公开(公告)号：US20240352344A1

公开(公告)日：2024-10-24

申请号：US18685286

申请日：2022-09-14

申请人： SHELL USA, INC.

发明人： Pui Yiu Ben CHAN ,  Venkatesh THYAGARAJAN ,  Edmundo Steven VAN DOESBURG ,  Rubin Keith WHITT ,  Artur YARULIN

IPC分类号： C10G49/22

CPC分类号： C10G49/22 ,  C10G2300/1003 ,  C10G2300/1011 ,  C10G2300/4081

摘要： A process for improving yield of kerosene from a renewable feedstock involves directing a hydroprocessed liquid stream to a lead stripper to separate a lead stripper bottoms stream and a lead stripper overhead stream comprising naphtha, lower and higher boiling point range hydrocarbons and water. Bulk water is removed from the lead stripper overhead stream resulting in an unstabilized hydrocarbon stream, which is passed to a stabilization column to separate a stabilized naphtha-containing stream from the lower boiling point range hydrocarbons. The stabilized naphtha-containing stream is passed to a rectification column to separate a rectification bottoms stream and a naphtha product stream. Kerosene and diesel boiling range product streams are separated from the lead stripper bottoms stream in a vacuum fractionator.