vacuum residuum的意思|示意

According to the molecular mass, the vacuum residuum from Iranian heavy crude oil was separated into fractions by the Supercritical fluid extraction and fractional (SFEF) technology.

采用超临界萃取分离技术对伊朗重质减压渣油按相对分子质量进行了分割。

Because crude oil from Xinjiang has high vanadium content, its atmospheric residuum and vacuum residuum shouldn't be directly used as catalytic raw material.

同时新疆原油钒含量高，其常压渣油和减压渣油均不宜直接作催化原料。

Vacuum residuum emulsifying process comprises mixing vacuum residuum, water and emulsifier containing petroleum sulfonate-formaldehyde condensate through stirring.

一种减压渣油的乳化方法，是将减压渣油、水以及含有石油磺酸盐甲醛缩合物的乳化剂混合，搅拌均匀即可。