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日本钢管公司是在炼铁工艺中最早进行废塑料工业应用的钢铁企业。自1996年以来,该公司每年一直在京滨厂高炉上喷吹使用4万 t 废塑料,作为还原剂取代部分焦炭。这些工业废塑料不包括有害的 PVC 塑料。日本钢管公司也开发了利用重力将PVC
Nippon Steel Pipe Company is the earliest iron and steel industry in the waste plastics industry applications. Since 1996, the company has been blowing 40,000 tons of waste plastic into the blast furnace at Keihin Plant each year to replace part of the coke as a reducing agent. These industrial waste plastics do not include harmful PVC plastic. Japanese steel companies have also developed the use of gravity to PVC