Synthesis and functionalization of carbon nanospheres from asphaltene fraction for crude oil upgrading and viscosity reduction

Nanoparticles provide a promising, cost-effective eco-friendly solution to the challenges posed by heavy-oil reservoirs, significantly enhancing oil recovery rates by reducing viscosity without requiring extensive thermal inputs. In this study, carbon nanospheres (CNSs) and functionalized-CNSs nanof...

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Published in:Fullerenes, nanotubes, and carbon nanostructures nanotubes, and carbon nanostructures, 2024-09, Vol.32 (9), p.851-865
Main Authors: Hammadou née Mesdour, Souad, Boufades, Djamila, Dahou, Meriem, Moussiden, Anissa, Boussak, Hassina, Demim, Soraya, Linda, Loucif Seiad
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Language:English
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CNS-TiO
nanofluid
Surface functionalization
surfactant
viscosity reduction
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container_issue 9
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container_title Fullerenes, nanotubes, and carbon nanostructures
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creator Hammadou née Mesdour, Souad
Boufades, Djamila
Dahou, Meriem
Moussiden, Anissa
Boussak, Hassina
Demim, Soraya
Linda, Loucif Seiad
description Nanoparticles provide a promising, cost-effective eco-friendly solution to the challenges posed by heavy-oil reservoirs, significantly enhancing oil recovery rates by reducing viscosity without requiring extensive thermal inputs. In this study, carbon nanospheres (CNSs) and functionalized-CNSs nanofluids were prepared by incorporating surfactants (T80 or BMIMCl). These nanofluids were evaluated for their efficacy in upgrading crude oil, particularly focusing on viscosity-reduction. Rheological tests were conducted across varying shear rates (60-300 s −1 ) and concentrations (0.02-3 wt.%) to comprehensively assess the impact of these additives on the crude oil's proprieties. The results showed a notable enhancement in crude oil viscosity reduction, with the following order observed: CNS-TiO 2 < CNS-TiO 2 /DMIMCl 
doi_str_mv 10.1080/1536383X.2024.2340011
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subjects CNS-TiO
nanofluid
Surface functionalization
surfactant
viscosity reduction
title Synthesis and functionalization of carbon nanospheres from asphaltene fraction for crude oil upgrading and viscosity reduction
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