Naphthenic acid corrosion is the tough problem in processing high-acidity crude.
环烷酸腐蚀是炼制高酸值原油时遇到的一个难题。
The methods of purification for naphthenic acid consist of physical method and chemical method.
环烷酸的提纯方法主要有物理方法和化学方法。
Methods of the removal of naphthenic acid are chemical extraction, solvent extraction absorption, and so on.
脱除环烷酸的方法一般可有化学萃取、溶剂萃取、吸收等。
Naphthenic acid alkanolamide was synthesized as flooding agent with petroleum naphthenic acid as starting material.
以石油环烷酸为原料制备出石油环烷酸烷醇酰胺类驱油用表面活性剂。
At the same corrosion environment, the corrosion rate of naphthenic acid drops with the increase of its molecular weight.
腐蚀环境相同时，环烷酸的腐蚀速率随着环烷酸分子量的增加而降低。
The technological application of naphthenic acid, naphthenate and naphthenic acid organic derivatives in China were reviewed.
论述了环烷酸、环烷酸盐、环烷酸有机衍生物的工业应用及前景。
Besides, the aluminum diffused steel would become one of the cheap naphthenic acid resistant materials to replace stainless steel.
此外，渗铝钢将成为替代不锈钢的廉价耐环烷酸腐蚀材料。
After we alter the content of naphthenic acid in residual oil, comparing the corrosion speed when residual oil is in stationary and running.
改变渣油中环烷酸含量后，分别测定渣油在静止和流动时的年腐蚀速率并进行比较。
In this paper, laboratorial evaluation and industrial application of curing accelerator, imidazoline prepared from naphthenic acid were introduced.
对由环烷酸制备的咪唑啉环氧树脂固化促进剂在实验室进行了评价，并介绍了其在工业上应用的情况。
Refinery waste water treating was tested with an annular centrifugal extractor for naphthenic acid recovery in Shengli Refinery of Qilu Petrochemical Company.
介绍用三辛胺萃取剂回收石油酸废水中环烷酸的工艺流程、萃取设备和工业试验结果。
In this paper, some advances in study on rare earth extraction chemistry are reviewed since the naphthenic acid has been used in extracting rare earth to 1990s.
本文主要综述环烷酸用作稀土元素萃取剂的萃取化学研究进展。
Rare earth elements in the aqueous leaching liquor of chlorinated mine mud from Sichuan West is of lower content, they can be separated by naphthenic acid extraction.
川西稀土矿泥氯化后水浸液中，稀土含量较低，可借助环烷酸萃取法分离出稀土元素。
The invention addresses the technical problem of high temperature naphthenic acid corrosion and sulphur corrosion and provides a solution to inhibit these types of corrosion.
本发明针对高温环烷酸腐蚀和硫腐蚀这一技术问题，提供了用于抑制这些类型的腐蚀的技术方案。
The smoke suppressing effect of organic barium salt, a product of the reaction between barium bioxide and naphthenic acid in coking gasoline, as a diesel oil additive was studied.
本文介绍一种以有机钡盐为主的复合型柴油添加剂，其主要成分是过氧化钡与环烷酸在焦化汽油中反应所生成的环烷酸钡。
Effective measures are recommended to control the naphthenic acid corrosion of the pipe, including selection of corrosion-resistant 316 or 316l steels and modification of tee construction.
并提出了减缓阻垢剂进料管环烷酸腐蚀的措施，主要包括选用更耐蚀的316或316l材质以及改进三通结构等。
The excessive naphthenic acid corrosion of the vacuum distillation tower was introduced. The corrosion mechanisms was explored and the corrosion-resistance of the 316L stainless steel was studied.
介绍了减压塔受环烷酸腐蚀的严重程度，探讨了腐蚀机理和应用316L不锈钢抗腐蚀的效果。
The south crude distillation unit in Liaohe Petrochemical Company mainly processes high-acid-value, corrosive and low-freezing-point naphthenic crude oils after revamping.
辽河分公司南蒸馏装置改造之后，主要加工高酸值、强腐蚀性的低凝环烷基原油。
The south crude distillation unit in Liaohe Petrochemical Company mainly processes high-acid-value, corrosive and low-freezing-point naphthenic crude oils after revamping.
辽河分公司南蒸馏装置改造之后，主要加工高酸值、强腐蚀性的低凝环烷基原油。
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