A kind of high thermal conductivity catalyst carrier and its preparation method and application
A catalyst carrier and high thermal conductivity technology, applied in the direction of catalyst carrier, carbon-based compound preparation, chemical instruments and methods, etc., can solve the problems of complex catalyst preparation process, low reactor utilization efficiency, large pore size of catalyst carrier, etc., and reach the market The effect of low price, avoiding loss and sintering, and sufficient source of raw materials
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Embodiment 1
[0032] Catalyst carrier preparation: put metal aluminum powder (particle size 20-25 μm) into distilled water and boil for 6 hours, filter, and dry the filter cake at 60° C. for 10 hours. Will 2L1.0×10 -6 mol / L sodium hydroxide solution was dripped into the obtained material at a rate of 2ml / min, and treated with electromagnetic stirring for 10h, filtered, washed until neutral, and the filter cake was dried at 100°C for 15h, and then dried under a nitrogen atmosphere Calcined at 400°C for 8 hours to obtain a catalyst carrier. The average particle range of metal aluminum carrier is 20-25μm, and the specific surface area is 75m 2 / g, the mesopore diameter is 12nm, the macropore diameter is 60nm, and the pore volume is 0.26cm 3 / g.
[0033] Catalyst preparation: account for 15 (wt)% of final catalyst by weighing Co(NO 3 ) 2 ·6H 2 O, measure deionized water according to the equal-volume impregnation method, prepare a salt solution and impregnate the above-mentioned carrier, t...
Embodiment 2
[0036] Catalyst carrier preparation: put metal aluminum powder (particle size 10-15 μm) into distilled water and boil for 6 hours, filter, and dry the filter cake at 60° C. for 10 hours. Will 2L1.0×10 -4 mol / L sodium hydroxide solution was dripped into the obtained material at a rate of 4ml / min, and treated with electromagnetic stirring for 10h, filtered, washed to neutrality, and the filter cake was dried at 100°C for 15h, and then dried at 400°C Calcined for 8 hours to obtain a catalyst carrier. The average particle range of metal aluminum carrier is 10-15μm, and the specific surface is 260m2 / g, the mesopore diameter is 8nm, the macropore diameter is 50nm, and the pore volume is 0.42cm 3 / g.
[0037] Catalyst preparation: account for 25 (wt)% and 5% of final catalyst by iron oxide and manganese oxide respectively, take by weighing Fe(NO 3 ) 3 9H 2 O and Mn(NO 3 ) 2 4H 2 O, measure deionized water according to the equal-volume impregnation method, prepare a mixed sal...
Embodiment 3
[0040] Catalyst carrier preparation: put MgAl alloy powder (mass percentage: Mg5%Al95%, particle size 10-15μm) into distilled water and boil for 6h, filter, and dry the filter cake at 60°C for 10h. Will 5L1.0×10 -4 mol / L hydrochloric acid solution was dropped into the obtained material at a rate of 5ml / min, and treated with electromagnetic stirring for 6h, filtered, washed until neutral, dried at 80°C for 9h, and then roasted at 350°C for 10h , to obtain a catalyst support. The average particle range of metal aluminum carrier is 10-15μm, and the specific surface is 402m 2 / g, the mesopore diameter is 7nm, the macropore diameter is 52nm, and the pore volume is 0.71cm 3 / g.
[0041] Catalyst preparation: account for 3 (wt)% of final catalyst by weighing Ru(NO)(NO 3 ) 3 , Measure deionized water according to the equal-volume impregnation method, prepare a salt solution and impregnate the above-mentioned carrier for 6 hours, dry at 60°C for 10 hours after impregnation, and ro...
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