2017
DOI: 10.1002/srin.201600458
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Process Modeling and Simulation of Biochar Usage in an Electric Arc Furnace as a Substitute for Fossil Coal

Abstract: Increasing demands on the electric arc furnace (EAF) with regard to sustainability and energy efficiency are leading to various technological innovations. To reduce the carbon footprint of the steel production in EAFs, fossil coal can be substituted by biochar as investigated within the GreenEAF research projects. Palm kernel shells (PKS) are used for industrial long-term trials and showed no negative impact on product quality or energy consumption and are technically feasible, but led to different reaction be… Show more

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Cited by 24 publications
(13 citation statements)
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“…Validation of the EAF process model using extensive measured process data from a 140 t direct current (DC) furnace can be found in previous publications where the thermochemistry of the gas phase [34] and liquid phases [39], the behavior of different carbon carriers [33], the heat transfer [32], as well as the performance of the complete model [37], were evaluated thoroughly, which is not reproduced here. The model has also been tested with data from additional furnaces including both alternating current (AC) and DC technology and has given satisfactory results after adjustment of the empirical parameters during preliminary research.…”
Section: Resultsmentioning
confidence: 99%
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“…Validation of the EAF process model using extensive measured process data from a 140 t direct current (DC) furnace can be found in previous publications where the thermochemistry of the gas phase [34] and liquid phases [39], the behavior of different carbon carriers [33], the heat transfer [32], as well as the performance of the complete model [37], were evaluated thoroughly, which is not reproduced here. The model has also been tested with data from additional furnaces including both alternating current (AC) and DC technology and has given satisfactory results after adjustment of the empirical parameters during preliminary research.…”
Section: Resultsmentioning
confidence: 99%
“…For the charging of scrap baskets, the amount and composition of scrap, slag formers, Relevant phenomena such as heat exchange through radiation and direct contact, phase changes and mass transfer between zones, chemical reactions, as well as the change in geometry during meltdown, are considered in the model. Simulation results have been validated using extensive data from industrial furnaces [32][33][34]37,39].…”
Section: Process Modelmentioning
confidence: 99%
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“…Meier et al [52] conducted simulations of the use of biomass in the EAF based on the case of one of the steel plants in the GreenEAF2 project. They used a dynamic EAF process model to simulate complete heats implementing biomass (palm kernel shells) as a charge carbon substitute.…”
Section: Biomass Based Alternativesmentioning
confidence: 99%