Filter material for removing formaldehyde and preparation method thereof
A filter material and formaldehyde technology, which is applied in the field of formaldehyde removal filter material and its preparation, can solve the problems of low adsorption rate of activated carbon and long adsorption time, and achieve the effect of improving efficiency and solving low adsorption rate
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Embodiment 1
[0028] The powder is prepared from the following components by weight: 27% kaolin, 28% sepiolite, 16% attapulgite, 24% diatomite, 1% aluminum oxide powder, 0.6% metal foil powder, titanium dioxide Powder 2%, copper sulfate powder 1.4%;
[0029] The liquid material is prepared from the following components in weight ratio: 20% of nano zinc oxide, 25% of nano zirconium dioxide, and 55% of water.
[0030] Proportion the powder and liquid materials according to the weight ratio of 1:0.45, and then pass through the granulator, cylinder dryer and round basin dryer in sequence to make the powder and liquid materials form granules together. And the water content of the particles is reduced to below 1%, and the removal rate is as high as 93.1%.
Embodiment 2
[0032] The powder is prepared from the following components by weight: 25% kaolin, 35% sepiolite, 15% attapulgite, 20% diatomite, 1.1% aluminum oxide powder, 0.3% metal foil powder, titanium dioxide Powder 3%, copper sulfate powder 0.6%;
[0033] The liquid material is prepared from the following components in weight ratio: 24% of nano zinc oxide, 30% of nano zirconium dioxide, and 46% of water.
[0034] Proportion the powder and liquid materials according to the weight ratio of 1:0.45, and then pass through the granulator, cylinder dryer and round basin dryer in sequence to make the powder and liquid materials form granules together. And the water content of the particles is reduced to below 1%, and the removal rate is as high as 94.4%.
Embodiment 3
[0036] The powder is prepared from the following components by weight ratio: kaolin 21%, sepiolite 30%, attapulgite 20%, diatomite 23%, alumina powder 1.2%, metal foil powder 0.4%, titanium dioxide Powder 4%, copper sulfate powder 0.4%;
[0037] The liquid material is prepared from the following components in weight ratio: 18% of nano zinc oxide, 24% of nano zirconium dioxide, and 58% of water.
[0038] Proportion the powder and liquid materials according to the weight ratio of 1:0.45, and then pass through the granulator, cylinder dryer and round basin dryer in sequence to make the powder and liquid materials form granules together. And the water content of the particles is reduced to below 1%, and the removal rate is as high as 97.6%.
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