以焦油中低附加值产品工业二甲酚后馏分为原料，用精馏的方法可以得到质量分数>95%的3，5-二甲酚高附加值产品。
The result shows that high valued 3,5-xylenol with a purity of over 95% can be extracted from industry level xylenol fraction by rectification.
对采用两段法加氢工艺加工某催化裂化柴油得到的芳烃质量分数低于25％的产品柴油窄馏分的性质进行了分析。
The narrow-cut fractions of FCC LCO hydrogenated by the two-stage process, whose aromatics content is less than 25 %, was studied.
应用推荐