Reactor system with unequal reactor assembly operating pressures

Patent metadata

Field	Value
Publication number	US-2020156032-A1
Application number	US-201816634844-A
Country	US
Kind code	A1
Filing date	Jul 31, 2018
Priority date	Jul 31, 2017
Publication date	May 21, 2020
Grant date	—

Abstract

A reactor system comprising a first reactor assembly, a first pressure transition assembly, a second reactor assembly and a second pressure transition assembly.

First claim

1 . A reactor system, comprising:
a first reactor assembly, which comprises one or more first reactor assembly reactors, each configured to operate at a pressure P 1 , wherein the first reactor assembly is configured to receive first solid particles at the pressure P 1 , convert the first solid particles at the pressure P 1 to second solid particles at the pressure P 1 , and discharge the second solid particles at the pressure P 1 ; a first pressure transition assembly in fluid communication with the first reactor assembly and a second reactor assembly, wherein the first pressure transition assembly is configured to receive the second solid particles at the pressure P 1 , transition the pressure surrounding the second solid particles from the pressure P 1 to a pressure P 2 that is different from the pressure P 1 , and discharge the second solid particles at the pressure P 2 ; the second reactor assembly, which comprises one or more second reactor assembly reactors, each configured to operate at the pressure P 2 , wherein the second reactor assembly is configured to receive the second solid particles at the pressure P 2 , convert the second solid particles at the pressure P 2 to third solid particles at the pressure P 2 , and discharge the third solid particles at the pressure P 2 ; a second pressure transition assembly in fluid communication with the second reactor assembly and the first reactor assembly, the second pressure transition assembly configured to receive third solid particles at the pressure P 2 , transition the pressure surrounding the third solid particles from the pressure P 2 to a pressure P 3 that is different from the pressure P 2 , and discharge the third solid particles at the pressure P 3 from the second pressure transition assembly.

2 . The reactor system of claim 1 , wherein the first reactor assembly comprises a first reactor that includes:
a first reactor inlet configured to receive a first reactor feedstock that chemically, physically, or chemically and physically reacts with solid particles within the first reactor to form the second solid particles at the pressure P 1 ; and a first reactor solids outlet configured to discharge the second solid particles at the pressure P 1 .

3 . The reactor system of claim 2 , wherein the first reactor feedstock chemically, physically, or chemically and physically reacts with solid particles within the first reactor to further form a first reactor product, and wherein the first reactor further comprises a first reactor product outlet configured to discharge the first reactor product at the pressure P 1 .

4 . The reactor system of claim 1 , wherein the second reactor assembly comprises a second reactor that includes a second reactor solids outlet configured to discharge the third solid particles at the pressure P 2 .

5 . The reactor system of claim 4 , wherein the second reactor further includes a second reactor inlet configured to receive a second reactor feedstock that chemically, physically, or chemically and physically reacts with solid particles within the second reactor to form the third solid particles at the pressure P 2 .

6 . The reactor system of claim 4 , wherein the second reactor further includes a second reactor outlet configured to discharge a second reactor product at the pressure P 2 .

7 . The reactor system of claim 1 , wherein the pressure P 3 is the same as the pressure P 1 , such that the second pressure transition assembly is configured to transition the pressure surrounding the third solid particles from the pressure P 2 to the pressure P 1 and discharge the third solid particles at the pressure P 1 from the second pressure transition assembly, and wherein the third solid particles at the pressure P 1 are the first solid particles at the pressure P 1 received by the first reactor assembly.

8 . The reactor of claim 1 , wherein the first solid particles are metal oxide particles, the second solid particles are reduced metal oxide particles, and the third solid particles are oxidized metal oxide particles.

9 . The reactor system according to claim 1 , wherein P 2 is less than P 1 .

10 . The reactor system of claim 1 , further comprising a gas-solids separation unit between and in fluid communication with the second reactor assembly and the first reactor assembly, the gas-solids separation unit including a separation unit solids inlet configured to receive the third solid particles at either the pressure P 2 or the pressure P 3 , a separation unit gas outlet configured to discharge gas surrounding the third particles from the gas-solids separation unit, and a separation unit solids outlet configured to discharge the third particles at either the pressure P 2 or the pressure P 3 , respectively, from the gas-solids separation unit.

11 . The reactor system of claim 1 , further comprising:
a third reactor assembly, which comprises one or more third reactor assembly reactors, each configured to operate at the pressure P 3 , wherein the third reactor assembly is configured to receive the third solid particles at the pressure P 3 , convert the third solid particles at the pressure P 3 to the first solid particles at the pressure P 3 , and discharge the first solid particles at the pressure P 3 ; and a third pressure transition assembly in fluid communication with the third reactor assembly and the first reactor assembly, the third pressure transition assembly configured to receive the first solid particles at the pressure P 3 , transition the pressure surrounding the first solid particles from the pressure P 3 to the pressure P 1 , and discharge the first solid particles at the pressure P 1 from the third transition assembly.

12 . The reactor system of claim 1 , wherein the first pressure transition assembly includes:
a first nonmechanical valve, a first mechanical valve, a second nonmechanical valve and a second mechanical valve, wherein the first nonmechanical valve is positioned between and in fluid communication with the first reactor assembly and the first mechanical valve, the first mechanical valve is operable in an open and a closed position, the second nonmechanical valve is positioned between and in fluid communication with the first nonmechanical valve and the first mechanical valve, and the second mechanical valve is operable in an open and closed position, and wherein the second nonmechanical valve further includes a second nonmechanical valve gas inlet for receiving pressurized inert gas that is operable in an open and closed position, and a second nonmechanical valve gas outlet for releasing pressurized gas that is operable in an open and closed position.

13 . The reactor system of claim 12 , wherein the first pressure transition assembly further comprises at least one additional nonmechanical valve in fluid communication with and positioned between:
the first reactor assembly and the first nonmechanical valve; the first nonmechanical valve and the first mechanical valve; the first mechanical valve and the second nonmechanical valve; the second nonmechanical valve and the second mechanical valve; and the second mechanical valve and the second reactor assembly.

14 . The reactor system of claim 12 , wherein the first pressure transition assembly operates in:
a first mode wherein the pressure within the first and second nonmechanical valves is P 1 , the first mechanical valve is in a closed position, and a first plurality of the second solid particles at the pressure P 1 are received by the first nonmechanical valve in a manner that prevents the first plurality of the second solid particles at the pressure P 1 from co

Assignees

• Ohio State Innovation Foundation

Inventors

• Fan Liang-Shih
• Wang Dawei
• Kathe Mandar

Classifications

• B01J2208/00778

  Kinetic energy reducing devices in the flow channel · CPC title

• C01B2203/042

  Purification by adsorption on solids · CPC title

• C01B2203/047

  the impurity being carbon monoxide · CPC title

• B01D2257/502

  Carbon monoxide · CPC title

• C01B2203/0283

  containing a CO-shift step, i.e. a water gas shift step · CPC title