Compositions – Gaseous compositions – Carbon-oxide and hydrogen containing
Patent
1999-01-05
2000-08-15
Richter, Johann
Compositions
Gaseous compositions
Carbon-oxide and hydrogen containing
423650, 423652, 95 98, C07C 102, C01B 324, C01B 326, B01D 5926
Patent
active
061031437
ABSTRACT:
In the steam reforming of hydrocarbon, particularly methane, under elevated temperature and pressure to produce hydrogen, a feed of steam and hydrocarbon is fed into a first reaction volume containing essentially only reforming catalyst to partially reform the feed. The balance of the feed and the reaction products of carbon dioxide and hydrogen are then fed into a second reaction volume containing a mixture of catalyst and adsorbent which removes the carbon dioxide from the reaction zone as it is formed. The process is conducted in a cycle which includes these reactions followed by countercurrent depressurization and purge of the adsorbent to regenerate it and repressurization of the reaction volumes preparatory to repeating the reaction-sorption phase of the cycle.
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Hufton Jeffrey Raymond
Nataraj Shankar
Sircar Shivaji
Air Products and Chemicals Inc.
Parsa J.
Richter Johann
Rodgers Mark L.
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