Octanol hydrorefining catalyst and preparation method thereof
A hydrogenation refining and catalyst technology, which is applied in hydrogenation preparation, chemical instruments and methods, preparation of hydroxyl compounds, etc. It can solve the problems of improving catalyst surface active sites, poor dispersion of active components, and reducing the distribution of active components, etc. problems, to achieve good industrial application prospects, high practical value, and the effect of improving catalytic performance
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Embodiment 1
[0028] Add 200g of pseudo-boehmite powder, 3g of celadon powder, 6g of concentrated nitric acid, and 180g of water, fully knead, and extrude into The trilobal-shaped strip-shaped carrier is dried at 110°C for 10 hours, and then roasted at 600°C for 3 hours to obtain the required carrier A; prepare 0.02mol / L lanthanum nitrate solution B, 1.0mol / L Mixed solution C of nickel nitrate + 1.0mol / L urea; immerse 10g of carrier A in lanthanum nitrate solution B for 3 hours, dry at 110°C and then roast at 50°C for 3 hours; then immerse in 20ml of C solution, put it in an autoclave, Place at 110°C for 24h, after the experiment is completed, dry at 110°C and bake at 500°C for 3h to prepare the catalyst precursor.
Embodiment 2
[0030] Add 200g of pseudo-boehmite powder, 3g of celadon powder, 6g of concentrated nitric acid, and 180g of water, fully knead, and extrude into The three-leaf-shaped strip-shaped carrier is dried at 110°C for 10 hours, and then roasted at 600°C for 3 hours to obtain the required carrier A; configure 0.02mol / L lanthanum nitrate solution B, 1.5mol / L Nickel nitrate + 1.5mol / L urea mixed solution C; firstly impregnate 10g of carrier A in lanthanum nitrate solution B for 3h, dry at 110°C and then roast at 500°C for 3h; then impregnate in 20ml of C solution and put it in an autoclave , placed at 110°C for 24h, after the experiment was completed, dried at 110°C and calcined at 500°C for 3h to obtain a catalyst precursor.
Embodiment 3
[0032] Add 200g of pseudo-boehmite powder, 5g of scallop powder, 8g of concentrated nitric acid, and 160g of water, fully knead, and extrude into The trilobal-shaped strip carrier, the formed carrier is dried at 110°C for 10h, and then roasted at 600°C for 3h to obtain the required carrier A; configure 0.05mol / L lanthanum nitrate solution B, 1.0mol / L Nickel nitrate + 1.0mol / L urea mixed solution C; firstly impregnate 10g of carrier A in lanthanum nitrate solution B for 3h, dry at 110°C and then roast at 500°C for 3h; then impregnate in 20ml of C solution and put it in an autoclave , placed at 120°C for 24h, after the experiment was completed, dried at 110°C and calcined at 500°C for 3h to obtain a catalyst precursor.
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