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。
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。
Actually, the processing route of high sulfur crudes is led to the processing scheme of atmospheric residuum or vacuum residue.
高硫含量原油加工路线的实质，主要是指常压渣油或减压渣油的加工方案。
After analyzing the working characteristics and fault forms of residuum pump at the bottom of vacuum tower of distillation unit, some technical measures are gradually found and used in practice.
分析了减压塔底渣油泵工作特点和故障表现，针对渣油泵的工作特点和频繁出现的故障表现，逐步摸索出一些技术措施并在实际工作中实施。
After analyzing the working characteristics and fault forms of residuum pump at the bottom of vacuum tower of distillation unit, some technical measures are gradually found and used in practice.
分析了减压塔底渣油泵工作特点和故障表现，针对渣油泵的工作特点和频繁出现的故障表现，逐步摸索出一些技术措施并在实际工作中实施。
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