公开(公告)号：US12173238B2

公开(公告)日：2024-12-24

申请号：US17349432

申请日：2021-06-16

Applicant: UOP LLC

Inventor： Krishan Pratap Jadaun ,  Hari S. Bajpai ,  Krishna Mani

IPC: C10G3/00 ,  C10G31/08 ,  C10G67/02

Abstract: A process for hydrotreating a renewable feedstock with improved carbon monoxide management is disclosed. A mixture of renewable feedstock and hydrocarbon feedstock is treated in a hydrotreating reactor to produce a hydrotreated effluent stream and contacting the hydrotreated effluent stream with a water gas shift catalyst bed to produce a shift reactor effluent stream. The shift reactor effluent stream is passed to a cold separator to recover a cold vapor stream and recycling the cold vapor stream having reduced concentration of carbon monoxide to the hydrotreating zone. The subject matter disclosed provides an improved process and apparatus to reduce the accumulation of CO by converting CO present in the hydrotreated effluent stream to CO2 using the water shift gas reaction.

公开(公告)号：US20240132785A1

公开(公告)日：2024-04-25

申请号：US18395128

申请日：2023-12-22

Applicant: UOP LLC

Inventor： Andrea G. Bozzano ,  Krishan Pratap Jadaun ,  Krishna Mani ,  Stanley Joseph Frey

IPC: C10G3/00 ,  C07C2/64 ,  C07C2/76 ,  C07C15/107 ,  C10G45/02 ,  C10G45/58

CPC classification number: C10G3/50 ,  C07C2/64 ,  C07C2/76 ,  C07C15/107 ,  C10G3/42 ,  C10G45/02 ,  C10G45/58 ,  C10G2300/1014 ,  C10G2300/1051 ,  C10G2400/04 ,  C10G2400/08 ,  C10G2400/30

Abstract: Hydrodeoxygenating a biorenewable feed that is concentrated in free fatty acids with 12 and 14 carbon atoms at a moderate hydrodeoxygenation ratio that is less than the ratio of hydrodeoxygenation utilized for traditional biorenewable feeds such as vegetable oil or even mineral feedstocks, normal paraffins in the range desired by the detergents industry can be produced. Either hydroisomerization or an iso-normal separation can be performed to provide green fuel streams. Two reactors are proposed, one for hydrodeoxygenation of the biorenewable feed that is concentrated in free fatty acids with 12 and 14 carbon atoms and the other for a traditional biorenewable feed or even a mineral feed operated at a higher deoxygenation ratio.

公开(公告)号：US11104855B2

公开(公告)日：2021-08-31

申请号：US16558060

申请日：2019-08-31

Applicant: UOP LLC

Inventor： Stanley Joseph Frey ,  Krishna Mani ,  Krishan Pratap Jadaun ,  Gautam Pandey ,  Mousumi Chanda

IPC: C10G65/12 ,  C10G69/10

Abstract: Processes for co-processing a naphtha stream with a light cycle oil stream are disclosed. The processes include hydrocracking the light cycle oil stream under hydrocracking conditions to provide a hydrocracked effluent stream. A naphtha stream is hydrotreated under hydrotreating conditions to provide a hydrotreated effluent stream. The hydrocracked effluent stream and the hydrotreated effluent stream may be passed to a stripping column to recover a stripping bottom stream. The stripping bottom stream may be passed to a main fractionation column to recover an intermediate naphtha stream.

公开(公告)号：US20180044600A1

公开(公告)日：2018-02-15

申请号：US15798361

申请日：2017-10-30

Applicant: UOP LLC

Inventor： Steven F. Zink ,  Krishna Mani ,  Krishan Pratap Jadaun ,  Soumendra Mohan Banerjee

IPC: C10G69/04

CPC classification number: C10G69/04 ,  B01J38/12 ,  C10G11/18 ,  C10G45/32 ,  C10G2300/205

Abstract: The present invention discloses a process and apparatus for selectively hydrogenating diolefins in a cracked stream. The method combines a conversion unit and a recovery section. The recovery section includes the diolefin hydrogenation reactor that is used to selectively hydrogenate the diolefins in the cracked naphtha. The diolefin depleted naphtha may be debutanized to separate the stabilized naphtha and liquefied petroleum gas streams.