PROCESS TO PRODUCE LUBE OIL BASESTOCK BY LOW SEVERITY HYDROTREATING OF USED INDUSTRIAL CIRCULATING OILS

摘要

Lubricating basestock oil suitable for use as such or as blending oil is obtained by the low severity hydrotreatment of industrial circulating oils of the type employed in low severity lubricating applications, and which have been mildly degraded and are no longer suitable for use for their intended purpose.