Preparation method for catalyst containing copper and zinc
A copper catalyst and catalyst technology, applied in the preparation of organic compounds, chemical instruments and methods, preparation of hydroxyl compounds, etc., to achieve high activity and good thermal stability
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[0027] Example 1
[0028] Add 500mL water in dissolving tank 1, add 105gZn (NO 3 ) 2 ·6H 2 O is dissolved to form solution A, the temperature of solution A is raised to 65°C, and CO with a concentration of 90v% is passed into solution A 2 , the pH value of the slurry was controlled to be 7.5±0.2 when gelling, and the reaction time was 0.5h to generate the slurry I containing sediment. Add 500mL of water into the dissolution tank 2, then add 34 grams of sodium metaaluminate to dissolve, and make solution B, raise the temperature of solution B to 65°C, and inject CO with a concentration of 90v% into solution B 2 , the pH value of the slurry was controlled to be 7.8±0.2 when gelling, and the reaction time was 0.5h to generate the slurry II containing sediment. Into solution A CO 2The molar ratio of the total amount of gas to the zinc salt is 3.5, and CO is passed into solution B 2 The total amount of gas and Al in solution B 2 o 3 The molar ratio was 4.0. The two sedimen...
Example Embodiment
[0030] Example 2
[0031] Add 250mL water in dissolving tank 1, add 87gZn (NO 3 ) 2 ·6H 2 O is dissolved to form solution A, the temperature of solution A is raised to 60°C, and CO with a concentration of 95v% is passed into solution A 2 , the pH value of the slurry was controlled to be 7.8±0.2 when gelling, and the reaction time was 0.5h to generate the slurry I containing sediment. Add 300mL of water into the dissolution tank 2, then add 48 grams of sodium metaaluminate to dissolve, and make solution B, raise the temperature of solution B to 65°C, and inject CO with a concentration of 95v% into solution B 2 , the pH value of the slurry was controlled to be 7.8±0.2 when gelling, and the reaction time was 0.5h to generate the slurry II containing sediment. Into solution A CO 2 The molar ratio of the total amount of gas to the zinc salt is 3.8, and CO is passed into solution B 2 The total amount of gas and Al in solution B 2 o 3 The molar ratio was 4.4. The two sedimen...
Example Embodiment
[0033] Example 3
[0034] Add 400mL water in dissolving tank 1, add 78gZn (NO 3 ) 2 ·6H 2 O is dissolved to form solution A, the temperature of solution A is raised to 65°C, and CO with a concentration of 88v% is passed into solution A 2 , the pH value of the slurry was controlled to be 8.0±0.2 when gelling, and the reaction time was 0.5h to generate the slurry I containing sediment. Add 400mL of water into the dissolution tank 2, then add 44 grams of sodium metaaluminate to dissolve, and make solution B, raise the temperature of solution B to 55°C, and inject CO with a concentration of 90v% into solution B 2 , the pH value of the slurry was controlled to be 7.6±0.2 when gelling, and the reaction time was 0.5h to generate the slurry II containing sediment. Into solution A CO 2 The molar ratio of the total amount of gas to the zinc salt is 2.8, and CO is passed into solution B 2 The total amount of gas and Al in solution B 2 o 3 The molar ratio was 3.5. The two sedimen...
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