CN109529525A - A kind of tea flavor formaldehyde adsorbent and its preparation method and application - Google Patents
A kind of tea flavor formaldehyde adsorbent and its preparation method and application Download PDFInfo
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- CN109529525A CN109529525A CN201811606469.4A CN201811606469A CN109529525A CN 109529525 A CN109529525 A CN 109529525A CN 201811606469 A CN201811606469 A CN 201811606469A CN 109529525 A CN109529525 A CN 109529525A
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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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
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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
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/25—Coated, impregnated or composite adsorbents
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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
- B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Environmental & Geological Engineering (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Tea And Coffee (AREA)
Abstract
The invention discloses a kind of tea flavor formaldehyde adsorbent and its preparation method and application, what a kind of tea flavor formaldehyde adsorbent was made of the raw material of following weight parts: 2-5 parts of tealeaves, 1-4 parts of melamine, 3-7 parts of urea, 2-5 parts of diethylenetriamine, 2-5 parts of triethanolamine, 2-10 parts of polyethylene polyamine polymer, 1-3 parts of polyethylene glycol and 0-6 parts of additive.The compound action that heretofore described tea flavor formaldehyde adsorbent can occur absorption, absorb with free state formaldehyde gas in air, while having the function of sterilization.Tea flavor formaldehyde adsorbent of the present invention, so that reaching reduces harmful gas concentration, keeps with fresh air, the purpose of the living environment of health can be provided for people to pernicious gas adsorption cleaning in air.
Description
Technical field
The invention belongs to air cleaning sorbent material technical fields, and in particular to a kind of tea flavor formaldehyde adsorbent and its
Preparation method and application.
Background technique
With the development of human society, requirement of the people to living environment air quality is higher and higher.Art work and family
Tool can give out the biggish pollutant of concentration, and pollutant accumulates for a long time in confined space, if long-term life is in this context, meeting
It constitutes a serious threat to human physical and mental health, and formaldehyde is that content is more in numerous pollutants, endangers biggish one kind.
The main harm of formaldehyde is shown as to mucocutaneous stimulation, when formaldehyde reaches a certain concentration indoors, people
Just there is sense of discomfort.Indoor formaldehyde concentration is greater than 0.08mg/m3When can cause to be envious, eye is itched, throat discomfort or pain, sound are neighed
The malaise symptoms such as mute, sneeze, uncomfortable in chest, asthma, dermatitis.Newly-decorated room content of formaldehyde is higher, is mainly luring for numerous diseases
Cause.
Summary of the invention
Based on background technique there are the problem of, the invention proposes a kind of tea flavor formaldehyde adsorbent and preparation method thereof and
Using.Harmful gas concentration can be effectively reduced in tea flavor formaldehyde adsorbent prepared by the present invention, purify air, guarantee air peace
Entirely, the living environment of health is provided for people.
To achieve the above object, the invention adopts the following technical scheme: a kind of tea flavor formaldehyde adsorbent, by following raw material
It is made by weight ratio, 2-5 parts of tealeaves, 1-4 parts of melamine, 3-7 parts of urea, 2-5 parts of diethylenetriamine, triethanolamine 2-
5 parts, 2-10 parts of polyethylene polyamine polymer, 1-3 parts of polyethylene glycol and 0-6 parts of additive.
A kind of above-mentioned tea flavor formaldehyde adsorbent, the tealeaves are green tea, black tea, jasmine tea and white tea therein one
Kind.
A kind of above-mentioned tea flavor formaldehyde adsorbent, additive are that dispersing agent and adhesion agent are one such or two kinds.
A kind of above-mentioned tea flavor formaldehyde adsorbent, the dispersing agent is cetyl trimethylammonium bromide, described
Adhesion agent is hydroxyethyl cellulose.
A kind of preparation method of above-mentioned tea flavor formaldehyde adsorbent, includes the following steps:
1) preparation of tea extract: taking 2-5 parts of tealeaves, is impregnated using 60 DEG C of -100 DEG C of warm water, keeps effective component abundant
It is precipitated, is filtered after being cooled to room temperature, obtain the tea containing tea extract；
Or taking 2-5 parts of tealeaves to place in water, not up to 60 DEG C -100 DEG C whens, boil tea with high heat, and simmer in water tea later
Keep tea temperature at 60 DEG C -100 DEG C, in case moisture excessive evaporation, is precipitated effective component sufficiently, mistake after being cooled to room temperature
Filter, obtains the tea containing tea extract；
2) by 2-10 parts of polyethylene polyamine polymer, 2-5 parts of diethylenetriamines, 2-5 parts of triethanolamines and 1-3 parts of poly- second two
Deionized water dilution is added in alcohol after mixing, and 3-7 parts of urea are added and 1-4 parts of melamines, uniform stirring obtain mixture, adjust
Volume of mixture is saved, making the volume of the tea containing tea extract is 1-3 times of volume of mixture；
3) mixture obtained by step 2) is added in the tea containing tea extract, uniform stirring, while is added 0-6 parts
Additive obtains target product.
A kind of preparation method of above-mentioned tea flavor formaldehyde adsorbent, warm water soaking time described in step 1) are 5-
50min；The time for being cooked by slow fire tea is 5-20min.
A kind of preparation method of above-mentioned tea flavor formaldehyde adsorbent, the middle volume that deionized water is added of step 2) is ethylene
Polyamines polymer, diethylenetriamine, 1-5 times of triethanolamine and polyethylene glycol total volume.
A kind of application of tea flavor formaldehyde adsorbent in adsorbed gas Pollutant Formaldehyde.
The beneficial effects of the present invention are:
1. the present invention be using melamine, urea as absorption carrier, then by absorption carrier and polyethylene polyamine polymer,
Diethylenetriamine, triethanolamine, triethanolamine and polyethylene glycol mixed liquor in the tea containing pure natural plantation tea extract
The formaldehyde adsorbent to be formed is sufficiently stirred in water.
2. tea flavor formaldehyde adsorbent of the present invention can purify pernicious gas formaldehyde absorbing in air, to reduce nocuousness
Gas concentration keeps with fresh air.
3. the present invention is in a large amount of amido functional groups of absorption carrier Surface Creation and a small amount of hydroxy functional group, amido functional group energy
Aminating reaction occurs with formaldehyde gas, hydroxyl can reinforce the wettability power of adsorbent surface, and it is thin to form matter in adsorbent surface
Moisture film accelerates reaction speed, improves purifying formaldehyde efficiency to promote formaldehyde in the absorption and enrichment of adsorbent surface.
4. there is the present invention tea perfume of tealeaves can eliminate the smell of aminoderivative, while have the function of sterilization.
Detailed description of the invention
Fig. 1 is embodiment 1, the adsorption effect figure of embodiment 2 and comparative example.
Specific embodiment
1 method of making tea of embodiment prepares tea flavor formaldehyde adsorbent
(1) preparation method
1) 3 parts of green tea are chosen, 15min is impregnated with 85 DEG C of warm water, effective component is precipitated sufficiently, mistake after being cooled to room temperature
Filter obtains the tea containing tea extract；
2) after 7 parts of polyethylene polyamine polymer, 3 parts of diethylenetriamines, 3 parts of triethanolamines and 1 part of polyethylene glycol being mixed
3 times of total volume of deionized water dilution is added, 5 parts of urea and 2 parts of melamines are added, uniform stirring obtains mixture, adjusts mixed
The volume for closing object, makes the volume of the tea containing tea extract: volume=1:1 of mixture；
3) mixture obtained by step 2) is added in the resulting tea containing tea extract of step 1), is mixed,
1 part of cetyl trimethylammonium bromide is added simultaneously and 1 part of hydroxyethyl cellulose obtains tea flavor formaldehyde adsorbent.
(2) it detects
Adsorbent is spin-coated on inside the experimental provision of semi-hermetic, after drying and to form dense film, in the experiment of semi-hermetic
The formalin that 100 μ l concentration are 37.0-40.0% is injected in device.Formaldehyde gas concentration in timing test experience device,
The broken line point diagram that A is illustrated in Fig. 1 is the concentration variation of the formaldehyde gas in experimental provision.
Embodiment 2 boils tea method and prepares tea flavor formaldehyde adsorbent
(1) preparation method
1) 3 parts of green tea are chosen, tealeaves is placed in water, not up to 85 DEG C whens boil tea with high heat.When reaching 85 DEG C, with text
Fire maintains 85 DEG C and keeps 5min, and effective component is precipitated sufficiently, filters after being cooled to room temperature, and obtains the tea containing tea extract
Water；
2) after 7 parts of polyethylene polyamine polymer, 3 parts of diethylenetriamines, 3 parts of triethanolamines and 1 part of polyethylene glycol being mixed
4 times of total volume of deionized water dilution is added, 5 parts of urea and 2 parts of melamines are added, uniform stirring obtains mixture, adjusts mixed
The volume for closing object, makes the volume of the tea containing tea extract: volume=1:1 of mixture；
3) mixture obtained by step 2) is added in the resulting tea containing tea extract of step 1), is mixed,
1 part of cetyl trimethylammonium bromide is added simultaneously and 1 part of hydroxyethyl cellulose obtains tea flavor formaldehyde adsorbent.
(2) it detects
Adsorbent is spin-coated on inside the experimental provision of semi-hermetic, after drying and to form dense film, in the experiment of semi-hermetic
The formalin that 100 μ l concentration are 37.0-40.0% is injected in device.Formaldehyde gas concentration in timing test experience device,
The broken line point diagram that B is illustrated in Fig. 1 is the concentration variation of the formaldehyde gas in experimental provision.
Comparative example
The formalin that 100 μ l concentration are 37.0-40.0% is injected in the experimental provision of semi-hermetic.Timing detects real
Formaldehyde gas concentration in experiment device, the broken line point diagram that C is illustrated in Fig. 1 is the concentration variation of the formaldehyde gas in experimental provision.
From figure 1 it appears that tea flavor formaldehyde adsorbent prepared by embodiment 1 and embodiment 2 can be adsorbed effectively
Formaldehyde, at the 20th hour, concentration of formaldehyde dropped to 400ppb or less in experimental provision.The suction of tea flavor formaldehyde is not added for experimental provision
At attached dose, at the 20th hour, the formaldehyde inside experimental provision was also declined slightly, concentration 1500ppb.It can be with from above data
Find out, tea flavor formaldehyde adsorbent prepared by the present invention being capable of effective formaldehyde adsorption.
Claims (8)
1. a kind of tea flavor formaldehyde adsorbent, which is characterized in that be made by weight ratio of following raw material, 2-5 parts of tealeaves, three
1-4 parts of poly cyanamid, 2-5 parts of diethylenetriamine, 2-5 parts of triethanolamine, 2-10 parts of polyethylene polyamine polymer, gathers 3-7 parts of urea
1-3 parts and additive 0-6 parts of ethylene glycol.
2. a kind of tea flavor formaldehyde adsorbent according to claim 1, which is characterized in that the tealeaves is green tea, red
Tea, jasmine tea and white tea are one such.
3. a kind of tea flavor formaldehyde adsorbent according to claim 1, which is characterized in that additive is dispersing agent, sticky
Agent is one such or two kinds.
4. a kind of tea flavor formaldehyde adsorbent according to claim 3, which is characterized in that the dispersing agent is hexadecane
Base trimethylammonium bromide, adhesion agent are hydroxyethyl cellulose.
5. a kind of a kind of described in any item preparation methods of tea flavor formaldehyde adsorbent of claim 1-4, which is characterized in that packet
Include following steps:
1) preparation of tea extract: taking 2-5 parts of tealeaves, is impregnated using 60 DEG C of -100 DEG C of warm water, effective component is precipitated sufficiently,
It is filtered after being cooled to room temperature, obtains the tea containing tea extract；
Or taking 2-5 parts of tealeaves to place in water, not up to 60 DEG C -100 DEG C whens, boil tea with high heat, and the tea that simmers in water later is kept
Tea temperature is at 60 DEG C -100 DEG C, in order to avoid moisture excessive evaporation, is precipitated effective component sufficiently, filters, obtains after being cooled to room temperature
Tea containing tea extract；
2) 2-10 parts of polyethylene polyamine polymer, 2-5 parts of diethylenetriamines, 2-5 parts of triethanolamines and 1-3 parts of polyethylene glycol are mixed
Deionized water dilution is added after closing uniformly, 3-7 parts of urea are added and 1-4 parts of melamines, uniform stirring obtain mixture, adjust
Volume of mixture, making the volume of the tea containing tea extract is 1-3 times of volume of mixture；
3) mixture obtained by step 2) is added in the tea containing tea extract, uniform stirring, while 0-6 parts of additions is added
Agent.
6. a kind of preparation method of tea flavor formaldehyde adsorbent according to claim 5, which is characterized in that institute in step 1)
The warm water soaking time stated is 5-50min；The time for being cooked by slow fire tea is 5-20min.
7. a kind of preparation method of tea flavor formaldehyde adsorbent according to claim 5, which is characterized in that add in step 2)
The volume for entering deionized water is 1-5 times of ethylene polyamine polymer, diethylenetriamine, triethanolamine and polyethylene glycol total volume.
8. a kind of application of tea flavor formaldehyde adsorbent in adsorbed gas Pollutant Formaldehyde.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606469.4A CN109529525A (en) | 2018-12-27 | 2018-12-27 | A kind of tea flavor formaldehyde adsorbent and its preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606469.4A CN109529525A (en) | 2018-12-27 | 2018-12-27 | A kind of tea flavor formaldehyde adsorbent and its preparation method and application |
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| CN109529525A true CN109529525A (en) | 2019-03-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471488A (en) * | 2022-02-23 | 2022-05-13 | 辽宁大学 | Preparation method and application of modified activated carbon with ultrahigh formaldehyde adsorption capacity |
| CN116672873A (en) * | 2023-07-15 | 2023-09-01 | 辛集市九元化工有限责任公司 | Efficient environment-friendly formaldehyde scavenger and preparation method thereof |
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| CN101468305A (en) * | 2007-12-29 | 2009-07-01 | 中国船舶重工集团公司第七一八研究所 | Methyl aldehyde adsorbing substance and preparation method thereof |
| CN105727494A (en) * | 2014-12-12 | 2016-07-06 | 上海美世环保科技有限公司 | Formaldehyde scavenging agent |
| CN106267677A (en) * | 2016-07-12 | 2017-01-04 | 广东欧帝尼节能科技有限公司 | A kind of deodouring agent for removing formaldehyde and preparation method thereof |
| CN107096512A (en) * | 2017-04-27 | 2017-08-29 | 舒尔环保科技（合肥）有限公司 | A kind of formaldehyde adsorbent and preparation method thereof |
| CN107812225A (en) * | 2017-11-30 | 2018-03-20 | 安徽扬子生物科技有限公司 | A kind of indoor air purification agent of pure plant extracts |
| CN108745293A (en) * | 2018-05-31 | 2018-11-06 | 安徽科浦环保科技有限公司 | A kind of high-performance formaldehyde adsorbent and preparation method thereof |
-
2018
- 2018-12-27 CN CN201811606469.4A patent/CN109529525A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1189920A (en) * | 1997-09-17 | 1999-04-06 | Nippon Synthetic Chem Ind Co Ltd:The | Aldehyde adsorbent, its application and use thereof |
| CN101468305A (en) * | 2007-12-29 | 2009-07-01 | 中国船舶重工集团公司第七一八研究所 | Methyl aldehyde adsorbing substance and preparation method thereof |
| CN105727494A (en) * | 2014-12-12 | 2016-07-06 | 上海美世环保科技有限公司 | Formaldehyde scavenging agent |
| CN106267677A (en) * | 2016-07-12 | 2017-01-04 | 广东欧帝尼节能科技有限公司 | A kind of deodouring agent for removing formaldehyde and preparation method thereof |
| CN107096512A (en) * | 2017-04-27 | 2017-08-29 | 舒尔环保科技（合肥）有限公司 | A kind of formaldehyde adsorbent and preparation method thereof |
| CN107812225A (en) * | 2017-11-30 | 2018-03-20 | 安徽扬子生物科技有限公司 | A kind of indoor air purification agent of pure plant extracts |
| CN108745293A (en) * | 2018-05-31 | 2018-11-06 | 安徽科浦环保科技有限公司 | A kind of high-performance formaldehyde adsorbent and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471488A (en) * | 2022-02-23 | 2022-05-13 | 辽宁大学 | Preparation method and application of modified activated carbon with ultrahigh formaldehyde adsorption capacity |
| CN116672873A (en) * | 2023-07-15 | 2023-09-01 | 辛集市九元化工有限责任公司 | Efficient environment-friendly formaldehyde scavenger and preparation method thereof |
| CN116672873B (en) * | 2023-07-15 | 2024-01-09 | 辛集市九元化工有限责任公司 | Efficient environment-friendly formaldehyde scavenger and preparation method thereof |
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Application publication date: 20190329 |