Magnetic detergent with potential application for diesel spills removal from seawater

Yeisy C. López, Greter A. Ortega, Edilso Reguera

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

© 2018 Elsevier B.V. One of the most concerning environmental and economic issue is oil spills due to their negative consequences. The present work deals on magnetic detergents for the removal of diesel spills from simulated seawater with different salinity levels. The syntheses of such detergents were carried out through the modification of magnetite nanoparticles (Fe3O4 NPs), during in situ- and/or post-synthesis coprecipitation reactions. Furthermore, oleic acid (OA), polyvinylpyrrolidone (PVP), sodium dodecyl sulfate (SDS), sodium dodecylbenzenesulfonate (SDBS), Tween 80 and Triton X-100 were evaluated as coating agents. The obtained detergents exhibited magnetic responses and were able to produce Pickering emulsions made of diesel and modified nanoparticles suspensions. Diesel removal percentages were in a 46–98% range, depending on the involved surfactant, used methodology, and water salinity level. A fraction from 20 to 80% of the removed diesel was spontaneously liberated out from the emulsions. Fe3O4NPs coated with non-ionic surfactants showed the highest efficiency for diesel removal without considerable precipitation of nanoparticles in the simulated seawater.
Original languageAmerican English
Pages (from-to)120-127
Number of pages107
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
DOIs
StatePublished - 20 Jan 2019

Fingerprint

detergents
Detergents
Hazardous materials spills
Seawater
salinity
Emulsions
nanoparticles
emulsions
Magnetite Nanoparticles
surfactants
Nanoparticles
Magnetite nanoparticles
Povidone
oleic acid
Polysorbates
Oleic acid
Nonionic surfactants
Oil spills
Octoxynol
Sodium dodecyl sulfate

Cite this

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title = "Magnetic detergent with potential application for diesel spills removal from seawater",
abstract = "{\circledC} 2018 Elsevier B.V. One of the most concerning environmental and economic issue is oil spills due to their negative consequences. The present work deals on magnetic detergents for the removal of diesel spills from simulated seawater with different salinity levels. The syntheses of such detergents were carried out through the modification of magnetite nanoparticles (Fe3O4 NPs), during in situ- and/or post-synthesis coprecipitation reactions. Furthermore, oleic acid (OA), polyvinylpyrrolidone (PVP), sodium dodecyl sulfate (SDS), sodium dodecylbenzenesulfonate (SDBS), Tween 80 and Triton X-100 were evaluated as coating agents. The obtained detergents exhibited magnetic responses and were able to produce Pickering emulsions made of diesel and modified nanoparticles suspensions. Diesel removal percentages were in a 46–98{\%} range, depending on the involved surfactant, used methodology, and water salinity level. A fraction from 20 to 80{\%} of the removed diesel was spontaneously liberated out from the emulsions. Fe3O4NPs coated with non-ionic surfactants showed the highest efficiency for diesel removal without considerable precipitation of nanoparticles in the simulated seawater.",
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Magnetic detergent with potential application for diesel spills removal from seawater. / López, Yeisy C.; Ortega, Greter A.; Reguera, Edilso.

In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, 20.01.2019, p. 120-127.

Research output: Contribution to journalArticle

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