The preparation of ferroboron and ferrovanadium by aluminothermic reduction. O Yücel, F Cinar, O Addemir, A Tekin ... Carbothermic reduction of electric arc furnace dust and calcination of waelz oxide by semipilot scale rotary furnace. MH Morcali, O Yucel, A Aydin, B Derin. Journal of Mining and ... A reduction study of copper slag in a DC ...