Reactor System for the Production of High Value Chemical Products

Patent metadata

Field	Value
Publication number	US-2023123799-A1
Application number	US-202117626951-A
Country	US
Kind code	A1
Filing date	Jul 6, 2021
Priority date	Jul 6, 2020
Publication date	Apr 20, 2023
Grant date	—

Abstract

The invention is directed to a chemical reactor (100) having (a) two or more gas reactor elements (12) with each gas reactor element (12) having (i) a first reaction chamber (38), and (ii) a feed assembly unit (36), (b) a second reaction chamber (20) coupled with each of the two or more gas reactor elements (12) and configured to independently receive two or more product streams from the two or more gas reactor elements (12); and optionally, (c) a gas converging section (40) located downstream to the second reaction chamber (20). The invention is further directed to a method of producing chemical products using the chemical reactor (100) of the present invention.

First claim

What is claimed is:

1 . A chemical reactor, comprising:
a. two or more gas reactor elements, wherein each of the gas reactor element comprises:
i. a first reaction chamber having (1) an upstream end, and (2) a downstream end, wherein the first reaction chamber is defined by a first reactor wall surrounding a first central longitudinal axis, wherein the first reaction chamber has an opening located at the downstream end of the first reaction chamber;
ii. a feed assembly unit, surrounding the first central longitudinal axis and operably connected with the first reaction chamber, wherein the feed assembly unit, comprises: 1) a mixing chamber defined by one or more feed assembly walls surrounding the first central longitudinal axis, wherein the mixing chamber is operably connected to the upstream end of the first reaction chamber, and at least one feed assembly wall is operably connected with the first reactor wall; and 2) two or more feed inlet flow spaces, each in fluid communication with the mixing chamber, and are configured to inject a feed stream into the mixing chamber at radial and/or non-radial direction with regard to the first central longitudinal axis;
b. a second reaction chamber coupled with each of the two or more gas reactor elements, and configured to independently receive two or more product streams from the two or more gas reactor elements, wherein the second reaction chamber has (i) a second central longitudinal axis, (ii) a downstream end, and (iii) an upstream end, and further wherein, the second reaction chamber is defined by:  (1) a second reactor wall surrounding the second central longitudinal axis, and extending from the upstream end of the second reaction chamber to the downstream end of the second reaction chamber;  (2) a bottom plate extending across the second central longitudinal axis, and located at the upstream end of the second reaction chamber, wherein the bottom plate is joined perimetrically with the second reactor wall; further wherein, the opening of each of the first reaction chamber forms a second reaction chamber inlet located at the upstream end of the second reaction chamber so that the first reaction chamber is in fluid communication with the second reaction chamber; and (3) one or more product outlets operably connected with the downstream end of the second reaction chamber; and
wherein, for each of the two or more gas reactor elements, the first reaction chamber has a length ranging from 1 R to 10 R, wherein ‘R’ is a radius of a circle, with the plane of the circle being oriented perpendicular to the first central axis, and the circle having a maximum radius that can be inscribed within the opening located at the downstream end of the first reaction chamber, and further wherein, the angle formed between the first central longitudinal axis and the second central longitudinal axis ranges from including 0° to less than 180°.

2 . The chemical reactor of claim 1 , wherein for each of the two or more gas reactor elements, the opening located at the downstream end of the first reaction chamber has an annular configuration with a radius ‘R’.

3 . The chemical reactor of claim 1 , wherein the chemical reactor further comprises a gas converging section located downstream to the second reaction chamber having (i) a downstream end in fluid communication with one or more product outlets, and (ii) an upstream end in fluid communication with the downstream end of the second reaction chamber, and (iii) a central axis substantially co-axial to the second central longitudinal axis, wherein the gas converging section is defined by a wall surrounding the central axis, wherein the wall of the gas converging section, is joined perimetrically with the second reactor wall at the downstream end of the second reaction chamber.

4 . The chemical reactor of claim 1 , wherein the feed assembly unit comprises:
a. a downstream feed assembly wall, operably connected with the first reactor wall, wherein the downstream feed assembly wall surrounds the first central longitudinal axis; b. an upstream feed assembly wall that is axially spaced upstream from the downstream feed assembly wall and surrounds the first central longitudinal axis; wherein the downstream feed assembly wall and the upstream feed assembly wall together defines in part, the mixing chamber for mixing two or more feed streams, wherein the mixing chamber is operably connected to the upstream end of the first reaction chamber; and c. two or more feed inlet flow spaces, each in fluid communication with the mixing chamber, and each configured to inject a feed stream into the mixing chamber at radial and/or non-radial direction with regard to the first central longitudinal axis.

5 . The chemical reactor of claim 1 , wherein, the distance between any two adjacent gas reactor elements, ranges from 0.5 R to 5 R, wherein ‘R’ is a radius of a circle, with the plane of the circle being oriented perpendicular to the first central axis, and the circle having a maximum radius that can be inscribed within the opening located at the downstream end of the first reaction chamber.

6 . The chemical reactor of claim 1 , wherein the angle formed between the first central longitudinal axis and the second central longitudinal axis ranges from 0° to 90°.

7 . The chemical reactor of claim 1 , wherein the bottom plate has two or more plate openings, each coupled to the opening of a first reaction chamber of a gas reactor element, so that two or more second reaction chamber inlets are positioned at the bottom plate.

8 . The chemical reactor of claim 1 , wherein the second reactor wall has two or more wall openings, each coupled to the opening of a first reaction chamber of a gas reactor element so that two or more second reaction chamber inlets are positioned at the second reactor wall.

9 . The chemical reactor of claim 1 , wherein the chemical reactor comprises at least 3 gas reactor elements and at most 200 gas reactor elements.

10 . The chemical reactor of claim 1 , wherein the value of ‘R’ ranges from 0.05 meter to 20 meters.

11 . The chemical reactor of claim 1 , wherein each feed inlet flow space is provided with a circumferentially spaced apart guide vanes, oriented to facilitate a feed stream to flow radially in a spiraling fluid flow pattern, with regard to the first central longitudinal axis.

12 . The chemical reactor of claim 1 , wherein each gas reactor element further comprises a reactor inlet assembly located between the first reaction chamber and the feed assembly unit, wherein the reactor inlet assembly comprises a conduit defined by a circumferential wall surrounding the first central longitudinal axis and extending from an upstream end to an opposite downstream end of the conduit, wherein, i) the downstream end of the conduit is in fluid communication with the upstream end of the first reaction chamber, and ii) the upstream end of the conduit is in fluid communication with the mixing chamber, further wherein, the downstream feed assembly wall joins the circumferential wall of the conduit at the upstream end of the conduit and the first reactor wall perimetrically joins the circumferential wall of the conduit at the downstream end of the conduit.

13 . The chemical reactor of claim 1 , wherein the conduit of the reactor inlet assembly has a circumferential wall of tapering width extending from the downstream end and the upstream end of the conduit, to an annular constricted neck portion, located between the downstream end and the upstream end of the conduit.

14 . The chemical reactor of claim 1 , wherein each feed inlet flow space is coupled to a m

Assignees

• Sabic Global Technologies Bv

Inventors

• Chen Lei
• Pannala Sreekanth
• West David

Classifications

• B01J2204/002

  the feeding side being of particular interest · CPC title

• B01J4/005 Primary

  provided with baffles · CPC title

• B01J19/2445

  placed in parallel · CPC title

• B01J2219/00085

  Plates; Jackets; Cylinders · CPC title

• B01J2219/00166

  controlling the residence time inside the reactor vessel · CPC title