Phase equilibria of toluene/heptane with tetrabutylphosphonium bromide based deep eutectic solvents for the potential use in the separation of aromatics from naphtha

Separation of toluene from toluene/alkane mixtures with phosphonium salt based deep eutectic solvents

“…This could be attributed to the fact that cyclohexane is less polar than toluene. This is in agreement with the results reported earlier in the literature for other systems using different DESs [15,17,18].…”

Selected issues related to the toxicity of ionic liquids and deep eutectic solvents—a review

“…As a result of combining tetrabutylphosphonium bromide and propylene glycol with sulfolane, two deep eutectic solvents were obtained, which are potential extracting agents that could be used to separate the mixture of toluene and heptane. The studies have proved the usability of those solvents to the industrial extraction of aromatic hydrocarbons from, for example, petroleum (Kareem et al 2012). Medical and pharmaceutic usage 8.…”

Deep Eutectic Solvents: An Overview of its Application as a “Green” Extractant

“…Owing to their physical properties, many researchers have reported that DESs have feasible industrial applications [18][19][20][21][22][23]. As reviewed by Zhang et al, [24] and Tang et al, [25], there are many potential areas to which DESs can be applied.…”

“…The 21 st century concepts of -green chemistry‖ forms the basis of most today's scientific research. The key idea behind this concept is to provide alternative routes that can reduce the production and utilization of harmful materials that affect both human and the environment through the use of renewable, cheap and environmentally safe precursor materials.…”