Method for cyclic regeneration of magnesium alkylation reaction catalyst
A technology of catalyst circulation and chemical reaction, applied in the direction of catalyst regeneration/reactivation, physical/chemical process catalysts, chemical instruments and methods, etc., can solve problems such as waste of resources, achieve no secondary pollution, high environmental and economic value, Avoid the effects of processing
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[0026] Example 1:
[0027] like figure 1 As shown, 40 grams of waste magnesium oxide catalyst was weighed, dried at 80 degrees Celsius, and then put into a ball mill to be pulverized to more than 80 mesh. Put the crushed waste magnesium oxide catalyst into a muffle furnace for roasting, the roasting temperature is 450 degrees Celsius, and the roasting time is 4 hours. Put the calcined magnesium oxide powder into a 1000 ml flask, add 500 ml of deionized water at a temperature of 80 degrees Celsius, and stir for 1 hour using a water bath at a constant temperature of 80 degrees Celsius. Then, at a constant temperature of 80 degrees Celsius, the stirring speed was adjusted to 400 rpm, carbon dioxide gas was introduced into the slurry, and the flow rate of carbon dioxide was controlled to be 100 ml per minute. Stirring was continued for 4 hours, and then the slurry was suction filtered with a vacuum pump to obtain a filter cake. The filter cake was dried in a drying oven at 80 d...
Example Embodiment
[0030] Embodiment 2:
[0031] Weigh 60 grams of waste magnesium oxide catalyst, dry it at 80 degrees Celsius, put it in a ball mill and pulverize it to more than 80 mesh. The crushed waste magnesium oxide catalyst was put into a muffle furnace for roasting, the roasting temperature was 500 degrees Celsius, and the roasting time was 4 hours. Put the calcined magnesium oxide powder into a 1000 ml flask, add 600 ml of deionized water at a temperature of 80 degrees Celsius, and stir for 1 hour using a water bath at a constant temperature of 80 degrees Celsius. Then at a constant temperature of 80 degrees Celsius, the stirring speed was adjusted to 300 rpm, and carbon dioxide gas was introduced into the slurry, and the flow rate of carbon dioxide was controlled to be 200 ml per minute. Stirring was continued for 6 hours, and then the slurry was suction filtered with a vacuum pump to obtain a filter cake. The filter cake was dried in a drying oven at 80 degrees Celsius for 10 hour...
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