“crude benzolhydrorefining”的概念、定义、翻译、参考文献-科学参考

单词	crude benzolhydrorefining
释义	crude benzolhydrorefining Encyclopedia 工学炼焦释 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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