Reduced generation of ammonia in nickel catalyst of reformer
Reformation of natural gas without excessive production of ammonia, even if the natural gas includes as much as 14% nitrogen, is achieved in reformers including tubes (75) having outer chambers (78) with catalysts therein, a first stage (80) of catalyst having between about 10% and about 25% nickel,...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | Reformation of natural gas without excessive production of ammonia, even if the natural gas includes as much as 14% nitrogen, is achieved in reformers including tubes (75) having outer chambers (78) with catalysts therein, a first stage (80) of catalyst having between about 10% and about 25% nickel, a second stage (81) of catalyst having less than 10% nickel, and a final stage (82) having 2% or less rhodium catalyst of a low concentration. |
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