Continue to introducting direct reduction technology,the ironmaking processesof smelting reduction such as COREX, DIOS, HIsmelt and CCF are summarized, the adventagesand disadventages of these techniques are compared.

• 继介绍直接还原技术后，本部分主要综述COREXDIOS、HIsmelt及CCF等有发展前途的熔融还原炼铁技术及比较了彼此的优缺点。