Removing haze from hydrocarbon oil mixture boiling in the lubric

Removing NH.sub.3 and H.sub.2 S from aqueous streams

Removing pollutants from flue gas in nonzeolitic catalytic crack

Removing water haze from distillate fuels

Rendering oily wastes landtreatable or usable

Replacement of particles in a moving bed process

Replacement of particles in a moving bed process

Reprocessing of contaminated oils

Rerefining of used motor oils

Rerefining used lubricating oil with hydride reducing agents

Rerefining used oil with borohydride reducing agents

Resid catalytic cracking process utilizing ZSM-5 for increased g

Resid cracking process and apparatus

Resid hydrocracking using dispersed metal catalysts

Resid hydroprocessing catalyst

Resid hydroprocessing method

Resid hydroprocessing method utilizing a metal-impregnated, carb

Resid hydrotreating process using lanthana-alumina-aluminum phos

Resid hydrotreating using solvent extraction and deep vacuum red

Resid hydrotreating with high temperature flash drum recycle oil