Re-Refined Base Oil

Re-refined base oil is what a spent lubricant becomes when cleaning and purification restore the molecules that made it valuable in the first place. Rather than extracting fresh crude, the process recovers a finished base oil from oil already in service, giving that resource a genuine second life across motor oils, industrial lubricants, and specialty products.

How Used Oil Regains Its Value

The journey runs from collection through pre-treatment, where water and large particles are removed, and into multi-stage purification. Vacuum distillation separates the base oil fraction from lighter and heavier components, solvent extraction strips oxidation products and additive residues, and hydrotreatment removes sulfur and other remaining impurities using hydrogen and a catalyst.

Quality That Meets or Beats Virgin Stock

The goal is a base oil that matches virgin specifications across viscosity, oxidation stability, and wear protection. Rigorous quality control confirms each batch meets the same standards as oil refined from crude, which is why re-refined base oil is formulated into everything from engine oil and hydraulic fluids to gear oils, greases, and metalworking fluids.

A Smaller Footprint, Same Performance

Because the feedstock has already been through the energy-intensive stages of extraction and initial refining, re-refining produces a far lower carbon footprint while keeping the lubricant in the economy instead of the environment. That combination of reliability, resource conservation, and reduced emissions makes re-refined base oil a cornerstone of sustainable lubrication.

Learn More:

• Feasibility Studies for Waste-to-Value Projects
• Turn-Key EPC Delivery
• Plant Design & Engineering
• Facility Efficiency Upgrades
• Resource Recovery Projects

Give Spent Oil a Profitable Second Life

Klean Industries turns used lubricant into re-refined base oil that holds its value in real markets.

Our engineering teams deliver re-refining plants that recover maximum base oil while meeting stringent specifications.

Considering a re-refined base oil project?

Contact Klean Industries about re-refined base oil » GO.