Dr Jun H. GOH, Chief Economist, POSCO Research Institute attended worldsteel's Circular Economy Conference in September 2018 and looked at how we could work towards a closed-loop system in the steel industry.
The presentation file is attached and the full version of the streaming video is found at: http://www.posri.re.kr/ko/board/content/15590
Related article: http://www.posri.re.kr/ko/board/section_content/6998