallurgical attributes for further processing. READ MORE

  3. 22. Extraction of Backfilled Tailings in the Dannemora Mine – Economic Potential and Rock Stability Assessment

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : John Winlund; [2022]
    Keywords : backfilled tailings; Dannemora mine; iron ore; rock stability; stopes; återfylld anrikningssand; Dannemoragruvan; järnmalm; bergstabilitet; öppna brytningsrum;

    Abstract : The cut-off grade determines what rock mass are economic to mine. At the Dannemora mine, in eastern Bergslagen, Sweden, previously processed ore generated tailings (enrichment sand) with an iron content of 21-22 % that was backfilled into large open bodies (stopes) in the mine between 2013-2015. READ MORE

  4. 23. Integration of SMRs with Steel Industry

    University essay from Lunds universitet/Institutionen för energivetenskaper

    Author : David Carlsén; [2022]
    Keywords : Small Modular Reactor; SMR; Xe-100; Pink Hydrogen; Electrolysis; SOEC; Steel; Iron; DRI; DRP; Energy; Industry; Transition; Technology and Engineering; Chemistry; Earth and Environmental Sciences;

    Abstract : The steel industry is with its high emissions an important sector to transform from fossil-fueled to fossil-free. In recent years, the technology development has accelerated quickly regarding iron ore reduction using hydrogen produced from electrolysis within the EL-DRP-EAF steel production route. READ MORE

  5. 24. A Minefield in Sápmi: A text analysis regarding Kallak K nr 1

    University essay from Lunds universitet/Statsvetenskapliga institutionen

    Author : Ida Fahlstedt; [2022]
    Keywords : Sápmi; Sami people; mines; mining industry; government of Sweden; cultural violence; structural violence; direct violence; indigenous rights; Social Sciences; Law and Political Science;

    Abstract : This thesis is a text analysis regarding the processing concession of Kallak K nr 1, an iron ore deposit located in Sweden outside of Jokkmokk. On March 22, 2022, processing concession was granted the Jokkmokk Iron Mines AB. READ MORE

  6. 25. Reduction of iron ore fines in fluidized beds

    University essay from KTH/Materialvetenskap

    Author : Maj-Britt Kimberly Galdo Mendez; Erika Vester; [2022]
    Keywords : ;

    Abstract : Reducing CO2 emissions has become very important in later years. The steel and iron industry are among the three biggest producers of carbon dioxide. This pressures the industry to reduce CO2 emissions and develop new technologies to achieve it. READ MORE