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Title: THE INFLUENCE OF BIOMASS ON ECOLOGICAL ASPECTS OF FERRIFERROUS AGGLOMERATE PRODUCTION
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THE INFLUENCE OF BIOMASS ON ECOLOGICAL ASPECTS OF FERRIFERROUS AGGLOMERATE PRODUCTION
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1314-2704
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English
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18
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1.4
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Agglomerate is a basic input materials for the production of pig iron in the blast furnace and has in integrated metallurgical cycle important place. Industrial production of agglomerate and pig iron is a material and energy intensive and at the same time it has a negative impact on the environment. The role of searching for new additional energy carriers for the metallurgical industry in Slovakia and in the world is highly relevant. For sinter plant it is typical that the amount and types of contaminants are very diverse. The resulting agglomeration gas contains material particles (heavy metals, particularly iron compounds), but also other compounds (particularly containing zinc and lead), alkali chlorides, oxides of sulfur, oxides of nitrogen, HCl, HF, hydrocarbons, CO and CO2. As possible solutions for the decreasing of the emission of the agglomeration process, appear paths of partial replacement of agglomeration coke to other, less environmentally friendly and economically viable fuels ? biomass. Starting from analysis of the considered biomass, and proposed methodology for the realization of laboratory experiments were prepared agglomixtures, where coke powder was partly replaced by a defined quantity of individual biomass species (charcoal and sawdust). The laboratory experiments were realised in the Technical University of Ko?ice (Slovakia) on laboratory sintering pan. The results from laboratory experiments show that coke can be replaced of 50 % charcoal with little impact on the quality of the agglomerate, while types of waste biomass (e.g. wood sawdust) have a limited substitution level to 20 %. In such substitutions, the use of of biomass reduces the amount of CO2 a CO (approximately 5?15 %), NOx and SOx (approximately 30?40 %).
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conference
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18th International Multidisciplinary Scientific GeoConference SGEM 2018
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18th International Multidisciplinary Scientific GeoConference SGEM 2018, 02-08 July, 2018
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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187-194
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02-08 July, 2018
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website
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cdrom
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394
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biomass; charcoal; sawdust; coke; iron-ore sintering process; ecology; agglomixture; ferriferrous agglomerate; sinter
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