CN106139895B - A kind of preparation method for removing formaldehyde composite material - Google Patents
A kind of preparation method for removing formaldehyde composite material Download PDFInfo
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- CN106139895B CN106139895B CN201610667553.1A CN201610667553A CN106139895B CN 106139895 B CN106139895 B CN 106139895B CN 201610667553 A CN201610667553 A CN 201610667553A CN 106139895 B CN106139895 B CN 106139895B
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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
- B01D53/74—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
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20723—Vanadium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20792—Zinc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/70—Non-metallic catalysts, additives or dopants
- B01D2255/707—Additives or dopants
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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
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Abstract
The invention discloses a kind of preparation method for removing formaldehyde composite material, technical solution includes：First, vanadic anhydride is added in a certain amount of concentrated sulfuric acid, is stirred to react, organic titanate and zinc sulfate is slowly added dropwise, is vigorously stirred, obtains solution A；Secondly, in a certain amount of water, surfactant, sodium citrate and cyclodextrin, warming-in-water, stirring is added and obtains solution B；Then, solution B is poured into solution A, water-bath temperature control, after standing a period of time, obtains solution C；Again, by solution C cooled to room temperature, dropping liquid aqueous slkali adjusts solution ph to neutrality, obtains suspension D；Finally, in solution D, adsorbent and tea polyphenols is added, are ground through colloidal mill, be made uniform and remove formaldehyde composite material E.The removing formaldehyde composite material is compounded with titanium oxide, vanadium oxide, zinc oxide, surfactant, sodium citrate, cyclodextrin, adsorbent and tea polyphenols, can effectively remove formaldehyde.
Description
Technical field
The present invention relates to environmental technology fields, and in particular to a kind of preparation method for removing formaldehyde composite material.
Background technology
Formaldehyde, also known as formaldehyde are a kind of colourless gas having specific stimulation smell, have and seriously endanger, such as：Stimulate people
Skin, respiratory tract, mutagenicity, carcinogenesis etc., caused the mankind and widely paid close attention to.Seek environmentally protective formaldehydeless build
Building material becomes a kind of inexorable trend, however these natural materials are generally expensive, in most of finishings, ornament materials,
Usual more or less removing residue formaldehyde, how to effectively remove formaldehyde becomes current research hotspot.
Formaldehyde is removed, action principle generally includes five major class, i.e.,：Neutralization reaction, catalytic decomposition, redox, closing
It blocks.Titanium dioxide has been widely used in catalytic degradation formaldehyde as a kind of excellent photochemical catalyst.CN 103586041 A
Report a kind of photochemical catalyst of the vanadic anhydride composite titanium dioxide of degradation of formaldehyde；104607177 A of CN report visible
Light-catalysed formaldehyde purifying agent of light and preparation method thereof, the cleanser include mainly pucherite and titanium dioxide.
Therefore, a kind of green, environmentally friendly, efficient composite material for removing formaldehyde is found, it has also become environmental friendly material field
A kind of active demand.
Invention content
It is an object of the invention to：A kind of preparation method for removing formaldehyde composite material is provided, is modified in conjunction with organic chemistry
The synergistic function of technology and inorganic composite materials, rapid batch prepare composite titanium dioxide, vanadium oxide, zinc oxide, surface-active
Agent, sodium citrate, cyclodextrin, adsorbent and tea polyphenols removing formaldehyde composite material.
Technical scheme of the present invention：First, vanadic anhydride is added in a certain amount of concentrated sulfuric acid, when being stirred to react one section
Between, organic titanate and zinc sulfate is slowly added dropwise, is vigorously stirred a period of time, obtains solution A；Secondly, in a certain amount of water,
Surfactant is added（Neopelex, lauryl sodium sulfate or dodecyl sodium sulfate）, sodium citrate and
Cyclodextrin, warming-in-water, stirring, obtains solution B；Then, solution B is poured into solution A, water-bath temperature control, stands a period of time
Afterwards, solution C is obtained；Again, by solution C cooled to room temperature, dropping liquid aqueous slkali adjusts solution ph to neutrality, is hanged
Turbid D；Finally, in solution D, adsorbent is added（Diatomite or attapulgite）And tea polyphenols, grind one section through colloidal mill
Time is made uniform and removes formaldehyde composite material E.
Compared with prior art, the present invention having remarkable advantage：One, the removing formaldehyde composite material are compounded with oxidation
Titanium, vanadium oxide, zinc oxide, surfactant, sodium citrate, cyclodextrin, adsorbent and tea polyphenols can effectively remove formaldehyde；Its
Two, the filling convenience of removing formaldehyde composite material, is widely used, and can be used alone or is used in mixed way with coating etc..
Specific implementation mode
Illustrate technical solution of the invention with reference to specific embodiment, these embodiments should not be understood as to technology
The limitation of scheme.
Embodiment 1：A kind of removing formaldehyde composite material is prepared according to step in detail below.
Step 1,100mL mass concentrations be 90% the concentrated sulfuric acid in, be added 2.8g vanadic anhydrides, be stirred to react 1h, delay
It is slow that the positive butyl titanates of 146mL are added dropwise, while 12.0g Zinc vitriols are added, it is vigorously stirred 3h, obtains solution A；
Step 2, in 100mL water, be added 5.6g surfactant sodium dodecyl bases benzene sulfonic acid sodium salts, 2.8g sodium citrates and
2.1g cyclodextrin, warming-in-water to 65oC stirs 2h, obtains solution B；
Step 3 pours into solution B in solution A, water-bath temperature control 65oC, mixing stand 48h, obtain solution C；
Step 4, by solution C cooled to room temperature, the liquid caustic soda solution that mass concentration is 30% is added dropwise, adjusts solution ph
To neutrality, suspension D is obtained；
Step 5, in solution D, 28.2g diatomite adsorbants and 2.8g tea polyphenols are added, 10h is ground through colloidal mill,
It is made uniform and removes formaldehyde composite material E.
Embodiment 2：A kind of removing formaldehyde composite material is prepared according to step in detail below.
Step 1,100mL mass concentrations be 90% the concentrated sulfuric acid in, be added 0.9g vanadic anhydrides, be stirred to react 0.5h,
The different butyl titanates of 146mL are slowly added dropwise, while 6.0g Zinc vitriols are added, is vigorously stirred 2h, obtains solution A；
Step 2, in 100mL water, be added 2.8g Surfactant SDSs, 1.4g sodium citrates and
0.7g cyclodextrin, warming-in-water to 80oC stirs 1h, obtains solution B；
Step 3 pours into solution B in solution A, water-bath temperature control 80oC, mixing are stood for 24 hours, obtain solution C；
Step 4, by solution C cooled to room temperature, the liquid caustic soda solution that mass concentration is 30% is added dropwise, adjusts solution ph
To neutrality, suspension D is obtained；
Step 5, in solution D, 14.1g attapulgites and 1.4g tea polyphenols are added, 8h is ground through colloidal mill, are made equal
Even removing formaldehyde composite material E.
Embodiment 3：A kind of removing formaldehyde composite material is prepared according to step in detail below.
Step 1,100mL mass concentrations be 90% the concentrated sulfuric acid in, be added 1.5g vanadic anhydrides, be stirred to react 0.5h,
The positive butyl titanates of 146mL are slowly added dropwise, while 8.0g Zinc vitriols are added, is vigorously stirred 1.5h, obtains solution A；
Step 2, in 100mL water, be added 4.0g surfactant sodium dodecyl bases sodium sulfonates, 2.0g sodium citrates and
1.5g cyclodextrin, warming-in-water to 70oC stirs 1.5h, obtains solution B；
Step 3 pours into solution B in solution A, water-bath temperature control 70oC, mixing stand 36h, obtain solution C；
Step 4, by solution C cooled to room temperature, the liquid caustic soda solution that mass concentration is 30% is added dropwise, adjusts solution ph
To neutrality, suspension D is obtained；
Step 5, in solution D, 20.0g diatomite and 2.0g tea polyphenols are added, 9h is ground through colloidal mill, are made uniform
Removing formaldehyde composite material E.
Claims (4)
1. a kind of preparation method for removing formaldehyde composite material, comprises the steps of：
The first step, a certain amount of mass concentration be 90% the concentrated sulfuric acid in, be added vanadic anhydride, be stirred to react 0.5h-1h, delay
It is slow that butyl titanate is added dropwise, while Zinc vitriol is added, it is vigorously stirred 1.5h-3h, obtains solution A, wherein butyl titanate accounts for
It is respectively 10%-30% that the molar ratio control 25% of the concentrated sulfuric acid, vanadic anhydride and Zinc vitriol, which account for the molar ratio of butyl titanate,
And 20%-40%；
Second step, in a certain amount of water, be added a certain amount of surfactant, sodium citrate and cyclodextrin, warming-in-water control
65oC-80oC stirs 1h-2h, obtains solution B, wherein surfactant, sodium citrate and cyclodextrin account for the matter of butyl titanate
Amount is than being respectively 2%-4%, 1%-2% and 0.5%-1.5%；
Third step is poured into solution B in solution A, water-bath temperature control 65oC-80oC, mixing stand -48h for 24 hours, obtain solution C；
4th step, by solution C cooled to room temperature, the liquid caustic soda solution that mass concentration is 30% is added dropwise, adjusts solution ph into
Property, obtain suspension D；
5th step, in solution D, be added adsorbent and tea polyphenols, the mass ratio for accounting for butyl titanate be respectively 10%-20% and
1%-2% grinds 8h-10h through colloidal mill, is made uniform and removes formaldehyde composite material E.
2. a kind of preparation method for removing formaldehyde composite material according to claim 1, it is characterized in that：In solution A, metatitanic acid
Butyl ester selects positive butyl titanate or different butyl titanate.
3. a kind of preparation method for removing formaldehyde composite material according to claim 1, it is characterized in that：In solution B, surface
Activating agent selects neopelex, lauryl sodium sulfate or dodecyl sodium sulfate.
4. a kind of preparation method for removing formaldehyde composite material according to claim 1, it is characterized in that：It is added in solution D
Adsorbent select diatomite or attapulgite.
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| CN201610667553.1A CN106139895B (en) | 2016-08-15 | 2016-08-15 | A kind of preparation method for removing formaldehyde composite material |
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| CN201610667553.1A CN106139895B (en) | 2016-08-15 | 2016-08-15 | A kind of preparation method for removing formaldehyde composite material |
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| CN106139895B true CN106139895B (en) | 2018-09-04 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107008139A (en) * | 2017-05-19 | 2017-08-04 | 深圳市天得环境科技有限公司 | Air-deodouring agent |
| CN107441876A (en) * | 2017-10-06 | 2017-12-08 | 南京市雨花台区绿宝工业设计服务中心 | A kind of preparation method of air purifying preparation |
| CN107980772A (en) * | 2017-11-07 | 2018-05-04 | 常州布奇纺织有限公司 | A kind of preparation method of bacteriostatic and odour removing permanent seal cooling eliminating smell agent |
| CN108854963A (en) * | 2018-07-10 | 2018-11-23 | 周常 | A kind of active carbon and preparation method thereof for formaldehyde adsorption |
| CN115301068A (en) * | 2021-05-07 | 2022-11-08 | 上海劲果环保科技有限公司 | Formaldehyde scavenging agent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5698108A (en) * | 1996-11-13 | 1997-12-16 | Vinings Industries, Inc. | Formaldehyde-reduction composition and methods of use therefor |
| CN101279238A (en) * | 2008-04-23 | 2008-10-08 | 刘永能 | Purificant for adsorbing formaldehyde and method of preparing the same |
| CN104607177A (en) * | 2014-12-26 | 2015-05-13 | 中国建筑材料科学研究总院 | Methanal purifying agent adopting visible light photocatalysis and preparation method of methanal purifying agent |
-
2016
- 2016-08-15 CN CN201610667553.1A patent/CN106139895B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5698108A (en) * | 1996-11-13 | 1997-12-16 | Vinings Industries, Inc. | Formaldehyde-reduction composition and methods of use therefor |
| CN101279238A (en) * | 2008-04-23 | 2008-10-08 | 刘永能 | Purificant for adsorbing formaldehyde and method of preparing the same |
| CN104607177A (en) * | 2014-12-26 | 2015-05-13 | 中国建筑材料科学研究总院 | Methanal purifying agent adopting visible light photocatalysis and preparation method of methanal purifying agent |
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Effective date of registration: 20180705 Address after: 510460 2, two Heng Road, Zhenhua North Road, Jianggao Town, Baiyun District, Guangzhou, Guangdong Applicant after: Guangzhou City Jieyi Household Chemical Products Co., Ltd. Address before: 210000 Jiangsu province Nanjing Yuhuatai District Xiao hang Lu 58 famous city family 2-505 Applicant before: Ji Hongjun |
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