Abstract: The present disclosure discloses a catalyst for liquid phase reforming of biomass derived from hydrotalcite, a method for preparing the same, and a method for producing hydrogen using the same. The catalyst is a mixed metal oxide catalyst, the catalyst is a nickel-zinc-aluminum mixed metal oxide of a hydrotalcite structure, and the catalyst is used for liquid phase reforming of biomass. The catalyst has an effect of providing a high yield of hydrogen by improving an efficiency of the liquid phase reforming reaction of biomass.

Abstract: A method of regenerating sodium borohydride includes: pretreating reactants including sodium tetraborate hydrate (Na2B4O7·xH2O, 0<x?10), a metal salt, and a reducing agent; and reacting the pretreated reactants by a ball-milling method, wherein the metal salt includes NaHCO2, KHCO2, LiHCO2, NaHCO3, Na2CO3, NaOH, KHCO3, K2CO3, LiHCO3, Li2CO3, Na2O2, NaH, or a combination thereof.

Abstract: A dehydrogenation reaction apparatus includes: an aqueous add solution tank that stores an aqueous acid solution; a dehydrogenation reactor that stores a chemical hydride and selectively receives the aqueous acid solution stored in the aqueous add solution tank; and a heat control device. The heat control device is disposed inside or outside the dehydrogenation reactor and controls an internal temperature of the dehydrogenation reactor.

Abstract: A dehydrogenation reaction device is disclosed. The device includes a chemical hydride storage unit including a chemical hydride storage tank, a reaction unit including an acid aqueous solution storage tank, and a dehydrogenation reactor for generating hydrogen by reacting a chemical hydride with an acid aqueous solution. The device further includes a hydrogen storage unit including a hydrogen storage tank for storing the hydrogen produced in the dehydrogenation reactor, and a recovery unit for recovering the product produced in the dehydrogenation reactor.

Abstract: A dehydrogenation reaction apparatus includes a dehydrogenation reactor having a reaction vessel that stores a chemical hydride; and a methane generator that converts carbon monoxide generated in the dehydrogenation reactor into methane.

Abstract: A hydrogen generating method includes generating hydrogen by dehydrogenation-reacting a chemical hydride of a solid state with an acid aqueous solution. The dehydrogenation-reaction is performed by reacting 1 mol of hydrogen atoms of the chemical hydride with an acid and water at a molar ratio of 0.5 to 2.

Abstract: A dehydrogenation reaction apparatus includes a dehydrogenation reactor having a reaction vessel that stores a chemical hydride; and a methane generator that converts carbon monoxide generated in the dehydrogenation reactor into methane.

Abstract: A dehydrogenation reaction device includes: an acid aqueous solution storage unit including a first aqueous acid solution; a water storage unit including water; and a dehydrogenation reaction unit including a chemical hydride. The dehydrogenation reaction unit receives a second aqueous acid solution in which the first aqueous acid solution and water are mixed, and further reacts the chemical hydride and the second aqueous acid solution to generate hydrogen.

Abstract: A hydrogen generating method includes generating hydrogen by dehydrogenation-reacting a chemical hydride of a solid state with an acid aqueous solution. The dehydrogenation-reaction is performed by reacting 1 mol of hydrogen atoms of the chemical hydride with an acid and water at a molar ratio of 0.5 to 2.