crude benzol

基本解释

The present problems existed in crude benzol recovery process of WISCO is analyzed.
分析了目前武鋼粗苯廻收工藝存在的問題。
The major problem of solvent extraction dephenolization process is that crude benzol dissolve in ammonia liquor.
以粗苯爲溶劑萃取脫酚，粗苯的主要消耗是其在処理後氨水中溶解的損失。
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Laboratory test of the filter aids for the feedstock(second side stream of Crude Daqing vacuum distillation unit) of acetone benzol dewaxing unit was carried out.
以酮苯脫蠟裝置所用的大慶減二線餾分油爲原料，進行了加入脫蠟助濾劑的試騐研究工作。