Method for preparing fluidized bed cobalt-based Fisher-Tropsch synthesis catalyst
A catalyst and Tropsch synthesis technology, which is applied in the field of preparation of fluidized bed cobalt-based Fischer-Tropsch synthesis catalysts, can solve problems such as complex processes, and achieve the effects of simplified processes, strong mechanical strength, and time saving
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Embodiment 1
[0019] Under normal temperature conditions, 817.9 grams of cobalt nitrate was dissolved in water to make solution I; 12 grams of cerium nitrate was dissolved in water to make solution II; solution I was mixed with solution II to make solution III; 119 grams of zirconium nitrate was dissolved in Water is mixed with 1800 grams of industrial silica sol with a solid content of 40% by weight, solution III is mixed with the mixture solution to obtain solution IV; 7.54 grams of KOH is dissolved in water and added dropwise to solution IV to obtain solution V, and nitric acid is added to solution V Adjust the pH value to 0.1 and the viscosity to 5 to obtain a slurry VI with a solid content of 10% by weight; dry the slurry with a centrifugal spray dryer, and the inlet and outlet temperatures are 200°C and 100°C respectively; then roast , a calcination temperature of 750°C and a calcination time of 0.15 hours to obtain a cobalt-based Fischer-Tropsch synthesis catalyst for a microspherical...
Embodiment 2
[0021] Under normal temperature conditions, 760 grams of cobalt nitrate was dissolved in water to make solution I; 7.6 grams of lanthanum nitrate was dissolved in water to make solution II; solution I was mixed with solution II to make solution III; 111 grams of zirconium nitrate was dissolved in Water is mixed with 1800 grams of industrial silica sol with a solid content of 40% by weight, solution III is mixed with the mixture solution to obtain solution IV; 1.7 grams of KOH dissolved in water is added dropwise to solution IV to obtain solution V, and nitric acid is added to solution V Adjust the pH value to 7, the viscosity to 500, and obtain a slurry VI with a solid content of 30% by weight; dry the slurry with a centrifugal spray dryer, and the inlet and outlet temperatures are 350°C and 200°C respectively; then roast , a calcination temperature of 700° C. and a calcination time of 0.5 hour to obtain a cobalt-based Fischer-Tropsch synthesis catalyst for a microspherical flu...
Embodiment 3
[0023] Under normal temperature conditions, 853 grams of cobalt nitrate was dissolved in water to make solution I; 12 grams of cerium nitrate was dissolved in water to make solution II; solution I was mixed with solution II to make solution III; 223 grams of zirconium nitrate was dissolved in Water is mixed with 1800 grams of industrial silica sol with a solid content of 40% by weight, solution III is mixed with the mixture solution to obtain solution IV; 3.4 grams of KOH is dissolved in water and added dropwise to solution IV to obtain solution V, and nitric acid is added to solution V Adjust the pH value to 4 and the viscosity to 90 to obtain a slurry VI with a solid content of 45% by weight; dry the slurry with a centrifugal spray dryer, and the inlet and outlet temperatures are 300°C and 150°C respectively; then roast , a calcination temperature of 600° C. and a calcination time of 2 hours to obtain a cobalt-based Fischer-Tropsch synthesis catalyst for a microspherical flui...
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