| 摘要 |
<p>PURPOSE: To obtain a granulated body having a relatively high strength and reduced in grain size variation from a mixture of steelmaking dust and charcoal powder and to recover a metal by recycling by using the granulated body without deteriorating the working environment. CONSTITUTION: A steel making dust generated in the steel manufacture using an electric furnace is mixed with charcoal powder, the mixture is granulated, and the granulated body is charged into the electric furnace to recover metal. In this method, an aliphatic hydrocarbonic oil is added to the mixture of dust and charcoal powder, and the admixture is granulated.</p> |
