Claims
- 1. A structured catalyst comprising channels of a geometry comprising inner walls whose cross-sectional surfaces are substantially free of acute and sharply obtuse interior corner angles, the catalyst being used for liquid/catalyst and gas/liquid/catalyst contacting and reaction.
- 2. The structured catalyst in accordance with claim 1, wherein said channels form at least a part of a honeycomb monolith catalyst structure.
- 3. The structured catalyst in accordance with claim 1, wherein said inner walls of said channels support a solid catalyst.
- 4. The structured catalyst in accordance with claim 3, wherein said solid catalyst is disposed upon or within said inner walls of said channels.
- 5. The structured catalyst in accordance with claim 1 wherein said channels have an average cross-sectional diameter in the range of about 0.1 to 10 mm.
- 6. The structured catalyst in accordance with claim 1 wherein said inner walls of said channels are substantially free of corners.
- 7. The structured catalyst in accordance with claim 1 wherein said inner walls of said channels have corner radii of above approximately ten percent of their channel diameter.
- 8. The structured catalyst in accordance with claim 1 wherein said inner walls of said channels define an approximately circular cross-section.
- 9. A structured catalyst of honeycomb configuration comprising a plurality of parallel channels bounded by catalytically active walls traversing the catalyst from an inlet end to an outlet end thereof, wherein the cross-sectional shape of the channels is free of angled corners and free of curvatures having curvature radii below 10% of the average channel diameter.
- 10. A method for carrying out a liquid/solid or gas/liquid/solid reaction comprising the step of conveying a liquid or gas/liquid feedstream through a solid catalyst of honeycomb configuration comprising a plurality of parallel channels bounded by catalytically active walls traversing the catalyst from an inlet end to an outlet end thereof, wherein the cross-sectional shape of the channels is free of angled corners and free of curvatures having curvature radii below 10% of the average channel diameter.
- 11. The method in accordance with claim 10 wherein said reaction comprises a liquid/catalyst contacting and reaction.
- 12. The method in accordance with claim 10 wherein said reaction comprises a gas/liquid/catalyst reaction.
- 13. The method in accordance with claim 10 wherein said channels are utilized for conducting gas/liquid/catalyst hydrotreating reactions.
- 14. The method in accordance with claim 10 wherein said channels are utilized for conducting gas/liquid/catalyst hydrogenation reactions.
- 15. The method in accordance with claim 10 wherein said reaction is conducted under conditions of liquid linear velocity of between approximately 0.01 and 100 cm/s.
- 16. The method in accordance with claim 12 wherein said reaction is conducted under conditions wherein said feed has a gas/liquid volume ratio of between approximately 0 and 1000.
- 17. A method for carrying out a hydrotreating reaction comprising the step of conveying a gas/liquid feedstream through a solid catalyst of honeycomb configuration comprising a plurality of parallel channels bounded by catalytically active walls traversing the catalyst from an inlet end to an outlet end thereof, wherein the cross-sectional shape of the channels is free of angled corners and free of curvatures having curvature radii below 10% of the average channel diameter.
- 18. A method for carrying out a gas-liquid mass-transfer process comprising the step of conveying gas and liquid feedstreams through a packing structure of honeycomb configuration comprising a plurality of parallel channels bounded by channel walls traversing the structure from an inlet end to an outlet end thereof, wherein the cross-sectional shape of the channels is free of angled corners and free of curvatures having curvature radii below 10% of the average channel diameter.
- 19. A method in accordance with claim 18 wherein the gas-liquid mass transfer process is an absorption, scrubbing, stripping or distillation process.
Parent Case Info
[0001] This application is a continuation-in-part of application Ser. No. 09/952,173, filed Sep. 15, 2001.
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
09952173 |
Sep 2001 |
US |
Child |
10008059 |
Nov 2001 |
US |