Low-temperature dehydrogenation method and hydrogen production system using the same

A low temperature dehydrogenation method, the method comprising:

• conducting a dehydrogenation reaction of a reactant including a piperidine-based compound substituted with one or more alkyl groups to produce hydrogen,
• wherein the dehydrogenation reaction is conducted in a presence of a catalyst including an active metal supported on a carrier including a composite metal oxide,
• wherein the dehydrogenation reaction is conducted at a temperature in a range of 150° C. to 250° C., and
• wherein the piperidine-based compound is 2,6-dimethylpiperidine, wherein the catalyst is Pt/CeO2—Al2O3, wherein the carrier comprises 1 wt. % to 50 wt. % of the composite metal oxide based on a total weight of the carrier, and wherein the catalyst comprises an active metal in a range of 1.0 wt. % to 5.0 wt. % based on a total weight of the catalyst.

A hydrogen production system comprising:

• a reactant tank including a piperidine-based compound substituted with one or more alkyl groups;
• and
• a dehydrogenation reactor including a catalyst having an active metal supported on a carrier including a composite metal oxide,
• wherein the dehydrogenation reactor is configured to receive the piperidine-based compound from the reactant tank and perform a dehydrogenation reaction at a temperature in a range of 150° C. to 250° C. in a presence of the catalyst to produce hydrogen,
• wherein:
• the piperidine-compound is 2-methylpiperidine, the catalyst is Pd/Pr2O3, the carrier includes 1 wt. % to 50 wt. % of the composite metal oxide based on a total weight of the carrier, and the catalyst includes the active metal in a range of 0.1 wt. % to 5.0 wt. % based on a total weight of the catalyst;
• or
• the piperidine-compound is 2,6-dimethylpiperidine, the catalyst is Pt/CeO2—Al2O3, the carrier includes 1 wt. % to 50 wt. % of the composite metal oxide based on the total weight of the carrier, and the catalyst includes the active metal in a range of 1.0 wt. % to 5.0 wt. % based on the total weight of the catalyst.