Examples of semiliquid inorganic salt catalysts include a slurry and/or a phase that has a consistency of, for example, taffy, dough, or toothpaste. ???SCFB??? refers to standard cubic feet of gas per barrel of crude feed. ???Superbase??? refers to a material that can deprotonate hydrocarbons such as paraffins and olefins under reaction conditions. ???TAN??? refers to a total acid number expressed