Method of converting coupled waste FCC catalyst and fly ash into resources
A catalyst and fly ash technology, applied in the field of solid waste resource utilization, can solve the problems of single product use, low product quality, high production cost, etc., and achieve the effect of simple operation, low production cost and high added value
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Embodiment 1
[0027] A method for coupled resource utilization of waste FCC catalyst and fly ash. The steps of the method described in this embodiment are:
[0028] Step 1: Mix 20-30wt% of spent FCC catalyst, 40-50wt% of fly ash and 30-40wt% of solid alkali activator, and stir evenly to obtain a mixture.
[0029] The second step: according to the mass ratio of the mixture: water is 1:0.2-0.3, adding the water into the mixture, stirring evenly under the condition of 70-80° C. to obtain the mixture activated gel.
[0030] Step 3: Add the mixture-activated gel into the mold, then place the mold on a vibrating table and vibrate for 3-5 minutes or vibrate the mixture-activated gel in the mold with a vibrating rod for 1-5 minutes 3 minutes, curing for 4-10 hours under the conditions of 40-85° C. and a relative humidity greater than 90%, demoulding, and continuing curing for 3-5 days at room temperature to obtain a gel-cured material.
Embodiment 2
[0032] A method for coupled resource utilization of waste FCC catalyst and fly ash. The steps of the method described in this embodiment are:
[0033] Step 1: Mix 30-40wt% of spent FCC catalyst, 35-45wt% of fly ash and 25-35wt% of solid alkali activator, and stir evenly to obtain a mixture.
[0034] The second step: according to the mass ratio of the mixture:water of 1:0.25-0.35, the water is added to the mixture, stirred evenly under the condition of 75-85° C. to obtain the mixture activated gel.
[0035] Step 3: Add the mixture-activated gel into the mold, then place the mold on a vibrating table and vibrate for 3-5 minutes or vibrate the mixture-activated gel in the mold with a vibrating rod for 1-5 minutes 3 minutes, curing for 10-18 hours at 40-85° C. and a relative humidity greater than 90%, demoulding, and continuing curing for 4-6 days at room temperature to obtain a gel-cured material.
Embodiment 3
[0037] A method for coupled resource utilization of waste FCC catalyst and fly ash. The steps of the method described in this embodiment are:
[0038] Step 1: Mix 20-30wt% of spent FCC catalyst, 30-40wt% of fly ash and 40-50wt% of solid alkali activator, and stir evenly to obtain a mixture.
[0039] The second step: according to the mass ratio of the mixture: water being 1:0.3-0.4, adding the water into the mixture, stirring evenly under the condition of 80-90° C. to obtain the mixture activated gel.
[0040] Step 3: Add the mixture stimulating gel into the mold, then place the mold on a vibrating table and vibrate for 3 to 5 minutes or vibrate the mixture stimulating gel in the mold for 1 to 5 minutes with a vibrating rod 3 minutes, curing for 18-24 hours under the conditions of 40-85° C. and relative humidity greater than 90%, demoulding, and continuing curing for 5-7 days at room temperature to obtain a gel-cured material.
[0041] Compared with the prior art, this specif...
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