Essays about: "coal blend"

Found 3 essays containing the words coal blend.

  1. 1. Alkali Circulation in the Blast Furnace - Process Correlations and Counter Measures

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Joel Carlsson; [2018]
    Keywords : Alkali; coke; experimental blast furnace; top gas; mass spectrometry; multivariate analysis;

    Abstract : In blast furnace ironmaking one major challenge is to control and measure the alkalis circulating and accumulating in the blast furnace (BF). Alkali enter the BF with the primary raw material and will form a cycle where it is first reduced to metal at the lower parts forming gas. READ MORE

  3. 2. Bio-coal pre-treatmeant for maximized addition in briquettes and coke

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Astrid Robles; [2017]
    Keywords : 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;

    Abstract : 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. READ MORE

  4. 3. An Assessment of Biofuels and Synthetic Fuels as Substitutions of Conventional Diesel and Jet Fuels

    University essay from Institutionen för fysik, kemi och biologi

    Author : Rickard Jansson; [2008]
    Keywords : Renewable energy sources; Biodiesel; Fischer-Tropsch Fuels; Oxidative degradation;

    Abstract : Today, a majority of the world’s energy need is supplied through sources that are finite and, at the current usage rates, will be consumed shortly. The high energy demand and pollution problems caused by the widespread use of fossil fuels make it increasingly necessary to develop renewable energy sources of limitless duration with smaller environmental impact than the traditional energy sources. READ MORE