Evaluation of the purification process in rhamnolipid biosurfactant for application in microbial-enhanced oil recovery (MEOR)

dc.contributor.authorCâmara, Jéssica Maria Damião de Arruda
dc.contributor.authorSousa, Magna Angélica dos Santos Bezerra
dc.contributor.authorBarros Neto, Eduardo Lins de
dc.contributor.authorOliveira, Mário Cézar Amorim de
dc.date.accessioned2021-11-18T12:38:44Z
dc.date.available2021-11-18T12:38:44Z
dc.date.issued2019-10-08
dc.description.resumoBiosurfactants are employed in several industrial applications which require a high purity level. However, the downstream purification processes are responsible for a large portion of the expenses incurred by biosurfactant production plants. The high costs associated with these processes turn their application on a large scale a challenge for companies. This study aimed to evaluate the influence of the purification step on the capacity of the rhamnolipid produced by a Pseudomonas aeruginosa strain to recover oil. Both purified and non-purified biosurfactants were efficient in their ability to recover oil. The best result, for the API gravity oil of 27.67, presented a total Recovery Factor of 47.45±1.78%, in which 10.2±0.85% corresponds to the MEOR. However, the results show that non-purified biosurfactant was more efficient in terms of amount of oil recovered during the MEOR stage. This demonstrates that the purification step may not be necessary, reducing the production costs of the rhamnolipidpt_BR
dc.identifier.citationCÂMARA, J. M. D. A.; SOUSA, M. A. S. B.; BARROS NETO, E. L.; OLIVEIRA, M. C. A.. EVALUATION OF THE PURIFICATION PROCESS IN RHAMNOLIPID BIOSURFACTANT FOR APPLICATION IN MICROBIAL-ENHANCED OIL RECOVERY (MEOR). BRAZILIAN JOURNAL OF PETROLEUM AND GAS, v. 13, p. 187-198, 2019. Disponível em: http://www.portalabpg.org.br/bjpg/index.php/bjpg/article/view/699. Acesso em: 21 jun. 2021. http://dx.doi.org/10.5419/bjpg2019-0016.pt_BR
dc.identifier.doi10.5419/bjpg2019-0016
dc.identifier.issn1982-0593
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/44942
dc.languageenpt_BR
dc.publisherBrazilian Association of Research and Development in Petroleum and Gas (ABPG)pt_BR
dc.subjectPseudomonas aeruginosapt_BR
dc.subjectBiosurfactantpt_BR
dc.subjectRhamnolipidpt_BR
dc.subjectMicrobial-enhanced oil recoverypt_BR
dc.subjectPurification processpt_BR
dc.titleEvaluation of the purification process in rhamnolipid biosurfactant for application in microbial-enhanced oil recovery (MEOR)pt_BR
dc.typearticlept_BR

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