Adsorption of organic acids from offshore produced water using microporous activated carbon from babassu pericarp: a low-cost alternative

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dc.creatorMônaco, Felipe Santos
dc.creatorAguiar, Deborah Victória Alves de
dc.creatorOliveira, Gerlon de Almeida Ribeiro
dc.creatorVaz, Boniek Gontijo
dc.creatorLiao, Luciano Morais
dc.creatorAndrade, Laiane Alves de
dc.creatorOstroski, Indianara Conceição
dc.date.accessioned2023-07-06T12:34:48Z
dc.date.available2023-07-06T12:34:48Z
dc.date.issued2023
dc.description.abstractCurrently, in different regions of the world, there is a growth on the rate of produced water for each barrel of oil extracted. Among the compounds observed in this water are naphthenic acids (NAs). Efforts to remove NAs from produced water must comply with local legislation and avoid damage to the environment since NAs have great toxicity. This study aimed to investigate the ability of activated carbon from the pericarp of babassu coconut (Atallea speciosa Mart. ex Spreng.) to act as an absorbent of NAs in commercial and natural (offshore) produced waters. The activated carbon was physically and chemically characterized. The maximum adsorption capacity of commercial NAs at equilibrium obtained experimentally was 25 mg g−1. The activated carbon removed both NAs and other contaminants for produced water, as revealed by infrared and NMR techniques. In high-resolution mass spectrometry analysis, the abundance of the acids in the produced water was in the C9 and C10 range, being favorable for the adsorbent with a microporous structure. For the produced water kinetics experiments a maximum amount of adsorbed compounds of 17.91 mg g−1 was reached, and the time to achieve equilibrium was approximately 180 min. Thus, the results show that activated charcoal from babassu coconut pericarp can be used as an adsorbent and can potentially compete with other adsorbents to remove NAs in an aqueous solution. Also, the separation process can be adopted at a low cost on platforms, complementing the operations of hydrocyclones and flotation.pt_BR
dc.identifier.citationMÔNACO, Felipe Santos et al. Adsorption of organic acids from offshore produced water using microporous activated carbon from babassu pericarp: a low-cost alternative. Chemical Engineering Communications, London, v. 210, p. 314-329, 2023. DOI: 10.1080/00986445.2022.2045281. Disponível em: https://www.tandfonline.com/doi/full/10.1080/00986445.2022.2045281?scroll=top&needAccess=true&role=tab. Acesso em: 28 jun. 2023.pt_BR
dc.identifier.doi10.1080/00986445.2022.2045281
dc.identifier.issn0098-6445
dc.identifier.issne- 1563-5201
dc.identifier.urihttps://www.tandfonline.com/doi/full/10.1080/00986445.2022.2045281?scroll=top&needAccess=true&role=tab
dc.language.isoengpt_BR
dc.publisher.countryGra-bretanhapt_BR
dc.publisher.departmentInstituto de Química - IQ (RMG)pt_BR
dc.rightsAcesso Restritopt_BR
dc.subjectCharacterizationpt_BR
dc.subjectCoconut-based agricultural wastespt_BR
dc.subjectHigh-resolution mass spectrometrypt_BR
dc.subjectPetrochemical industrypt_BR
dc.subjectProduced water treatmentpt_BR
dc.subjectWater-soluble organicspt_BR
dc.titleAdsorption of organic acids from offshore produced water using microporous activated carbon from babassu pericarp: a low-cost alternativept_BR
dc.typeArtigopt_BR

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