A kind of preparation method of catalytic wet oxidation catalyst
A catalytic wet oxidation and catalyst technology, applied in the direction of physical/chemical process catalysts, catalyst carriers, metal/metal oxide/metal hydroxide catalysts, etc., can solve the problems of high sludge impurity content, complex structure, and non-repeatability , to achieve the effects of improving utilization rate, improving activity and stability, improving mechanical strength and anti-wear performance
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Embodiment 1
[0050] Solid aluminum chloride was added to distilled water while heating and stirring until dissolved to obtain solution (a). Add an appropriate amount of distilled water to the concentrated ammonia water and dilute it into about 10wt% dilute ammonia water (b). Add the powdered coconut shell charcoal to the glutamic acid aqueous solution and mix evenly, the liquid-solid volume ratio is 3:1, then add water and make a slurry to obtain the slurry (c). After adding (a) into the gelling tank and stirring and heating to 60°C, open the valve of the container containing (b), and control the system in the tank to drop to pH=4.0 within 10 minutes, then add (c), continue to add (b) dropwise, and control the dropwise addition of the tank system to pH=8.0 within 30 minutes. Keep the temperature at 60°C, pH=8.0, age for 1 hour, filter the material in the tank to a dry basis content of 15wt%, transfer the material to an autoclave, treat it at 180°C for 4 hours, filter, and wash until there...
Embodiment 2
[0053] Solid aluminum sulfate was added to distilled water while heating and stirring until dissolved to obtain solution (a). Add an appropriate amount of distilled water to the concentrated ammonia water and dilute it into about 10wt% dilute ammonia water (b). Add powdery coconut shell charcoal to glutamic acid aqueous solution and mix evenly, the volume ratio of liquid to solid is 3:1, then add water to beat to obtain activated carbon slurry (c). Take a plastic tank, add (a) into the tank, stir and heat to 60°C, open the valve of the container containing (b), control the system in the tank to drop to pH=4.0 within 10 minutes, open (c ) the valve of the container, continue to drop (b), control the dropwise addition of the system in the tank to pH=8.0 within 30 minutes, control the valve of the container of (c), and ensure that the drop is completed at this time. Keep the temperature at 60°C, pH=8.0, age for 1 hour, dry the material in the tank at 100°C in an oven to a dry ba...
Embodiment 3
[0056] Solid aluminum sulfate was added to distilled water while heating and stirring until dissolved to obtain solution (a). The solid sodium metaaluminate is formulated to a concentration of 250g Al 2 o3 / L sodium aluminate solution (b). Add powdered coconut shell charcoal to glutamic acid aqueous solution and mix evenly, the volume ratio of liquid to solid is 3:1, then add water to make a slurry to obtain slurry (c). Take a glue tank, put 2L of deionized water into it, stir and heat it to 60°C, then add the slurry (c), open the valve of the container containing (a) and (b) at the same time, control the pH of the system to 8.0, and control it for 45 minutes After dripping (a) inside, close the valve. Keep the temperature at 60°C, pH=8.0, age for 1 hour, filter the material in the tank to a dry basis content of 15wt%, transfer the material to an autoclave, treat at 180°C for 4 hours, filter, and wash until there is no sulfate ion , filtered, and the filter cake was dried a...
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