C - Chemistry – Metallurgy – 01 – C
Patent
C - Chemistry, Metallurgy
01
C
C01C 1/04 (2006.01) C01B 3/38 (2006.01) C01B 3/48 (2006.01) C01B 13/02 (2006.01) C10J 3/02 (2006.01) C10J 3/46 (2006.01) C10J 3/78 (2006.01)
Patent
CA 2601447
A method and system are described for making ammonia using hydrogen from a gasification process and for integrating the steam systems of the two processes. The gasification process provides high-pressure, purified hydrogen and high-pressure, saturated steam. The high pressure hydrogen lowers the overall compression requirement for the ammonia process. In addition, the high- pressure, saturated steam can be converted into superheated steam by recovering heat from ammonia synthesis and used to power steam turbines for compression and refrigeration needs.
L'invention concerne un procédé et un système de production d'ammoniac utilisant de l'hydrogène issu d'un processus de gazéification, et d'intégration de circuits de vapeur des deux processus. Le processus de gazéification fournit de l'hydrogène à haute pression et de la vapeur saturée à haute pression. L'hydrogène à haute pression abaisse la contrainte en compression globale pour le traitement de l'ammoniac. En outre, la vapeur saturée à haute pression peut être transformée en vapeur surchauffée par récupération après synthèse de l'ammoniac, et utilisée pour alimenter des turbines à vapeur à des fins de compression et de réfrigération.
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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