Reactor system and method therefore
View Patent ↗A reactor system includes a fluidized bed reactor with a fluidized zone having sorbent particles and catalyst particles. The sorbent particles are sized to become entrained in a product stream from the fluidized zone and the catalyst particles are sized to gravimetrically stay within the fluidized zone.
1. A reactor system comprising:
a fluidized bed reactor including a fluidized zone having sorbent particles and catalyst particles, the sorbent particles are sized to become entrained in a product stream from the fluidized zone and the catalyst particles are sized to gravimetrically stay within the fluidized zone, wherein a ratio of an average size of the catalyst particles to an average size of the sorbent particles is in a range of 7-10.
2. The reactor system as recited in claim 1 , wherein the sorbent particles are comprised of calcium oxide, and the catalyst particles are comprised of nickel.
3. The reactor system as recited in claim 1 , wherein the sorbent particles are comprised of calcium oxide, and the catalyst particles are comprised of nickel and alumina.
4. The reactor system as recited in claim 1 , wherein the catalyst particles are comprised of a catalyst material disposed on a support material.
5. The reactor system as recited in claim 4 , wherein the catalyst material comprises nickel and the support material comprises alumina.
6. The reactor system as recited in claim 5 , wherein the catalyst particles have a composition of 8-14 wt % of the nickel and a balance of the alumina and any trace impurities.
7. A reactor system comprising:
a fluidized bed reactor including a fluidized zone having sorbent particles and catalyst particles, the sorbent particles are sized to become entrained in a product stream from the fluidized zone and the catalyst particles are sized to gravimetrically stay within the fluidized zone, wherein the sorbent particles are comprised of calcium oxide having a surface area of at least 20 m 2 /g, and the catalyst particles are comprised of nickel disposed on alumina having a surface area of at least 8 m 2 /g.
8. The reactor system as recited in claim 7 , wherein the sorbent particles are comprised of calcium oxide having a surface area of about 25 m 2 /g, and the catalyst particles are comprised of nickel disposed on alumina having a surface area of about 10 m 2 /g.
9. A reactor system comprising:
a fluidized bed reactor including a fluidized zone having sorbent particles and catalyst particles, the sorbent particles are sized to become entrained in a product stream from the fluidized zone and the catalyst particles are sized to gravimetrically stay within the fluidized zone, wherein the sorbent particles are comprised of calcium oxide having a first surface area, the catalyst particles are comprised of nickel disposed on alumina having a second surface area, and a ratio of the first surface area to the second surface area is at least 2.5.
10. A reactor system comprising:
a fluidized bed reactor including a fluidized zone having sorbent particles and catalyst particles, the sorbent particles are sized to become entrained in a product stream from the fluidized zone and the catalyst particles are sized to gravimetrically stay within the fluidized zone, wherein the sorbent particles have a bimodal size distribution.
11. The reactor system as recited in claim 10 , wherein the bimodal size distribution includes a first average of 1-50 micrometers and a second average of 70-300 micrometers.
12. A reactor system comprising:
a fluidized bed reactor including a fluidized zone having sorbent particles and catalyst particles, the sorbent particles and the catalyst particles each having an average size, and a ratio of the average size of the catalyst particles to the average size of the sorbent particles is such that the sorbent particles become entrained in a product stream from the fluidized zone and the catalyst particles gravimetrically stay within the fluidized zone, wherein the ratio in a range of 7-10.
13. The reactor system as recited in claim 12 , wherein the sorbent particles are comprised of calcium oxide and the catalyst particles are comprised of nickel.
14. A method for use with a reactor system, comprising:
establishing a first average size of sorbent particles for use in a fluidized bed reactor;
establishing a second average size of catalyst particles for use in the fluidized bed reactor such that the sorbent particles are sized to become entrained in a product stream from a fluidized zone of the fluidized bed reactor and the catalyst particles are sized to gravimetrically stay within the fluidized zone; and
establishing a ratio of the second average size to the first average size to be in a range of 7-10.