Petroleum acids was removed from straight-run diesel distillate through chemical reaction and extraction under moderate conditions using an alkaline complex solution.
介绍了用一种碱性复合溶剂体系，在比较缓和的条件下，通过化学反应和抽提从直馏柴油中脱除石油酸的工艺过程。
The structures and compositions of the purified petroleum acids were characterized by using infra-red spectrum, nuclear magnetic resonance and negative-ion electrospray ionization mass spectrum.
通过红外光谱、核磁共振和负离子电喷雾质谱三种表征技术鉴定了原油中的石油酸结构和组成。
It is the best material for most alkali solutions and hydrochloric acid, but is not recommended for applications involving petroleum oils or most strong acids.
对于大多数碱溶液和盐酸，这是一种最好的材料，但是这种材料不推荐用于包括石油或大多数强酸的流体。
Application:Excellent in handling petroleum based products, hydrocardon solvents, oxidizing chemicals, most strong acids and alkali as well as other organic fluid etc.
应用：适合输送石油提炼后的下衔产品、烃类溶剂、腐蚀性最强的酸和碱，以及其他有机流体等。
Some unique characteristics of the composition and structure of the petroleum carboxylic acids in this crude oil were discovered.
发现了该原油中石油羧酸在组成和结构方面的一些特征。
The petroleum carboxylic acids in two distillates of North Sea crude oil were separated by the extraction with column chromatogram and anion exchange resin.
采用柱色谱和阴离子交换树脂法分离出两种北海高酸馏分油中的羧酸。
The petroleum carboxylic acids(mainly naphthene acids)in the diesel oil of Liaohe oil isolated by the extraction with solution of a1coholic sodium hydroxide, and the efficiency is not lower than 90%;
采用醇碱水溶液萃取方法分离出辽河油直馏柴油馏分中的石油羧酸（主要为环烷酸），采用重量法测出的分离效率不低于90％；
The petroleum carboxylic acids(mainly naphthene acids)in the diesel oil of Liaohe oil isolated by the extraction with solution of a1coholic sodium hydroxide, and the efficiency is not lower than 90%;
采用醇碱水溶液萃取方法分离出辽河油直馏柴油馏分中的石油羧酸（主要为环烷酸），采用重量法测出的分离效率不低于90％；
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