the status, characteristic and progress of naphthenic acid purification in china were introduced.

介绍了我国环烷酸精制工艺的现状、特点及进展；

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。

processing conditions of ammonia extraction of naphthenic acid from high acid number crude oil with complex solvent was studied in the laboratory.

对复合溶剂氨法抽提高酸值原油环烷酸抽提工艺条件进行了实验室研究。

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 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。

atmospheric and vacuum distillation units in a refinery process heavy crude oil with low sulfur content and high naphthenic acid number.

沿海某炼油厂常减压装置加工渤海湾低硫高酸值重质原油。

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。

in addition, physico-chemical properties of naphthenic acid and its application were introduced.

此外介绍了轻柴油环烷酸的理化性质和应用结果。

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。

the extraction rate was speeded up by adding additive. theexperimental results showed that naphthenic acid was an excellent additive.

同时，还探索了添加剂加速萃取的效果，结果表明，环烷酸是一种好的添加剂。

based on the analysis of the dynamical corrosion mechanism, the anticorrosion principle of the naphthenic acid has been obtained;

在分析动力学腐蚀机理的基础上，得出了环烷酸防腐原则。

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。

the evaluation and selection experiments of corrosion inhibitor of naphthenic acid have been carried out.

调研环烷酸的缓蚀剂应用现状，进行了环烷酸的缓蚀剂评价筛选试验。

chloro-naphthenic acid is synthesized using naphthenic acid as raw material and sulfoxide chloride(socl_2)as chloridizing agent.

以环烷酸为原料，用氯化亚砜作氯化剂，合成了氯代环烷酸。

lye change from refinery includes sodium hydroxide solution with absorbed hydrogen sulfide, lye change with sulfur or sodium naphthenic acid content after alkali cleaning.

炼油废堿液是石油加工过程中采用氢氧化钠溶液吸收硫化氢、堿洗油品产生的含硫废堿液和含环烷酸钠废堿液。

the foreign petroleum processing industry has been studying and combatting the naphthenic acid (na)corrosion problem for about 70 years.

环烷酸腐蚀是国外炼油工业不断研究和与之抗争了约70年的一个课题。

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。

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。

the properties of naphthenic acid hydrogen sulphide corrosion have thermodynamically been discussed.

从热力学角度讨论了环烷酸和硫化氢组成的腐蚀体系的热力学性质。

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 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。

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。

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。

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。

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。

the commercial application demonstrated that lpec aluminum-diffused steel is a high-performance material which resists high-temperature sulfur and naphthenic acid corrosions.

工业应用证明lpec渗铝钢是耐高温硫和环烷酸腐蚀的一种高效材料。