摘要 |
<p>A composition comprising from 35 to 50 wt-% of C, from 10 to 20 wt-% of Al, from 25 to 40 wt-% of Al2O3, from 0 to 3 wt-% of CaO and from 0 to 3 wt-% of MgO, provided however that the combined amount of CaO and MgO is of from 1 to 6%. A process for preparing such composition as well as a process for using such composition in the melting of scrap iron in an electric furnace.</p> |