Integrated Refining Technologies

No single refining step produces a premium base oil on its own. Integrated refining technologies that combine solvent extraction with complementary processes such as hydrocracking, dewaxing, and hydrotreating are what let producers meet the demanding specifications for stability, purity, and low-temperature performance.

Extraction Plus Hydrocracking

Solvent extraction removes aromatics, sulfur, and nitrogen, but hydrocracking goes further, breaking heavy molecules and saturating aromatics to lift viscosity index and oxidation resistance. Sequencing extraction ahead of hydrocracking can improve the conversion and reduce hydrogen demand, so the two processes reinforce one another rather than simply running in parallel.

Adding Dewaxing and Hydrotreating

Dewaxing, whether solvent-based or catalytic, strips waxy components that would solidify at low temperature, keeping the oil fluid across a wide operating range. Hydrotreating then removes residual sulfur and nitrogen and finishes saturation, polishing colour and stability. Each technology addresses a property that extraction alone cannot fully deliver.

Polishing and Integration

A final clay or adsorption treatment clears residual colour bodies and trace metals for a bright, market-ready product. Designing these integrated refining technologies well means getting the sequence, equipment compatibility, and solvent recovery right, so the whole train runs efficiently and the base oil exits at its highest possible grade.

Learn More:

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

Build a refining train that hits every spec.

Pair solvent extraction with cracking, dewaxing, and hydrotreating for premium base oil.

Klean Industries designs integrated refining systems engineered for stability, purity, and low-temperature performance.

Considering a base oil refining project?

Contact Klean Industries about base oil refining » GO.