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Measuring Salinity in crude oils: Evaluation of methods and an improved procedure

机译:测量原油中的盐度:方法评估和改进程序

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In this work, a novel procedure is developed to determine the amount of salt for crude oils in which the available laboratory techniques are unable to provide accurate salt content values. The technique is based on measuring the salinity of the wash water that is vigorously mixed with the crude oil (forming an emulsion) and then separating it from the water-in-oil emulsion by irradiating microwave energy during few minutes. This three step process involves the emulsification of the wash water exempt of salt in crude oil, followed by the recovery of the water by microwave heating and, finally, the analysis of the salt content using the classical Mohr's method titration procedure. The novel technique presented here was able to provide reliable information about the salt content on Brazilian crude oils, in a rapid manner, without need of unsafe time-consuming solvent extraction procedures.
机译:在这项工作中,开发了一种新颖的程序来确定原油中的盐含量,而现有的实验室技术无法提供准确的盐含量值。该技术基于测量与原油剧烈混合(形成乳液)的洗涤水的盐度,然后通过在几分钟内照射微波能量将其与油包水乳液分离。这三步过程涉及乳化原油中不含盐的洗涤水,然后通过微波加热回收水,最后使用经典的Mohr法滴定程序分析盐含量。此处介绍的新技术能够以快速的方式提供有关巴西原油中盐含量的可靠信息,而无需使用不安全且耗时的溶剂萃取程序。

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