Re-refining used lube oil

Reactivation of hydrofinishing catalyst for color removal activi

Reactive adsorbent and method for removing mercury from hydrocar

Reactive extraction of sulfur compounds from hydrocarbon...

Reactive iron oxide agents for scavenging hydrogen sulfide from

Reactor and process for mercaptan oxidation and separation...

Reactor for hydrotreating and process for producing ultralow...

Reclaiming lube oil in MRS unit

Reclaiming used lubricating oil

Reclaiming used lubricating oil

Reclaiming used lubricating oils

Reclaiming used lubricating oils with ammonium salts and polyhyd

Reclaiming used motor oil

Reconditioning process for used hydrocarbon based...

Reconstituting lubricating oil

Recovering polychlorinated biphenyls from solution

Recovering polychlorinated biphenyls from solution

Recovery of co-adsorbed hydrocarbons from molecular sieve adsorp

Recycling process for demetalization of hydrocarbon oil

Reduced nitrogen content of hydrocarbon fraction by catalytic po