Solvent refining of coal using octahydrophenanthrene-enriched so
Split hub wheel apparatus and use of same for shale oil retortin
Spouted-bed shale retorting process
Stability Fischer-Tropsch diesel fuel and a process for its...
Staged burning of retorted carbon-containing solids
Staged hydroconversion of an oil-coal mixture
Staged hydrogenation of low rank coal
Staged temperature coal conversion process
Starting pitch for carbon fibers
Starting pitches for carbon fibers
Starting pitches for carbon fibers
Steam recycle used as stripping gas in oil shale retorting
Storage stable polymer modified asphalt paving binder
Supercritical extraction and simultaneous catalytic hydrogenatio
Supercritical tar sand extraction
Supplemental pyrolysis and fines removal in a process for pyroly
Supported chromium-molybdenum and tungsten sulfide catalysts
Supported transition metal sulfide promoted molybdenum or tungst
Surge bin retorting solid feed material
Synthetic crude from coal