Open AccessLife Cycle Assessment of a New Steel-making Process for Sustainable Steel Industrial Development in China
Author(s) -
Shuxuan Du
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1699/1/012005
Subject(s) - steelmaking , sustainable development , process (computing) , life cycle assessment , refining (metallurgy) , coal , energy consumption , environmental pollution , steel mill , engineering , manufacturing engineering , environmental science , waste management , production (economics) , materials science , computer science , metallurgy , environmental protection , electrical engineering , political science , economics , law , macroeconomics , operating system
With the increasing emphasis on sustainable development, the development of green industry has become particularly important. The steel industry, as a key industry with high pollution and high emission, is bearing a huge environmental pressure. In China, the traditional steelmaking industry of blast furnace-converter has the problems of huge energy consumption and carbon emission, which is contrary to the requirements of sustainable industrial development. Therefore, based on the resource characteristics and technical basis of China, the theory of replacing the traditional steel-making process with coal-to-gas-gas-based shaft furnace-electric furnace steel making process is proposed in this paper. At the same time, this paper will establish an LCA model for the new process, objectively evaluate its relationship with the environment, and deeply analyse the relationships between each unit process in coal-to-gas-based shaft furnace-electric furnace process and environmental protection, energy consumption, pollution emission. Through the simulation of steelmaking process and life cycle assessment, the impact of new process on environment and energy is analysed quantitatively. It provides a new research direction and a reliable theoretical support for optimizing steel refining process and developing sustainable steel refining industry.