Preparation and reforming methods of catalyst for hydrogen production by reforming light alkane and application of catalyst
A technology for reforming hydrogen and low-carbon alkanes, applied in catalyst activation/preparation, chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, etc., can solve environmental pollution and other problems, and achieve simple treatment methods , improve the utilization rate, and have good application prospects
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Embodiment 1
[0034] A method for preparing a catalyst for hydrogen production by reforming low-carbon alkane, comprising the following steps:
[0035] (1) Use a 40-mesh sieve to screen the microsphere silica gel to make it uniform in particle size; put the screened microsphere silica gel into a nitric acid solution with a concentration of 34% and soak for 9 hours; obtain the obtained microsphere silica gel after washing with deionized water Dry in an oven at 110°C for 12 hours, bake in a muffle furnace at 550°C for 3 hours, and cool naturally to room temperature to obtain SiO 2 carrier;
[0036] (2) 0.91g Ni(NH 3 ) 6 Cl 2 ·6H 2 O was dissolved in 3.5ml of deionized water, the pH was adjusted to 11 with ammonia water, and then 2g of SiO was added 2 Carrier, after stirring for 5 minutes, 41kHz ultrasonic for 10 minutes, then put it in a 110°C oven for 12 hours, then put it in a 550°C muffle furnace for 3 hours and cool to room temperature to get the catalyst Ni / SiO 2 ;
[0037] (3) 0....
Embodiment 2
[0040] A method for preparing a catalyst for hydrogen production by reforming low-carbon alkane, comprising the following steps:
[0041] (1) Use a 60-mesh sieve to screen the microsphere silica gel to make it uniform in particle size; put the screened microsphere silica gel into a nitric acid solution with a concentration of 34% and soak for 9 hours; obtain the obtained microsphere silica gel after washing with deionized water Dry in an oven at 180°C for 12 hours, bake in a muffle furnace at 500°C for 3 hours, and cool naturally to room temperature to obtain SiO 2 carrier;
[0042] (2) 0.91g Ni(NH 3 ) 6 Cl 2 ·6H 2 Dissolve O in 3.5ml deionized water, adjust the pH to 10 with ammonia water, then add 2g SiO 2 Carrier, stirred for 5 minutes, 50kHz ultrasonic for 8 minutes, then put it in a 120°C oven for 10 hours, then put it in a 500°C muffle furnace for 2 hours and cooled to room temperature to obtain the catalyst Ni / SiO 2 ;
[0043] (3) 0.46g (NH 4 ) 6 Mo 7 o 24 4H...
Embodiment 3
[0047] A method for preparing a catalyst for hydrogen production by reforming low-carbon alkane, comprising the following steps:
[0048] (1) Use a 50-mesh sieve to screen the microsphere silica gel to make it uniform in particle size; put the screened microsphere silica gel into a nitric acid solution with a concentration of 34% and soak for 9 hours; obtain the obtained microsphere silica gel after washing with deionized water Dry in an oven at 110°C for 12 hours, bake in a muffle furnace at 550°C for 3 hours, and cool naturally to room temperature to obtain SiO 2 carrier;
[0049] (2) 0.91g Ni(NH 3 ) 6 Cl 2 ·6H 2 O was dissolved in 3.5ml of deionized water, the pH was adjusted to 11 with ammonia water, and then 2g of SiO was added 2 The carrier, after stirring for 5 minutes, 50kHz ultrasound for 10 minutes, then put it in a 110°C oven for 12 hours after standing still for 9 hours, then put it in a 550°C muffle furnace for 3 hours and cool to room temperature to get the ...
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