CN112403256A - Indoor air formaldehyde purifying liquid and preparation method thereof - Google Patents

Indoor air formaldehyde purifying liquid and preparation method thereof Download PDF

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CN112403256A
CN112403256A CN201910784892.1A CN201910784892A CN112403256A CN 112403256 A CN112403256 A CN 112403256A CN 201910784892 A CN201910784892 A CN 201910784892A CN 112403256 A CN112403256 A CN 112403256A
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minutes
solution
stirring
indoor air
amino acid
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李祥
李东明
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Shandong Jiazhijing Environmental Protection Technology 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
    • B01D53/74—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
    • 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
    • B01D53/68—Halogens or halogen compounds
    • B01D53/70—Organic halogen compounds
    • 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
    • B01D2255/00—Catalysts
    • B01D2255/80—Type of catalytic reaction
    • B01D2255/802—Photocatalytic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/206—Organic halogen compounds
    • B01D2257/2064—Chlorine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B01D2257/7027—Aromatic hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708—Volatile organic compounds V.O.C.'s
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air

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  • Environmental & Geological Engineering (AREA)
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  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention discloses an indoor air formaldehyde purifying liquid and a preparation method thereof, wherein the indoor air formaldehyde purifying liquid comprises the following components in percentage by weight: 5-25% of amino acid, 0.05-0.5% of polypeptidase, 10-15% of diatom powder, 8-12% of catalyst, 5-8% of scindapsus aureus extracting solution, 0.05-0.2% of penetrating agent, 0.05-0.2% of humectant, 0.01-0.2% of pH regulator and the balance of water; the invention adopts the combination of the nano titanium dioxide and the diatom powder, so that harmful gases, bacteria and the like adsorbed by the diatom powder can be comprehensively decomposed under the action of the nano titanium dioxide light, and the effects of air purification, disinfection, sterilization, deodorization and the like of the diatom powder have long-acting performance; the scindapsus aureus extract and the air refreshing liquid are added into the essence liquid for assistance, so that the scindapsus aureus can absorb harmful substances such as benzene, trichloroethylene, formaldehyde and the like in the air, and the air refreshing liquid enables the purified air to be fresher.

Description

Indoor air formaldehyde purifying liquid and preparation method thereof
Technical Field
The invention belongs to the technical field of air formaldehyde purification, and particularly relates to an indoor air formaldehyde purification liquid and a preparation method thereof.
Background
The formaldehyde which causes harm to human body in life is everywhere, related articles comprise furniture, wood floors, children clothes, fast food noodles and the like, the main harm of the formaldehyde is the stimulation effect on skin mucosa, and people feel uncomfortable when the formaldehyde reaches a certain concentration indoors, and the concentration of the formaldehyde is more than 0.08m3The formaldehyde concentration can cause red eyes, itchy eyes, discomfort or pain in throat, hoarseness, sneezing, chest distress, asthma, dermatitis, etc., and the formaldehyde content in newly decorated room is higherFormaldehyde, which is the main cause of many diseases, is everywhere worried about palpitations.
Through searching, patent grant publication number: the CN107983145A indoor air formaldehyde purifying agent formula and the preparation method thereof have the following problems: 1) the active carbon is used for adsorbing residual formaldehyde chemical substances and dust in the air, the adsorption principle of the active carbon is physical adsorption, and when the environmental temperature and pressure change, the adsorbed harmful substances are easy to separate out, so that the adsorption efficiency of the active carbon is reduced, and secondary pollution is generated, so that the effect of purifying the air is not achieved; 2) the production process of the active carbon loaded nano titanium dioxide is complex and has high cost.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an indoor air formaldehyde purifying solution and a preparation method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
the indoor air formaldehyde purifying liquid comprises the following components in percentage by weight: 5 to 25 percent of amino acid, 0.05 to 0.5 percent of polypeptidase, 10 to 15 percent of diatom powder, 8 to 12 percent of catalyst, 5 to 8 percent of scindapsus aureus extracting solution, 0.05 to 0.2 percent of penetrating agent, 0.05 to 0.2 percent of humectant, 0.01 to 0.2 percent of PH regulator, and the balance of water.
A preparation method of indoor air formaldehyde purification liquid comprises the following steps:
the method comprises the following steps: heating water to control the water temperature between 30 ℃ and 40 ℃;
step two: pouring amino acid into a glass container, adding warm water, stirring through a glass rod, stirring for 2-3 minutes, standing for 1-2 minutes, and repeatedly stirring for 1-2 minutes;
step three: adding the polypeptidase into the solution to adjust the pH value to 13, and hydrolyzing the amino acid to prepare a solution mainly containing single amino acid;
step four: adding a pH regulator into the solution, and regulating the pH value of the solution to 6-8;
step five: placing the diatom powder into the solution obtained in the third step, stirring for 3-5 minutes, and standing for 1-2 minutes;
step six: adding a catalyst and the scindapsus aureus extracting solution, stirring for 3-5 minutes, and standing for 1-2 minutes;
step seven: adding a penetrating agent, and stirring for 15 minutes until the penetrating agent is fully dissolved;
step eight: adding humectant, stirring for 60-120 min, and standing for 20 min.
Preferably, the amino acid is one or a combination of two or more of common amino acids.
Preferably, the catalyst is nano titanium dioxide, harmful gases, bacteria and the like adsorbed by the diatom powder can be completely decomposed under the action of nano titanium dioxide light, so that the effects of air purification, disinfection, sterilization, deodorization and the like of the diatom powder are long-acting, and the purification effect of the diatomite is enhanced.
Preferably, the penetrating agent is fatty alcohol-polyoxyethylene ether, alkylphenol ethoxylate, sodium alkylsulfonate or secondary sodium alkylsulfate.
Preferably, the humectant is one of glycerin, butylene glycol, polyethylene glycol, propylene glycol, hexylene glycol, polypropylene glycol or sorbitol.
Preferably, the scindapsus aureus extract is prepared by taking high-quality scindapsus aureus as a raw material and performing the working procedures of crushing, extracting, filtering, concentrating, refining and purifying, drying and grinding into powder, and mixing the powder with water to obtain the scindapsus aureus extract.
Further, the indoor air formaldehyde purification liquid and the preparation method thereof comprise the following components in percentage by weight: 5-25% of amino acid, 0.05-0.5% of polypeptidase, 10-15% of diatom powder, 8-12% of catalyst, 5-8% of scindapsus aureus extracting solution, 0.05-0.2% of penetrating agent, 0.05-0.2% of humectant, 0.01-0.2% of pH regulator and the balance of water;
a preparation method of indoor air formaldehyde purification liquid comprises the following steps:
the method comprises the following steps: heating water to control the water temperature between 30 ℃ and 40 ℃;
step two: pouring amino acid into a glass container, adding warm water, stirring through a glass rod, stirring for 2-3 minutes, standing for 1-2 minutes, and repeatedly stirring for 1-2 minutes;
step three: adding the polypeptidase into the solution to adjust the pH value to 13, and hydrolyzing the amino acid to prepare a solution mainly containing single amino acid;
step four: adding a pH regulator into the solution, and regulating the pH value of the solution to 6-8;
step five: placing the diatom powder into the solution obtained in the third step, stirring for 3-5 minutes, and standing for 1-2 minutes;
step six: adding a catalyst and the scindapsus aureus extracting solution, stirring for 3-5 minutes, and standing for 1-2 minutes;
step seven: adding a penetrating agent, and stirring for 15 minutes until the penetrating agent is fully dissolved;
step eight: adding a humectant, stirring for 60-120 minutes, and standing for 20 minutes;
step nine: adding air refreshing liquid, and stirring for 30 seconds to 1 minute to obtain the product.
Preferably, the catalyst is nano titanium dioxide, harmful gases, bacteria and the like adsorbed by the diatom powder can be completely decomposed under the action of nano titanium dioxide light, so that the effects of air purification, disinfection, sterilization, deodorization and the like of the diatom powder are long-acting, and the purification effect of the diatomite is enhanced.
Preferably, the scindapsus aureus extract is prepared by taking high-quality scindapsus aureus as a raw material and performing the working procedures of crushing, extracting, filtering, concentrating, refining and purifying, drying and grinding into powder, and mixing the powder with water to obtain the scindapsus aureus extract.
Preferably, 1% -3% of air refreshing liquid is added into the components, and the air refreshing liquid is a colorless and tasteless product produced by taking high-quality natural piezoelectric crystals as raw materials through a nano-composite technology.
Compared with the prior art, the invention has the beneficial effects that:
1) the combination of the nano titanium dioxide and the diatom powder can carry out comprehensive decomposition on harmful gases, bacteria and the like adsorbed by the diatom powder under the action of the nano titanium dioxide light, so that the diatom powder has long-term effectiveness in the effects of air purification, disinfection, sterilization, deodorization and the like;
2) the production process of the nano titanium dioxide and the diatom powder is relatively simple, and the manufacturing cost is low;
3) the scindapsus aureus extract and the air refreshing liquid are added for assistance, so that the scindapsus aureus can absorb harmful substances such as benzene, trichloroethylene, formaldehyde and the like in the air, and the air refreshing liquid enables the purified air to be fresher.
Detailed Description
The technical solutions of the present invention are further specifically described in order to facilitate understanding of those skilled in the art.
Embodiment mode 1:
the indoor air formaldehyde purifying liquid comprises the following components in percentage by weight: 10% of amino acid, 0.1% of polypeptide enzyme, 12% of diatom powder, 10% of catalyst, 6% of scindapsus aureus extracting solution, 0.1% of penetrating agent, 0.1% of humectant, 0.2% of pH regulator and the balance of water.
A preparation method of indoor air formaldehyde purification liquid comprises the following steps:
the method comprises the following steps: heating water, and controlling the water temperature at 35 ℃;
step two: pouring amino acid into a glass container, adding warm water, stirring through a glass rod, stirring for 3 minutes, standing for 2 minutes, and repeatedly stirring for 2 minutes;
step three: adding the polypeptidase into the solution to adjust the pH value to 13, and hydrolyzing the amino acid to prepare a solution mainly containing single amino acid;
step four: adding a pH regulator into the solution, and regulating the pH value of the solution to 6;
step five: placing the diatom powder into the solution obtained in the third step, stirring for 3 minutes, and standing for 1 minute;
step six: adding a catalyst and the scindapsus aureus extracting solution, stirring for 3 minutes, and standing for 1 minute;
step seven: adding the penetrating agent, and stirring for 20 minutes until the penetrating agent is fully dissolved;
step eight: adding the humectant, stirring for 100 minutes, and standing for 20 minutes to obtain the product.
The amino acid is one or a composition of more than two of common amino acids.
The catalyst is nano titanium dioxide, harmful gases, bacteria and the like adsorbed by the diatom powder can be comprehensively decomposed under the action of light of the nano titanium dioxide, so that the effects of air purification, disinfection, sterilization, deodorization and the like of the diatom powder have long-acting performance, and meanwhile, the purification effect of the kieselguhr is enhanced.
The penetrating agent is fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene ether, sodium alkylsulfonate or secondary alkyl sodium sulfate ester.
The humectant is one of glycerol, butanediol, polyethylene glycol, propylene glycol, hexanediol, polypropylene glycol or sorbitol.
The scindapsus aureus extract is prepared by taking high-quality scindapsus aureus as a raw material, and performing the working procedures of crushing, extracting, filtering, concentrating, refining, purifying, drying and grinding into powder, and mixing the powder with water to obtain the scindapsus aureus extract.
Embodiment mode 2:
the indoor air formaldehyde purifying liquid comprises the following components in percentage by weight: 20% of amino acid, 0.2% of polypeptide enzyme, 15% of diatom powder, 12% of catalyst, 8% of scindapsus aureus extracting solution, 0.2% of penetrating agent, 0.2% of humectant, 0.2% of pH regulator and the balance of water.
A preparation method of indoor air formaldehyde purification liquid comprises the following steps:
the method comprises the following steps: heating water, and controlling the water temperature at 40 ℃;
step two: pouring amino acid into a glass container, adding warm water, stirring through a glass rod, stirring for 3 minutes, standing for 2 minutes, and repeatedly stirring for 2 minutes;
step three: adding the polypeptidase into the solution to adjust the pH value to 13, and hydrolyzing the amino acid to prepare a solution mainly containing single amino acid;
step four: adding a pH regulator into the solution, and regulating the pH value of the solution to 8;
step five: placing the diatom powder into the solution obtained in the third step, stirring for 5 minutes, and standing for 2 minutes;
step six: adding a catalyst and the scindapsus aureus extracting solution, stirring for 5 minutes, and standing for 2 minutes;
step seven: adding the penetrating agent, and stirring for 30 minutes until the penetrating agent is fully dissolved;
step eight: adding the humectant, stirring for 100 minutes, and standing for 20 minutes to obtain the product.
The amino acid is one or a composition of more than two of common amino acids.
The catalyst is nano titanium dioxide, harmful gases, bacteria and the like adsorbed by the diatom powder can be comprehensively decomposed under the action of light of the nano titanium dioxide, so that the effects of air purification, disinfection, sterilization, deodorization and the like of the diatom powder have long-acting performance, and meanwhile, the purification effect of the kieselguhr is enhanced.
The penetrating agent is fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene ether, sodium alkylsulfonate or secondary alkyl sodium sulfate ester.
The humectant is one of glycerol, butanediol, polyethylene glycol, propylene glycol, hexanediol, polypropylene glycol or sorbitol.
The scindapsus aureus extract is prepared by taking high-quality scindapsus aureus as a raw material, and performing the working procedures of crushing, extracting, filtering, concentrating, refining, purifying, drying and grinding into powder, and mixing the powder with water to obtain the scindapsus aureus extract.
Embodiment mode 3:
the indoor air formaldehyde purifying liquid comprises the following components in percentage by weight: 10% of amino acid, 0.1% of polypeptide enzyme, 12% of diatom powder, 10% of catalyst, 6% of scindapsus aureus extracting solution, 0.1% of penetrating agent, 0.1% of humectant, 0.2% of pH regulator, 1% -3% of air refreshing liquid and the balance of water;
a preparation method of indoor air formaldehyde purification liquid comprises the following steps:
the method comprises the following steps: heating water, and controlling the water temperature at 35 ℃;
step two: pouring amino acid into a glass container, adding warm water, stirring through a glass rod, stirring for 3 minutes, standing for 2 minutes, and repeatedly stirring for 2 minutes;
step three: adding the polypeptidase into the solution to adjust the pH value to 13, and hydrolyzing the amino acid to prepare a solution mainly containing single amino acid;
step four: adding a pH regulator into the solution, and regulating the pH value of the solution to 6;
step five: placing the diatom powder into the solution obtained in the third step, stirring for 3 minutes, and standing for 1 minute;
step six: adding a catalyst and the scindapsus aureus extracting solution, stirring for 3 minutes, and standing for 1 minute;
step seven: adding the penetrating agent, and stirring for 20 minutes until the penetrating agent is fully dissolved;
step eight: adding a humectant, stirring for 100 minutes, and standing for 20 minutes to obtain the product;
step nine: adding air refreshing liquid, and stirring for 30 seconds to 1 minute to obtain the product.
The catalyst is nano titanium dioxide, harmful gases, bacteria and the like adsorbed by the diatom powder can be comprehensively decomposed under the action of light of the nano titanium dioxide, so that the effects of air purification, disinfection, sterilization, deodorization and the like of the diatom powder have long-acting performance, and meanwhile, the purification effect of the kieselguhr is enhanced.
The scindapsus aureus extract is prepared by taking high-quality scindapsus aureus as a raw material, and performing the working procedures of crushing, extracting, filtering, concentrating, refining, purifying, drying and grinding into powder, and mixing the powder with water to obtain the scindapsus aureus extract.
The air refreshing liquid is a colorless and tasteless product produced by taking high-quality natural piezoelectric crystals as raw materials and adopting a nano composite technology.
The results obtained by conducting the tests of embodiment 1, embodiment 2, and embodiment 3 are as follows:
Figure BDA0002177725860000051
Figure BDA0002177725860000061
the foregoing is merely illustrative and explanatory of the composition and preparation of the invention, and various modifications, additions and substitutions of the specific embodiments described may be made by those skilled in the art without departing from the structure or scope of the invention as defined in the claims.

Claims (10)

1. The indoor air formaldehyde purifying liquid is characterized by comprising the following components in percentage by weight: 5-25% of amino acid, 0.05-0.5% of polypeptidase, 10-15% of diatom powder, 8-12% of catalyst, 5-8% of scindapsus aureus extracting solution, 0.05-0.2% of penetrating agent, 0.05-0.2% of humectant, 0.01-0.2% of pH regulator and the balance of water;
a preparation method of indoor air formaldehyde purification liquid comprises the following steps:
the method comprises the following steps: heating water to control the water temperature between 30 ℃ and 40 ℃;
step two: pouring amino acid into a glass container, adding warm water, stirring through a glass rod, stirring for 2-3 minutes, standing for 1-2 minutes, and repeatedly stirring for 1-2 minutes;
step three: adding the polypeptidase into the solution to adjust the pH value to 13, and hydrolyzing the amino acid to prepare a solution mainly containing single amino acid;
step four: adding a pH regulator into the solution, and regulating the pH value of the solution to 6-8;
step five: placing the diatom powder into the solution obtained in the third step, stirring for 3-5 minutes, and standing for 1-2 minutes;
step six: adding a catalyst and the scindapsus aureus extracting solution, stirring for 3-5 minutes, and standing for 1-2 minutes;
step seven: adding a penetrating agent, and stirring for 15 minutes until the penetrating agent is fully dissolved;
step eight: adding humectant, stirring for 60-120 min, and standing for 20 min.
2. The indoor air formaldehyde purification solution and the preparation method thereof as claimed in claim 1, wherein the amino acid is a common amino acid.
3. The indoor air formaldehyde purification solution and the preparation method thereof as claimed in claim 1, wherein the catalyst is nano titanium dioxide.
4. The indoor air formaldehyde purification solution and the preparation method thereof as claimed in claim 1, wherein the penetrating agent is fatty alcohol-polyoxyethylene ether, alkylphenol ethoxylates, sodium alkylsulfonate or sodium secondary alkyl sulfate.
5. The indoor air formaldehyde purification solution as claimed in claim 1, wherein the humectant is one of glycerin, butylene glycol, polyethylene glycol, propylene glycol, hexylene glycol, polypropylene glycol or sorbitol.
6. The indoor air formaldehyde purification solution as claimed in claim 1, wherein the epipremnum aureum extract is prepared from epipremnum aureum which is of high quality by steps of pulverizing, extracting, filtering, concentrating, refining, purifying, drying, grinding into powder, and mixing with water.
7. The indoor air formaldehyde purifying liquid is characterized by comprising the following components in percentage by weight: 5-25% of amino acid, 0.05-0.5% of polypeptidase, 10-15% of diatom powder, 8-12% of catalyst, 5-8% of scindapsus aureus extracting solution, 0.05-0.2% of penetrating agent, 0.05-0.2% of humectant, 0.01-0.2% of pH regulator and the balance of water;
a preparation method of indoor air formaldehyde purification liquid comprises the following steps:
the method comprises the following steps: heating water to control the water temperature between 30 ℃ and 40 ℃;
step two: pouring amino acid into a glass container, adding warm water, stirring through a glass rod, stirring for 2-3 minutes, standing for 1-2 minutes, and repeatedly stirring for 1-2 minutes;
step three: adding the polypeptidase into the solution to adjust the pH value to 13, and hydrolyzing the amino acid to prepare a solution mainly containing single amino acid;
step four: adding a pH regulator into the solution, and regulating the pH value of the solution to 6-8;
step five: placing the diatom powder into the solution obtained in the third step, stirring for 3-5 minutes, and standing for 1-2 minutes;
step six: adding a catalyst and the scindapsus aureus extracting solution, stirring for 3-5 minutes, and standing for 1-2 minutes;
step seven: adding a penetrating agent, and stirring for 15 minutes until the penetrating agent is fully dissolved;
step eight: adding a humectant, stirring for 60-120 minutes, and standing for 20 minutes;
step nine: adding air refreshing liquid, and stirring for 30 seconds to 1 minute to obtain the product.
8. The indoor air formaldehyde purification solution and the preparation method thereof as claimed in claim 7, wherein the catalyst is nano titanium dioxide.
9. The indoor air formaldehyde purification solution as claimed in claim 7, wherein the epipremnum aureum extract is prepared from epipremnum aureum which is of high quality by steps of pulverizing, extracting, filtering, concentrating, refining, purifying, drying, grinding into powder, and mixing with water.
10. The indoor air formaldehyde purification solution and the preparation method thereof as claimed in claim 7, characterized in that 1% -3% of air refreshing solution is added into the above components, the air refreshing solution is a colorless and tasteless product produced by nano-composite technology using high quality natural piezoelectric crystal as raw material.
CN201910784892.1A 2019-08-23 2019-08-23 Indoor air formaldehyde purifying liquid and preparation method thereof Withdrawn CN112403256A (en)

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Application publication date: 20210226