CN109078477A - A kind of hydroxy-amino-acid is except purifying formaldehyde material and preparation method thereof - Google Patents
A kind of hydroxy-amino-acid is except purifying formaldehyde material and preparation method thereof Download PDFInfo
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- CN109078477A CN109078477A CN201811007724.3A CN201811007724A CN109078477A CN 109078477 A CN109078477 A CN 109078477A CN 201811007724 A CN201811007724 A CN 201811007724A CN 109078477 A CN109078477 A CN 109078477A
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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
- B01D53/81—Solid phase processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Abstract
A kind of hydroxy-amino-acid selects porous adsorbing material to be used as carrier except purifying formaldehyde material and preparation method thereof, is that 0.03:1~0.3:1 weighs hydroxy-amino-acid and is dissolved in after water stirring hydroxyl amino aqueous acid to obtain the final product by the weight ratio of hydroxy-amino-acid and water；The porous carrier is placed in vacuum impregnation tank, is vacuumized after sealing vacuum impregnation tank, using hydroxyl amino aqueous acid described in vacuum suck, drying is made after vacuum impregnation.By the way that hydroxyl amino acid composition to be grafted to inside porous adsorbing material, addition reaction can occur with formaldehyde for hydroxyl and amino, and basis weight materials can purify more formaldehyde amounts, therefore material has longer service life, has certain market prospects.
Description
Technical field
The invention belongs to surrounding purifying material field, more particularly, to a kind of hydroxy-amino-acid except purifying formaldehyde material and its
Preparation method.
Background technique
Formaldehyde is common contaminant in room air, and formaldehyde, release week can be released in interior architecture decorating and renovating material
Phase is up to the several years.The World Health Organization (WHO), can studies have shown that be chronically exposed to containing in formaldehyde, benzene homologues high risk VOC
Cancer and leukaemia can be will lead to.
Currently, the purification method of formaldehyde in indoor air is common absorption method, catalytic oxidation, water absorption method etc..It is porous
Adsorbent material has the advantages that adsorbable multiple gases, cheap, easy to use, the disadvantage is that being directed to this kind of C1 small molecule of formaldehyde
Organic matter adsorption effect is poor, and easily desorption causes secondary pollution.Catalytic oxidation is divided into photocatalytic method and noble metal catalyst catalysis
Oxidizing process, photocatalytic method by-product species are more, formaldehyde cannot be fully converted into carbon dioxide and water, have potential risk；
Noble metal catalyst is common platinum titanium deoxide catalyst, can oxidize the formaldehyde at room temperature and resolve into carbon dioxide and water, lacks
Point is that noble metal is at high cost.
By the way that hydroxyl amino acid composition to be grafted to inside porous adsorbing material, hydroxyl and amino can be sent out with formaldehyde
Raw addition reaction, basis weight materials can purify more formaldehyde amounts, therefore material has longer service life, have big
The market prospects of sizable application.
Summary of the invention
The present invention with hydroxyl amino acid be main active component, through vacuum impregnation technique, inside porous adsorbing material
It is grafted hydroxyl amino acid constituents, achievees the purpose that purify formaldehyde in air, which has longer service life.
In particular it relates to which a kind of hydroxy-amino-acid removes the preparation method of purifying formaldehyde material, it is characterised in that packet
Include following steps:
(1) select porous adsorbing material as carrier, the specific surface area of the porous adsorbing material is in 100-2000m2/g
Between；
(2) hydroxyl amino aqueous acid is configured, is that 0.03:1~0.3:1 weighs hydroxyl by the weight ratio of hydroxy-amino-acid and water
Base amino acid is dissolved in after water stirring up to hydroxyl amino aqueous acid；
(3) porous carrier is placed in vacuum impregnation tank by vacuum impregnation, is vacuumized after sealing vacuum impregnation tank, benefit
The hydroxyl amino aqueous acid described in vacuum suck, the volume ratio for controlling sucked hydroxyl amino aqueous acid and carrier is 0.8:
1~1.2:1, after sufficiently mixing, vacuum impregnation 1~3 hour.
(4) dipping post-processes, and after the completion of dipping, impregnated hydroxyl amino aqueous acid is recycled and is filtered, after dipping
Carrier be lower than 5% as drying at 120 DEG C to moisture content, hydroxy-amino-acid is made except formaldehyde materials.
Further, porous adsorbing material is selected from: active carbon, molecular sieve, silica gel, zeolite, kaolin, clay, titanium dioxide
It is titanium, silica, one or more in aluminium oxide.
Further, the hydroxy-amino-acid is selected from: serine, threonine, tyrosine, 5- hydroxylysine, hydroxyl dried meat ammonia
One or more of acid, 3- hydroxyAspartic acid and related derivatives.
Further, in the vacuum impregnation step, vacuum degree control is in -0.01MPa to -0.1MPa range.
Further, the volume of the hydroxyl amino aqueous acid and carrier is preferably 0.9:1~1.1:1.
The invention further relates to hydroxy-amino-acids prepared by a kind of preparation method according to the present invention to remove purifying formaldehyde material,
Wherein, the material use hydroxyl amino acid solution after carrying out vacuum impregnation to carrier under vacuum conditions, is done
Dry impregnated carrier is made.
Further, the porous adsorbing material is selected from: active carbon, molecular sieve, silica gel, zeolite, kaolin, clay, and two
It is titanium oxide, silica, one or more in aluminium oxide.Further, the hydroxy-amino-acid is selected from: serine, threonine,
One or more of tyrosine, 5- hydroxylysine, hydroxy-proline, 3- hydroxyAspartic acid and related derivatives.
Long-life hydroxy-amino-acid according to the present invention removes formaldehyde materials method of evaluating performance are as follows:
Formaldehyde CADR value (Clean air delivery rate, the value is bigger, and expression purification speed is faster) test: 100 grams of purifying formaldehyde materials are taken
Material tiling is placed into air quantity 300m3/h air purifier to 70 mesh stainless (steel) wire surfaces of 0.1 square meter, according to GB/
T18801-2015 " air purifier ", test purifier formaldehyde CADR value, unit m3/h in 30 cubes of Laboratory Modules.Formaldehyde
CCM value (accumulative purge amount, the value is higher, and expression purifying formaldehyde amount is bigger, and service life is longer) test: according to GB/T18801-
Clarifier formaldehyde CCM value test method in 2015 " air purifiers ", in above-mentioned air purifier, the formaldehyde of test material
CCM value, unit mg/g.
By above-mentioned evaluation method, better result is obtained to testing of materials value of the invention.The present invention uses
Bionics principle, after imitation formaldehyde in air enters human body, the mechanism caused a disease with human amino acid's addition reaction passes through Vaccum Permeating
Hydroxyl amino acid composition is grafted to porous adsorbing material internal capillary by stain technique, and drying drying forms.When first in air
After aldehyde is adsorbed by porous adsorbing material, formaldehyde and hydroxyl amino acid occur addition reaction and are cured to inside micropore, reach
Except formaldehyde purpose, since hydroxyl can be reacted with amino with formaldehyde, material has longer service life, can remove more
More formaldehyde, the material can be extensively in the multiple products such as Household Air Purifier, fresh air purifier, air conditioner filter.
Specific embodiment
The present invention relates to the preparation methods that a kind of hydroxy-amino-acid removes purifying formaldehyde material, it is characterised in that including walking as follows
It is rapid:
(1) select porous adsorbing material as carrier, the specific surface area for the porous adsorbing material that the present invention selects is in 100-
2000m2Between/g.
In order to preferably improve the absorption property and pickling efficiency of porous carrier, it is preferable that porous carrier can be in advance true
Vacuum pre-treatment is carried out in empty impregnating autoclave.The vacuum degree control of vacuum pre-treatment is pre- to locate in -0.01MPa to -0.1MPa range
Managing the time is 1 to 3 hours, by the vacuum processing, can effectively remove moisture inside porous carrier and volatile organic matter is miscellaneous
Matter facilitates porous material improvement effect and efficiency in vacuum impregnation below.
Vacuum pre-treatment does not need medium, it is only necessary to pressure pretreatment is carried out to porous adsorbing medium, by porous adsorption material
Material internal moisture is discharged by pressure mode；Part Analysis of Volatile Organic Impurity is discharged while moisture discharge, after being conducive to
Treatment effect when phase hydroxyl amino aqueous acid impregnates.
(2) hydroxyl amino aqueous acid is configured, is that 0.03:1~0.3:1 weighs hydroxyl by the weight ratio of hydroxy-amino-acid and water
Base amino acid is dissolved in after water stirring up to hydroxyl amino aqueous acid；Aqueous solution can configure at room temperature, preferably go in water removal
The pure water of ion.
(3) porous carrier is placed in vacuum impregnation tank by vacuum impregnation, is vacuumized after sealing vacuum impregnation tank, benefit
The hydroxyl amino aqueous acid described in vacuum suck, the volume ratio for controlling sucked hydroxyl amino aqueous acid and carrier is 0.8:
1~1.2:1, after sufficiently mixing, vacuum impregnation 1~3 hour.
(4) dipping post-processes, and after the completion of dipping, impregnated hydroxyl amino aqueous acid is recycled and is filtered, after dipping
Carrier be lower than 5% as drying at 120 DEG C to moisture content, hydroxy-amino-acid is made except formaldehyde materials.
Porous adsorbing material is selected from but not limited to: active carbon, molecular sieve, silica gel, zeolite, kaolin, clay, titanium dioxide
Titanium, silica, one or more in aluminium oxide, porous carrier can be graininess, Particle Breakage shape, powdered, honeycomb
Etc. diversified forms.
Hydroxy-amino-acid is selected from but not limited in the application: serine, threonine, tyrosine, 5- hydroxylysine, hydroxyl dried meat
One or more of propylhomoserin, 3- hydroxyAspartic acid and related derivatives.
In vacuum impregnation step, vacuum degree control is in -0.01MPa to -0.1MPa range.
The volume of hydroxyl amino aqueous acid and carrier is preferably 0.9:1~1.1:1.
The invention further relates to hydroxy-amino-acids prepared by a kind of preparation method according to the present invention to remove purifying formaldehyde material.
Wherein, the material use hydroxyl amino acid solution after carrying out vacuum impregnation to carrier under vacuum conditions, is done
Dry impregnated carrier is made.
Further, the porous adsorbing material is selected from: active carbon, molecular sieve, silica gel, zeolite, kaolin, clay, and two
Titanium oxide, silica, one or more in aluminium oxide, as needed, porous adsorbing material particle size is in 30-70 mesh.Into
One step, the hydroxy-amino-acid is selected from: serine, threonine, tyrosine, 5- hydroxylysine, hydroxy-proline, 3- hydroxyl day
One or more of aspartic acid and related derivatives.
Porous carrier can be the diversified forms such as graininess, Particle Breakage shape, powdered, honeycomb.
The hydroxy-amino-acid of the application is made into the product of different patterns as needed except purifying formaldehyde material, for example, by using
The scavenging material of pelleted substrate can be made into plate purification assembly, and (such as carbon core, can be used in air purifier, or be made into charcoal bag
For fitting up room taste removal), using Particle Breakage shape carrier scavenging material can with filter paper is compound makes a variety of composite materials
(such as folder carbon cloth, notice, which folds, can be made into filter, in air purifier), powder carrier can be coated in filter paper table
Face was made into except formaldehyde filter paper (as can be used for interior decoration taste removal except aldehyde filter paper), and the scavenging material of honeycomb support has low-resistance
Force characteristic can be used in the products such as air-conditioning, fresh air purifier.
In order to preferably embody technical solution of the present invention and technical effect, comparative example is given in each embodiment,
Referring to comparative situation, those skilled in the art are able to be best understood from effect of the invention.
Comparative example 1:
Carrier selects iodine number 1050mg/g, Φ 2mm column-shaped active carbon.
The lysine for choosing not hydroxyl does performance comparison test, weighs 10 grams of lysine, is dissolved in 100 grams of water, mixes
It stirs evenly, is configured to lysine solution.100 grams of column-shaped active carbons are placed in vacuum impregnation tank, be evacuated down to-
0.08MPa sucks lysine solution, opens stirring, vacuum impregnation 2h.After solution drainage, 120 DEG C to be dried to water content low
In 5%.It is tested according to except formaldehyde materials method of evaluating performance, formaldehyde CADR value is 43.8m3/h, and formaldehyde CCM value is 3.4mg/g,
Test data is shown in Table one.
Embodiment 1:
Carrier selects iodine number 1050mg/g, Φ 2mm column-shaped active carbon.
10 grams of 5- hydroxylysine for choosing hydroxyl, are dissolved in 100 grams of water, are mixed evenly, and are configured to 5- hydroxyl and rely ammonia
Acid solution.100 grams of column-shaped active carbons are placed in vacuum impregnation tank, -0.08MPa is evacuated down to, suck above-mentioned solution, unlatching is stirred
It mixes, vacuum impregnation 2h.After solution drainage, 120 DEG C are dried to water content lower than 5%.According to except formaldehyde materials performance evaluation side
Method tests formaldehyde CADR value and CCM value, and formaldehyde CADR value is 54.6m3/h, and formaldehyde CCM value is 5.1mg/g, and test data is shown in Table
One.
Comparative example 2:
Carrier selects iodine number 1050mg/g, 30 to 70 mesh to be crushed shaped activated carbon.
The aspartic acid for choosing not hydroxyl does performance comparison test, weighs 10 grams of aspartic acid, is dissolved in 100 grams of water,
It is mixed evenly, is configured to aspartic acid aqueous solution.100 gram of 30 to 70 mesh is crushed shaped activated carbon and is placed in vacuum impregnation tank
In, it is evacuated down to -0.08MPa, sucks aspartic acid aqueous solution, opens stirring, vacuum impregnation 1h.After solution drainage, 120 DEG C
Water content is dried to lower than 5%.It is tested according to except formaldehyde materials method of evaluating performance, formaldehyde CADR value is 79.4m3/h, formaldehyde
CCM value is 6.3mg/g, and test data is shown in Table one.
Embodiment 2:
Carrier selects iodine number 1050mg/g, 30 to 70 mesh to be crushed shaped activated carbon.
10 grams of 3- hydroxyAspartic acid for choosing hydroxyl, are dissolved in 100 grams of water, are mixed evenly, be configured to 3- hydroxyl
Base aspartic acid solution.100 gram of 30 to 70 mesh is crushed shaped activated carbon to be placed in vacuum impregnation tank, is evacuated down to -0.08MPa,
Above-mentioned solution is sucked, stirring, vacuum impregnation 1h are opened.After solution drainage, 120 DEG C are dried to water content lower than 5%.Foundation is removed
Formaldehyde materials method of evaluating performance tests formaldehyde CADR value and CCM value, and formaldehyde CADR value is 106.3m3/h, and formaldehyde CCM value is
8.5mg/g, test data are shown in Table one.
Comparative example 3:
Carrier selects specific surface area 500m2/g, diameter 0.5mm silica dioxide granule.
The proline for choosing not hydroxyl does performance comparison test, weighs 10 grams of proline, is dissolved in 100 grams of water, mixes
It stirs evenly, is configured to proline aqueous solution.100 grams of diameter 0.5mm silica dioxide granules are placed in vacuum impregnation tank, are taken out true
Sky arrives -0.08MPa, sucks proline aqueous solution, opens stirring, vacuum impregnation 3h.After solution drainage, 120 DEG C are dried to and contain
Water is lower than 5%.It is tested according to except formaldehyde materials method of evaluating performance, formaldehyde CADR value is 50.2m3/h, and formaldehyde CCM value is
4.8mg/g, test data are shown in Table one.
Embodiment 3:
Carrier selects specific surface area 500m2/g, diameter 0.5mm silica dioxide granule.
10 grams of hydroxy-proline for choosing hydroxyl, are dissolved in 100 grams of water, are mixed evenly, be configured to hydroxyl dried meat ammonia
Acid solution.100 grams of diameter 0.5mm silica dioxide granules are placed in vacuum impregnation tank, -0.08MPa is evacuated down to, are sucked above-mentioned
Solution opens stirring, vacuum impregnation 3h.After solution drainage, 120 DEG C are dried to water content lower than 5%.According to except formaldehyde materials
Method of evaluating performance tests formaldehyde CADR value and CCM value, and formaldehyde CADR value is 63.5m3/h, and formaldehyde CCM value is 6.2mg/g, surveys
Examination data are shown in Table one.
Table monoamino-acid removes formaldehyde materials performance comparison
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (8)
1. the preparation method that a kind of hydroxy-amino-acid removes purifying formaldehyde material, it is characterised in that include the following steps:
(1) select porous adsorbing material as carrier, the specific surface area of the porous adsorbing material is in 100-2000m2Between/g；
(2) hydroxyl amino aqueous acid is configured, is that 0.03:1~0.3:1 weighs hydroxyl ammonia by the weight ratio of hydroxy-amino-acid and water
Base acid is dissolved in after water stirring up to hydroxyl amino aqueous acid；
(3) porous carrier is placed in vacuum impregnation tank by vacuum impregnation, is vacuumized after sealing vacuum impregnation tank, using true
Suction enters the hydroxyl amino aqueous acid, control the volume ratio of sucked hydroxyl amino aqueous acid and carrier for 0.8:1~
1.2:1, after sufficiently mixing, vacuum impregnation 1~3 hour；
(4) dipping post-processes, and after the completion of dipping, impregnated hydroxyl amino aqueous acid is recycled and is filtered, by the load after dipping
Hydroxy-amino-acid is made except formaldehyde materials as being dried at 90 to 120 DEG C to moisture content lower than 5% in body.
2. preparation method according to claim 1, it is characterised in that:
The porous adsorbing material is selected from: active carbon, molecular sieve, silica gel, zeolite, kaolin, clay, titanium dioxide, titanium dioxide
It is one or more in silicon, aluminium oxide.
3. preparation method according to claim 1, it is characterised in that:
The hydroxy-amino-acid is selected from: serine, threonine, tyrosine, 5- hydroxylysine, hydroxy-proline, 3- hydroxyl asparagus fern
One or more of propylhomoserin and related derivatives.
4. according to the preparation method of Claims 2 or 3, it is characterised in that:
In the vacuum impregnation step, vacuum degree control is in -0.01MPa to -0.1MPa range.
5. preparation method according to claim 4, it is characterised in that:
The volume of the hydroxyl amino aqueous acid and carrier is preferably 0.9:1~1.1:1.
6. hydroxy-amino-acid prepared by a kind of any one of -5 preparation method according to claim 1 removes purifying formaldehyde material,
It is characterized in that:
The material use hydroxyl amino acid solution, after carrying out vacuum impregnation to carrier under vacuum conditions, after dry dipping
Carrier is made.
7. material according to claim 6, it is characterised in that:
The porous adsorbing material is selected from: active carbon, molecular sieve, silica gel, zeolite, kaolin, clay, titanium dioxide, titanium dioxide
It is one or more in silicon, aluminium oxide.
8. material according to claim 7, it is characterised in that:
The hydroxy-amino-acid is selected from: serine, threonine, tyrosine, 5- hydroxylysine, hydroxy-proline, 3- hydroxyl asparagus fern
One or more of propylhomoserin and related derivatives.
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Cited By (5)
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| CN110241991A (en) * | 2019-06-11 | 2019-09-17 | 杭州圣艾侬壁布有限公司 | One kind is except formaldehyde wall cloth and preparation method thereof |
| CN110479023A (en) * | 2019-08-23 | 2019-11-22 | 北京零微科技有限公司 | A kind of environmental purification material and preparation method thereof |
| CN113856625A (en) * | 2021-09-29 | 2021-12-31 | 佛山市顺德区阿波罗环保器材有限公司 | Composite carrier and preparation method and application thereof |
| CN113952831A (en) * | 2021-11-01 | 2022-01-21 | 邯郸派瑞电器有限公司 | Antibacterial formaldehyde purification material and preparation method thereof |
| CN114752315A (en) * | 2021-11-10 | 2022-07-15 | 兰舍硅藻新材料有限公司 | Wall cloth glue with formaldehyde purification function |
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| CN110479023B (en) * | 2019-08-23 | 2020-06-16 | 北京零微科技有限公司 | Environment-friendly purification material and preparation method thereof |
| CN113856625A (en) * | 2021-09-29 | 2021-12-31 | 佛山市顺德区阿波罗环保器材有限公司 | Composite carrier and preparation method and application thereof |
| CN113952831A (en) * | 2021-11-01 | 2022-01-21 | 邯郸派瑞电器有限公司 | Antibacterial formaldehyde purification material and preparation method thereof |
| CN114752315A (en) * | 2021-11-10 | 2022-07-15 | 兰舍硅藻新材料有限公司 | Wall cloth glue with formaldehyde purification function |
| CN114752315B (en) * | 2021-11-10 | 2023-06-20 | 兰舍硅藻新材料有限公司 | Wall cloth adhesive with formaldehyde purifying function |
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Application publication date: 20181225 |