Apparatus and method for continuous catalytic reactive distillation and on-line regeneration of catalyst

• US 20060260927A1
• Filed: 05/19/2005
• Published: 11/23/2006
• Est. Priority Date: 05/19/2005
• Status: Abandoned Application

• Current Assignee: MPM Technology LP
• Original Assignee: MPM Technology LP
• Inventors: Abazajian, Armen
• Application Number:
  US11/132,954
• Publication Number:
  US 20060260927A1
• Time in Patent Office: Days
• US Class Current: 203/29
• CPC Class Codes: B01D 3/009 in combination with chemical reactions

Abstract

Apparatus and method for catalytic reactive distillation and on-line regeneration of solid supported catalyst used in the reactive distillation process comprising a distillation column formed into 1^st and 2^nd functional parts with vapor and fluid connections to 1^st and 2^nd functional parts and at least one catalytic distillation reactor containing catalyst connected to the vapor and fluid connections and a catalyst regenerator connected to the at least one catalyst distillation reactor for regenerating the catalyst using the method of operating the catalytic distillation reactor to catalyst deactivation and switching communication off to the distillation column and on to the catalyst regenerator for regeneration of catalyst and returning the catalytic distillation reactor to the distillation column.

Claims

1. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process comprising;

a. a distillation column,

b. a means for re-boiling,

c. a means for condensing,

d. a means for vapor/liquid contacting,

e. at least one functional separation of said distillation column into at least 1^st and 2^nd functional parts,

f. at least one vapor connection for fluid communication with said at least 1^st functional part of said distillation column,

g. at least one liquid connection for fluid communication with said at least 1^st functional part of said distillation column,

h. at least one vapor connection for fluid communication with said at least 2^nd functional part of said distillation column,

i. at least one liquid connection for fluid communication with said at least 2^nd functional part of said distillation column,

j. at least one catalytic distillation reactor containing solid-supported catalyst in communication with said at least one vapor connection and said at least one liquid connection for fluid communication with said at least 1^st and 2^nd functional parts of said distillation column, and

k. at least one catalyst regenerating means connected to said at least one catalyst distillation reactor containing solid-supported catalyst for regenerating said catalyst after said catalyst is deactivated.

2. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 1 wherein said at least one catalytic distillation reactor further comprises,

a. at least one catalytic distillation reactor of severe design for allowing operating conditions for both regeneration and catalytic distillation to be run therein.

3. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 2 wherein said at least one catalytic distillation reactor of severe design further comprises,

a. at least one catalytic distillation reactor containing solid-supported catalyst in communication with said at least one vapor connection and said at least one liquid connection for fluid communication with said at least 1^st and 2^nd functional parts of said distillation column located outside said distillation column.

4. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 3 further comprising;

a. at least another catalytic distillation reactor containing solid-supported catalyst in communication with said at least one vapor connection and said at least one liquid connection for fluid communication with said at least 1^st and 2^nd functional parts of said distillation column

5. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 4 wherein said at least another catalytic distillation reactor further comprises;

a. at least another catalytic distillation reactor of severe design for allowing operating conditions for both regeneration and catalytic distillation to be run therein.

6. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 5 wherein said at least another catalytic distillation reactor of severe design further comprises;

a. At least another catalytic distillation reactor containing solid-supported catalyst in communication with said at least one vapor connection and said at least one liquid connection for fluid communication with said at least 1^st and 2^nd parts of said distillation column located outside said distillation column.

7. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 6 wherein at least one functional separation of said distillation column into at least 1^st and 2^nd functional parts further comprises;

a. at least one partition for separating said distillation column into at least 1^st and 2^nd functional parts.

8. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 7 further comprising;

a. at least one 1^st control means functionally connected between said at least one vapor connection and said at least one liquid connection for fluid communication with said at least 1^st part of said distillation column for controlled communication on and off between said distillation column and said at least one catalytic distillation reactor,

b. a least one 2^nd control means functionally connected between said at least one vapor connection and said at least one liquid connection for fluid communication with said at least 2^nd part of said distillation column for controlled communication on and off between said distillation column, and said at least one catalytic distillation reactor, and

c. at least one 3^rd control means functionally connected between said at least one catalysts regenerating and said at least one catalytic distillation reactor for controlled communication on and off there between.

9. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 8 wherein at least one catalytic distillation reactor of severe design further comprises;

a. at least one catalytic distillation reactor of severe design for allowing operating conditions for both regeneration and catalytic distillation operating temperature conditions in a range of 30 degrees F. to 1500 degrees F. to be run therein.

10. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 9 wherein at least one catalytic distillation reactor of severe design further comprises;

a. at least one catalytic distillation reactor of severe design for allowing operating conditions for both regeneration and catalytic distillation operating temperature conditions in a range of 50 degrees F. to 1200 degrees F. to be run therein.

11. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 10 wherein at least one catalytic distillation reactor of severe design further comprises;

a. at least one catalytic distillation reactor of severe design for allowing operating conditions for both regeneration and catalytic distillation operating pressure conditions in a range of 0.01 psia to 1000 psia to be run therein.

12. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 11 wherein at least one catalytic distillation reactor of severe design further comprises;

a. at least one catalytic distillation reactor of severe design for allowing operating conditions for both regeneration and catalytic distillation operating pressure conditions in a range of 0.10 psia to 500 psia to be run therein.

13. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 7 wherein at least one functional separation of said distillation column into at least 1^st and 2^nd functional parts further comprises;

a. at least one partition for separating said distillation column into at least 1^st and 2^nd functional parts and for allowing at least one vapor connection for communication therethrough.

14. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 13 further comprising;

a. at least one 1st control means functionally connected between said at least one liquid connection for fluid communication with said at least 1st part of said distillation column for controlled communication on and off between said distillation column and said at least one catalytic distillation reactor,

b. at least one 2nd control means functionally connected between said at least one vapor connection and said at least one liquid connection for fluid communication with said at least 2nd part of said distillation column for controlled communication on and off between said distillation column, and said at least one catalytic distillation reactor, and

c. at least one 3rd control means functionally connected between said at least one catalysts regenerating and said at least one catalytic distillation reactor for controlled communication on and off there between.

15. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 14 wherein at least one catalytic distillation reactor of severe design further comprises;

a. at least one catalytic distillation reactor of severe design for allowing operating conditions for both regeneration and catalytic distillation operating temperature conditions in a range of 30 degrees F. to 1500 degrees F. to be run therein

16. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 15 wherein at least one catalytic distillation reactor of severe design further comprises;

a. at least one catalytic distillation reactor of severe design for allowing operating conditions for both regeneration and catalytic distillation operating temperature conditions in a range of 50 degrees F. to 1200 degrees F. to be run therein.

17. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 16 wherein at least one catalytic distillation reactor of severe design further comprises;

a. at least one catalytic distillation reactor of severe design for allowing operating conditions for both regeneration and catalytic distillation operating pressure conditions in a range of 0.01 psia to 1000 psia to be run therein.

18. An apparatus for catalytic reactive distillation and for on-line regeneration of solid-supported catalyst used in the reactive distillation process of claim 17 wherein at least one catalytic distillation reactor of severe design further comprises;

a. at least one catalytic distillation reactor of severe design for allowing operating conditions for both regeneration and catalytic distillation operating pressure conditions in a range of 0.10 psia to 500 psia to be run therein.

19. A method for continuous catalytic reactive distillation and for on-line regeneration of solid supported catalyst using a catalytic reactive distillation apparatus comprising;

a. feeding feed stock to a catalytic reactive distillation apparatus at a predetermined location,

b. providing heat to bottom of a distillation column in said catalytic reactive distillation apparatus by means of a re-boiler,

c. transferring vapor from at least a 1^st functionally separated part of said distillation column into said at least one catalytic distillation reactor containing solid-supported catalyst,

d. condensing said vapor transferred from said at least 1^st functionally separated part of said distillation column to liquid,

e. reacting said liquid over said solid supported catalyst for forming vapor products and liquid products,

f. transferring liquid products from the bottom of said at least one catalytic distillation reactor to said 1^st functionally separated part of said distillation column,

g. transferring vapor products from the top of said at least one catalytic distillation reactor into said 2^nd functionally separated part of said distillation column,

h. condensing heavier liquid products from said light vapor products,

i. transferring heavier liquid products from said 2^nd functional separated part of said distillation column to said at least one catalytic distillation reactor,

j. withdrawing light products from the top of said 2^nd functional separated part of said distillation column,

l. withdrawing heavy products from the bottom of said 1^st functional separated part of said distillation column,

m. operating said at least one catalytic distillation reactor for a time sufficient until said solid supported catalyst deactivates,

n. switching at least one 1^st and 2^nd control means functionally in communication between said at least functionally separated 1^st and 2^nd parts of distillation column and said at least one catalytic reactive distillation reactor off from communication,

o. switching said at least one 3^rd control means functionally in communication between at least one catalysts regenerating means and said at least one catalytic reactive distillation reactor on to communication,

p. regenerating said solid-supported catalyst in said at least one catalytic reactive distillation reactor, and

q. reverse switching steps (n), and (m) for returning said at least one catalytic reactive distillation reactor back to operation for forming a compression seal.

20. A method for continuous catalytic reactive distillation and for on-line regeneration of solid supported catalyst using a catalytic reactive distillation column of claim 19 further comprising;

a. operating another catalytic distillation reactor connected to said distillation column by vapor and liquid connections, while said solid supported catalyst in said at least one catalytic distillation reactor is being regenerated, for a time at least until said catalyst in said at least one catalytic distillation reactor is regenerated,

b. switching at least one 3^rd control means functionally in communication between said at least one catalyst regenerating means and said at least one catalytic reactive distillation reactor off to communication

c. switching at least one 1^st and 2^nd control means functionally in communication between said at least 1^st and 2^nd functional parts of distillation column and said at least one catalytic distillation on to communication,

d. switching another at least one 1^st and 2^nd control means functionally in communication between said at least 1^st and 2^nd functional parts of distillation column and said at least another catalytic distillation reactor off to communication,

e. switching another at least one 3^rd control means functionally in communication between said catalysts regenerating means and said at least another catalytic distillation reactor on to communication,

f. regenerating said solid-supported catalyst in said at least another catalytic distillation reactor, and

g. reverse switching steps (e), (d), (c), and (b) for returning said at least another catalytic reactive distillation reactor back to operation and said at least one catalytic distillation reactor back to catalytic regeneration.

21. A method for continuous catalytic reactive distillation and for on-line regeneration of solid supported catalyst using a catalytic reactive distillation column of claim 20 wherein said time sufficient until said catalyst regenerates comprises;

a. an operating time of at least 0.5 hours plus at least as long as until said catalyst is regenerated.

22. A method for continuous catalytic reactive distillation and for on-line regeneration of solid supported catalyst using a catalytic reactive distillation column of claim 21 wherein said time sufficient until said catalyst regenerates comprises;

a. an operating time of at least 4 hours plus at least as long as until said catalyst is regenerated.

23. A method for continuous catalytic reactive distillation and for on-line regeneration of solid supported catalyst using a catalytic reactive distillation column of claim 20 wherein said feedstock comprises;

a. using lighter olefins containing hydrocarbons of C3 to C14.

24. A method for continuous catalytic reactive distillation and for on-line regeneration of solid supported catalyst using a catalytic reactive distillation column of claim 23 wherein said catalyst method comprises;

a. isomerizing said feed stock with a catalyst in said reactive distillation reactor, and

b. disproportionating said feedstock with a catalyst in said reactive distillation reactor.

25. A method for continuous catalytic reactive distillation and for on-line regeneration of solid supported catalyst using a catalytic reactive distillation apparatus comprising;

a. feeding feed stock to a catalytic reactive distillation apparatus at a predetermined location,

b. providing heat to bottom of a distillation column in said catalytic reactive distillation apparatus by means of a re-boiler,

c. transferring vapor from at least a 1^st functionally separated part of said distillation column through said at least one partition for separating said distillation column into at least 1^st and 2^nd functional parts,

d. condensing said vapor transferred from said at least 1^st functionally separated part of said distillation column to liquid,

e. transferring said liquid to said solid supported catalyst,

f. reacting said liquid over said solid supported catalyst for forming vapor products and liquid products,

g. transferring liquid products from the bottom of said at least one catalytic distillation reactor to said 1^st functionally separated part of said distillation column,

h. transferring vapor products from the top of said at least one catalytic distillation reactor into said 2^nd functionally separated part of said distillation column,

i. condensing heavier liquid products from said light vapor products,

j. transferring heavier liquid products from said 2^nd functional separated part of said distillation column to said at least one catalytic distillation reactor,

k. withdrawing light products from the top of said 2^nd functional separated part of said distillation column,

l. withdrawing heavy products from the bottom of said 1^st functional separated part of said distillation column,

m. operating said at least one catalytic distillation reactor for a time sufficient until said solid supported catalyst deactivates,

n. switching at least one 1^st and 2^nd control means functionally in communication between said at least functionally separated 1^st and 2^nd parts of distillation column and said at least one catalytic reactive distillation reactor off from communication,

o. switching said at least one 3^rd control means functionally in communication between at least one catalysts regenerating means and said at least one catalytic reactive distillation reactor on to communication,

p. regenerating said solid-supported catalyst in said at least one catalytic reactive distillation reactor, and

q. reverse switching steps (o), and (n) for returning said at least one catalytic reactive distillation reactor back to operation.

26. A method for continuous catalytic reactive distillation and for on-line regeneration of solid supported catalyst using a catalytic reactive distillation column of claim 25 further comprising;

a. operating another catalytic distillation reactor connected to said distillation column by vapor and liquid connections, while said solid supported catalyst in said at least one catalytic distillation reactor is being regenerated, for a time at least until said catalyst in said at least one catalytic distillation reactor is regenerated,

b. switching at least one 3^rd control means functionally in communication between said at least one catalyst regenerating means and said at least one catalytic reactive distillation reactor off to communication,

c. switching at least one 1^st and 2^nd control means functionally in communication between said at least 1^st and 2^nd functional parts of distillation column and said at least one catalytic distillation on to communication,

d. switching another at least one 1^st and 2^nd control means functionally in communication between said at least 1^st and 2^nd functional parts of distillation column and said at least another catalytic distillation reactor off to communication,

e. switching another at least one 3^rd control means functionally in communication between said catalysts regenerating means and said at least another catalytic distillation reactor on to communication,

f. regenerating said solid-supported catalyst in said at least another catalytic distillation reactor, and

g. reverse switching steps (e), (d), (c), and (b) for returning said at least another catalytic reactive distillation reactor back to operation and said at least one catalytic distillation reactor back to catalytic regeneration.