炼钢
持续性
环境影响评价
熔渣(焊接)
能源消耗
过程(计算)
生产(经济)
生命周期评估
电弧炉
环境科学
工程类
废物管理
工艺工程
机械工程
计算机科学
材料科学
冶金
生态学
宏观经济学
电气工程
经济
操作系统
生物
作者
Ismael Matino,Valentina Colla,Vito Colucci,P. Lamia,S. Baragiola,Cosmo Di Cecca
摘要
The European Steel sector is committed to investigate solutions for reducing its environmental impact in terms of atmospheric and water emissions, energy consumption and solid waste production. To this aim, the project entitled Environmental Impact Evaluation and Effective Management of Resources in the EAF Steelmaking (EIRES), that is funded by the Research Fund for Coal and Steel, aims at providing electric steelworks with a tool for a systematic evaluation and investigation of solutions improving the process sustainability. As complex process modifications, before being practically implemented and tested on the field, need a thorough evaluation, a simulation model of the whole electric steelmaking route was developed as a part of EIRES tool. The paper presents such simulation model, which has been developed through Aspen Plus® V 8.6 in order to assess the impact of each operation unit, including both production processes and fumes and wastewater treatment plants. A case study is presented, which compares the environmental and energy impact related to the production of some of the most commonly produced steel grades. Correlations between the steel grade and the consumed electric energy or the slag amount and composition were highlighted, that can be a useful starting point for further assessment of potential margins of improvement of electric steelwork sustainability.
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