Kamar yadda kowa ya sani, coal coking, wanda kuma aka sani da babban zafin jiki na mayar da martani, shine farkon masana'antar sinadarai na kwal. Tsarin jujjuyawar kwal ne wanda ke ɗaukar kwal azaman ɗanyen abu kuma yana dumama shi zuwa kusan 950 ℃ a ƙarƙashin yanayin ware iska, yana samar da coke thr ...
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