CN117626713A - Manufacturing method of formaldehyde-removing antibacterial composite filter paper - Google Patents
Manufacturing method of formaldehyde-removing antibacterial composite filter paper Download PDFInfo
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- CN117626713A CN117626713A CN202311572881.XA CN202311572881A CN117626713A CN 117626713 A CN117626713 A CN 117626713A CN 202311572881 A CN202311572881 A CN 202311572881A CN 117626713 A CN117626713 A CN 117626713A
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- filter paper
- formaldehyde
- composite filter
- phthalate
- antibacterial composite
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- 239000002131 composite material Substances 0.000 title claims abstract description 47
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 114
- 239000000463 material Substances 0.000 claims abstract description 38
- 239000000126 substance Substances 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000004005 microsphere Substances 0.000 claims abstract description 26
- 239000000741 silica gel Substances 0.000 claims abstract description 26
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 26
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000011282 treatment Methods 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 239000011148 porous material Substances 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 231100000614 poison Toxicity 0.000 claims abstract description 5
- 239000003440 toxic substance Substances 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 36
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 239000002585 base Substances 0.000 claims description 21
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 16
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 14
- 229960002380 dibutyl phthalate Drugs 0.000 claims description 12
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical class C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 12
- 230000006378 damage Effects 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 239000011651 chromium Substances 0.000 claims description 8
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims description 8
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 claims description 8
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 8
- 229910052753 mercury Inorganic materials 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- RXDDZPRSFAQJOC-UHFFFAOYSA-N butylbenzene;phthalic acid Chemical compound CCCCC1=CC=CC=C1.OC(=O)C1=CC=CC=C1C(O)=O RXDDZPRSFAQJOC-UHFFFAOYSA-N 0.000 claims description 6
- 229920001131 Pulp (paper) Polymers 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- 235000010290 biphenyl Nutrition 0.000 claims description 4
- 150000004074 biphenyls Chemical class 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- -1 diethyl butyl Chemical group 0.000 claims description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical class OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 238000006065 biodegradation reaction Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000000197 pyrolysis Methods 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 241000894006 Bacteria Species 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 6
- 125000006267 biphenyl group Chemical group 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 241000233866 Fungi Species 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 241000700605 Viruses Species 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009036 growth inhibition Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/08—Filter paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/11—Halides
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/14—Carboxylic acids; Derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
- D21H21/52—Additives of definite length or shape
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Dispersion Chemistry (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Filtering Materials (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention provides a method for manufacturing formaldehyde-removing antibacterial composite filter paper, which relates to the technical field of formaldehyde filtration and comprises the following steps: s1, preparing raw materials; s2, grinding and crushing; s3, harmless treatment of toxic substances; s4, mixing and stirring; s5, pressing, drying and shaping. According to the invention, materials such as silica gel microspheres, active acid-base alumina, nano titanium dioxide and the like are fully mixed, so that uniform distribution of the materials in the filter paper is ensured. Thus, the overall performance of the filter paper can be improved, and the consistency of the filter paper in the use process is ensured. Meanwhile, the silica gel microspheres and the active acid-base alumina have the capability of adsorbing harmful substances, and are fixed on the surface or in pores of the material, so that the release of the harmful substances is effectively reduced, and the formaldehyde removal and antibacterial performance of the filter paper are improved.
Description
Technical Field
The invention relates to the technical field of formaldehyde filtration, in particular to a method for manufacturing formaldehyde-removing antibacterial composite filter paper.
Background
The composite filter paper is a filter paper material formed by laminating and combining a plurality of functional materials. However, the existing formaldehyde-removing antibacterial composite filter paper has no adsorption treatment capacity, only the contacted methanol molecules are simply stored in the filter paper, and formaldehyde is not degraded and antibacterial, so that the filter paper is easy to damage human bodies due to toxic gas and mould generated by deterioration of the filter paper caused by long-time storage of formaldehyde in the actual use process, and the practicability of the filter paper in the actual use process is reduced. Therefore, we provide a method for manufacturing formaldehyde-removing antibacterial composite filter paper.
Disclosure of Invention
The invention aims to solve the defects in the prior art and can effectively degrade and antibacterial treat formaldehyde stored on filter paper.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the method comprises the following steps:
s1, preparing raw materials;
s2, grinding and crushing;
s3, harmless treatment of toxic substances;
s4, mixing and stirring;
s5, pressing, drying and shaping.
As a preferred embodiment, in the step S1: preparing raw materials of lead, mercury, chromium, hexavalent chromium, polybrominated diphenyl ether, dibutyl phthalate, butylbenzene phthalate, di (2-ethylhexyl) phthalate, diethyl butyl phthalate, nano silver particles, activated carbon, silica gel microspheres, activated acid alkali alumina and nano titanium dioxide.
By adopting the technical scheme: the formaldehyde-removing antibacterial composite filter paper can remove formaldehyde efficiently and inhibit microorganism growth by adding a series of raw materials, has high-efficiency adsorption capacity, and simultaneously ensures safety and environmental protection. These benefits enable people to enjoy cleaner, healthier indoor environments during the use of the composite filter paper.
In a preferred embodiment, in the step S2, nano silver particles are mixed with activated carbon and ground to be uniformly mixed.
By adopting the technical scheme: in the process of mixing and grinding, the nano silver particles and the activated carbon are fully contacted and mixed, so that the nano silver particles and the activated carbon can be uniformly distributed in the structure of the composite filter paper. Therefore, all parts of the composite filter paper can be ensured to play roles in formaldehyde removal and antibiosis, and the overall performance of the filter paper is improved.
In a preferred embodiment, in the step S3, lead, mercury, chromium and hexavalent chromium are converted or precipitated by a chemical treatment method, converted into harmless compounds or fixed in a precipitated form, polybrominated biphenyls and polybrominated diphenyl ethers are polybrominated biphenyls and polybrominated diphenyl ethers, decomposed by a pyrolysis or oxidation treatment, and converted into harmless substances, dibutyl phthalate, butylbenzene phthalate, di (2-ethylhexyl) phthalate and diethyl butyl phthalate are phthalate type compounds.
By adopting the technical scheme: the formaldehyde-removing and antibacterial effects of the composite filter paper are durable. The special structure and performance of the material can keep the high-efficiency formaldehyde removal and antibacterial effects for a long time, and are not easy to be influenced by external factors. This ensures that the composite filter paper can continuously provide an effective air cleaning function during use.
As a preferred embodiment, the silica gel microspheres and the active acid-base alumina can adsorb harmful substances and fix the substances in the surfaces or pores of the materials by decomposing the substances through a biodegradation or chemical treatment method, so that the release of the substances is reduced, the potential harm of nano silver particles to the environment and the human body is reduced by controlling the particle size and the coating material, and the potential harm of nano titanium dioxide to the environment and the human body is reduced by controlling the particle size and the surface modification.
By adopting the technical scheme: the silica gel microsphere and the active acid-base alumina material have the capability of adsorbing harmful substances, and are fixed on the surface or in pores of the material, so that the release of the harmful substances is effectively reduced, the formaldehyde removal and antibacterial performance of the filter paper are further improved, and the potential harm to the environment and human body can be reduced by controlling the particle size and the coating material of the nano silver particles. The nano silver particles have excellent antibacterial performance, can effectively inhibit bacterial growth on the surface of the filter paper, improve the antibacterial effect of the filter paper, and can reduce the potential harm to the environment and human body by controlling the particle size and the coating material of the nano silver particles. The nano silver particles have excellent antibacterial performance, can effectively inhibit bacterial growth on the surface of the filter paper, and improve the antibacterial effect of the filter paper.
In a preferred embodiment, in the step S4, the silica gel microspheres and the activated acid-base alumina are mixed and ground to be uniformly mixed, then the mixture of the silica gel microspheres and the activated acid-base alumina is mixed with the nano titanium dioxide to be uniformly distributed, then the mixture of the three materials is mixed to be uniformly distributed, and then the final mixture is put into the paper pulp to be uniformly stirred.
By adopting the technical scheme: through the grinding and mixing processes, the silica gel microspheres, the active acid-base alumina, the nano titanium dioxide and other materials are fully mixed, so that the uniform distribution of the materials in the filter paper is ensured. The whole performance of the filter paper can be improved, the consistency of the filter paper in the use process is ensured, and the silica gel microspheres and the active acid-base alumina have the capability of adsorbing harmful substances and are fixed on the surface or in pores of the material. Therefore, the release of harmful substances can be effectively reduced, the formaldehyde removal and antibacterial performance of the filter paper can be improved, and the silica gel microspheres and the active acid-base alumina have the capability of adsorbing the harmful substances and are fixed on the surface or in pores of the material. Thus, the release of harmful substances can be effectively reduced, and the formaldehyde removal and antibacterial performance of the filter paper can be improved.
In a preferred embodiment, in the step S5, the pulp is made into paper, and the formaldehyde-removing antibacterial composite filter paper is made by drying, pressing, and the like.
By adopting the technical scheme: as the filter paper is added with nano silver particles, nano titanium dioxide and other materials, the composite filter paper has good formaldehyde removal effect. The nano silver particles have the capability of inhibiting formaldehyde release, and the nano titanium dioxide can degrade formaldehyde in a photocatalysis manner. Through processes such as drying and pressing, the materials can be better fixed in the filter paper, a lasting formaldehyde removal effect is provided, and the composite filter paper has a good formaldehyde removal effect due to the fact that the materials such as nano silver particles and nano titanium dioxide are added into the filter paper. The nano silver particles have the capability of inhibiting formaldehyde release, and the nano titanium dioxide can degrade formaldehyde in a photocatalysis manner. These materials can be better fixed in the filter paper by drying and pressing processes, etc., and provide durable formaldehyde removal effect.
As a preferred embodiment, the quality of the prepared composite filter paper is detected finally, the formaldehyde removal and antibacterial performance of the composite filter paper are ensured to meet the requirements, and finally the composite filter paper is packaged and stored.
By adopting the technical scheme: the composite filter paper subjected to quality detection has an excellent formaldehyde removal effect. Through adding materials such as nano silver particles and nano titanium dioxide, the filter paper can effectively adsorb and degrade formaldehyde, clean and healthy indoor air is provided, and the composite filter paper subjected to quality detection has an excellent formaldehyde removal effect. Through adding materials such as nano silver particles and nano titanium dioxide, the filter paper can effectively adsorb and degrade formaldehyde, clean and healthy indoor air is provided, and finally the composite filter paper subjected to quality detection has an excellent formaldehyde removal effect. By adding materials such as nano silver particles and nano titanium dioxide, the filter paper can effectively adsorb and degrade formaldehyde, and clean and healthy indoor air is provided.
Compared with the prior art, the invention has the advantages and positive effects that,
1. in the invention, materials such as silica gel microspheres, active acid-base alumina, nano titanium dioxide and the like are fully mixed, so that the uniform distribution of the materials in the filter paper is ensured. Thus, the overall performance of the filter paper can be improved, and the consistency of the filter paper in the use process is ensured. Meanwhile, the silica gel microspheres and the active acid-base alumina have the capability of adsorbing harmful substances, and are fixed on the surface or in pores of the material, so that the release of the harmful substances is effectively reduced, and the formaldehyde removal and antibacterial performance of the filter paper are improved.
2. In the invention, materials such as silica gel microspheres, active acid-base alumina, nano titanium dioxide and the like are fully mixed, so that the uniform distribution of the materials in the filter paper is ensured. Thus, the overall performance of the filter paper can be improved, and the consistency of the filter paper in the use process is ensured. Meanwhile, the silica gel microspheres and the active acid-base alumina have the capability of adsorbing harmful substances, and are fixed on the surface or in pores of the material, so that the release of the harmful substances is effectively reduced, and the formaldehyde removal and antibacterial performance of the filter paper are improved.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The invention provides a technical scheme that: the preparation method of the formaldehyde-removing antibacterial composite filter paper comprises the following steps:
s1, preparing raw materials;
s2, grinding and crushing;
s3, harmless treatment of toxic substances;
s4, mixing and stirring;
s5, pressing, drying and shaping;
in the step S1: preparing raw materials of lead, mercury, chromium, hexavalent chromium, polybrominated diphenyl ether, dibutyl phthalate, butylbenzene phthalate, di (2-ethylhexyl) phthalate, diethyl butyl phthalate, nano silver particles, activated carbon, silica gel microspheres, activated acid alkali alumina and nano titanium dioxide;
in the step S2, the nano silver particles and the activated carbon are mixed and ground to be uniformly mixed;
in the step S3, lead, mercury, chromium and hexavalent chromium are converted or precipitated by a chemical treatment method, the lead, mercury, chromium and hexavalent chromium are converted into harmless compounds or are fixed in a precipitated form, polybrominated diphenyl and polybrominated diphenyl ether are polybrominated diphenyl and polybrominated diphenyl ether, the polybrominated diphenyl and polybrominated diphenyl ether are decomposed by pyrolysis or oxidation treatment, the polybrominated diphenyl and polybrominated diphenyl ether are converted into harmless substances, dibutyl phthalate, butylbenzene phthalate, di (2-ethylhexyl) phthalate and diethylphthalate are phthalate compounds, the dibutyl phthalate and the diethylphthalate are decomposed by a biodegradation or chemical treatment method, the dibutyl phthalate, the di (2-ethylhexyl) phthalate and the diethylphthalate are converted into harmless substances, silica gel microspheres and activated acid-base alumina can adsorb the harmful substances, and fix the harmful substances in the surfaces or pores of materials, so that the release of the materials is reduced, the nano silver particles are controlled in particle size and coating materials, the potential harm to the environment and human body is reduced, and the potential harm to the environment and the human body is reduced by controlling particle size and surface modification of nano titanium dioxide.
In the step S4, mixing silica gel microspheres with active acid-base alumina, grinding the mixture to uniformly mix the mixture, mixing the mixture of the silica gel microspheres and the active acid-base alumina with nano titanium dioxide to uniformly distribute the mixture, mixing the mixture of the three materials to uniformly distribute the mixture, and then placing the final mixture into paper pulp to be uniformly stirred;
in the step S5, paper pulp is made into paper, and formaldehyde-removing antibacterial composite filter paper is manufactured through processes such as drying and pressing;
and finally, carrying out quality detection on the prepared composite filter paper to ensure that the formaldehyde removal and antibacterial performance of the composite filter paper meet the requirements, and finally, packaging and storing the composite filter paper.
The filter paper prepared in the embodiment can efficiently adsorb and decompose formaldehyde in the air by mixing the nano silver particles with the activated carbon in the step S2. Meanwhile, the mixture of the silica gel microspheres, the activated acid-base alumina and the nano titanium dioxide in the step S4 can effectively inhibit the growth of bacteria, viruses and fungi. Through multiple process treatments and quality detection, the filter paper is ensured to have compact structure and strong durability, so that the filter paper can permanently play roles in formaldehyde removal and antibiosis. Therefore, the formaldehyde-removing antibacterial composite filter paper provides excellent effect for purifying indoor air.
Comparative example 1
This example is substantially the same as example 1 provided, with the main differences: no nano silver particles are added into the raw materials.
Comparative example 2
This example is substantially the same as example 1 provided, with the main differences: silica gel microspheres, active acid-base alumina and nano titanium dioxide are not added in the raw materials.
Comparative example 3
This example is substantially the same as example 1 provided, with the main differences: active carbon is not added in the raw materials.
Performance testing
Equal amounts of formaldehyde decomposition rate, antibacterial property and adsorption rate results of the product of the preparation method of the formaldehyde-removing antibacterial composite filter paper provided in example 1 and comparative examples 1 to 3 are respectively taken:
| formaldehyde decomposition rate | Antibacterial property | Adsorption rate of | |
| Example 1 | 95.6％ | Microorganism growth inhibition is strong | 97.8％ |
| Comparative example 1 | 54.2％ | Bacteria are attached to the surface of the filter paper | 73.8％ |
| Comparative example 2 | 83.9％ | Filter paper has bacteria in most part | 87.5％ |
| Comparative example 3 | 72.4％ | Bacteria are arranged inside and outside the filter paper | 47.9％ |
By analyzing the relevant data in the tables, it can be seen that:
the invention improves the indoor air quality by comprehensively utilizing various raw materials and high-quality processes to efficiently remove formaldehyde and antibacterial capacity. In the preparation process, a series of raw materials are used, and toxic substances are subjected to harmless treatment in the step S3, so that the safety and environmental friendliness of the filter paper are ensured.
First, in step S1, the selection of the raw materials is very important. The compound filter paper is added with substances such as lead, mercury, chromium, hexavalent chromium, polybrominated diphenyl ether, phthalate compounds and the like, and the substances are strictly screened and treated in the preparation process, so that the substances are ensured to meet the related environmental protection standards. In addition, materials such as nano silver particles, activated carbon, silica gel microspheres, activated acid-base alumina, nano titanium dioxide and the like are also added, and the raw materials have strong adsorption and decomposition capacities.
Next, in step S2, the nano silver particles are mixed with activated carbon, and the composite filter paper has the ability to efficiently adsorb and decompose formaldehyde in the air. Formaldehyde is a common harmful gas, and exists in materials such as interior decoration, furniture, plywood and the like, thereby causing potential threat to human health. The nano silver particles and the activated carbon in the composite filter paper can rapidly adsorb and decompose formaldehyde, so that the decomposition rate of the formaldehyde reaches 95.6%, and the indoor air quality is effectively improved.
In addition, the mixture of the silica gel microspheres, the activated acid-base alumina and the nano titanium dioxide in the step S4 has the characteristic of inhibiting the growth of bacteria, viruses and fungi, so that the antibacterial performance of the filter paper is effectively improved. This is critical to the hygiene and health of the indoor environment. Example 1 also shows a strong inhibition effect of the composite filter paper on the growth of microorganisms, ensuring a cleaner and safer indoor environment.
Finally, in step S5, the composite filter paper with compact structure and strong durability is manufactured through the processes of drying, pressing and the like. Through quality detection, the composite filter paper has high adsorption rate reaching 97.8%, effectively removes harmful substances in the air, such as fine particles, peculiar smell and volatile organic compounds, and comprehensively improves indoor air quality.
In conclusion, the formaldehyde-removing antibacterial composite filter paper has the capability of efficiently removing formaldehyde and resisting bacteria through the mixing and treatment of various raw materials and the application of a high-quality process. It can not only adsorb and decompose formaldehyde and other harmful substances, but also inhibit the growth of bacteria, viruses and fungi, providing a safe and clean indoor environment. The innovative technology makes positive contribution to the health and comfortable life of people, so that people enjoy better air quality in living and working environments.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention without departing from the technical content of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. A method for manufacturing formaldehyde-removing antibacterial composite filter paper is characterized by comprising the following steps of: the method comprises the following steps:
s1, preparing raw materials;
s2, grinding and crushing;
s3, harmless treatment of toxic substances;
s4, mixing and stirring;
s5, pressing, drying and shaping.
2. The method for manufacturing formaldehyde-removing antibacterial composite filter paper according to claim 1, which is characterized in that: in the step S1: preparing raw materials of lead, mercury, chromium, hexavalent chromium, polybrominated diphenyl ether, dibutyl phthalate, butylbenzene phthalate, di (2-ethylhexyl) phthalate, diethyl butyl phthalate, nano silver particles, activated carbon, silica gel microspheres, activated acid alkali alumina and nano titanium dioxide.
3. The method for manufacturing formaldehyde-removing antibacterial composite filter paper according to claim 1, which is characterized in that: in the step S2, the nano silver particles and the activated carbon are mixed and ground to be uniformly mixed.
4. The method for manufacturing formaldehyde-removing antibacterial composite filter paper according to claim 1, which is characterized in that: in the step S3, lead, mercury, chromium and hexavalent chromium are converted or precipitated by a chemical treatment method, and are converted into harmless compounds or fixed in a precipitated form, polybrominated biphenyls and polybrominated diphenyl ethers are polybrominated biphenyls and polybrominated diphenyl ethers, and are decomposed by pyrolysis or oxidation treatment, and are converted into harmless substances, and dibutyl phthalate, butylbenzene phthalate, di (2-ethylhexyl) phthalate and diethyl phthalate are phthalate compounds.
5. The method for manufacturing formaldehyde-removing antibacterial composite filter paper according to claim 4, which is characterized in that: the nano silver particles are decomposed by a biodegradation or chemical treatment method to be converted into harmless substances, the silica gel microspheres and the active acid-base alumina can adsorb the harmful substances and fix the harmful substances on the surface or pores of the material, so that the release of the harmful substances is reduced, the potential harm of the nano silver particles to the environment and the human body is reduced by controlling the particle size and the coating material, and the potential harm of the nano titanium dioxide to the environment and the human body is reduced by controlling the particle size and the surface modification.
6. The method for manufacturing formaldehyde-removing antibacterial composite filter paper according to claim 1, which is characterized in that: in the step S4, the silica gel microspheres and the active acid-base alumina are mixed and ground to be uniformly mixed, then the mixture of the silica gel microspheres and the active acid-base alumina is mixed with the nano titanium dioxide to be uniformly distributed, then the mixture of the three materials is mixed to be uniformly distributed, and then the final mixture is put into paper pulp to be uniformly stirred.
7. The method for manufacturing formaldehyde-removing antibacterial composite filter paper according to claim 1, which is characterized in that: in the step S5, paper pulp is made into paper, and formaldehyde-removing antibacterial composite filter paper is manufactured through processes such as drying and pressing.
8. The method for manufacturing formaldehyde-removing antibacterial composite filter paper according to claim 7, wherein the method comprises the following steps: and before packaging, carrying out quality detection on the prepared composite filter paper to ensure that the formaldehyde removal and antibacterial performance of the composite filter paper meet the requirements, and finally packaging and storing the composite filter paper.
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