Method for preparing geopolymer rubber composite material by utilizing spent FCC (fluid catalytic cracking) catalyst
A technology of geopolymer and waste catalyst, applied in the field of solid waste resource utilization, can solve the problems of high brittleness, environmental pollution, energy waste, etc., and achieve the effect of improving toughness and strength
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[0036] Example 1:
[0037] The geopolymer rubber composite material is prepared from FCC waste catalyst. The mass ratio of ultrafine FCC waste catalyst powder, ultrafine fly ash, waste rubber powder, and sodium silicate is 40:20:15:30; among them, ultrafine FCC The waste catalyst powder is made by FCC waste catalyst ball milling, and its specific surface area is 325m 2 / kg, 28-day activity index 95%; ultra-fine fly ash is made by ball milling of fly ash, and its specific surface area is 550m 2 / kg, 28-day activity index 98%; waste rubber powder is mechanically processed and crushed from waste rubber tires, with a particle size of 30 mesh; add appropriate amount of water to the above mixture, and prepare a geopolymer rubber composite after stirring, molding and curing material.
[0038] The leaching concentration of nickel in the prepared geopolymer rubber composite material was reduced from 9.6 mg / L to 1.5 mg / L, the leaching toxicity of V element was reduced from 18.2 mg / L to 3.2 m...
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[0039] Example 2:
[0040] The geopolymer rubber composite material is prepared from FCC waste catalyst. The mass ratio of ultrafine FCC waste catalyst powder, ultrafine fly ash, waste rubber powder, and sodium hydroxide is 60:10:10:20; among them, ultrafine FCC The waste catalyst powder is made by FCC waste catalyst ball milling, and its specific surface area is 425m 2 / kg, 28-day activity index 98%; ultra-fine fly ash is made by ball milling of fly ash, and its specific surface area is 600m 2 / kg, 28-day activity index 98%; waste rubber powder is mechanically processed and crushed from waste rubber tires, with a particle size of 40 mesh; add water with a mass of 0.4 of the total mass of the mixture to the above mixture, and stir, shape, The geopolymer rubber composite material is prepared by curing.
[0041] The leaching concentration of nickel in the prepared geopolymer rubber composite material is reduced from 9.6mg / L to 0.98mg / L, the leaching toxicity of V element is reduced f...
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[0042] Example 3:
[0043] The geopolymer rubber composite material is prepared from FCC waste catalyst. The mass ratio of ultrafine FCC waste catalyst powder, ultrafine fly ash, waste rubber powder, and water glass is 50:15:10:30; among them, ultrafine FCC waste The catalyst powder is made by ball milling of spent FCC catalyst, with a specific surface area of 450m 2 / kg, 28-day activity index is 90%; ultra-fine fly ash is made by ball milling of fly ash, and its specific surface area is 600m 2 / kg, 28-day activity index 90%; waste rubber powder is mechanically processed and crushed from waste rubber tires, with a particle size of 50 mesh; the chemical formula of water glass is R 2 O·nSiO 2 , Where R is Na or K, and n is 0.8-2.0; adding water with a mass of 0.45 of the total mass of the above mixture to the above mixture, and preparing the geopolymer rubber composite material through stirring, molding and curing.
[0044] The leaching concentration of nickel in the prepared geopol...
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