PPGT-TB Waste Oil To Base Oil Plant series is a process technology based on vacuum distillation (using TFE Wiped Film Evaporator) to re-refining of waste/used lubricating oils to near virgin API Group I base oils ranging from SN70 to SN500. Re-refining is the term used to describe use of PPGT-TB technology to extract the lubricating base oil from waste lubricants. Water, fuel oil, add... https://www.purepathtech.com/used-oil-recycling-machine