Method for manufacture of high purity carbon monoxide

Details Method for manufacture of high purity carbon monoxide Method for manufacture of high purity carbon monoxide

C - Chemistry, Metallurgy

01

B

C01B 31/18 (2006.01) C01B 3/38 (2006.01)

Patent

CA 2101631

The present invention is directed to a method for producing high purity carbon monoxide. In the method, a hydrocarbon feed stock and import carbon dioxide are introduced into a reaction system containing a primary reformer and a secondary re- former. The hydrocarbon feed stock, import carbon monoxide and recycle carbon monoxide are passed through the primary re- former while being heated to a temperature sufficient to reform the feed stock into a first carbon monoxide reaction product. The first reaction product and oxygen are fed into the secondary reformer. The first reaction product is reacted in the secondary re- former in an autothermal reation to provide a second carbon monoxide reaction product having a lower hydrocarbon level than the first reaction product. The second reaction product is removed from the secondary reformer at a second predetermined tem- perature and a high purity carbon monoxide is recovered from the second reaction product without the use of cryogenic separa- tion techniques.

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