NEW HYDROCRACKING PROCESS FOR THE PRODUCTION OF HIGH QUALITYDISTILLATES FROM HEAVY GAS OILS

摘要

This invention is directed to processes for the conversion of material (1) boiling in the Vacuum Gas Oil boiling to high quality middle distillates and/or naphtha and lighter products, and more particularly to a multiple sta ge process using a single hydrogen loop. One embodiment is directed to the use of hot strippers (8) and separators between first and second stages, while seco nd embodiment is directed to temperature control between hydrocracking and hydrotreating zones. All embodiments employ a single hydrogen loop.