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1·Extractive distillation desulfurization of FCC gasoline was investigated in this paper.

本文开展了萃取蒸馏法脱除FCC汽油含硫化合物的研究。

2·Extractive distillation method was employed for removing sulfur compounds from FCC gasoline.

开展了萃取蒸馏法脱除催化裂化(FCC)汽油含硫化合物的研究。

3·The new process consists of extractive distillation section, degassing section, distillation section and solvent recovery section.

新工艺包括萃取蒸馏区、脱气区、蒸馏区和溶剂回收区。

4·At the same time, difficult respect of predictive engineering calculation of salt-adding extractive distillation process is also discussed.

同时，讨论了加盐萃取蒸馏过程之工程预计计算的困难方面。

5·According to single factor experiments, the desulfurization effect of FCC gasoline with NFM was investigated on a continuous extractive distillation apparatus.

在连续萃取蒸馏小试装置上，通过单因素试验考察了N-甲酰基吗啉的FCC汽油脱硫效果。

6·The separation of azeotrope of methyl ethyl ketone water has been investigated by extractive distillation using the mixture of ethylene glycol and potassium acetate as an extractant.

结果表明乙二醇与醋酸钾的混合物是分离甲乙酮水二元恒沸物的理想萃取剂。

7·The invention provides a method in separating benzene from cyclohexane and from heptane by ultrasonic extractive distillation, comprising steps as ultrasonic processing and extractive distillation.

本发明提供的是一种超声萃取蒸馏分离苯―环己烷及苯―正庚烷物系的方 法。