-
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 gwajin gwajin cikin jirgin ruwan kwalta don dumama da narkar da shi.
