Inqubo YomkhiqizoI-Semi GPC (SGPC) isuka kungqimba olufakwayo lwe-acheson furnace.Izinga lokushisa le-graphitization likubangaI-1700-2500ºC. Ingowomkhiqizo we-graphitization wezinga lokushisa elimaphakathi. I-recarburizer yokonga ngeikhabhoni engaguquki ephezulu, isibabule esiphansi, izinga lokuqedwa ngokushesha kanye nezinga eliphezulu lokumunca.