Fasaha
Ana yin waɗannan jerin abubuwan carbon da aka kunna daga kwal.
The Ana aiwatar da ayyukan carbon da aka kunna ta hanyar amfani da haɗuwa ɗaya na matakai masu zuwa:
1.) Carbonization: Material tare da carbon abun ciki ne pyrolyzed a yanayin zafi a cikin kewayon 600-900 ℃, in babu oxygen (yawanci a inert yanayi tare da iskar gas kamar argon ko nitrogen).
2.) Kunnawa / Oxidation: Raw abu ko carbonized abu ne fallasa zuwa oxidizing yanayi (carbon monoxide, oxygen, ko tururi) a yanayin zafi sama da 250 ℃, yawanci a cikin zafin jiki kewayon 600-1200 ℃.