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Updated: Jan 28, 2026

Preparation and Evaluation of Hybrid Composites of Chemical Fuel and Multi-walled Carbon Nanotubes in the Study of Thermopower Waves
Published on: April 10, 2015
Removal of unleaded gasoline from water by multi-walled carbon nanotubes
Daniele Lico1, Danilo Vuono1, Carlo Siciliano2
1Dipartimento di Ingegneria per l'Ambiente e il Territorio e Ingegneria Chimica, Università della Calabria, I-87036, Arcavacata di Rende, CS, Italy.
Abstract:
This article displays an efficient and cost effective technique for the removal of unleaded gasoline from water. Multi-walled carbon nanotubes (MWCNTs) were used as the sorbent material. Nanotubes were synthesized according to a well-known procedure and successfully used avoiding cumbersome purifications from traces of catalyst. A series of lab-scale experiments was performed on dispersions of commercial unleaded gasoline (20 mL) in water (30 mL), which were subjected to the action of variable amounts of MWCNTs at room temperature. Physicochemical characteristics and sorbent capacity of nanotubes were investigated by thermal analysis and FT-IR spectroscopy. The highest percentage of removed unleaded gasoline was obtained using small amounts (0.7 g) of MWCNTs, over very short stirring times (5 min). The composition of residual organic materials in water was investigated by 1H and 13C high-resolution NMR spectroscopy, which confirmed the almost complete removal of unleaded gasoline hydrocarbon components from polluted waters.
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