Load type nanocomposite oxide material for purifying environment and preparation thereof
A nano-composite and environmental purification technology, applied in the direction of catalyst activation/preparation, chemical instruments and methods, separation methods, etc., can solve the problems of small specific surface area of expanded perlite, low photocatalyst activity, weak filtration and adsorption effect, etc., to achieve Good filtration and adsorption effect, simple and easy preparation process, and low processing cost
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Embodiment 1
[0012] The supported nano-composite oxide environmental purification material of the present invention uses diatomite and zeolite as carriers, and supports nano-TiO 2 , nano-ZnO and nano-CeO 2 , wherein, diatomite and zeolite are 70% of the total mass of the material, and nano oxides are 30% of the total mass of the material; the proportion of diatomite and zeolite is diatomite by mass ratio: zeolite=1:1, The mixing ratio of nano oxides is TiO by mass ratio 2 :ZnO:CeO 2 =1:0.5:0.5.
[0013] The preparation method steps are as follows:
[0014] 1) Pass the diatomite and zeolite through a 100-mesh sieve, take 350g of diatomite and 350g of zeolite under the sieve, soak in 5000g of hydrochloric acid with a concentration of 5% for 3 hours, take it out, wash it with distilled water for 3 times, and dry it at 90°C 2 hours, then calcined at 200°C for 3 hours, taken out and cooled to obtain a carrier for future use.
[0015] 2) 275g zinc nitrate Zn(NO 3 ) 2 ·6H 2 O and 190g cer...
Embodiment 2
[0019] The supported nano-composite oxide environmental purification material of the present invention uses diatomite and zeolite as carriers, and supports nano-TiO 2 , nanometer ZnO, wherein, diatomite and zeolite are 70% of material gross mass, and nano-oxide is 30% of material gross mass; The mixing ratio of diatomite and zeolite is diatomite by mass ratio: zeolite=1 : 2, the compounding ratio of nano-oxide is TiO by mass ratio 2 :ZnO=1:1.
[0020] The preparation method steps are as follows:
[0021] 1) Pass the diatomite and zeolite through a 100-mesh sieve, take 233g of diatomite and 467g of zeolite under the sieve, soak them in 5000g of hydrochloric acid with a concentration of 5% for 2 hours, wash them with distilled water for 3 times after taking them out, and dry them at 80°C 5 hours, then calcined at 300° C. for 2 hours, taken out and cooled to obtain a carrier for future use.
[0022] 2) 550g zinc nitrate Zn(NO 3 ) 2 ·6H 2 O was dissolved in 1660g of absolute...
Embodiment 3
[0026] The supported nano-composite oxide environmental purification material of the present invention uses diatomite and zeolite as carriers, and supports nano-TiO 2 and nano-CeO 2 , wherein, diatomite and zeolite are 70% of the total mass of the material, and nano-oxides are 30% of the total mass of the material; the mixing ratio of diatomite and zeolite is diatomite: zeolite=1: 0.5 by mass ratio, The mixing ratio of nano oxides is TiO by mass ratio 2 : CeO 2 =1:1.
[0027] The preparation method steps are as follows:
[0028] 1) Pass the diatomite and zeolite through a 100-mesh sieve, take 467g of diatomite and 233g of zeolite under the sieve, soak them in 5000g of hydrochloric acid with a concentration of 5% for 3 hours, wash them with distilled water for 3 times after taking them out, and dry them at 80°C 5 hours, then calcined at 300° C. for 2 hours, taken out and cooled to obtain a carrier for future use.
[0029] 2) 380g cerium nitrate Ce(NO 3 ) 2 ·6H 2 O was d...
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