Karancin sulfur Calcined Pitch Petroleum Coke Ƙayyadaddun Farashi

Pitch coke wani nau'i ne na farar kwal mai zafi mai zafi, wanda ake yin ta ta hanyar amfani da farar kwal ta hanyar dumama, narkewa, feshi da sanyaya tsari. Pitch coke ya kasu kashi biyu: farar kwal da bitumen mai. Ƙaƙwalwar kwalta don kayan da za a iya jujjuyawa galibi farar kwal ne. An ƙara farar ɗanyen kayan gwaji a cikin jirgin ruwan kwalta don dumama da narkar da shi. A lokaci guda kuma, ana kunna na'urar dumama wutar lantarki, kuma ana fitar da kwalta na ruwa daga cikin bututun ƙarfe kuma a sanya iska ta zama ɓangarorin ƙoshin lafiya. Kwalta kwalta ana sanyaya su a zahiri cikin samfuran da aka kammala ta iska a cikin hasumiya mai sanyaya, kuma ana aika su zuwa tacewa mai jijjiga mai girma uku ta kasan hasumiya mai sanyaya don rarraba samfuran kwalta mai siffar zobe waɗanda suka dace da buƙatun.