The Effect of Surfactant on Selectivity in the Extraction of Aromatic Hydrocarbons from the Lube Oil

Study on Atmospheric Distillation of Some Plain and Chemically Dispersed Crude Oils: Comparison of Yields and Fuel Quality of Distillate Fractions

“…where T b (K) is the average boiling point in Rankine (°R) and SG is the specific gravity determined at 15…”

“…Further, most of these methods are tedious, costly, and require severe reaction conditions, i.e., high temperature, high hydrogen partial pressure, and catalysts. To avoid these problems, new technologies in oil refining like hydrogen addition and carbon rejection, deasphalting, gasification, delayed coking, residue fluid catalytic cracking (RFCC), ebullated-bed hydrocracking, slurry-phase hydrocracking, fixed-bed hydro-treating, microwave extraction, treatment with ionic liquids, etc., − are being sought aimed at increasing yields of light distillate fractions with desired fuel properties. , However, integrated schemes are still needed focusing on product yields, composition, quality of products, elimination of low-value byproducts, reduction in impurities/coking, etc. Thus, there is a dire need to develop new cost-effective and feasible methods so as to get the last drop of distillable oil.…”

Investigating the Effect of NMP/Phenol Solvent Blend on Lubricating Oil Properties Without/With Using Surfactant.

“…Surfactant as an additive in solvent extraction of lubricating oil was studied in [15]. It was found that the addition of surfactant enhanced the extraction of polyaromatic compounds and increased solvent selectivity [16][17]. Furfural performance was improved by the addition of 0.01 to 0.1 wt.% sodium lauryl ether sulfate (SLES) at optimum extraction temperature of 70 o C and an increase in the yield was observed [16][17].…”