馏分

Both hydrodewaxing and dewaxing without hydrogen have been commercialized in China.

馏分油临氢非临氢降凝工艺技术均已工业化。

The increase of concentration of inorganic electrolyte in aqueous phase can also markedly raise the solubilization capacity of sodium naphthenates for oil.

水相中解质浓度越大，石油酸钠对馏分油的增溶能力越强。

13 fatty acids components, 2 sterol and phytol ones were identified from R. dentatua L., amounting to 86.03% of the total constituents.

从齿果酸模中分离鉴定了13脂肪酸成分、2甾类成分1植醇，占色谱总馏分出峰面积的86.03%。

This article introduces the process design of rectification separation of methylnaphthalene and acenaphthylene fraction from Wash Oil with twin furnaces and twin column.

介绍了洗油通过双炉双塔分离精制生产甲基油馏分的工艺设计。

Technology Progress of producing BTX aromatics from heavy fraction of pyrolysis gasoline and correlative hydrodealkylation and non-aromatics hydrocracking techniques were reviewed in this paper.

综述了裂解汽油重质馏分增产BTX芳烃的技术进展以及与此相关的加氢脱烷基非芳烃加氢裂解技术。