Process for separating organic material from particulate solids
Process for the recovery of oil from waste oil sludges
Process for the recovery of oil from waste oil sludges
Process for treating oil sludge
Process to refine petroleum residues and sludges into asphalt an
Recovery of hydrocarbons from acid sludge
Recovery of oil from refinery sludges by steam distillation
Removal of HF from the sludge resulting from the treatment of a
Rendering oily wastes landtreatable or usable
Separation of oils from solids
Single riser fluidized catalytic cracking process utilizing hydr
Sludge addition to a coking process
Treatment of petroleum derived organic sludges and oil residues
Treatment of waste petroleum