公开(公告)号：US11512257B1

公开(公告)日：2022-11-29

申请号：US17484042

申请日：2021-09-24

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： David Spicer ,  Thomas T. Hirst ,  James L. Kendall ,  You Fang ,  Steven M. Slack

IPC: C10G9/36 ,  C01B3/34 ,  C01B3/52

Abstract: An H2-rich fuel gas production plant comprising a syngas production unit can be advantageously integrated with an olefins production plant comprising a steam cracker in at least one of the following: (i) fuel gas supply and consumption; (ii) feed supply and consumption; and (iii) steam supply and consumption, to achieve considerable savings in capital and operational costs, enhanced energy efficiency, and reduced CO2 emissions, compared to operating the plants separately.

公开(公告)号：US20240060716A1

公开(公告)日：2024-02-22

申请号：US18260870

申请日：2022-01-18

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： You Fang ,  Mohsen N. Harandi

IPC: F25J3/02

CPC classification number: F25J3/0214 ,  F25J3/0233 ,  F25J3/0238 ,  F25J2200/02 ,  F25J2200/70 ,  F25J2200/72 ,  F25J2200/76 ,  F25J2205/04 ,  F25J2235/60 ,  F25J2215/60 ,  F25J2260/60

Abstract: Disclosed are simplified and energy-efficient distillation processes and systems for separating a liquefied natural gas stream to obtain a natural gas stream and a national gas liquid stream. Substantial savings in construction costs and operation energy consumption can be achieved by using the processes and systems of this disclosure. Preferably the separation processes are integrated with other industrial processes such as petroleum refining, petrochemical production, chemical production, and the like.

公开(公告)号：US11498834B1

公开(公告)日：2022-11-15

申请号：US17483939

申请日：2021-09-24

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： David Spicer ,  Thomas T. Hirst ,  James L. Kendall ,  You Fang

IPC: C01B3/38 ,  C07C4/02

Abstract: An H2-rich fuel gas stream can be advantageously produced by reforming a hydrocarbon/steam mixture in to produce a reformed stream, followed by cooling the reformed stream in a waste-heat recovery unit to produce a high-pressure steam stream, shifting the cooled reformed stream a first shifted stream, cooling the first shifted stream, shifting the cooled first shifted stream to produce a second shifted stream, cooling the second shifted stream, abating water from the cooled second shifted stream to obtain a crude gas mixture stream comprising H2 and CO2, and recovering a CO2 stream from the crude gas mixture stream. The H2-rich stream can be advantageously combusted to provide thermal energy needed for residential, office, and/or industrial applications including in the H2-rich fuel gas production process. The H2-rich fuel gas production process can be advantageously integrated with an olefins production plant comprising a steam cracker.