Preparation method of poisoning-resistant catalyst for unsaturated oil hydrogenation
A technology for oil hydrogenation and catalyst, applied in the field of catalysis, can solve problems such as high price and loss of competitive advantages of catalysts, and achieve the effects of stable physical parameters, not easy to oxidize, not easy to pulverize
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Embodiment 1
[0017] 1. Catalyst preparation
[0018] Prepare alkaline precipitant solution:
[0019] Weigh 20g of sodium carbonate, pour it into 500ml of deionized water, and stir until completely dissolved.
[0020] Prepare nickel salt solution:
[0021] Weigh 45g NiSO 4 .6HO 2 , Pour into 1600ml deionized water, stir until completely dissolved.
[0022] Prepare the iron salt solution:
[0023] Weigh 2.5gFe 2 (SO 4 ) 3 Pour into 200ml deionized water and stir until completely dissolved.
[0024] Mix the above-mentioned nickel salt solution and iron salt solution thoroughly.
[0025] Pour the prepared alkaline precipitant solution into the reaction kettle, heat to 65°C, slowly add it to the alkaline precipitant solution while stirring, control for 1 hour, and quickly adjust the pH of the solution to 7-9 after adding , Then add the alumina carrier, age for 30 minutes, filter, and wash with deionized water until there is no acid ion.
[0026] Weigh 50g of the above filter cake, put it in an oven, dry at ...
Embodiment 2
[0036] 1. Catalyst preparation
[0037] Prepare alkaline precipitant solution:
[0038] Weigh 20g of sodium carbonate, pour it into 500ml of deionized water, and stir until completely dissolved.
[0039] Prepare nickel salt solution:
[0040] Weigh 45g NiSO 4 .6HO 2 , Pour into 1600ml deionized water, stir until completely dissolved.
[0041] Prepare the iron salt solution:
[0042] Weigh 2.5gFe 2 (SO 4 ) 3 Pour into 200ml deionized water and stir until completely dissolved.
[0043] Mix the above-mentioned nickel salt solution and iron salt solution thoroughly.
[0044] Pour the prepared alkaline precipitant solution into the reaction kettle, heat to 65°C, slowly add it to the alkaline precipitant solution while stirring, control for 1 hour, and quickly adjust the pH of the solution to 7-9 after adding , Then add the alumina carrier, age for 30 minutes, filter, and wash with deionized water until there is no acid ion.
[0045] Weigh 50g of the above filter cake, put it in an oven, dry at ...
Embodiment 3
[0055] 1. Catalyst preparation
[0056] Prepare alkaline precipitant solution:
[0057] Weigh 20g of sodium carbonate, pour it into 500ml of deionized water, and stir until completely dissolved.
[0058] Prepare nickel salt solution:
[0059] Weigh 45g NiSO 4 .6HO 2 , Pour into 1600ml deionized water, stir until completely dissolved.
[0060] Prepare the iron salt solution:
[0061] Weigh 2.5gFe 2 (S0 4 ) 3 Pour into 200ml deionized water and stir until completely dissolved.
[0062] Preparation of rare earth salt solution:
[0063] Weigh 0.5gLa(NO 3 ) 3 ·6H 2 O, Ce(NO 3 ) 3 ·6H 2 O was poured into 100ml of deionized water and stirred until completely dissolved.
[0064] The above-mentioned nickel salt solution, iron salt solution and rare earth salt solution are thoroughly mixed.
[0065] Pour the prepared alkaline precipitant solution into the reaction kettle, heat to 65°C, slowly add it to the alkaline precipitant solution while stirring, control for 1 hour, and quickly adjust the pH of t...
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