A halin yanzu, akwai manyan hanyoyin shirye-shirye guda biyu don masana'antar ƙarfe ƙarfe a gida da waje: electrolysis da rage thermal. An mayar da hankali kan tsari, kayan aiki da ci gaban injin distillation don shirya tsaftataccen ƙarfe na ƙarfe. Electrolysis da thermal rage su ne sinadaran tsarkakewa hanyoyin da suke da wuya a Shirya high tsarki karfe alli. Yin amfani da alli na masana'antu azaman albarkatun ƙasa, za'a iya amfani da injin distillation don shirya tsaftataccen ƙarfe na ƙarfe tare da tsafta fiye da 99.999% (5N).
Dangane da binciken da aka yi a baya, an ƙara yin nazari da ƙididdige yawan zafin jiki na zafin jiki, kuma an ƙirƙira da kera na'urar tsabtace ƙarfe na ƙarfe na ƙarfe don samar da masana'antu da kanta. Binciken gwaji akan kayan na'urori daban-daban ya nuna cewa bangon ciki na 304 jerin bakin karfe tanki Bayan chromium plating, zai iya rage tasirin kayan aiki yadda ya kamata akan tasirin tsarkakewa na alli na ƙarfe. Haɗe da sakamakon binciken da ya gabata, bayan gwajin distillation mataki-mataki, tsarki ya kai 99.99%, abun cikin calcium mai aiki ya kai 99.5%, kuma abun cikin iskar gas ya ragu (C).
