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Biological environment-protecting preparation for adsorbing formaldehyde

A bio-environmental and formaldehyde-absorbing technology, applied in gas treatment, membrane technology, and other chemical processes, can solve the problems of secondary pollution and poor effect, and achieve the effect of improving adsorption capacity, reasonable raw material compatibility, and good effect

Inactive Publication Date: 2016-05-04
上海源述基因科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome technical problems such as poor adsorbent effect of formaldehyde and other harmful gases in the prior art, and easy to produce secondary pollution, the present invention provides a bio-environmental protection preparation for adsorbing formaldehyde, which has good adsorption effect, environmental protection and no pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A bio-environmental protection preparation for adsorbing formaldehyde, which is prepared from the following raw materials in parts by weight:

[0022] 1 part of attapulgite, 1 part of chitin, 2 parts of sodium dodecylsulfonate, 2 parts of kaolin, 3 parts of bamboo charcoal fiber, 4 parts of quartz sand, 4 parts of mountain bean root, 5 parts of diatomaceous earth, sepiolite 6 parts, 8 parts of rice straw, 15 parts of activated carbon, 25 parts of water;

[0023] The preparation method of the above-mentioned bio-environmental protection preparation specifically includes the following steps:

[0024] Step 1) Weighing raw materials: Weighing each raw material according to parts by weight for subsequent use;

[0025] Step 2) Grinding: mix sepiolite and quartz sand, and grind it into a powder with a particle size of 100um;

[0026] Step 3) Stirring and heat preservation: add attapulgite, chitin, sodium dodecylsulfonate and the powder prepared in step 2) to water in sequenc...

Embodiment 2

[0031] A bio-environmental protection preparation for adsorbing formaldehyde, which is prepared from the following raw materials in parts by weight:

[0032] Attapulgite 2 parts, chitin 2 parts, sodium dodecyl sulfonate 3 parts, kaolin 3 parts, bamboo charcoal fiber 4 parts, quartz sand 5 parts, mountain bean root 5 parts, diatomite 7 parts, sepiolite 8 parts, 10 parts of rice straw, 20 parts of activated carbon, 35 parts of water;

[0033] The preparation method of the above-mentioned bio-environmental protection preparation specifically includes the following steps:

[0034] Step 1) Weighing raw materials: Weighing each raw material according to parts by weight for subsequent use;

[0035] Step 2) Grinding: mix sepiolite and quartz sand, and grind it into a powder with a particle size of 100um;

[0036] Step 3) Stirring and heat preservation: add attapulgite, chitin, sodium dodecylsulfonate and the powder prepared in step 2) to water in sequence, stir evenly, then heat to ...

Embodiment 3

[0041] The effect test of removing formaldehyde and other harmful pollutants of the biological environmental protection preparation of the present invention:

[0042] Take 3 g of the adsorbents of Examples 1-2 respectively, place them in a reactor for experiments, and simulate and detect common harmful gases in the room. The conditions are as follows: synthetic air composed of formaldehyde, toluene and hydrogen sulfide is blown into the reaction system to control the concentration of formaldehyde. 3mg / m 3 , the concentration of toluene is 10mg / m 3 , hydrogen sulfide 1.2mg / m 3 , the reaction space velocity (GHSV) is 80,000h -1 . The adsorption capacity of the adsorbent to harmful pollutants such as formaldehyde was detected (harmful gas / adsorbent=mg / g), and the results are shown in Table 1.

[0043] Table 1

[0044] group formaldehyde toluene hydrogen sulfide Example 1 25.9mg / g 73.2mg / g 6.3mg / g Example 2 26.1mg / g 71.8mg / g 6.6mg / g

...

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Abstract

The invention belongs to the technical field of environment protection, and discloses a biological environment-protecting preparation for adsorbing formaldehyde. The biological environment-protecting preparation is prepared from the following raw materials in parts by weight: 1-2 parts of attapulgite, 1-2 parts of chitin, 2-3 parts of sodium dodecyl sulfate, 2-3 parts of kaolin, 3-4 parts of bamboo charcoal fiber, 4-5 parts of quartz sand, 4-5 parts of radix sophorae subprostratae, 5-7 parts of diatomite, 6-8 parts of sepiolite, 8-10 parts of rice straw, 15-20 parts of activated carbon and 25-35 parts of water. The biological environment-protecting preparation is good in effect of removing formaldehyde and other harmful gases, environment-friendly and pollution-free.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a biological environmental protection preparation for absorbing formaldehyde. Background technique [0002] Formaldehyde, chemical formula HCHO, formula weight 30.03, also known as formaldehyde. It is a colorless gas with a special irritating odor, which is irritating to human eyes and nose. The relative density of the gas is 1.067, the density of the liquid is 0.815g / cm3, the melting point is -92°C, and the boiling point is -19.5°C. Soluble in water and ethanol. The concentration of the aqueous solution can be up to 55%, usually 40%, called formaldehyde water, commonly known as formalin (formalin), is a colorless liquid with a pungent smell. Indoor air pollution has become the cause of many diseases, and formaldehyde is a major aspect of indoor air pollution. The problem of formaldehyde pollution is mainly concentrated in the living room, textiles...

Claims

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Application Information

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IPC IPC(8): B01J20/24B01J20/30B01D53/02
CPCB01D53/02B01D2257/702B01D2257/91B01J20/10B01J20/103B01J20/12B01J20/14B01J20/20B01J20/223B01J20/24
Inventor 张勋
Owner 上海源述基因科技有限公司
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