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crude benzolhydrorefining
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crude benzolhydrorefining
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工学
炼焦
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crude benzolhydrorefining
粗苯加氢
对焦炉煤气净化时得到的粗苯采用加氢净化和萃取及蒸馏的方法予以精制和分离的工艺过程。是对酸洗法粗苯精制的改进,目的是将粗苯加工成苯、甲苯、二甲苯等苯类产品。
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