Pelletizing Process Shinichi YAMAGUCHI*1, Takeshi FUJII *1, Norihito YAMAMOTO, Tsutomu NOMURA*2 ... melting and sintering coarse iron ore 1 to 3mm in. manganese sintering process design . A process for sintering manganese ore was developed by Outokumpu with equipment proven in the sintering of chromite. ... iron ore pellet plant process ...