HYDROGEN SUPPLY METHOD AND SYSTEM

申请号 PCT/US2013025551 申请日 2013-02-11 公开(公告)号 WO2013122867A3 公开(公告)日 2014-07-31
申请人 PRAXAIR TECHNOLOGY INC; 发明人 OATES ROMMEL M; DADEBO SOLOMON;
摘要 A method and system for supplying additional hydrogen from a reservoir of stored hydrogen in a salt cavern to a hydrogen pipeline to assist in meeting customer demand for hydrogen is provided. Contaminants introduced while the stored hydrogen stream is in the salt cavern may cause the crude hydrogen stream to not have the required product purity specification. The stored hydrogen is removed from the salt cavern as a crude hydrogen stream and thereafter diluted with higher purity hydrogen formed from the pipeline to form a hydrogen product stream at or below the product purity specification. The hydrogen product can be formed without removal of any of the contaminants in the crude stream, thereby creating a more cost effective and simplified supply process compared to conventional processes employing a salt cavern for hydrogen supply.
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