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Disclosed are methods and apparatus for producing synthesis gas and higher hydrocarbons from light hydrocarbons and molecular oxygen as well as the higher hydrocarbons produced by the disclosed methods and apparatus. The methods and apparatus disclosed utilize components comprising nickel and nickel

Disclosed are methods and apparatus for producing synthesis gas and higher hydrocarbons from light hydrocarbons and molecular oxygen as well as the higher hydrocarbons produced by the disclosed methods and apparatus. The methods and apparatus disclosed utilize components comprising nickel and nickel alloys.

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What is claimed is: 1. A method for producing a product stream comprising syngas from a feedstrearn comprising light hydrocarbons and molecular oxygen, the method comprising: providing a reactor vessel comprising a reaction zone and a cooling device; reacting the light hydrocarbons and the oxygen i

What is claimed is: 1. A method for producing a product stream comprising syngas from a feedstrearn comprising light hydrocarbons and molecular oxygen, the method comprising: providing a reactor vessel comprising a reaction zone and a cooling device; reacting the light hydrocarbons and the oxygen in the reaction zone configured to catalytically partially oxidize at least a portion of the light hydrocarbons to a syngas comprising at least about 70 mol % H2 and CO; and flowing at least a portion of the syngas directly into the cooling device, wherein at least a portion of a syngas exposed surface of the reactor vessel outside of the cooling device, a syngas exposed surface of the cooling device, or both comprise an alloy comprising primarily nickel. 2. The method of claim 1 wherein at least a portion of the exposed surface of the reactor outside of the cooling device comprises an alloy comprising primarily nickel. 3. The method of claim 1 wherein at least a portion of the exposed surface of the cooling device comprises an alloy comprising primarily nickel. 4. The method of claim 3 wherein the portion of the cooling device which is subject to the highest temperatures comprises an alloy comprising primarily nickel. 5. The method of claim 1 wherein the cooling device comprises a plurality of cooling tubes. 6. The method of claim 1 wherein at least a portion of the exposed surface of the cooling device comprises an alloy containing about 50-75% nickel. 7. The method of claim 6 wherein at least a portion of the exposed surface of the cooling device comprises an alloy containing about 0-1% silicon, 0.1-5% aluminum, and 5-40% chromium. 8. The method of claim 1 wherein the syngas comprises at least 75 mol % H2 and Co. 9. The method of claim 8 wherein the syngas comprises at least 95 mol % H2 and CO. 10. The method of claim 1 wherein the syngas has an H2 to CO molar ratio less than 3:1. 11. The method of claim 1 wherein the syngas has an H2 to CO molar ratio less than 2.5:1. 12. The method of claim 1 wherein the syngas has an H2 to CO molar ratio less than 2.2:1. 13. The method of claim 1 wherein the syngas has an H2 to CO molar ratio less than 2:1. 14. The method of claim 1 wherein at least a portion of the exposed surface of the cooling device comprises an alloy containing greater than 60% nickel. 15. The method of claim 8 wherein at least a portion of the exposed surface of the cooling device comprises an alloy containing greater than 60% nickel. 16. A method for producing C5+ hydrocarbons from a feedstream comprising C1-C4 light hydrocarbons and molecular oxygen, the method comprising: providing a reactor vessel comprising a reaction zone and a cooling device, said reaction zone comprising a catalyst zone; reacting the feedstream comprising C1-C4 hydrocarbons and oxygen in the reaction zone to catalytically partially oxidize at least a portion of the feedstrean comprising C1-C 4hydrocarbons to a syngas comprising at least about 70 mole percent H2 and CO; flowing at least a portion of the syngas leaving the catalyst zone directly into the cooling device, wherein at least a portion of a syngas exposed surface of the reactor outside of the cooling device, a syngas exposed surface of the cooling device, or both comprise an alloy comprising primarily nickel; and feeding at least a portion of the cooled syngas into a hydrocarbon synthesis reactor, wherein at least a portion of the syngas is converted to C5+ hydrocarbons. 17. The method of claim 16 wherein at least a portion of the exposed surface of the reactor vessel outside of the cooling device comprises an alloy comprising primarily nickel. 18. The method of claim 16 wherein at least a portion of the exposed surface of the cooling device comprises an alloy comprising primarily nickel. 19. The method of claim 18 wherein the portion of the cooling device which is subject to the highest temperatures comprises an alloy comprising primarily nickel. 20. The method of claim 16 wherein the cooling device comprises a plurality of cooling tubes. 21. The method of claim 16 wherein at least a portion of the exposed surface of the cooling devices comprises an alloy containing about 50-75% nickel. 22. The method of claim 21 wherein at least a portion of the exposed surface from the cooling devices comprises an alloy containing about 0-1% silicon, 0.1-5% aluminum, and 5-40% chromium. 23. The method of claim 16 wherein the product stream has a H2 to CO molar ratio less than 3:1. 24. The method of claim 16 wherein the product stream has an H2 to CO molar ratio less than 2.5:1. 25. The method of claim 16 wherein the product stream has an H2 to CO molar ratio less than 2.2:1. 26. The method of claim 16 wherein the product stream has an H2 to Co molar ratio less than 2:1. 27. The method of claim 16 wherein the product stream comprises at least about 75 mol % H2 and CO. 28. The method of claim 16 wherein the product stream comprises at least about 95 mol % H2 and CO. 29. The method of claim 16 wherein at least a portion of the exposed surface of the cooling device comprises an alloy containing greater than 60% nickel. 30. The method of claim 27 wherein at least a portion of the exposed surface of the cooling device comprises an alloy containing greater than 60% nickel. 31. A method for cooling a hydrocarbon partial oxidation product stream exiting a catalyst zone, the method comprising: providing a reactor vessel having a reaction zone comprising a catalyst zone configured to catalytically partiaily oxidize a light hydrocarbons to syngas and a cooling zone comprising at least one cooling device; feeding at least a portion of the stream leaving the catalyst zone directly through at least one said cooling device, wherein at least a portion of a syngas exposed surface of the cooling device comprises an alloy comprising primarily nickel; and wherein the hydrocarbon partial oxidation stream is generated in part or totally over a partial oxidation catalyst contained in said catalyst zone and comprises at least 70% H2 and CO. 32. The method of claim 31 wherein the stream comprises at least 75% H2 and CO. 33. The method of claim 32 wherein the stream comprises at least 95% H2 and CO. 34. The method of claim 32 wherein the stream has a H2 to CO molar ratio less than 3:1. 35. The method of claim 31 wherein the product stream has an H2 to CO molar ratio less than 2.5:1. 36. The method of claim 31 wherein the product stream has an H2 to CO molar ratio less than 2.2:1. 37. The method of claim 31 wherein the product stream has an H2 to CO molar ratio less than 2:1. 38. The method of claim 31 wherein the exposed surface of the cooling device comprises an alloy comprising about 50-70% nickel. 39. The method of claim 38 wherein the exposed surface of the cooling device comprises an alloy comprising about 0-1% silicon, 0.1-5% aluminum, and 5-40% chromium. 40. The method of claim 31 wherein the portion of the cooling device which is subject to the highest temperatures comprises an alloy comprising primarily nickel. 41. The method of claim 32 wherein at least a portion of the exposed surface of the cooling device comprises an alloy containing greater than 60% nickel.