Method for preparing clean CO sulfur tolerant shift catalyst
A sulfur-resistant shift and catalyst technology, which is applied in catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of low strength stability, poor hydration resistance, short service life, etc. The effect of good stability, solving pollution problems and low loss rate of active components
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Embodiment 1
[0034] First dissolve 300g magnesium acetate in 500ml deionized water and 80g Al 2 O3 Fully mixed with 25g of metatitanic acid, dried, and roasted at 500 ° C for 4 hours; the roasted material (basic material A, the same for other embodiments) was pulverized through a 200-mesh sieve, and 100 g of powder (basic material A, other Example same), 170g Al(OH) 3 , 30g MgO, 15g metatitanic acid were mixed, the solution made of 8g acetic acid and 150ml deionized water was added for kneading, molding, and the catalyst carrier was obtained by calcining at 550 ° C for 3 hours after natural drying.
[0035] Take 100g of carrier, mix 15g of ammonium molybdate, 8.0g of cobalt acetate, 6.0g of potassium carbonate and 50ml of deionized water into a co-dipping solution, immerse the dipping solution in equal volume, dry it at 120°C, and decompose it at 500°C. The finished catalyst (catalyst number is C-1), its strength and strength stability are shown in Table 1.
Embodiment 2
[0037] First, 300g of magnesium acetate was dissolved in 500ml of deionized water, 110g of pseudo-boehmite and 20g of zinc oxide were fully mixed, dried, and roasted at 550 ° C for 4 hours. , 200g
[0038] Al 2 O 3 , 30g MgO, 10g titanium oxide are mixed, add the solution made up of 8g citric acid and 150ml deionized water for kneading, molding, after natural drying, calcination at 550 ℃ for 3 hours to obtain the catalyst carrier.
[0039] Take 100g of carrier, mix 15g of ammonium molybdate, 8.0g of cobalt acetate, 5.0g of potassium hydroxide and 50ml of deionized water into a co-dipping solution, immerse the dipping solution in equal volume, dry it at 120°C, and decompose it at 500°C. The finished catalyst (catalyst number is C-2) is obtained, and its strength and strength stability are shown in Table 1.
Embodiment 3
[0041] First, 300g of magnesium acetate was dissolved in 500ml of deionized water, 110g of pseudo-boehmite and 20g of titanium oxide were fully mixed, dried, and roasted at 500 ° C for 4 hours. , 200gAl 2 O 3 , 35g of magnesium hydroxide, 10g of titanium oxide were mixed, and a solution of 5g of citric acid, 5g of oxalic acid and 160ml of deionized water was added for kneading, molding and calcining at 550 ° C for 3 hours to obtain a catalyst carrier.
[0042] Take 100g of carrier, mix 15g of ammonium molybdate, 10.0g of cobalt oxalate, 5.0g of potassium hydroxide and 50ml of deionized water into a co-dipping solution, immerse the dipping solution in equal volume, dry it at 120°C, and decompose it at 500°C. The finished catalyst (catalyst number is C-3) is obtained, and its strength and strength stability are shown in Table 1.
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