Method for preparing n-pentene from n-pentanol
A technology of n-pentene and n-pentanol, which is applied in the field of n-pentene preparation, can solve the problems that n-pentene technology is seldom introduced, so as to improve the conversion rate of n-pentene, improve the selectivity of n-pentene, and improve the n-pentene The effect of high conversion rate of alcohol
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Embodiment 1
[0025] Weigh 200 grams of alumina (its total pore volume is 0.94 cm 3 / gram, the pore volume of the pore diameter10 nanometers accounts for 74.7% of the total pore volume), 60 grams of silica sol, and 12 grams of squash powder in the kneader Kneaded for 30 minutes, added 200 ml of 5% nitric acid solution, kneaded for another 10 minutes, then extruded, dried at 110°C for 10 hours, and activated in a muffle furnace at 650°C for 8 hours to obtain catalyst A. The molar ratio of catalyst alumina and silica is shown in Table 1. The catalyst performance evaluation test was carried out on a fixed-bed tubular reactor (Ф25×500 mm stainless steel), and the catalyst loading was 10 ml. The experimental conditions and reaction results are shown in Table 2.
Embodiment 2
[0027] Weigh 200 grams of alumina (its total pore volume is 0.80 cm 3 / gram, the pore volume of the pore diameter10 nanometers accounts for 64.9% of the total pore volume), 59 grams of white carbon black, and 12 grams of squid powder in a kneader Kneading in the medium for 30 minutes, adding 250 ml of 5% nitric acid solution, kneading for another 10 minutes, extruding, drying at 120°C for 5 hours, and activation in a muffle furnace at 550°C for 16 hours to obtain catalyst B. The molar ratio of catalyst alumina and silica is shown in Table 1. The catalyst performance evaluation test was carried out on a fixed-bed tubular reactor (Ф25×500 mm stainless steel), and the catalyst loading was 10 ml. The experimental conditions and reaction results are shown in Table 2.
Embodiment 3
[0029] Weigh 200 grams of alumina (its total pore volume is 1.12 cm 3 / gram, the pore volume of the pore diameter10 nanometers accounts for 59.5% of the total pore volume), 30 grams of silica sol, and 12 grams of squash powder in the kneader Kneaded for 30 minutes, added 220 ml of 5% nitric acid solution, kneaded for another 10 minutes, then extruded, dried at 90°C for 15 hours, and activated in a muffle furnace at 500°C for 18 hours to obtain catalyst C. The molar ratio of catalyst alumina and silica is shown in Table 1. The catalyst performance evaluation test was carried out on a fixed-bed tubular reactor (Ф25×500 mm stainless steel), and the catalyst loading was 10 ml. The experimental conditions and reaction results are shown in Table 2.
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