The process for producing hydrogen gas according to the present invention consists of reacting aluminum with water in the presence of sodium hydroxide as a catalyst. In one aspect of the present invention, there is provided a process for producing hydrogen gas, comprising the steps of: providing an
The process for producing hydrogen gas according to the present invention consists of reacting aluminum with water in the presence of sodium hydroxide as a catalyst. In one aspect of the present invention, there is provided a process for producing hydrogen gas, comprising the steps of: providing an aqueous solution containing between 0.26 M and 19 M NaOH in a vessel. The next step consists of reacting aluminum with water at the surface of the solution to generate a region of effervescence at the surface of the solution and a precipitate sinking from the region of effervescence to the bottom of the vessel. The region of effervescence is kept separated from the precipitate at the bottom the vessel, to prevent any precipitate from mixing with the aluminum therein.
대표청구항▼
The process for producing hydrogen gas according to the present invention consists of reacting aluminum with water in the presence of sodium hydroxide as a catalyst. In one aspect of the present invention, there is provided a process for producing hydrogen gas, comprising the steps of: providing an
The process for producing hydrogen gas according to the present invention consists of reacting aluminum with water in the presence of sodium hydroxide as a catalyst. In one aspect of the present invention, there is provided a process for producing hydrogen gas, comprising the steps of: providing an aqueous solution containing between 0.26 M and 19 M NaOH in a vessel. The next step consists of reacting aluminum with water at the surface of the solution to generate a region of effervescence at the surface of the solution and a precipitate sinking from the region of effervescence to the bottom of the vessel. The region of effervescence is kept separated from the precipitate at the bottom the vessel, to prevent any precipitate from mixing with the aluminum therein. di(C1-C6)alkylaminosulphonyl, thiocarbamyl or formyl radical, or with a group Z; an amino(C1-C6)alkyl radical wherein the amine is substituted with one or two identical or different radicals selected from C1-C6alkyl, monohydroxy(C1-C6)alkyl, polyhydroxy(C2-C6)alkyl, C1-C6alkylcarbonyl, carbamyl, N--(C1-C6)alkylcarbamyl, N,N-di(C1-C6)alkylcarbamyl, (C1-C6)alkylsulphonyl, formyl, trifluoro(C1-C6)alkylcarbonyl, (C1-C6)alkylcarboxyl and thiocarbamyl radicals, or with a group Z; R6denotes a C1-C6alkyl radical; a monohydroxy(C1-C6)alkyl radical; a polyhydroxy(C2-C6)alkyl radical; a group Z; a (C1-C6)alkoxy(C1-C6)alkyl radical; an ary radical benzyl radical; a carboxy(C1-C6)alkyl radical; a (C1-C6)alkylcarboxy(C1-C6)alkyl radical; a cyano(C1-C6)alkyl radical; a carbamyl(C1-C6)alkyl radical; an N--(C1-C6)alkylcarbamyl(C1-C6)alkyl radical; an N,N-di(C1-C6)alkylcarbamyl(C1-C6)alkyl radical; a trifluoro(C1-C6)alkyl radical; an aminosulphonyl(C1-C6)alkyl radical; an N--Z-aminosulphonyl(C1-C6)alkyl radical; an N--(C1-C6)alkylaminosulphonyl(C1-C6)alkyl radical; an N,N-di(C1-C6)alkylaminosulphonyl(C1-C6)alkyl radical; a (C1-C6)alkylsulphinyl(C1-C6)alkyl radical; a (C1-C6)alkylsulphonyl(C1-C6)alkyl radical; a (C1-C6)alkylcarbonyl(C1-C6)alkyl radical; an amino(C1-C6)alkyl radical; an amino(C1-C6)alkyl radical wherein the amine is substituted with one or two identical or different radicals selected from C1-C6alkyl, monohydroxy(C1-C6)alkyl, polyhydroxy(C2-C6)alkyl, (C1-C6)alkylcarbonyl, formyl, trifluoro(C1-C6)alkylcarbonyl, (C1-C6)alkylcarboxyl, carbamyl, N--(C1-C6)alkylcarbamyl, N,N-di(C1-C6)alkylcarbamyl, thiocarbamyl and C1-C6alkylsulphonyl radicals, and the group Z; A represents a group --NR4R5or a hydroxyl radical; R4and R5,are identical or different and represent a hydrogen atom; a group Z; a C1-C6alkyl radical; a monohydroxy(C1-C6)alkyl radical; a polyhydroxy(C2-C6)alkyl radical; a (C1-C6)alkoxy(C1-C6)alkyl radical; an aryl radical; a benzyl radical; a cyano(C1-C6)alkyl radical; a carbamyl(C1-C6)alkyl radical; an N--(C1-C6)alkylcarbamyl(C1-C6)alkyl radical; an N,N-di(C1-C6)alkylcarbamyl(C1-C6)alkyl radical; a thiocarbamyl(C1-C6)alkyl radical; a trifluoro(C1-C6)alkyl radical; a a sulpho(C1-C6)alkyl radical; a (C1-C6)alkylcarboxy(C1-C6)alkyl radical; a (C1-C6)alkylsulphinyl(C1-C6)alkyl radical; an aminosulphonyl(C1-C6)alkyl radical; an N--Z-aminosulphonyl(C1
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