Method for liquid-phase dehydrogenation of heterocyclic cycloalkane hydrogen storage materials
A technology of heterocyclic cycloalkane and hydrogen storage materials, which is applied in chemical instruments and methods, hydrogen, physical/chemical process catalysts, etc., and can solve problems such as high reaction temperature, high operating cost, and difficult maintenance
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Embodiment 1
[0033] Add 20g of ferric nitrate nonahydrate and 4g of cobalt nitrate hexahydrate into water, dissolve them completely at 80°C, add 10mL of chloroplatinic acid with a concentration of 16.14mL / L dropwise, stir, and add ammonia water dropwise to adjust the volume of the mixed solution. The pH value is 8, stirred until a large amount of precipitation occurs in the solution, the solution is filtered, and the filter cake is washed to obtain a catalyst precursor. The catalyst was obtained by activating the precursor in an atmosphere furnace. The activation temperature was 500°C, the activation time was 4h, the heating rate was 5°C / min, normal pressure, and the gas flow rate was 200mL / min. The activation gas was a mixed gas of ethane and propane, of which ethane The volume ratio to propane is 9:1. The composition of the catalyst is shown in Table 1, and the preparation conditions are shown in Table 2.
[0034] Take 1 gram of catalyst for evaluation in an isothermal fixed-bed reactor...
Embodiment 2
[0036] Add 20g of ferric nitrate nonahydrate and 4g of cobalt nitrate hexahydrate into water, dissolve them completely at 80°C, add 10mL of chloroplatinic acid with a concentration of 16.14mL / L dropwise, stir, and add ammonia water dropwise to adjust the volume of the mixed solution. The pH value is 8, stirred until a large amount of precipitation occurs in the solution, the solution is filtered, and the filter cake is washed to obtain a catalyst precursor. The catalyst was obtained by activating the precursor in an atmosphere furnace. The activation temperature was 500°C, the activation time was 4h, the heating rate was 5°C / min, normal pressure, and the gas flow rate was 200mL / min. The activation gas was a mixed gas of ethane and propane, of which ethane The volume ratio to propane is 9:1. The composition of the catalyst is shown in Table 1, and the preparation conditions are shown in Table 2.
[0037] Take 1 gram of catalyst for evaluation in an isothermal fixed-bed reactor...
Embodiment 3
[0039] Add 20g of ferric nitrate nonahydrate and 4g of cobalt nitrate hexahydrate into water, dissolve them completely at 80°C, add 10mL of chloroplatinic acid with a concentration of 16.14mL / L dropwise, stir, and add ammonia water dropwise to adjust the volume of the mixed solution. The pH value is 8, stirred until a large amount of precipitation occurs in the solution, the solution is filtered, and the filter cake is washed to obtain a catalyst precursor. The catalyst was obtained by activating the precursor in an atmosphere furnace. The activation temperature was 500°C, the activation time was 4h, the heating rate was 5°C / min, normal pressure, and the gas flow rate was 200mL / min. The activation gas was a mixed gas of ethane and propane, of which ethane The volume ratio to propane is 9:1. The composition of the catalyst is shown in Table 1.
[0040] Take 1 gram of catalyst for evaluation in an isothermal fixed-bed reactor, and reduce it with hydrogen before the evaluation. ...
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