Electric power co-generation for chemical and physical processes with steam utilization

Patent metadata

Field	Value
Publication number	US-2026009345-A1
Application number	US-202318841570-A
Country	US
Kind code	A1
Filing date	Mar 1, 2023
Priority date	Mar 1, 2022
Publication date	Jan 8, 2026
Grant date	—

Abstract

An exemplary system may be configured to provide steam. Exemplary systems may comprise a water source in fluid communication with a pump. The pump may be in fluid communication with a first heat exchanger, which may be in fluid communication with a power generator, which may be a turbine. The power generator may be in fluid communication with a second heat exchanger. An outlet of the second heat exchanger may be in fluid communication with a reactor system.

First claim

What is claimed is:

1 . A system configured to provide steam, the system comprising:
a water source in fluid communication with a pump; a first heat exchanger in fluid communication with the pump; a power generator in fluid communication with the first heat exchanger, the power generator configured to generate electric power using fluid from the first heat exchanger; a second heat exchanger in fluid communication with the power generator; and a reactor system in fluid communication with an outlet of the second heat exchanger.

2 . The system according to claim 1 , the reactor system being selected from: a steam methane reforming (SMR) system, an auto-thermal reforming (ATR) system, a water-gas shift (WGS) system, an integrated gasification combined cycle (IGCC) system, a steam cracking system, a petroleum refining system, an enhanced oil recovery system, a chemical looping hydrogen generation in a 3-reactor system (CLHG-3R), and a chemical looping combustion combined with steam methane reforming (CLC-SMR) system.

3 . The system according to claim 2 , the reactor system being the steam methane reforming (SMR) system, and further comprising an inlet to a steam reforming reactor configured to receive natural gas and steam from the second heat exchanger.

4 . The system according to claim 2 , the reactor system being the chemical looping hydrogen generation in the 3-reactor system (CLHG-3R), and further comprising a first inlet to an oxidizer reactor configured to receive steam from the second heat exchanger and a second inlet to the oxidizer reactor configured to receive material from a reducer reactor.

5 . The system according to claim 1 , wherein the second heat exchanger is a condenser or a heater.

6 . The system according to claim 1 , further comprising a combustion stream from the reactor system in fluid communication with the first heat exchanger.

7 . The system according to claim 6 , further comprising a combustion stream from the reactor system in fluid communication with the second heat exchanger.

8 . The system according to claim 1 , wherein the power generator is a turbine.

9 . A method of operating a system, the method comprising:
increasing a pressure of water from a water source with a pump; providing the pressurized water from the pump to a first heat exchanger; in the first heat exchanger, heating the pressurized water to generate pressurized steam; providing the pressurized steam to a power generator; with the power generator, producing electricity using the pressurized steam; providing an outlet stream of the power generator to a second heat exchanger, in the second heat exchanger, adjusting a temperature of the outlet stream of the power generator; and providing an outlet stream of the second heat exchanger to a reactor system.

10 . The method according to claim 9 , wherein the power generator is a turbine and the pressurized steam turns one or more blades of the turbine.

11 . The method according to claim 10 , wherein the reactor system is selected from: a steam methane reforming (SMR) system, an auto-thermal reforming (ATR) system, a water-gas shift (WGS) system, an integrated gasification combined cycle (IGCC) system, a steam cracking system, a petroleum refining reactor system, an enhanced oil recovery system, a chemical looping hydrogen generation in a 3-reactor system (CLHG-3R), and a chemical looping combustion combined with steam methane reforming (CLC-SMR) system.

12 . The method according to claim 9 , wherein the pressurized water from the pump has a pressure between 1 MPa to 20 MPa.

13 . The method according to claim 9 , wherein the pressurized steam from an outlet of the first heat exchanger has a temperature between 100° C. to 1000° C.

14 . The method according to claim 9 , wherein the outlet stream of the power generator has a pressure between 0.005 MPa to 6 MPa.

15 . The method according to claim 9 , wherein the outlet stream of the power generator has a temperature between 100° C. to 700° C.

16 . The method according to claim 9 , the second heat exchanger comprising a second hot stream inlet, second hot stream outlet, a second cold stream inlet, and a second cold stream outlet, and the method further comprising:
receiving a combustion stream from the reactor system at the second hot stream inlet; and receiving the outlet stream from the power generator at second cold stream inlet.

17 . The method according to claim 9 , the first heat exchanger comprising a first hot stream inlet, a first hot stream outlet, a first cold stream inlet, and a first cold stream outlet, and the method further comprising:
receiving a combustion stream from the reactor system in the first hot stream inlet; and receiving the water from the pump at the first cold stream inlet.

18 . The method according to claim 17 , further comprising:
combusting natural gas or recycled tail gas in the reactor system, thereby producing the combustion stream.

19 . The method according to claim 9 , further comprising:
combining the outlet of the second heat exchanger with a natural gas stream to generate a feedstock; and providing the feedstock to a reforming reactor.

20 . The method according to claim 9 , further comprising:
providing the outlet of the second heat exchanger to an oxidizer reactor.

Assignees

• Ohio State Innovation Foundation

Inventors

• Fan Liang-Shih
• Zhang Qiaochu

Classifications

• F01K13/00

  General layout or general methods of operation of complete plants · CPC title

• F01K3/188 Primary

  using heat from a specified chemical reaction · CPC title