CN114534470A - Ecological space purifying solution and preparation method thereof - Google Patents

Ecological space purifying solution and preparation method thereof Download PDF

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Publication number
CN114534470A
CN114534470A CN202210292676.7A CN202210292676A CN114534470A CN 114534470 A CN114534470 A CN 114534470A CN 202210292676 A CN202210292676 A CN 202210292676A CN 114534470 A CN114534470 A CN 114534470A
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formaldehyde
solution
ecological space
catalyst
water
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CN114534470B (en
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胡志泉
黄树华
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Guangdong Anjajie Environmental Protection Service Co ltd
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Guangdong Anjajie Environmental Protection Service Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
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Abstract

The invention relates to an ecological space purification solution and a preparation method thereof, wherein the purification solution comprises the following components: the formaldehyde dissolving agent is used as a reaction carrier when the formaldehyde is purified by the purifying solution, the formaldehyde capture agent and the gel material are dissolved into liquid state while the formaldehyde is adsorbed, the formaldehyde capture agent and the gel material can be permeated into the material while a reaction space and reaction conditions are provided for the formaldehyde and the formaldehyde capture agent, the formaldehyde in the material is dissolved, the formaldehyde and the formaldehyde capture agent are fully reacted, the reaction efficiency can be improved by catalysis of the catalyst, then the purifying solution loses moisture along with time, the gel material forms colloid along with the reduction of the moisture and forms a film on the surface of the material, then the gel material is completely dried, the unreacted formaldehyde and the formaldehyde capture agent are locked in the material, and therefore the formaldehyde is prevented from being dispersed into the air, and meanwhile, the unreacted formaldehyde capture agent can be continuously reacted with the formaldehyde in the material.

Description

Ecological space purifying solution and preparation method thereof
Technical Field
The invention relates to the technical field of formaldehyde purification, in particular to an ecological space purification solution and a preparation method thereof.
Background
New houses, office areas and newly decorated floors, wallpapers, paints, wardrobes and furniture cause high pollution components such as formaldehyde, benzene, TVOC, toluene and xylene in the air, organic matters deteriorate to generate hydrogen sulfide, gram positive bacteria, negative bacteria, saccharomycetes and the like, even dominant odor is generated in the air, and the health of people can be threatened. Especially pregnant women, infants and old people.
The traditional method for removing formaldehyde comprises plant absorption, ventilation and discharge, a carbon adsorption method and a place needing to be emptied, the treatment for more than 3-6 months is needed for improvement, the effects of removing formaldehyde and removing odor are not obvious, the light source and material limitation is caused by the optical media purification, and the main raw material nano titanium dioxide is toxic and whether the method is safe before and after the optical media purification is also to be verified.
Air purification sprayers on the market are classified into negative ion type, ozone type, filtration adsorption type, electrostatic integration type and photocatalyst type. Different air purifiers have different working principles, for example, the negative ions are generated to decompose peculiar smell and attached smoke dust in the air, so that the purpose of purifying the indoor air is achieved, but the air purifier has a certain effect on absorbing formaldehyde, but the air purifier is generally effective only in a closed space. If use air purifier under the condition of windowing, not only do not have little effect but also waste the electric energy.
Disclosure of Invention
The first problem to be solved by the invention is to provide an ecological space purifying solution aiming at the current situation of the prior art, which has the advantages of high formaldehyde absorption rate, convenient use, low cost, greenness and safety, and solves the problems in the prior art.
The second problem to be solved by the present invention is to provide a method for preparing the above ecological space purifying solution, aiming at the current situation of the prior art.
The technical scheme adopted by the invention for providing the first technical problem is as follows: an ecological space purifying solution comprises the following components: the formaldehyde solution, the formaldehyde capture agent, the cementing material and the catalyst are mixed according to a ratio of 92% of the concentration of the formaldehyde solution, 1% of the formaldehyde capture agent, 4% of the cementing material and 3% of the concentration of the catalyst.
Preferably, the formaldehyde dissolving agent is water.
Preferably, the formaldehyde scavenger is tea polyphenol, specifically at least one of catechin, epicatechin gallate, epigallocatechin, and epigallocatechin gallate.
Preferably, the gelling material is sodium silicate.
Preferably, the catalyst is zinc chloride.
The technical scheme adopted by the invention for providing the second technical problem is as follows: the preparation method of the ecological space purifying solution comprises the following steps:
(1) soaking folium Camelliae sinensis in clear water for a short time, removing dust, and drying in the shade.
(2) Putting tea into water, boiling the water, cooling and filtering to obtain a mixed liquid tea polyphenol solution of a formaldehyde dissolving agent and a formaldehyde catching agent.
(3) Adding a cementing material into the tea polyphenol solution, and uniformly stirring to obtain the tea polyphenol colloidal solution.
(4) Adding a catalyst into the tea polyphenol colloidal solution, and uniformly stirring to obtain the ecological space purification solution.
Preferably, the heating temperature in the step (2) is 100 ℃, and the heating time is 10-15 min after the water is boiled.
Compared with the prior art, the invention has the advantages that:
1. the ecological space purification solution adopts water as a formaldehyde dissolving agent, so that the formaldehyde is effectively dissolved, and meanwhile, the water is low in cost and easy to volatilize, so that favorable conditions are provided for subsequent reactions; tea polyphenol is used as a formaldehyde catching agent, the tea polyphenol can perform phenolic condensation reaction with formaldehyde, benzene, toluene, xylene and TVOC to generate a molecule of beta-hydroxyaldehyde or a molecule of beta-hydroxyketone, new carbon-carbon bonds can be formed in molecules through phenolic condensation, and a carbon chain is increased, and the beta-hydroxyaldehyde or a molecule of beta-hydroxyketone has a high boiling point and is not easy to volatilize; the cementing material is sodium silicate and silicic acidSodium can generate reverse reaction in water to generate silicic acid and sodium hydroxide, so that the solution is alkaline, the generation of phenolic aldehyde condensation reaction is facilitated, and the silicic acid, commonly called as water glass, is a water-insoluble colloid and can also serve as a catalyst Zn in zinc chloride2+The ionic adhesive is formed by that silicic acid is dehydrated and decomposed into silicon dioxide along with the evaporation of water, and a protective film is formed on the surface of an object, so that the volatilization of formaldehyde can be inhibited, and the formaldehyde can be prevented from spreading to the air.
Drawings
FIG. 1 is a schematic diagram of the principle and manufacturing process of an ecological space purification solution according to the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention;
example 1.
Referring to fig. 1, an ecological space purifying solution and a method for preparing the same includes the following components: formaldehyde dissolvent, formaldehyde catcher, cementing material and catalyst.
The solution of the formaldehyde dissolving agent, the formaldehyde catcher, the cementing material and the catalyst accounts for 92 percent of the concentration of the formaldehyde dissolving agent, 1 percent of the formaldehyde catcher, 4 percent of the cementing material and 3 percent of the catalyst.
The formaldehyde dissolving agent is water.
The formaldehyde scavenger is tea polyphenol, specifically at least one of catechin, epicatechin gallate, epigallocatechin, and epigallocatechin gallate.
The cementing material is sodium silicate.
The catalyst is zinc chloride.
A preparation method of an ecological space purifying solution comprises the following steps:
(1) soaking folium Camelliae sinensis in clear water for a short time, removing dust, and drying in the shade.
(2) Putting tea into water, boiling the water, cooling and filtering to obtain a mixed liquid tea polyphenol solution of a formaldehyde dissolving agent and a formaldehyde catching agent.
(3) Adding a cementing material into the tea polyphenol solution, and uniformly stirring to obtain the tea polyphenol colloidal solution.
(4) Adding a catalyst into the tea polyphenol colloidal solution, and uniformly stirring to obtain the ecological space purification solution.
The heating temperature in the step (2) is 100 ℃, and the heating time is 10-15 min after the water is boiled.
Specifically, water is used as a formaldehyde dissolving agent, so that while formaldehyde is effectively dissolved, the water is low in cost and easy to volatilize, and favorable conditions are provided for subsequent reactions; tea polyphenol is used as a formaldehyde catching agent, the tea polyphenol can be subjected to phenolic condensation reaction with formaldehyde, benzene, toluene, xylene and TVOC to generate a molecule of beta-hydroxyaldehyde or a molecule of beta-hydroxyketone, new carbon-carbon bonds can be formed in molecules through phenolic condensation, and a carbon chain is increased, while the beta-hydroxyaldehyde or a molecule of beta-hydroxyketone has a high boiling point and is not volatile; the gel material is sodium silicate which can generate reverse reaction in water to generate silicic acid and sodium hydroxide to make the solution alkaline and be beneficial to the generation of phenolic aldehyde condensation reaction, and the silicic acid is commonly called as water glass which is a water-insoluble colloid and can also serve as a catalyst Zn in zinc chloride2+The ionic adhesive is formed by that silicic acid is dehydrated and decomposed into silicon dioxide along with the evaporation of water, and a protective film is formed on the surface of an object, so that the volatilization of formaldehyde can be inhibited, and the formaldehyde can be prevented from spreading to the air.
The working principle is as follows: put this solution into atomizing device, the spraying is on the object surface, later the formaldehyde dissolving agent dissolves harmful substance formaldehyde, benzene, toluene, xylene, TVOC, later the effective constituent tea polyphenol matter of formaldehyde catching agent and harmful substance formaldehyde, benzene, toluene, xylene, TVOC are in catalyst Zn2+The ion catalysis generates phenolic aldehyde condensation reaction, the beta-hydroxyaldehyde or a molecule of beta-hydroxyketone which is the reaction product of harmful substances of formaldehyde, benzene, toluene and xylene has high boiling point and is not volatilized, then the cementing material loses water to generate silicon dioxide to form a protective film on the surface of an object, the residual formaldehyde scavenger and the catalyst are locked on the surface of the object, and simultaneously, the formaldehyde which is in reaction in the object can be locked in the object, so that the formaldehyde scavenger and the formaldehyde continue to react and simultaneously the formaldehyde is inhibited from being transmitted to the air.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. An ecological space purifying solution, which is characterized in that: comprises the following components: formaldehyde dissolvent, formaldehyde catcher, cementing material and catalyst.
2. The ecological space decontamination solution of claim 1, wherein: the solution of the formaldehyde dissolving agent, the formaldehyde catcher, the cementing material and the catalyst accounts for 92 percent of the concentration of the formaldehyde dissolving agent, 1 percent of the formaldehyde catcher, 4 percent of the cementing material and 3 percent of the catalyst.
3. The ecological space decontamination solution of claim 1, wherein: the formaldehyde dissolving agent is water.
4. The ecological space decontamination solution of claim 1, wherein: the formaldehyde scavenger is tea polyphenol, specifically at least one of catechin, epicatechin gallate, epigallocatechin, and epigallocatechin gallate.
5. The ecological space decontamination solution of claim 1, wherein: the cementing material is sodium silicate.
6. The ecological space decontamination solution of claim 1, wherein: the catalyst is zinc chloride.
7. A preparation method of an ecological space purifying solution is characterized by comprising the following steps: the method comprises the following steps:
(1) soaking folium Camelliae sinensis in clear water for a short time, removing dust, and drying in the shade.
(2) Putting tea into water, boiling the water, cooling and filtering to obtain a mixed liquid tea polyphenol solution of a formaldehyde dissolving agent and a formaldehyde catching agent.
(3) Adding a cementing material into the tea polyphenol solution, and uniformly stirring to obtain the tea polyphenol colloidal solution.
(4) Adding a catalyst into the tea polyphenol colloidal solution, and uniformly stirring to obtain the ecological space purification solution.
8. The method of claim 7, wherein: the heating temperature in the step (2) is 100 ℃, and the heating time is 10-15 min after the water is boiled.
CN202210292676.7A 2022-03-23 2022-03-23 Ecological space purifying solution and preparation method thereof Active CN114534470B (en)

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