Active material for removing formaldehyde and peculiar smell and preparation method thereof
An active material and deodorizing technology, which is applied in separation methods, chemical instruments and methods, and other chemical processes, can solve problems affecting production safety and social stability, strong pungent odors, and affecting human health, and achieve good formaldehyde removal Performance, strong antibacterial, good effect of removing formaldehyde
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Embodiment 1
[0029] Embodiment 1 removes formaldehyde, removes the active material of peculiar smell
[0030] Preparation:
[0031] S1. Modification of diatomite powder: Prepare a mixed aqueous solution containing 25wt% nitric acid and 35wt% sulfuric acid, grind 100g of diatomite powder to 1000 mesh, add 500mL of the above mixed aqueous solution, stir and react at 50°C for 3h, then take it out. After washing with water to neutrality, drying at a drying temperature of 50°C, and grinding to 1000 mesh to obtain modified diatomite powder;
[0032] S2. Preparation of solution A: 10g of tetrabutyl titanate was added to the reactor, and 30g of absolute ethanol was added under 300r / min magnetic stirring condition, and after mixing uniformly, solution A was obtained;
[0033] S3. Preparation of solution B: add 1g zinc nitrate, 0.5g silver nitrate, 0.1g nickel nitrate to 10g solution containing ammonia, ethanol and water respectively (NH 3 The mass fraction of ethanol is 5%, the mass fraction of e...
Embodiment 2
[0040] Embodiment 2 removes the active material of formaldehyde, peculiar smell
[0041] Preparation:
[0042] S1. Modification of diatomite powder: prepare a mixed aqueous solution containing 40wt% nitric acid and 50wt% sulfuric acid, grind 100g diatomite powder to 1000 mesh, add 500mL mixed aqueous solution, and keep stirring at 70°C for 5h Then take it out, wash it with water until neutral, dry it at 80°C, and grind it to 1000 mesh to obtain modified diatomite powder;
[0043] S2. Preparation of solution A: 10g of tetrabutyl titanate was added to the reactor, and 50g of absolute ethanol was added under 300r / min magnetic stirring condition, and after mixing evenly, solution A was obtained;
[0044] S3. Preparation of solution B: add 1g zinc nitrate, 1.5g silver nitrate, 0.5g nickel nitrate to 10g solution containing ammonia, ethanol and water respectively (NH 3 The massfraction of ethanol is 10%, the massfraction of ethanol is 20%, and the balance is water), after mixing u...
Embodiment 3
[0049] Embodiment 3 removes formaldehyde, removes the active material of peculiar smell
[0050] Preparation:
[0051] S1. Modification of diatomite powder: prepare a mixed aqueous solution containing 32wt% nitric acid and 42wt% sulfuric acid, grind 100g diatomite powder to 1000 mesh, add 500mL mixed aqueous solution, and keep stirring at 60°C for 4h Then take it out, wash with water until neutral, dry at 65°C, grind to 1000 mesh, and obtain modified diatomite powder;
[0052] S2. Preparation of solution A: 10g of tetrabutyl titanate was added to the reactor, and 40g of absolute ethanol was added under 300r / min magnetic stirring condition, and after mixing evenly, solution A was obtained;
[0053] S3. Preparation of solution B: add 1g zinc nitrate, 1g silver nitrate, 0.3g nickel nitrate to 10g solution containing ammonia, ethanol and water respectively (NH 3 The massfraction of ethanol is 7%, the massfraction of ethanol is 15%, and the balance is water), after mixing uniform...
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