Catalyst for preparing mixed alcohol with low carbon from synthesis gas and its preparing process
A low-carbon mixed alcohol and catalyst technology, applied in the preparation of organic compounds, chemical instruments and methods, preparation of hydroxyl compounds, etc., can solve the problems of harsh requirements, loss of cobalt, catalyst stability and life limit, etc., to ensure stability and longevity, the effect of preventing loss
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Embodiment 1
[0027] Ammonium molybdate ((NH 4 ) 6 Mo 7 O 24 .24H 2 O) 12g and a concentration of not less than 17% ammonium sulfide ((NH 4 ) 2 S) 18.5g of the solution was reacted for half an hour at 40°C with stirring, and then 50ml of concentrated acetic acid (CH 3 COOH) reacted for another half an hour to finally generate ammonium thiomolybdate solution, and then add ion-free water to completely dissolve part of the precipitate. Weigh nickel acetate (Ni(CH 3 COO) 2 .4H 2 O) 6.3g, manganese acetate (Mn(CH 3 COO) 2 .4H 2 O) 6.8 g and 120 ml of non-ionized water are used to prepare an aqueous solution, and the ammonium thiomolybdate solution is dropped in parallel at 40° C. and reacts with stirring to form a precipitate. After washing with methanol, it was filtered. The precipitate was dried at 120°C to obtain a precipitate. Then 2.8 g of potassium carbonate was added. After uniform mixing, it is placed in a tube furnace under nitrogen atmosphere for calcination at 550°C for 1 hour, and after ...
Embodiment 2
[0029] Weigh ammonium molybdate ((NH 4 ) 6 Mo 7 O 24 .24H 2 O) 16.0g was added to a three-necked flask with 250ml ion-free water, and hydrogen sulfide (H 2 S) 15L of gas, react for half an hour at 60°C with stirring, and then add 75ml of concentrated acetic acid (CH 3 COOH) reacted for another half an hour to finally generate ammonium thiomolybdate solution, and then add ion-free water to completely dissolve part of the precipitate. Weighing configuration nickel acetate (Ni(CH 3 COO) 2 .4H 2 O)7.0g, manganese acetate (Mn(CH 3 COO) 2 .4H 2O) 7.5 g and 150 ml of non-ionized water are used to prepare an aqueous solution, and the ammonium thiomolybdate solution is dropped in parallel at 40° C. and reacts with stirring to form a precipitate. After washing with citric acid, filter. The precipitate was dried at 110°C to obtain a precipitate. Then, 3.0 g of potassium hydroxide was added, mixed uniformly, and calcined at 500° C. for 1.5 hours under a nitrogen atmosphere in a tube furnace. ...
Embodiment 3
[0031] Ammonium molybdate ((NH 4 ) 6 Mo 7 O 24 ·24H 2 O) 6.9g and a concentration of not less than 17% ammonium sulfide ((NH 4 ) 2 S) 10.7g of the solution was reacted for half an hour at 60℃ and stirring, and 50ml of concentrated acetic acid (CH 3 COOH) reacted for another half an hour to finally generate ammonium thiomolybdate solution, and then add ion-free water to completely dissolve part of the precipitate. Weighing configuration nickel acetate (Ni(CH 3 COO) 2 .4H 2 O) 5.0g, manganese acetate (Mn(CH 3 COO) 2 ·4H 2 O) 9.3 g and 150 ml of non-ionized water are used to prepare an aqueous solution, and the ammonium thiomolybdate solution is dropped in parallel at 50° C. and reacts with stirring to form a precipitate. After washing with ethanol, filter. The precipitate was dried at 100°C to obtain a precipitate. Then, 2.5 g of potassium carbonate prepared aqueous solution was added, immersed in an equal volume for 6 hours, dried at 80°C, and calcined in a tube furnace at 500°C un...
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