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petroleum naphthenic acid 石油酸
Corrosion from naphthenic acid has been one of the knotty problems in petroleum processing industry. 环烷酸腐蚀是石油炼制工业中的一个重要问题。
High molecular weight naphthenic acid is a kind of rare natural petroleum resource.It can be produced from the solvent extracted distillates of Xinjiang naphthenic crude oil. 高分子环烷酸是一种稀少的天然石油资源，其来源于新疆环烷基原油经蒸馏切割溶剂萃取而获得，保持其天然属性。
With the increase of petroleum importation, the corrosion protection emphases of petroleum chemistry facilities turned from naphthenic acid corrosion to sulfide corrosion in decade. 近10年来,随着进口原油的增多,石油化工设备的腐蚀重点逐步由环烷酸腐蚀转向硫化物腐蚀。
Effective measures are recommended to control the naphthenic acid corrosion. 并提出了减少减压炉管环烷酸腐蚀的措施。
NAPHTHENIC ACID CORROSION IN PETROLEUM PROCESSING 石油加工中的环烷酸腐蚀
A variety of methods are available in the industry to control naphthenic acid corrosion, and will be described. 文章阐述了炼油工业中使用的控制环烷酸腐蚀的多种方法。
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。
The existing of naphthenic acid not only corrode equipment, but also seriously influenced the quality of diesel. 环烷酸的存在不仅会腐蚀生产装置，而且对柴油产品质量的影响也较大。
In addition, as an important kind of fine chemicals material, naphthenic acid has obvious recycling value. 另外，环烷酸作为一种重要的精细化工原料，具有可观的回收利用价值。
L Craig.Temperature and velocity effects in naphthenic acid corrosion[J].Corrosion/96,NACE,1996 paper No:603. 高延敏;陈家坚;柯克;等;环烷酸与硫化氢腐蚀体系的热力学分析[J].;腐蚀科学与防护技术;19(6):357
A new process of extracting high purity naphthenic acid directly from alkaline mud with solvent was introduced. 介绍了一种利用溶剂萃取法直接从碱渣中提取高纯度环烷酸新工艺。
The results showed that there were the similarly elemental structures of petroleum acids which were divided into aliphatic acids,naphthenic acids and aromatic acids,but the differ... 结果表明,这两种原油中的石油酸结构基本一致,分别为脂肪酸、环烷酸和芳香酸,不同的是对于同一种类的石油酸,碳数范围不同,所占的质量百分数不同。
The acidity of straight-run diesel mainly caused by naphthenic acid. 直馏柴油的酸度主要是由环烷酸引起。
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。
Progress of the removal of naphthenic acid from heavy sour crude and its fraction is reviewed. 综述了从重质高酸值原油及其油品脱环烷酸的工艺研究。
The solubilization effect of naphthenic acid on the component of long chain hydrocarbon gases is observed. 环烷酸类有机物对长链烃气组分有明显的增溶作用。
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。
Naphthenic acid corrosion at high temperature has been an old enemy in oil refining industry, and also one of the problems desiderate to be solved. 摘要高温环烷酸腐蚀是世界炼油工业的宿敌，也是目前亟待解决的难题之一。
It was pointed out that the development of naphthenic acid products in China should be toward highgrade purification and fine chemicals. 指出了我国在研究开发环烷酸系列产品时，应朝着高纯化、精细化方向发展。