Method of using an oxygen waste stream as an oxidizer feed gas stream
OwnerIlaria CIATTAGLIA, Albrecht HEINZELinventors
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Abstract
A method for producing carbon dioxide using the waste gas oxygen stream from an air separation unit producing nitrogen as the oxygen feed. The oxygen is fed to an autothermal reformation or partial oxidation unit to produce synthesis gas which is subjected to a shift reaction to produce hydrogen and carbon dioxide. The carbon dioxide is separated and recovered and can be employed in an enhanced oil recovery operation.
Claims17
A method for producing carbon dioxide comprising the steps of feeding an enriched oxygen air gas stream and a carbon rich fuel gas stream to an autothermal reformation/partial oxidation process, wherein said enriched oxygen air gas stream is a waste gas stream from an air separation unit;
- recovering the synthesis gas formed by the autothermal reformation process and feeding said synthesis gas to a shift reactor to produce hydrogen and carbon dioxide;
- and feeding the hydrogen and carbon dioxide to a carbon dioxide removal unit whereby carbon dioxide is recovered.
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Dependencies are inferred from the claim text.