초록 ▼

Improved method for recovering hydrogen and carbon monoxide from hydrocarbon conversion processes are disclosed. A monolith catalyst reactor means is utilized in treating the waste gas stream from the hydrocarbon conversion process to assist in recovering hydrogen and carbon monoxide from the waste

Improved method for recovering hydrogen and carbon monoxide from hydrocarbon conversion processes are disclosed. A monolith catalyst reactor means is utilized in treating the waste gas stream from the hydrocarbon conversion process to assist in recovering hydrogen and carbon monoxide from the waste gas stream. The present invention also provides a method for improving the yield of hydrogen and carbon monoxide from a hydrocarbon conversion process utilizing a monolith catalyst reactor means.

대표청구항 ▼

1. An improved method for recovering hydrogen and carbon monoxide from the waste gas stream from a pressure swing adsorption process in a hydrocarbon conversion process, the improvement comprising passing said waste gas stream and an oxygen-containing gas stream through a monolith catalyst reactor,

1. An improved method for recovering hydrogen and carbon monoxide from the waste gas stream from a pressure swing adsorption process in a hydrocarbon conversion process, the improvement comprising passing said waste gas stream and an oxygen-containing gas stream through a monolith catalyst reactor, and recovering from said monolith catalyst reactor hydrogen and carbon monoxide. 2. The method as claimed in claim 1 wherein said waste gas stream comprises hydrogen, carbon monoxide, carbon dioxide, hydrocarbons and nitrogen. 3. The method as claimed in claim 1 wherein said oxygen-containing gas stream is selected from the group consisting of oxygen, air and oxygen-enriched air. 4. The method as claimed in claim 1 wherein said monolith catalyst is a refractory ceramic material impregnated with a noble metal. 5. The method as claimed in claim 1 wherein a reaction occurs in said monolith catalyst reactor. 6. The method as claimed in claim 1 further comprising adding hydrocarbon fuel to said monolith catalyst reactor. 7. The method as claimed in claim 5 wherein said reaction is the partial oxidation reaction of hydrocarbons to produce hydrogen and carbon monoxide. 8. The method as claimed in claim 5 wherein said reaction occurs at a pressure of about 0.2 to about 3 bar and a temperature above about 700° C. 9. The method as claimed in claim 1 wherein said improvement further comprises the steps of compressing said hydrogen and carbon monoxide from said monolith catalyst reactor; quenching said hydrogen and carbon monoxide from said monolith catalyst reactor; and recovering said carbon monoxide and recovering said hydrogen. 10. The method as claimed in claim 9 further comprising the step of recovering carbon dioxide from the said waste gas stream. 11. The method as claimed in claim 9 wherein carbon monoxide is recovered by an amine wash, dryer, cold box, membrane process, or a carbon monoxide selective absorption solvent system. 12. The method as claimed in claim 1 wherein said hydrogen is recycled to said pressure swing adsorption process. 13. The method as claimed in claim 1 wherein said carbon monoxide is recycled to said pressure swing adsorption process. 14. A method for improving the yield of hydrogen and carbon monoxide from a hydrocarbon conversion process comprising contacting the waste gas stream from said hydrocarbon conversion process and an oxygen-containing gas stream with a monolith catalyst reactor, and recovering from said monolith catalyst reactor hvdroaen and carbon monoxide. 15. The method as claimed in claim 14 wherein said waste gas stream comprises hydrogen, carbon monoxide, carbon dioxide, hydrocarbons and nitrogen. 16. The method as claimed in claim 14 wherein said oxygen-containing gas stream is selected from the group consisting of oxygen, air and oxygen-enriched air. 17. The method as claimed in claim 14 wherein said monolith catalyst is a refractory ceramic material impregnated with a noble metal. 18. The method as claimed in claim 17 wherein a reaction occurs in said monolith catalyst reactor. 19. The method as claimed in claim 18 wherein said reaction is the partial oxidation reaction of hydrocarbons to produce hydrogen and carbon monoxide. 20. The method as claimed in claim 19 wherein said reaction occurs at a pressure of about 0.2 to about 3 bar and a temperature above 700° C. 21. The method as claimed in claim 14 further comprising the steps of compressing said hydrogen and carbon monoxide from said monolith catalyst reactor; quenching said hydrogen and carbon monoxide from said monolith catalyst reactor; and recovering said carbon monoxide and recovering said hydrogen. 22. The method as claimed in claim 21 further comprising the step of recovering carbon dioxide. 23. The method as claimed in claim 22 wherein carbon monoxide is recovered by an amine wash, dryer, cold box, membrane process, or a carbon monoxide selective absorption solvent system. 24. The method as claimed in claim 14 wherein said hydrogen is recycled to said pressure swing adsorption process. 25. The method as claimed in claim 14 wherein said carbon monoxide is recycled to said pressure swing adsorption process. 26. A system for recovering hydrogen and carbon monoxide from a pressure swing adsorption waste gas stream in a hydrocarbon conversion process comprising passing said waste gas stream and an oxygen-containing gas stream through monolith catalyst reactor means. 27. The system as claimed in claim 26 wherein said waste gas stream comprises hydrogen, carbon monoxide, carbon dioxide, hydrocarbons and nitrogen. 28. The system as claimed in claim 26 wherein said oxygen-containing gas stream is selected from the group consisting of oxygen, air and oxygen-enriched air. 29. The system as claimed in claim 26 wherein said monolith catalyst means comprise a refractory ceramic material impregnated with a noble metal. 30. The system as claimed in claim 26 wherein a reaction occurs in said monolith catalyst reactor. 31. The system as claimed in claim 30 wherein said reaction is the partial oxidation reaction of hydrocarbons into hydrogen and carbon monoxide. 32. The system as claimed in claim 30 wherein said reaction occurs at a pressure of about 0.2 to about 3 bar and a temperature above about 700° C. 33. The system as claimed in claim 26 further comprising compressing means; quenching means; carbon monoxide recovery means and hydrogen recovery means. 34. The system as claimed in claim 33 further comprising carbon dioxide recovery means. 35. The system as claimed in claim 33 wherein said carbon monoxide recovery means are selected from the group consisting of amine wash, dryer, cold box, membrane process, and a carbon monoxide selective absorption solvent system.