公开(公告)号：US20240309275A1

公开(公告)日：2024-09-19

申请号：US18605195

申请日：2024-03-14

申请人： BRASKEM S.A.

发明人： Daniela Kreusburg Molina ,  Cristiano Sá Brito Cardoso

IPC分类号： C10G7/12 ,  B01D3/42 ,  B01J8/02 ,  C10G11/05 ,  C10G11/20

CPC分类号： C10G7/12 ,  B01D3/4205 ,  B01J8/0242 ,  C10G11/05 ,  C10G11/20 ,  B01J2208/027 ,  C10G2300/1003 ,  C10G2300/301 ,  C10G2300/4006 ,  C10G2300/4012 ,  C10G2300/4081 ,  C10G2300/70 ,  C10G2400/04

摘要： This invention relates to a process for recovering a liquid product from a pyrolysis stream. The process comprises preheating a pyrolysis stream comprising a mixture of hydrocarbons; distilling the preheated pyrolysis stream in a distillation column to produce one or more streams including a top stream at the top of the distillation column; cooling the top stream withdrawn from the distillation column in a condenser; refluxing the stream that has exited the condenser in a reflux vessel; and withdrawing at least part of a liquid product from the bottom of the reflux vessel to recover a liquid naphtha or naphtha-like product. The invention also relates to various recovered liquid products produced from the process described herein. The invention also relates to an apparatus for recovering liquid products from a pyrolysis stream, comprising a preheater; a distillation column that does not contain a reboiler; a condenser; and a reflux vessel.