CN109529569A - A kind of compound deodorizer and preparation method thereof - Google Patents
A kind of compound deodorizer and preparation method thereof Download PDFInfo
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- CN109529569A CN109529569A CN201811490712.0A CN201811490712A CN109529569A CN 109529569 A CN109529569 A CN 109529569A CN 201811490712 A CN201811490712 A CN 201811490712A CN 109529569 A CN109529569 A CN 109529569A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
-
- 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
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- 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
- B01D53/54—Nitrogen 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
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
-
- 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
Abstract
The invention discloses a kind of compound deodorizers and preparation method thereof.The present invention selects porous material as carrier, is loaded to deodorization effective component on porous material as deodorization effective component using amino acid and/or amino alcohol, and forms compound deodorizer after being sufficiently mixed with zinc compound.Compound deodorizer of the invention has stronger absorption and elimination effect to a variety of stink odors, and there is good long-acting deodorization effect, it can be supported on nonwoven cloth filter by spraying, impregnating technique, utilize the active purification ability of air purifier, formaldehyde and a variety of stink odors in room air are removed simultaneously, are effectively improved indoor air quality.
Description
Technical field
The present invention relates to technical field of air purification processing, and in particular to a kind of compound deodorizer and preparation method thereof.
Background technique
Foul smell in life is very common, such as finishing smell, garbage odor, lavatory stink and vehicle exhaust etc., serious shadow
Ring people's lives and health.These stink odors include the nitrogenous compounds such as ammonia, trimethylamine, hydrogen sulfide, methyl mercaptan etc.
Sulfide, the aldehydes such as the acidic materials such as acetic acid and formaldehyde.
In order to improve the quality of living, injury of the foul smell to people's health is reduced, market demands, which provide, has deodorization effect
The product of fruit.The deodorant supplied in the market mainly passes through release aromatic or physical absorption or by occurring with stink odor
Chemical reaction, to achieve the effect that deodorization.Currently, physical absorption class deodorant mostly uses greatly active carbon, but pure active carbon
Physical absorption capacity is limited, reaches saturation in addition to foul smell can also adsorb other gases, and adsorption saturation or environment temperature increase
When be easily desorbed.Therefore, it is necessary to adsorb using chemosorbent to foul smell, enhance deodorizing effect.
Since the foul smell in life is often composite parts, to reach preferable deodorizing effect, need for different foul smell
The deodorant of ingredient is used in combination, and this requires deodorization agent carriers to have biggish load capacity.Active carbon is a kind of preferable
Carrier, but its black limits its use scope.It includes zinc oxide and aluminium oxide that CN106714850A, which is disclosed a kind of, to sulphur system
With the deodorant of sour gas efficient deodorizing, but the deodorant to amine gas to no effect.CN201310329185.6 is disclosed
A kind of zinc compound and amino acid in zinc carbonate and zinc oxide, the deodorant that amino alcohol is effective component, can be effective
Ammonia, hydrogen sulfide, isovaleric acid, acetaldehyde are removed, but the specific surface of zinc carbonate or zinc oxide is typically small, amino acid and amino alcohol
Load capacity is restricted, and with pollutant insufficient contact, be unfavorable for improve deodoriging properties.
Summary of the invention
It is an object of the invention to a kind of compound deodorizer and its preparation side are provided in place of overcome the deficiencies in the prior art
Method, deodorization effective component load capacity is small to solve in current deodorant, and the deodorizing effect duration is not grown, and contacts with pollutant
It is insufficient, the poor problem of deodoriging properties.
To achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of compound deodorizer, including zinc compound and odor removal composite material, the odor removal composite material is with porous material
Material is carrier, and load has deodorization effective component, and the porous material is molecular sieve, aluminium oxide, active carbon, at least one in silica gel
Kind, the deodorization effective component is at least one of amino alcohol, amino acid.
The present invention selects porous material as carrier, using amino acid and/or amino alcohol as deodorization effective component, by deodorization
Effective component loads on porous material, and forms compound deodorizer after being sufficiently mixed with zinc compound.In compound deodorizer
Zinc compound can effectively remove hydrogen sulfide and SO2；The acidic materials such as formaldehyde, acetaldehyde, acetic acid pass through amino alcohol and amino acid
In amino removal, ammonia, trimethylamine then pass through the carboxyl in amino acid removal, therefore, compound deodorizer of the invention is to more
Kind stink odor has stronger absorption and elimination effect, and has good long-acting deodorization effect.
As the preferred embodiment of compound deodorizer of the present invention, the odor removal composite material and zinc compound
Mass ratio be 1:1~10:1.
The deodorizing effect of the compositely proportional and compound deodorizer of odor removal composite material and zinc compound is closely related, deodorization
When the control of the mass ratio of composite material and zinc compound is 1:1~10:1, the compound deodorizer is to ammonia, trimethylamine, vulcanization
A variety of stink odors such as hydrogen, acetic acid and formaldehyde have stronger absorption and elimination effect.
As the preferred embodiment of compound deodorizer of the present invention, the odor removal composite material and zinc compound
Mass ratio be 3:1.
Further, when the control of the mass ratio of odor removal composite material and zinc compound is 3:1, the compound deodorizer pair
A variety of stink odors have stronger absorption and elimination effect, and have good long-acting deodorization effect.
As the preferred embodiment of compound deodorizer of the present invention, the porous material is silica gel, it is highly preferred that
0.6~0.85cm of Kong Rongwei of the silica gel3/ g, specific surface area are 400~600m2/g；The mesh number of the zinc compound is not small
In 200 mesh.
The chemical stability of silica gel is high, acid and alkali-resistance, is suitble to the type of the deodorization effective component of load on silica gel more.With
Other porous materials are compared, and the macropore of silica gel holds the dispersion load that deodorization effective component is more advantageous to high-specific surface area, also more
Be conducive to capture pollutant, promote deodorizing effect, but excessively high Kong Rong and the silica gel of specific surface area are more rare on the market, price
It is more expensive, improve production cost.Therefore, comprehensively consider deodorizing effect and cost, it is 0.6~0.85cm that selecting hole, which holds,3/ g, specific surface
Product is 400~600m2The silica gel of/g is more appropriate.
As the preferred embodiment of compound deodorizer of the present invention, the deodorization effective component is amino alcohol and ammonia
The mass ratio of base acid blend, amino acid and amino alcohol is 1:1~1:4.
As the preferred embodiment of compound deodorizer of the present invention, the deodorization effective component is on the porous material
Load capacity be 6~15wt%.
As the preferred embodiment of compound deodorizer of the present invention, the zinc compound is zinc carbonate, oxidation
At least one of zinc；The amino acid includes glycine, alanine, arginine, glutamic acid, histidine, lysine, silk ammonia
At least one of acid, cysteine；The amino alcohol includes 2- amino-3- methyl-1-propyl alcohol, 2- amino-2-methyl-1- third
At least one of alcohol, 2- amino -2- ethyl glycol.
The present invention also provides the preparation methods of above-mentioned compound deodorizer, comprising the following steps:
(1) deodorization effective component solution is prepared, porous material is immersed in deodorization effective component solution, dries, obtains
Odor removal composite material；
(2) odor removal composite material is mixed with zinc compound, obtains the compound deodorizer.
The preferred embodiment of preparation method as compound deodorizer of the present invention, the deodorization effective component are molten
The mass fraction of deodorization effective component is 5%~15% in liquid, and the mass ratio of porous material and deodorization effective component solution is 1:
1.5~1:3.
The preferred embodiment of preparation method as compound deodorizer of the present invention in the step (1), is impregnated
Time be 0.5~2h, the temperature of drying is 70~110 DEG C.
Compared with prior art, the invention has the benefit that
(1) present invention selects porous material will using amino acid and/or amino alcohol as deodorization effective component as carrier
Deodorization effective component loads on porous material, and forms compound deodorizer after being sufficiently mixed with zinc compound.The present invention couple
A variety of stink odors have stronger absorption and elimination effect, and have good long-acting deodorization effect.
(2) compound deodorizer of the invention can be supported on nonwoven cloth filter by spraying, impregnating technique, and be utilized
The active purification ability of air purifier, while the formaldehyde in room air and a variety of stink odors are removed, it is effectively improved interior
Air quality.
Specific embodiment
Purposes, technical schemes and advantages in order to better illustrate the present invention, below in conjunction with specific embodiment to the present invention
It further illustrates.It will be appreciated by those skilled in the art that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
In embodiment, used experimental method is conventional method unless otherwise specified, material used, reagent etc.,
It is commercially available unless otherwise specified.
The total matter of deodorization effective component that load capacity refers to deodorization effective component quality and carrier and its loaded in the application
The ratio of amount.
Embodiment 1
As a kind of embodiment of compound deodorizer of the present invention, compound deodorizer described in the present embodiment includes oxidation
Zinc and odor removal composite material, for the odor removal composite material using silica gel as carrier, load has glycine.
The mass ratio of the odor removal composite material and zinc oxide is 3:1；The Kong Rongwei 0.85cm of the silica gel3/ g compares table
Area is 600m2/g；The mesh number of the zinc oxide is 200 mesh；The load capacity of the glycine on silica gel is 6wt%.
The preparation method of compound deodorizer described in the present embodiment the following steps are included:
(1) glycine solution is prepared, 100g silica gel is immersed in the glycine solution that 150g mass fraction is 5% sufficiently
Absorption filters off supernatant after impregnating 2h, is put into 90 DEG C of baking ovens and dries, obtain odor removal composite material；
(2) odor removal composite material is mixed with zinc oxide according to the mass ratio of 3:1, obtains the compound deodorizer.
Embodiment 2
As a kind of embodiment of compound deodorizer of the present invention, compound deodorizer described in the present embodiment includes oxidation
Zinc and odor removal composite material, for the odor removal composite material using silica gel as carrier, load has alanine.
The mass ratio of the odor removal composite material and zinc oxide is 3:1；The Kong Rongwei 0.85cm of the silica gel3/ g compares table
Area is 600m2/g；The mesh number of the zinc oxide is 200 mesh；The load capacity of the alanine on silica gel is 8wt%.
The preparation method of compound deodorizer described in the present embodiment the following steps are included:
(1) alanine solution is prepared, 100g silica gel is immersed in the alanine solution that 200g mass fraction is 10% and is filled
Divide absorption, filters off supernatant after impregnating 1h, be put into 70 DEG C of baking ovens and dry, obtain odor removal composite material；
(2) odor removal composite material is mixed with zinc oxide according to the mass ratio of 3:1, obtains the compound deodorizer.
Embodiment 3
As a kind of embodiment of compound deodorizer of the present invention, compound deodorizer described in the present embodiment includes oxidation
Zinc and odor removal composite material, for the odor removal composite material using silica gel as carrier, load has serine and 2- amino-2-methyl -1-
The mass ratio of propyl alcohol, serine and 2-amino-2-methyl-1-propanol is 3:8.
The mass ratio of the odor removal composite material and zinc oxide is 3:1；The Kong Rongwei 0.8cm of the silica gel3/ g, specific surface
Product is 600m2/g；The mesh number of the zinc oxide is 200 mesh；The serine and 2-amino-2-methyl-1-propanol are on silica gel
Load capacity be respectively 3wt% and 8wt%.
The preparation method of compound deodorizer described in the present embodiment the following steps are included:
(1) mixed solution for preparing serine and 2-amino-2-methyl-1-propanol, is immersed in 200g for 100g silica gel
It sufficiently adsorbs in the mixed solution that the total mass fraction of propylhomoserin and 2-amino-2-methyl-1-propanol is 10%, is filtered off after impregnating 1h
Supernatant is put into 90 DEG C of baking ovens and dries, obtains odor removal composite material；
(2) odor removal composite material is mixed with zinc oxide according to the mass ratio of 3:1, obtains the compound deodorizer.
Embodiment 4
As a kind of embodiment of compound deodorizer of the present invention, compound deodorizer described in the present embodiment includes oxidation
Zinc and odor removal composite material, for the odor removal composite material using silica gel as carrier, load has glycine.
The mass ratio of the odor removal composite material and zinc oxide is 1:1；The Kong Rongwei 0.6cm of the silica gel3/ g, specific surface
Product is 400m2/g；The mesh number of the zinc oxide is 200 mesh；The load capacity of the glycine on silica gel is 7wt%.
The preparation method of compound deodorizer described in the present embodiment the following steps are included:
(1) glycine solution is prepared, 100g silica gel is immersed in the glycine solution that 200g mass fraction is 10% and is filled
Divide absorption, filters off supernatant after impregnating 1h, be put into 110 DEG C of baking ovens and dry, obtain odor removal composite material；
(2) odor removal composite material is mixed with zinc oxide according to the mass ratio of 1:1, obtains the compound deodorizer.
Embodiment 5
As a kind of embodiment of compound deodorizer of the present invention, compound deodorizer described in the present embodiment includes oxidation
Zinc and odor removal composite material, for the odor removal composite material using silica gel as carrier, load has glycine.
The mass ratio of the odor removal composite material and zinc oxide is 1:1；The Kong Rongwei 0.5cm of the silica gel3/ g, specific surface
Product is 300m2/g；The mesh number of the zinc oxide is 200 mesh；The load capacity of the glycine on silica gel is 7wt%.
The preparation method of compound deodorizer described in the present embodiment the following steps are included:
(1) glycine solution is prepared, 100g silica gel is immersed in the glycine that 200g mass fraction is 10% and is sufficiently inhaled
It is attached, supernatant is filtered off after impregnating 1h, is put into 90 DEG C of baking ovens and dries, obtain odor removal composite material；
(2) odor removal composite material is mixed with zinc oxide according to the mass ratio of 1:1, obtains the compound deodorizer.
Embodiment 6
As a kind of embodiment of compound deodorizer of the present invention, compound deodorizer described in the present embodiment includes oxidation
Zinc and odor removal composite material, for the odor removal composite material using silica gel as carrier, load has glycine and 2- amino -2- ethyl the third two
The mass ratio of alcohol, glycine and 2- amino -2- ethyl glycol is 1:1.
The mass ratio of the odor removal composite material and zinc oxide is 5:1；The Kong Rongwei 0.75cm of the silica gel3/ g compares table
Area is 500m2/g；The mesh number of the zinc oxide is 200 mesh；The glycine and 2- amino -2- ethyl glycol are on silica gel
Load capacity be respectively 6wt% and 6wt%.
The preparation method of compound deodorizer described in the present embodiment the following steps are included:
(1) mixed solution for preparing glycine and 2- amino -2- ethyl glycol, is immersed in the sweet ammonia of 200g for 100g silica gel
It sufficiently adsorbs in the mixed solution that the total mass fraction of acid and 2- amino -2- ethyl glycol is 10%, is filtered off after impregnating 1h
Clear liquid is put into 90 DEG C of baking ovens and dries, obtains odor removal composite material；
(2) odor removal composite material is mixed with zinc oxide according to the mass ratio of 5:1, obtains the compound deodorizer.
Embodiment 7
As a kind of embodiment of compound deodorizer of the present invention, compound deodorizer described in the present embodiment includes containing zinc
Compound and odor removal composite material, the zinc compound are the mixture of zinc oxide and zinc carbonate；The odor removal composite material
Using silica gel as carrier, load has glutamic acid and 2- amino-3- methyl-1-propyl alcohol, glutamic acid and 2- amino-3- methyl-1-propyl alcohol
Mass ratio be 1:4.
The ratio between quality and zinc oxide and the gross mass of zinc carbonate of the odor removal composite material are 10:1；Zinc oxide and carbonic acid
The mass ratio of zinc is 1:1；The Kong Rongwei 0.85cm of the silica gel3/ g, specific surface area 600m2/g；The mesh number of the zinc oxide is
200 mesh；The glutamic acid and the 2- amino-3- methyl-1-load capacity of propyl alcohol on silica gel are respectively 3% and 12%.
The preparation method of compound deodorizer described in the present embodiment the following steps are included:
(1) glutamic acid and 2- amino-3- methyl-1-propyl alcohol mixed solution are prepared, 100g silica gel is immersed in 300g paddy
It is sufficiently adsorbed in the mixed solution that propylhomoserin and 2- amino-3- methyl-1-propyl alcohol total mass fraction are 15%, after impregnating 0.5h
Supernatant is filtered off, is put into 90 DEG C of baking ovens and dries, obtain odor removal composite material；
(2) odor removal composite material is mixed with zinc compound according to the mass ratio of 10:1, obtains the compound deodorizer.
Embodiment 8
Compound deodorizer described in this comparative example and embodiment 1 are almost the same, and difference is to replace in the silica gel in embodiment 1
Change Y type molecular sieve into.
Comparative example 1
Compound deodorizer described in this comparative example and embodiment 1 are almost the same, and difference is to replace in the silica gel in embodiment 1
Change zinc oxide into.
Deodorization Experiment
The deodorizing effect of compound deodorizer is tested in 30L acrylic storehouse, the initial concentration of each gas in acrylic storehouse are as follows:
Ammonia 10ppm, trimethylamine 10ppm, hydrogen sulfide 10ppm, acetic acid 10ppm, formaldehyde 5ppm.It will be respectively by Examples 1 to 8 and comparison
The compound deodorizer of example 1, which is added in acrylic storehouse, starts timing, and compound deodorizer additive amount is 1g, uses GASTEC after 30min
Detection pipe measures gas concentration, according to initial concentration and terminates the removal rate after concentration calculation gas reaches the stipulated time, as a result
As shown in table 1.
Table 1
| Ammonia | Trimethylamine | Hydrogen sulfide | Acetic acid | Formaldehyde | |
| Embodiment 1 | 95% | 90% | 95% | 85% | 90% |
| Embodiment 2 | 95% | 95% | 95% | 85% | 90% |
| Embodiment 3 | 95% | 90% | 95% | 90% | 90% |
| Embodiment 4 | 95% | 95% | 98% | 90% | 90% |
| Embodiment 5 | 90% | 90% | 95% | 90% | 95% |
| Embodiment 6 | 92% | 95% | 95% | 88% | 95% |
| Embodiment 7 | 95% | 95% | 96% | 88% | 95% |
| Embodiment 8 | 94% | 89% | 92% | 82% | 85% |
| Comparative example 1 | 80% | 80% | 95% | 80% | 80% |
From table 1 it follows that with using pure zinc oxide, compared with the compound deodorizer of carrier, the compound of Examples 1 to 7 is removed
Smelly dose using silica gel as carrier, for embodiment 8 using molecular sieve as carrier, the specific surface area of silica gel and molecular sieve is larger, is more advantageous to
Deodorization effective component is loaded, has preferable removal effect to each gas componant.By embodiment 1 and embodiment 8 it is found that with Y type
Molecular sieve is compared, and using silica gel as carrier, is more advantageous to the dispersion load of deodorization effective component, to have better deodorization effect
Fruit.In addition, inventor has found through overtesting, the Y type molecular sieve in embodiment 8 is replaced with into aluminium oxide, active carbon, is had similar
Deodorizing effect, foul smell removal rate is slightly below silica gel.
Long-acting deodorization test is carried out to the compound deodorizer of embodiment 1 and comparative example 1, acrylic storehouse is added in compound deodorizer
Middle beginning timing, testing time are 30min, according to initial concentration and terminate concentration calculation gas and reach and go after the stipulated time
Except rate, the results are shown in Table 2.
Table 2
From Table 2, it can be seen that using high-ratio surface and hole hold silica gel as the compound deodorizer of carrier after testing three times according to
So retain higher removal efficiency, and decay of activity trend occurred using pure zinc oxide as the compound deodorizer of carrier, shows this
The compound deodorizer of invention has good long-acting deodorization effect.
Compound deodorizer of the invention can be supported on nonwoven cloth filter by spraying, impregnating technique, utilize air
The active purification ability of clarifier, while the formaldehyde in room air and a variety of stink odors are removed, it is effectively improved room air
Quality.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range is protected, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should
Understand, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the essence of technical solution of the present invention
And range.
Claims (10)
1. a kind of compound deodorizer, which is characterized in that including zinc compound and odor removal composite material, the odor removal composite material
Using porous material as carrier, load has deodorization effective component, and the porous material is molecular sieve, in aluminium oxide, active carbon, silica gel
At least one, the deodorization effective component be at least one of amino alcohol, amino acid.
2. compound deodorizer according to claim 1, which is characterized in that the odor removal composite material and zinc compound
Mass ratio is 1:1~10:1.
3. compound deodorizer according to claim 2, which is characterized in that the odor removal composite material and zinc compound
Mass ratio is 3:1.
4. compound deodorizer according to claim 1, which is characterized in that the porous material is silica gel, the silica gel
0.6~0.85cm of Kong Rongwei3/ g, specific surface area are 400~600m2/g；The mesh number of the zinc compound is not less than 200 mesh.
5. compound deodorizer according to claim 1, which is characterized in that the deodorization effective component is amino alcohol and amino
The mass ratio of acid blend, amino acid and amino alcohol is 1:1~1:4.
6. compound deodorizer according to claim 1, which is characterized in that the deodorization effective component is on the porous material
Load capacity is 6~15wt%.
7. described in any item compound deodorizers according to claim 1~6, which is characterized in that the zinc compound is carbonic acid
At least one of zinc, zinc oxide；The amino acid includes glycine, alanine, arginine, glutamic acid, histidine, relies ammonia
At least one of acid, serine, cysteine；The amino alcohol includes 2- amino-3- methyl-1-propyl alcohol, 2- amino-2- first
At least one of base -1- propyl alcohol, 2- amino -2- ethyl glycol.
8. the preparation method of described in any item compound deodorizers according to claim 1~7, which is characterized in that including following step
It is rapid:
(1) deodorization effective component solution is prepared, porous material is immersed in deodorization effective component solution, dries, obtains deodorization
Composite material；
(2) odor removal composite material is mixed with zinc compound, obtains the compound deodorizer.
9. the preparation method of compound deodorizer according to claim 8, which is characterized in that the deodorization effective component solution
The mass fraction of middle deodorization effective component is 5%~15%, and the mass ratio of porous material and deodorization effective component solution is 1:1.5
~1:3.
10. the preparation method of compound deodorizer according to claim 8 or claim 9, which is characterized in that in the step (1), leaching
The time of bubble is 0.5~2h, and the temperature of drying is 70~110 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111888909A (en) * | 2020-07-22 | 2020-11-06 | 北京海达华环境科技有限公司 | Composition for removing ammonia and nitrogen compound related odor, preparation and application |
| CN112403528A (en) * | 2020-11-17 | 2021-02-26 | 安徽康佳同创电器有限公司 | Odor-free fresh-keeping material, preparation method thereof and refrigerator |
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