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通过对芳烃抽提装置脱辛烷塔底物料与脱戊烷塔进料换热,可有效回收脱辛烷塔底热能并减少装置的蒸汽使用量,达到了节能的效果。
The heat recovery of the off-octane bottom material and the depentanizer feed to the aromatics extraction unit can effectively recover the thermal energy of the decane column bottom and reduce the steam consumption of the apparatus, thereby achieving the energy saving effect.