Cyclic pre-reformer/desulphurization unit

Chemistry of inorganic compounds – Sulfur or compound thereof – Oxygen containing

Reexamination Certificate

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Details

C423S220000, C423S230000, C423S650000, C423S651000, C423S652000, C252S373000

Reexamination Certificate

active

07572429

ABSTRACT:
A combined desulphurization and pre-reforming processing unit converts logistic fuels such as JP-5, JP-8, gasoline, and diesel with high sulfur content levels, into a mixture of hydrogen, methane, carbon monoxide, carbon dioxide, and water without any sulfur or higher hydrocarbons. The fuel is processed at lower temperatures with sulfur-resistant materials in order to break down all the heavy hydrocarbons into methane and carbon oxides while capturing the sulfur simultaneously. The resulting feed is passed to a methane reforming system to generate additional hydrogen with no effects of coking or sulfur poisoning on the reforming system. The unit itself operates in a cyclic manner in order to regenerate the bed.

REFERENCES:
patent: 7354560 (2008-04-01), Nielsen et al.
patent: 2005/0106428 (2005-05-01), Bolden
patent: 2007/0178034 (2007-08-01), Hojlund Nielsen et al.
patent: 2008/0011646 (2008-01-01), Giroux et al.
patent: 2008/0041766 (2008-02-01), Giroux et al.

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