期刊
ENERGY & FUELS
卷 29, 期 1, 页码 106-111出版社
AMER CHEMICAL SOC
DOI: 10.1021/ef502169q
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资金
- PETRONAS Ionic Liquids Centre (PILC)
- Universiti Teknologi PETRONAS (UTP)
- PILC
The isolation and recovery of naphthenic acid from highly acidic model oil was performed using hydroxide-based ionic liquids. An extremely low ionic liquid/oil ratio was used to completely deacidify the model oil. Tetraalkylammonium and tetraalkylphosphonium hydroxide ionic liquids were employed in this study. Tetraalkylammonium-based ionic liquids are more efficient than tetraalkylphosphonium-based ionic liquids. The recyclability of the ionic liquids for the extraction of naphthenic acid was also studied. The regeneration of the extracted naphthenic acid was achieved.
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