Reactive extraction of sulfur compounds from hydrocarbon...

Reactive iron oxide agents for scavenging hydrogen sulfide from

Reactor and method for hydrocracking carbonaceous material

Reactor and process for mercaptan oxidation and separation...

Reactor for carrying out a continuous oxydehydrogenation and...

Reactor for hydrotreating and process for producing ultralow...

Reactor residuum concentration control in hydroconversion of coa

Reagent and process for recovering oil and kerogens from oil sha

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

Reclaiming wax contaminated lubricating oils

Reconditioning process for used hydrocarbon based...

Reconstituting lubricating oil

Recovering hydrocarbons from hydrocarbon-containing vapors

Recovering polychlorinated biphenyls from solution

Recovering polychlorinated biphenyls from solution