Shaped catalyst particle for use in hydroprocessing of petroleum

Silica gel compositions containing alkali metals and alkali...

Silica-promoted hydrofining catalyst and process

Simultaneous removal of aromatics and wax from lube distillate b

Simultaneous upgrading and dedusting of liquid hydrocarbon feeds

Slurry hydroprocessing process

Slurry hydroprocessing using bulk multimetallic catalysts

Slurry hydrotreating process

Slurry system for removal of contaminant from synthetic oil

Solid acid assisted deep desulfurization of diesel boiling...

Solids precipitation and polymerization of asphaltenes in coal-d

Solvent extraction and purification of acid soluble oil from an

Solvent extraction of synfuel liquids

Solvent extraction process for rerefining used lubricating oil

Solvent extraction process for rerefining used lubricating oil

Sorbent compositions and desulfurization method using the same

Sorbent for heavy metals

Sorbent regeneration in a process for removing sulfur-containing

Sorbent treating of lubricating oils to remove haze precursors

Spent oil recovery process