06-06-2013 дата публикации
Номер: US20130142726A1
Принадлежит:
Hydrogenated liquid organic compounds are used for storage and supply of hydrogen at near ambient conditions. The hydrogen is released from the hydrogenated liquid organic compounds through a catalytic dehydrogenation reaction using a M/support or M-M′/support catalyst. The M/support catalyst comprises a metal M selected from Pt, Pd, Rh, Ru, Ir, Os, or combination thereof, and a support selected from YOor VOor combinations thereof. The M-M′/support catalyst comprises a first metal M selected from Cu, Ag, Au, or combination thereof, a second metal M′ selected from Pt, Pd, Rh, Ru, Ir, Os, Fe, Ni, Re, Mo, W, V, Cr, Co or combinations thereof, and a support selected from activated carbon, alumina, alumite, zirconia, silica or combination thereof. Synergistic effects are created by using the combination of the M and M′ in the catalyst, which result in shifting of the equilibrium of the reaction favorably to dehydrogenation. 1. An improved process for delivery of hydrogen , the process comprising:dehydrogenating hydrogenated liquid organic compounds using a catalyst in a dehydrogenation reactor to produce hydrogen, the catalyst being heated at a temperature in the range of 120-400° C.;removing the hydrogen from the reactor by introducing a carrier gas in the reactor;separating the hydrogen with a condenser by cooling to a temperature in the range of 2-50° C. followed by releasing the hydrogen through an entrainment separator to deliver the hydrogen, [{'sub': 2', '3', '2', '5, 'i. M/support wherein metal M is at least one metal selected from the group consisting of Pt, Pd, Rh, Ru, Ir, and Os, and said metal is dispersed on a support, the support is at least one metal oxide selected from the group consisting of YO, VOand combinations thereof or;'}, 'ii. M-M′/support wherein metal M is at least one metal selected from the group consisting of Cu, Ag, and Au; metal M′ is at least one metal selected from Pt, Pd, Rh, Ru, Ir, Os, Fe, Ni, Re, Mo, W, V, Cr, Co and combinations ...
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