Essays about: "pig-iron"

Showing result 1 - 5 of 6 essays containing the word pig-iron.

  1. 1. The effects of sector free allowances & emissions on stock returns : A study on firms which partake in the EU emissions trading system

    University essay from Linnéuniversitetet/Institutionen för nationalekonomi och statistik (NS)

    Author : Mario Milic; Noah Stjernberg; [2023]
    Keywords : Stock returns; EU ETS; CO2 Emissions; Financial performance; Free allowances;

    Abstract : This study aims to investigate whether sectorial free allowances and sector emissions have any effect on a firm's stock return under the newly introduced EU ETS (Emission trading system). In doing so, the data have been structured as panel data and are gathered for a sample period of 10 years measuring from 2012-2021, looking at 6 sectors (Aviation, Combustion of fuels, refining of mineral oil, production of cardboard/ paper, production of pig iron and steel and production of bulk chemicals). 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. Static Watt Compensation System Design: Modeling, Control Strategies, and Component Dimensioning

    University essay from KTH/Skolan för elektro- och systemteknik (EES)

    Author : Carlos José Arias Bandry; [2016]
    Keywords : ;

    Abstract : Stainless steel is a widely used material, from basic household appliances to construction material in large buildings. Nickel is one of the components required to produce stainless steel, and one of its production sources is nickel pig iron. READ MORE

  5. 4. Optimisation of the bottom stirring praxis in a LD-LBE converter : Investigations and tests on phosphorous removal, nitrogen as stirring gas, and slopping

    University essay from Uppsala universitet/Oorganisk kemi

    Author : José Aguirre Castillo; [2015]
    Keywords : LD; BOS; Bottom Stirring; Phosphorous; Steel making; Nitrogen;

    Abstract : The LD-process, called after the cities Linz and Donawitz, is used to convert pig iron into crude steel by blowing oxygen on top of the pig iron. A LD-LBE converter, Lance Bubbling Equilibrium, also stirs the melt trough a bottom stirring system. READ MORE

  6. 5. IRONARC; a New Method for Energy Efficient Production of Iron Using Plasma Generators

    University essay from KTH/Materialvetenskap

    Author : Kristofer Bölke; [2015]
    Keywords : CFD; IRONARC; penetration depth; pig iron production;

    Abstract : The most widely used process to reduce iron ore and to produce pig iron is the blast furnace. The blast furnace is a large source of CO2 emissions since it is a coal based process and due to that the main energy source and reducing agent is coke, it is difficult to reduce these further. READ MORE