<p>Disclosed is a converter top-bottom blow smelting process which comprises blowing oxygen into a converter from the top of the converter and blowing carbon dioxide into the converter from the bottom of the converter to thereby perform smelting, characterized in that carbon dioxide of a purity of 98.0-99.9% separated and refined from carbon dioxide-containing gas produced in iron mills using a pressure swing adsorption apparatus is used as a gas blown from the bottom of the converter.</p>
申请公布号
EP0228619(A1)
申请公布日期
1987.07.15
申请号
EP19860117147
申请日期
1986.12.09
申请人
SUMITOMO CHEMICAL COMPANY, LIMITED;SEITETSU KAGAKU CO., LTD.