Selective sorbents for purification of hydrocarbons

Separation and use of a gaseous stripping media in a hydrotreati

Separation of active catalyst particles from spent catalyst part

Shaped catalyst particle for use in hydroprocessing of petroleum

Silica-promoted hydrofining catalyst and process

Simultaneous upgrading and dedusting of liquid hydrocarbon feeds

Slurry hydroprocessing process

Slurry hydroprocessing using bulk multimetallic catalysts

Slurry hydrotreating process

Solid acid assisted deep desulfurization of diesel boiling...

Sorbent compositions and desulfurization method using the same

Sorbent regeneration in a process for removing sulfur-containing

Stacked bed catalyst system for deep hydrodesulfurization

Staged hydrotreating method for naphtha desulfurization

Staged upflow and downflow hydroprocessing with noncatalytic rem

Staged upflow hydroprocessing with noncatalytic impurity removal

Start-up method for a hydrorefining process

Structured catalysts incorporating thick washcoats and method

Sulfer-reduction treatment in catalytically processed...

Sulfiding of hydrogel derived catalysts