The countermeasures of iron and steel industry in many countries before 2020 are energy saving and emission reducing in BF-BOF process and expanding EAF process.
在2020年前各国钢铁工业的主要对策是长流程节能减排，与扩大电炉炼钢为核心的短流程。
Aiming at SO2 gas pollution from BF-BOF process, an analytic model of sulphur flow was established based on the theory of industrial metabolism and method of material flow analysis.
针对高炉-转炉流程生产过程产生的SO2烟气造成环境污染的问题，以工业代谢理论为基础，应用物质流分析方法，建立了工序的硫素流分析模型。
Aiming at SO2 gas pollution from BF-BOF process, an analytic model of sulphur flow was established based on the theory of industrial metabolism and the method of material flow analysis.
针对高炉-转炉流程生产过程产生的SO2烟气造成环境污染的问题，以工业代谢理论为基础，应用物质流分析方法，建立了工序的硫素流分析模型。
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