CN107952362A - It is a kind of to be used for rapidly and efficiently solid composite material of purifying formaldehyde and preparation method thereof - Google Patents
It is a kind of to be used for rapidly and efficiently solid composite material of purifying formaldehyde and preparation method thereof Download PDFInfo
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- CN107952362A CN107952362A CN201610905794.5A CN201610905794A CN107952362A CN 107952362 A CN107952362 A CN 107952362A CN 201610905794 A CN201610905794 A CN 201610905794A CN 107952362 A CN107952362 A CN 107952362A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/14—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of germanium, tin or lead
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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Abstract
The invention belongs to technical field of air purification, is related to a kind of for rapidly and efficiently solid composite material of purifying formaldehyde and preparation method thereof.Specifically, which is made of following ingredients in parts by weight：2~10 parts of polyvinylpyrrolidones, 1~8 part of water-soluble high-molecular compound, 4~40 parts of chiral amino alcohols, 1~6 part of titanium dioxide, 1~6 part of stannic oxide, 1~6 part of silica, 2~6 parts of magnesia and 1~30 part of activated carbon.By including being stirred, integrated molding, drying and etc. preparation method obtain the solid composite material with required shape.The solid composite material solve thes problems, such as the easy moisture absorption of solid material, can fast and efficiently absorb formaldehyde, so as to achieve the purpose that to purify air；Preparation method is simple and practicable, and raw material are nontoxic to body, and production cost is low, is suitable for large-scale promotion application, great market prospects.
Description
Technical field
The invention belongs to technical field of air purification, is related to a kind of solid composite material for being used for rapidly and efficiently purifying formaldehyde
And preparation method thereof.
Background technology
Formaldehyde is magma noxious material, can be combined with the amino in protein, and then generates formylated albumen.Formaldehyde for
It is different that the influence of health includes allotriosmia, respiratory tract, abnormal pulmonary function, central nervous system effects, immune function
Inhereditary material in normal and damaging cells, harm is serious, must examine.Therefore, China's standard provides the formaldehyde in room air
Concentration cannot be more than 0.08mg/m3, and the concentration of formaldehyde in public place air must not exceed 0.12mg/m3。
At present, Formaldehyde Pollution of Indoor Air becomes the most important air pollution problem inside rooms in China, seriously endangers the life of people
Life health.In daily life, remaining formaldehyde is fitted up, the formaldehyde and daily necessities that kitchen fuel is produced through imperfect combustion
The formaldehyde moment contained in (such as chemical fibre textile, cosmetics, detergent, agrochemical) threatens people's health.
One of hot spot studied as environmental pollution improvement for the administering method of formaldehyde pollution, researcher proposes more
The method that kind administers formaldehyde pollution, including ventilation ventilation, plant purification method, physisorphtion etc..But existing method is not
Can quickly, efficiently and thoroughly solve the problems, such as formaldehyde pollution.Therefore, study it is a kind of can efficiently, the new material of fast purification formaldehyde
It is problem urgently to be resolved hurrily at present.
105056720 A of Chinese invention patent application CN disclose a kind of composite catalyzing material for being used to eliminate indoor formaldehyde
The preparation method of material, the preparation method realize the effect of absorption formaldehyde using the mixing material of a variety of inorganic matters and organic matter.
But the saleratus in the composite catalyzing material has stronger water absorbing properties, is placed in air the extremely easy moisture absorption,
Influence its performance.In addition, the preparation method of the composite catalyzing material is complex, production cost is higher, constrains the party
The large-scale application of method.
The content of the invention
Purifying formaldehyde effect, preparation method complexity, production cost height etc. are influenced in order to solve composite material due to the moisture absorption
Technical problem, the present invention is intended to provide a kind of be used for rapidly and efficiently solid composite material of purifying formaldehyde and preparation method thereof.
Specifically, the present invention adopts the following technical scheme that：
A kind of solid composite material for purifying formaldehyde, it is made of following ingredients in parts by weight：2~10 parts poly-
Vinylpyrrolidone, 1~8 part of water-soluble high-molecular compound, 4~40 parts of chiral amino alcohols, 1~6 part of titanium dioxide, 1~6 part
Stannic oxide, 1~6 part of silica, 2~6 parts of magnesia and 1~30 part of activated carbon.
Preferably, the above-mentioned solid composite material for purifying formaldehyde is made of following ingredients in parts by weight：4~8
Part polyvinylpyrrolidone, 2~6 parts of water-soluble high-molecular compounds, 10~30 parts of chiral amino alcohols, 2~5 parts of titanium dioxide, 2
~5 parts of stannic oxides, 2~5 parts of silica, 3~5 parts of magnesia and 5~20 parts of activated carbons.
It is furthermore preferred that the above-mentioned solid composite material for purifying formaldehyde is made of following ingredients in parts by weight：6 parts
Polyvinylpyrrolidone, 4 parts of water-soluble high-molecular compounds, 20 parts of chiral amino alcohols, 3 parts of titanium dioxide, 3 parts of stannic oxides, 3
Part silica, 4 parts of magnesia and 15 parts of activated carbons.
Above-mentioned in the solid composite material of purifying formaldehyde, the water-soluble high-molecular compound to be selected from polyethylene glycol
(PEG), polyacrylamide (PAM), polyacrylic acid (PAA), carboxymethyl cellulose (CMC), polyethylene glycol oxide (PEO), polyethylene
The mixture of any one or its arbitrary proportion in alcohol (PVA), polymethylacrylic acid (PMAA).
Above-mentioned in the solid composite material of purifying formaldehyde, the chiral amino alcohol to be two kinds of enantiomter molecules
The mixed racemic modification of equimolar, selected from 1,2-dimethylaminoethanol, 2,3- dimethylaminos propyl alcohol, 1,2- lignocaine second
Alcohol, 1,2- diphenylaminos ethanol, 1,2,2- triphenyl -1,2- diaminourea ethanol, 2,2- diethyl -1,2- diaminourea ethanol, N-
The mixture of any one or its arbitrary proportion in three butanol of methyl-N-ethylamino, the structural formula of above-mentioned chiral amino alcohol
It is as follows.
It is a variety of that the above-mentioned solid composite material for purifying formaldehyde can be processed into powdered, graininess, pellet, sheet etc.
Shape, to meet different requirements.
A kind of preparation method of solid composite material for purifying formaldehyde, it includes the following steps：
1) polyvinylpyrrolidone of formula ratio is added in solvent, in 20~90 DEG C of stirrings so that the polyethylene
Pyrrolidones dissolves, and adds the water-soluble high-molecular compound of formula ratio, continues constant temperature stirring so that the water solubility high score
Sub- compound dissolving, obtains solution A；
2) chiral amino alcohol of formula ratio is added in the solution A obtained in step 1), be stirred at room temperature so that is described
Chiral amino alcohol dissolves, and obtains solution B；
3) magnesia of formula ratio, titanium dioxide, stannic oxide, silica and activated carbon are mixed, obtains mixture
C；
4) mixture C obtained in step 3) is added in the solution B obtained in step 2), is shaken by stirring or ultrasound
Dynamic mode is uniformly dispersed, and obtains mixture D, by integrated molding and drying, obtains compound for the solid of purifying formaldehyde
Material.
In above-mentioned preparation method, solvent described in step 1) is either inorganic solvent or organic solvent；When
When the solvent is inorganic solvent, preferred water；When the solvent is organic solvent, preferred alcohol.
In above-mentioned preparation method, polyvinylpyrrolidone and water soluble polymer chemical combination in solution A described in step 1)
The mass percent concentration of thing is 0.1%~5%.
In being used in the rapidly and efficiently solid composite material of purifying formaldehyde for the present invention, activated carbon has higher change because of it
Learn stability, larger specific surface area and be used as absorption carrier；Chiral amino alcohol can be with alkalescence and/or catalytic condition
Aldol reaction occurs for formaldehyde, so as to have the function that purifying formaldehyde；Magnesia can absorb water and titanium dioxide in air
Carbon, and then basic magnesium carbonate is generated, alkaline environment is provided for aldol reaction, and do not interfered with after the magnesia moisture absorption compound
The solid state of material；Titanium dioxide, stannic oxide, silica etc. are used as being catalyzed because of its own with catalytic performance
Agent, improves the efficiency of aldol reaction, and enhancing composite material removes the ability of formaldehyde；As binding agent, polyvinylpyrrolidine
Said components can be combined together by ketone and water soluble polymer in the form of stable homogeneous, promote composite material and formaldehyde
Highly effective reaction.
Compared with prior art, the solid composite material for being used for rapidly and efficiently purifying formaldehyde in the present invention efficiently solves
The problem of solid material easy moisture absorption, and the ability to react with formaldehyde is improved, can quickly, efficiently and thoroughly it absorb
Formaldehyde, so as to achieve the purpose that to purify air.In addition, the preparation method in the present invention is simple and practicable, raw material are nontoxic to body
It is harmless, and production cost is low, is suitable for large-scale promotion application, great market prospects.
Brief description of the drawings
Fig. 1 is the SEM spectrograms of the pulverulent solids composite material of the present invention.
Fig. 2 is the effect diagram that the powdered solid composite material of application purifies the formaldehyde in air.
Embodiment
Further description is made to the technical solution in the present invention below in conjunction with attached drawing and specific embodiment.Unless
It is otherwise noted, instrument, material, reagent used in the following example etc. can be obtained by routine business means.
Embodiment 1：The preparation of pulverulent solids composite material.
1) 2g polyvinylpyrrolidones are added in 100g deionized waters, in 60 DEG C of magnetic agitations so that polyethylene pyrrole
Pyrrolidone dissolves, and adds 0.5g polyvinyl alcohol and 0.5g polyethylene glycol oxides, continues temperature constant magnetic stirring so that polyvinyl alcohol is molten
Solution, obtains solution A；
2) 4g 1,2-dimethylaminoethanol are added in solution A, in room temperature magnetic agitation so that 1,2- dimethylamino
Ethanol dissolves, and obtains solution B；
3) 2g magnesia, 1g titanium dioxide, 1g stannic oxides, 1g silica and 1g activated carbons are mixed, is mixed
Thing C；
4) mixture C is added in solution B, is uniformly dispersed by way of magnetic agitation, obtain mixture D, passed through
Integrated molding, drying and crushing, obtain finely dispersed pulverulent solids composite material, its SEM spectrogram is as shown in Figure 1.
Embodiment 2：The preparation of pellet solid composite material.
1) 10g polyvinylpyrrolidones are added in 500g deionized waters, in 50 DEG C of magnetic agitations so that polyethylene pyrrole
Pyrrolidone dissolves, and adds 8g carboxymethyl celluloses, continues temperature constant magnetic stirring so that carboxymethyl cellulose dissolves, and obtains molten
Liquid A；
2) by 10g 2,3- dimethylaminos propyl alcohol and 30g 1,2-diethylaminoethanol is added in solution A, in room temperature magnetic
Power stirs so that 2,3- dimethylamino propyl alcohol and 1,2-diethylaminoethanol dissolving, obtains solution B；
3) 6g magnesia, 6g titanium dioxide, 6g stannic oxides, 6g silica and 30g activated carbons are mixed, is mixed
Thing C；
4) mixture C is added in solution B, is uniformly dispersed by way of ultrasonic vibration, obtain mixture D, passed through
Integrated molding and drying, obtain the pellet solid composite material of a diameter of 1cm.
Embodiment 3：The preparation of chip solid composite material.
1) 4g polyvinylpyrrolidones are added in 200g deionized waters, in 70 DEG C of magnetic agitations so that polyethylene pyrrole
Pyrrolidone dissolves, and adds 2g polyacrylamides, continues temperature constant magnetic stirring so that polyacrylamide amine solvent, obtains solution A；
2) by 10g 1,2,2- triphenyl -1,2- diaminourea ethanol are added in solution A, in room temperature magnetic agitation so that
1,2,2- triphenyl -1,2- diaminourea ethanol dissolves, and obtains solution B；
3) 3g magnesia, 2g titanium dioxide, 2g stannic oxides, 5g silica and 5g activated carbons are mixed, is mixed
Thing C；
4) mixture C is added in solution B, is uniformly dispersed by way of ultrasonic vibration, obtain mixture D, passed through
Integrated molding and drying, obtain the chip solid composite material that the length of side is 100cm.
Embodiment 4：The preparation of pellet solid composite material.
1) 8g polyvinylpyrrolidones are added in 400g absolute ethyl alcohols, in 50 DEG C of magnetic agitations so that polyethylene pyrrole
Pyrrolidone dissolves, and adds 6g polyethylene glycol, continues temperature constant magnetic stirring so that polyethylene glycol dissolves, and obtains solution A；
2) by 30g 2,2- diethyl -1,2- diaminourea ethanol is added in solution A, in room temperature magnetic agitation so that and 2,
2- diethyl -1,2- diaminourea ethanol dissolves, and obtains solution B；
3) 5g magnesia, 3g titanium dioxide, 3g stannic oxides, 6g silica and 20g activated carbons are mixed, is mixed
Thing C；
4) mixture C is added in solution B, is uniformly dispersed by way of magnetic agitation, obtain mixture D, passed through
Integrated molding and drying, obtain the pellet solid composite material of a diameter of 10cm.
Embodiment 5：The preparation of granular solids composite material.
1) 6g polyvinylpyrrolidones are added in 300g absolute ethyl alcohols, in 60 DEG C of magnetic agitations so that polyethylene pyrrole
Pyrrolidone dissolves, and adds 4g polymethylacrylic acid, continues temperature constant magnetic stirring so that polymethylacrylic acid dissolves, and obtains molten
Liquid A；
2) by 20g 1,2- diphenylamino ethanol is added in solution A, in room temperature magnetic agitation so that 1,2- diphenylamino
Ethanol dissolves, and obtains solution B；
3) 4g magnesia, 3g titanium dioxide, 3g stannic oxides, 3g silica and 15g activated carbons are mixed, is mixed
Thing C；
4) mixture C is added in solution B, is uniformly dispersed by way of magnetic agitation, obtain mixture D, passed through
Integrated molding and drying, obtain the granular solids composite material that particle diameter is 2mm.
Embodiment 6：The purifying formaldehyde effect experiment of solid composite material.
The solid composite material in 50g embodiments 1~5 is weighed respectively as sample to be tested, while according to CN
Method described in 105056720 A prepares composite catalyzing material and weighs 50g as parallel control product.
The center of enclosed experiment device is placed in micropore box except formaldehyde products are respectively charged into by above-mentioned, adds 3.3 μ
Shutoff device door, opening warm table, unlatching fan stir immediately after 30% formaldehyde liquid of l so that formaldehyde gas is uniformly distributed
In whole experimental provision, while the formaldehyde gas concentration in experimental provision is recorded using formaldehyde sensor in real time, and under
Formula calculates formaldehyde removal rate (%)：Formaldehyde removal rate=(C0-Ct)/C0× 100%, wherein：C0For initial content, CtFor certain moment
Real-time content, corresponding experimental result is as shown in Figure 2.
As shown in Figure 2, the curve of existing product removal formaldehyde is substantially linear, shows over time at the uniform velocity
The situation of removal, when experimental period is 40 minutes, formaldehyde removal rate can reach 46% or so.In contrast, the solid of the present invention
Composite material can just reach more than 90% formaldehyde removal rate testing in initial 3~5 minutes.It is it can be seen from the above that of the invention
Solid composite material possess the quick, function of high-efficient purification formaldehyde really.
Claims (10)
1. a kind of solid composite material for purifying formaldehyde, it is made of following ingredients in parts by weight：2~10 parts of poly- second
Alkene pyrrolidone, 1~8 part of water-soluble high-molecular compound, 4~40 parts of chiral amino alcohols, 1~6 part of titanium dioxide, 1~6 part two
Tin oxide, 1~6 part of silica, 2~6 parts of magnesia and 1~30 part of activated carbon.
2. the solid composite material according to claim 1 for purifying formaldehyde, it is characterised in that：
The solid composite material for purifying formaldehyde is made of following ingredients in parts by weight：4~8 parts of polyvinyl pyrroles
Alkanone, 2~6 parts of water-soluble high-molecular compounds, 10~30 parts of chiral amino alcohols, 2~5 parts of titanium dioxide, 2~5 parts of titanium dioxides
Tin, 2~5 parts of silica, 3~5 parts of magnesia and 5~20 parts of activated carbons.
3. the solid composite material according to claim 1 for purifying formaldehyde, it is characterised in that：
The solid composite material for purifying formaldehyde is made of following ingredients in parts by weight：6 parts of polyvinylpyrrolidines
Ketone, 4 parts of water-soluble high-molecular compounds, 20 parts of chiral amino alcohols, 3 parts of titanium dioxide, 3 parts of stannic oxides, 3 parts of silica, 4
Part magnesia and 15 parts of activated carbons.
4. the solid composite material according to any one of claim 1 to 3 for purifying formaldehyde, it is characterised in that：
The water-soluble high-molecular compound is selected from polyethylene glycol, polyacrylamide, polyacrylic acid, carboxymethyl cellulose, polyoxy
Change the mixture of ethene, polyvinyl alcohol, any one or its arbitrary proportion in polymethylacrylic acid.
5. the solid composite material according to any one of claim 1 to 3 for purifying formaldehyde, it is characterised in that：
The chiral amino alcohol is selected from 1,2- dimethylaminoethanol, 2,3- dimethylaminos propyl alcohol, 1,2- diethylaminoethanols, 1,2-
Diphenylamino ethanol, 1,2,2- triphenyl -1,2- diaminourea ethanol, 2,2- diethyl -1,2- diaminourea ethanol, N- methyl-N-
The mixture of any one or its arbitrary proportion in three butanol of ethylamino.
6. the solid composite material according to any one of claim 1 to 3 for purifying formaldehyde, it is characterised in that：
The chiral amino alcohol is racemic modification.
7. the solid composite material according to any one of claim 1 to 3 for purifying formaldehyde, it is characterised in that：
The shape of the solid composite material for purifying formaldehyde is powdered, graininess, pellet or sheet.
8. a kind of preparation method of the solid composite material according to any one of claim 1 to 3 for purifying formaldehyde,
It includes the following steps：
1) polyvinylpyrrolidone of formula ratio is added in solvent, in 20~90 DEG C of stirrings so that the polyvinyl pyrrole
Alkanone dissolves, and adds the water-soluble high-molecular compound of formula ratio, continues constant temperature stirring so that the water soluble polymer
Compound dissolves, and obtains solution A；
2) chiral amino alcohol of formula ratio is added in the solution A obtained in step 1), be stirred at room temperature so that the chirality
Amino alcohol dissolves, and obtains solution B；
3) magnesia of formula ratio, titanium dioxide, stannic oxide, silica and activated carbon are mixed, obtains mixture C；
4) mixture C obtained in step 3) is added in the solution B obtained in step 2), passes through stirring or ultrasonic vibration
Mode is uniformly dispersed, and obtains mixture D, by integrated molding and drying, obtains the solid composite material for purifying formaldehyde.
9. preparation method according to claim 8, it is characterised in that：
Solvent described in step 1) is water or ethanol.
10. preparation method according to claim 8, it is characterised in that：
The mass percent concentration of polyvinylpyrrolidone and water-soluble high-molecular compound is in solution A described in step 1)
0.1%~5%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905794.5A CN107952362A (en) | 2016-10-17 | 2016-10-17 | It is a kind of to be used for rapidly and efficiently solid composite material of purifying formaldehyde and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905794.5A CN107952362A (en) | 2016-10-17 | 2016-10-17 | It is a kind of to be used for rapidly and efficiently solid composite material of purifying formaldehyde and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1359992A (en) * | 2001-12-31 | 2002-07-24 | 刘晓阳 | Blocking absorbent of formaldehyde and its preparing process and application |
| CN101279237A (en) * | 2008-05-23 | 2008-10-08 | 张宏 | Purificant for adsorbing formaldehyde and method of preparing the same |
| CN103551028A (en) * | 2013-10-10 | 2014-02-05 | 嘉兴润博化工科技有限公司 | Reaction type formaldehyde scavenger with aminopolyol as active matter and preparation method thereof |
-
2016
- 2016-10-17 CN CN201610905794.5A patent/CN107952362A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1359992A (en) * | 2001-12-31 | 2002-07-24 | 刘晓阳 | Blocking absorbent of formaldehyde and its preparing process and application |
| CN101279237A (en) * | 2008-05-23 | 2008-10-08 | 张宏 | Purificant for adsorbing formaldehyde and method of preparing the same |
| CN103551028A (en) * | 2013-10-10 | 2014-02-05 | 嘉兴润博化工科技有限公司 | Reaction type formaldehyde scavenger with aminopolyol as active matter and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| MAMORU AI: "The production of methyl vinyl ketone by the vapor-phase aldol condensation between formaldehyde and acetone", 《JOURNAL OF CATALYSIS》 * |
| 王杏 等著: "《纳米二氧化钛的生产与应用》", 31 July 2014, 贵州科技出版社 * |
| 贾丽华 等编著: "《化学工程与工艺综合实验》", 30 September 2009, 哈尔滨工程大学出版社 * |
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Application publication date: 20180424 |