2010
DOI: 10.1590/s0100-40422010000300023
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Salinidade em petróleo bruto: otimização de metodologia e proposta de um novo método para extração de sais em petróleo

Abstract: IN PETROLEUM. The quantity of salts in the crude oils depends on the origin and of the wells production and these salts cause several problems during the transport and the process of refine as corrosions, incrustations and deactivation of the employed catalysts in the refineries. In this study were implemented changes for improvements in the execution of ASTM D 6470 method and has also developed a new methodology of extraction system of salts using process of mechanical agitation without heating. The results o… Show more

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Cited by 25 publications
(17 citation statements)
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“…The results obtained in the recovery tests for intermediary and heavy crude oils using the modified ASTM D 6470-99 method indicated an 89-90% efficiency of chloride extraction, showing higher efficiency than the traditional ASTM D 6470-99 method [4,12]. Thus, aqueous extraction of crude oil using the modified ASTM D 6470-99 method allows the migration of almost all chloride salts to the aqueous phase (aqueous crude oil extract), enabling the use of instrumental techniques for the determination of counterions of the chloride.…”
Section: Introductionmentioning
confidence: 90%
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“…The results obtained in the recovery tests for intermediary and heavy crude oils using the modified ASTM D 6470-99 method indicated an 89-90% efficiency of chloride extraction, showing higher efficiency than the traditional ASTM D 6470-99 method [4,12]. Thus, aqueous extraction of crude oil using the modified ASTM D 6470-99 method allows the migration of almost all chloride salts to the aqueous phase (aqueous crude oil extract), enabling the use of instrumental techniques for the determination of counterions of the chloride.…”
Section: Introductionmentioning
confidence: 90%
“…Crude oil is a highly complex mixture composed of saturated hydrocarbons, aromatics and polycyclic compounds (resins and asphaltenes), in addition to trace elements of inorganic origin [1- 4]. Because of the natural geological processes involved in crude oil formation as well as crude oil exploration techniques, a great amount of salty water is emulsified in crude oil.…”
Section: Introductionmentioning
confidence: 99%
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