Compositions – Gaseous compositions – Carbon-oxide and hydrogen containing
Reexamination Certificate
2005-03-25
2008-07-01
Langel, Wayne A. (Department: 1793)
Compositions
Gaseous compositions
Carbon-oxide and hydrogen containing
Reexamination Certificate
active
07393470
ABSTRACT:
Synthesis gas for FT synthesis is produced using a producing apparatus including an active carbon adsorbing vessel for adsorbing impurities in a natural gas, a hydro-desulfurizer for hydrogenating and desulfurizing sulfur content in the natural gas under a condition of a partial pressure of hydrogen of 100 to 200 kPa, a second hydrogen supplying line for supplying hydrogen to the natural gas between the hydro-desulfurizer and a reactor, the reactor for obtaining synthesis gas by reacting the natural gas, carbon dioxide and steam in the presence of a catalyst for reforming, and a heat recovering boiler for cooling the synthesis gas at a cooling rate of 2000 to 4000° C./second.
REFERENCES:
patent: 5104419 (1992-04-01), Funk
patent: 7074375 (2006-07-01), Lampert et al.
patent: 2002/0024038 (2002-02-01), Iijima et al.
Fujimoto Ken-ichiro
Ihara Masaru
Inaba Kiyoshi
Iwamoto Osamu
Kajiyama Ryuichiro
Chiyoda Corporation
Cosmo Oil Co. Ltd.
Inpex Corporation
Japan Oil, Gas and Metals National Corporation
Kolisch & Hartwell, P.C.
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