公开(公告)号：US20240165534A1

公开(公告)日：2024-05-23

申请号：US18509116

申请日：2023-11-14

Applicant: UOP LLC

Inventor： Sudipta K. Ghosh ,  Prashant Balyan ,  Xin X. Zhu

IPC: B01D3/14 ,  B01D3/00 ,  B01D3/32 ,  B01D3/42 ,  C07C7/04 ,  C07C9/08 ,  C07C11/06

CPC classification number: B01D3/143 ,  B01D3/009 ,  B01D3/141 ,  B01D3/32 ,  B01D3/42 ,  C07C7/04 ,  C07C9/08 ,  C07C11/06

Abstract: A process and apparatus integrate recovery of propylene from a pyrolysis reactor and a paraffin dehydrogenation reactor. A common depropanizer fractionates propane feed and pyrolysis reactor effluent to provide a C3 stream. A dividing wall may be used in the column to prevent cross contamination by the pyrolysis effluent with the propane dehydrogenation feed.

公开(公告)号：US20240166580A1

公开(公告)日：2024-05-23

申请号：US18510171

申请日：2023-11-15

Applicant: UOP LLC

Inventor： Sudipta K. Ghosh ,  Prashant Balyan ,  Xin X. Zhu ,  Kyle Cuellar ,  Fuyue Stephanie Li ,  Ernest J. Boehm

IPC: C07C7/00 ,  C07C7/04

CPC classification number: C07C7/005 ,  C07C7/04

Abstract: A process and apparatus integrate recovery of propylene from a pyrolysis reactor and a paraffin dehydrogenation reactor. A common C3 splitter column fractionates propylene product from propane recycle to a paraffin dehydrogenation reactor. The C3 hydrocarbons may be provided from a pyrolysis reactor and from a dehydrogenation reactor.

公开(公告)号：US20240166582A1

公开(公告)日：2024-05-23

申请号：US18510244

申请日：2023-11-15

Applicant: UOP LLC

Inventor： Ernest J. Boehm ,  Sudipta K. Ghosh ,  Prashant Balyan ,  Xin X. Zhu ,  Kyle Cuellar

IPC: C07C7/09 ,  B01D3/00 ,  B01D3/14 ,  B01J6/00

CPC classification number: C07C7/09 ,  B01D3/007 ,  B01D3/143 ,  B01J6/008

Abstract: A process and apparatus cool a pyrolyzed stream and a dehydrogenated stream in respective cold boxes by use of a refrigerant compressed with a common compressor. The refrigerant is compressed and used to cool a pyrolysis cold box and a dehydrogenation cold box.

公开(公告)号：US20240166581A1

公开(公告)日：2024-05-23

申请号：US18510095

申请日：2023-11-15

Applicant: UOP LLC

Inventor： Sudipta K. Ghosh ,  Prashant Balyan ,  Xin X. Zhu ,  Kyle Cuellar ,  Fuyue Stephanie Li ,  Ernest J. Boehm

IPC: C07C7/09 ,  B01D3/14 ,  B01J6/00 ,  B01J19/24 ,  C07C5/327

CPC classification number: C07C7/09 ,  B01D3/143 ,  B01J6/008 ,  B01J19/245 ,  C07C5/327

Abstract: A process and apparatus integrate recovery of propylene from a pyrolysis reactor and a paraffin dehydrogenation reactor. A stripping column for fractionating a dehydrogenation stream is coupled with a demethanizer column for fractionating a pyrolyzed stream. The stripping overhead stream comprising C2− hydrocarbons are fractionated with the pyrolyzed stream in the demethanizer column. The coupling omits the need for a conventional deethanizer column and separate refrigeration system in the propane dehydrogenation unit.

公开(公告)号：US20240165551A1

公开(公告)日：2024-05-23

申请号：US18510311

申请日：2023-11-15

Applicant: UOP LLC

Inventor： Ernest J. Boehm ,  Sudipta K. Ghosh ,  Prashant Balyan ,  Xin X. Zhu ,  Kyle Cuellar

IPC: B01D53/00 ,  B01D3/14

CPC classification number: B01D53/002 ,  B01D3/143 ,  C07C5/327

Abstract: A process and apparatus integrate recovery of propylene from a pyrolysis reactor and a paraffin dehydrogenation reactor. The improved process for recovering light olefins utilizes heats of compression to heat reboil streams.