CN107497294A - A kind of preparation method of formaldehyde scavenger - Google Patents
A kind of preparation method of formaldehyde scavenger Download PDFInfo
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- CN107497294A CN107497294A CN201710926000.8A CN201710926000A CN107497294A CN 107497294 A CN107497294 A CN 107497294A CN 201710926000 A CN201710926000 A CN 201710926000A CN 107497294 A CN107497294 A CN 107497294A
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- formaldehyde scavenger
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- butyl titanate
- polysorbate
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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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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
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Abstract
The invention discloses a kind of preparation method of formaldehyde scavenger, its technical scheme includes：First, in finite concentration hydrochloric acid, under intense agitation, diatomite is added, organic titanate is added dropwise, after stirring a period of time, cerium chloride seven-hydrate, dispersant polyethylene glycol and cupric oxide is sequentially added, is stirred until homogeneous, obtains solution A；Secondly, saturated solution aqueous slkali is added dropwise into solution A, regulation solution ph is filtered to obtain filter residue B to neutrality, is transferred in baking oven and dries, after be transferred in Muffle furnace and calcine, obtain solid C；Again, in a certain amount of water, emulsifying agent polysorbate, binding agent polyvinyl alcohol and stabilizer xanthans is added, is stirred until homogeneous, added solid C, agitated grinding, uniform formaldehyde scavenger D is made.The formaldehyde scavenger is compounded with diatomite, nano titanium oxide, cerium oxide, cupric oxide, have the characteristics that it is green, using portable and be widely used.
Description
Technical field
The present invention relates to environmental technology field, and in particular to a kind of preparation method of formaldehyde scavenger.
Background technology
Formaldehyde, is a kind of colourless gas for having specific stimulation smell, and its harmfulness has caused the extensive pass of people
Note, such as：Stimulate the skin of people, respiratory tract, mutagenicity, carcinogenesis etc..Currently, in most of ornament materials, more or less
Meeting release formaldehyde, causes formaldehyde in air content overproof, produces harm to the health of human body, how to remove the formaldehyde of residual,
As the study hotspot of current field of Environment Protection.
Formaldehyde removing action principle is mainly comprising neutralization reaction, catalytic decomposition, redox and closing closure.Diatomite is
A kind of sorbing material with loose structure, in absorption except formaldehyde field has unique advantage, such as：CN104857846A is reported
A kind of tripolite loading formaldehyde scavenger；Inorganic, metal oxide titanium dioxide as a kind of excellent photochemical catalyst, by
Wide coverage is applied to formaldehyde degradation by photocatalytic oxidation process, such as：CN103613129A report a kind of Nano titanium dioxide colloidal sol and
Its preparation method and the method except formaldehyde；Rare-earth oxide also obtain major progress, example in catalytic degradation formaldehyde field
Such as cerium oxide, CN102284292 A report the formaldehyde in CeO 2 supporting type high-efficiency cold catalyst purification air.Therefore, such as
What, which is prepared, is removed the composite of formaldehyde, becomes a kind of inexorable trend.
Therefore, a kind of metal composite oxide formaldehyde scavenger efficiently, environmentally friendly is found, it has also become environmental technology field
A kind of active demand.
The content of the invention
It is an object of the invention to：A kind of preparation method of formaldehyde scavenger is provided, with reference to nano material and catalysis technique
Advantage, rapid batch prepares composite nano titanium dioxide, cupric oxide, cerium oxide, diatomite, emulsifying agent, binding agent and stably
The formaldehyde scavenger of agent.
Technical scheme：First, in finite concentration hydrochloric acid, under intense agitation, diatomite is added, is added dropwise
Organic titanate, after stirring a period of time, cerium chloride seven-hydrate, dispersant polyethylene glycol and cupric oxide are sequentially added, is stirred to equal
It is even, obtain solution A；Secondly, saturated solution aqueous slkali is added dropwise into solution A, regulation solution ph is filtered to obtain filter residue to neutrality
B, be transferred in baking oven and dry, after be transferred in Muffle furnace and calcine, obtain solid C；Again, in a certain amount of water, emulsification is added
Agent polysorbate, binding agent polyvinyl alcohol and stabilizer xanthans, are stirred until homogeneous, and add solid C, agitated grinding, are made
Uniform formaldehyde scavenger D.
The present invention compared with prior art, has remarkable advantage：One, the formaldehyde scavenger are compounded with diatomite, nanometer
Titanium dioxide, cerium oxide, cupric oxide, it can effectively adsorb and remove formaldehyde；Secondly, the formaldehyde scavenger it is green, using just
Take, can be widely applied to a variety of places and remove formaldehyde.
Embodiment
Illustrate the technical solution of the present invention with reference to specific embodiment, these embodiments are it is not intended that to technology
The limitation of scheme.
Embodiment 1：A kind of formaldehyde scavenger is prepared according to step in detail below.
Step 1,100mL mass concentrations be 37% concentrated hydrochloric acid HCl in, under intense agitation, add 11.8g diatoms
Soil, 73.2g tetrabutyl titanates are added dropwise, after stirring 1h, sequentially add 12g cerium chloride seven-hydrates CeCl2·7H2O, 2.2g dispersants gather
Ethylene glycol -2000 and 1.7g cupric oxide, are stirred until homogeneous, obtain solution A；
Step 2, the saturation liquid caustic soda NaOH solution that mass concentration is 30%, regulation solution ph to neutrality, warp are added dropwise into solution A
Filter residue B is filtrated to get, is transferred in baking oven, temperature control 110oC, 8h drying is placed, is subsequently transferred in Muffle furnace, temperature control 500oC,
6h is calcined, obtains solid C；
Step 3, in 200mL water, add 4g emulsifying agents polysorbate 40s, 3g binding agents polyvinyl alcohol and 2g stabilizer xanthan
Glue, 1h is to uniform for stirring, adds 16g solids C, agitated grinding 8h, and uniform formaldehyde scavenger D is made.
Embodiment 2：A kind of formaldehyde scavenger is prepared according to step in detail below.
Step 1,100mL mass concentrations be 37% concentrated hydrochloric acid HCl in, under intense agitation, add 11.8g diatoms
Soil, 73.2g iso-butyl titanates are added dropwise, after stirring 2h, sequentially add 20g cerium chloride seven-hydrates CeCl2·7H2O, 3.6g dispersants gather
Ethylene glycol -6000 and 2.6g cupric oxide, are stirred until homogeneous, obtain solution A；
Step 2, the saturation liquid caustic soda NaOH solution that mass concentration is 30%, regulation solution ph to neutrality, warp are added dropwise into solution A
Filter residue B is filtrated to get, is transferred in baking oven, temperature control 150oC, 4h drying is placed, is subsequently transferred in Muffle furnace, temperature control 650oC,
12h is calcined, obtains solid C；
Step 3, in 200mL water, add 8g emulsifying agents polyoxyethylene sorbitan monoleates, 5g binding agents polyvinyl alcohol and 4g stabilizer xanthan
Glue, 2h is to uniform for stirring, adds 30g solids C, agitated grinding 12h, and uniform formaldehyde scavenger D is made.
Embodiment 3：A kind of formaldehyde scavenger is prepared according to step in detail below.
Step 1,100mL mass concentrations be 37% concentrated hydrochloric acid HCl in, under intense agitation, add 11.8g diatoms
Soil, 73.2g butyl titanates are added dropwise, after stirring 1.5h, sequentially add 15g cerium chloride seven-hydrates CeCl2·7H2O, 2.8g dispersants gather
Ethylene glycol -4000 and 2.0g cupric oxide, are stirred until homogeneous, obtain solution A；
Step 2, the saturation liquid caustic soda NaOH solution that mass concentration is 30%, regulation solution ph to neutrality, warp are added dropwise into solution A
Filter residue B is filtrated to get, is transferred in baking oven, temperature control 130oC, 6h drying is placed, is subsequently transferred in Muffle furnace, temperature control 550oC,
10h is calcined, obtains solid C；
Step 3, in 200mL water, add 6g emulsifying agents polysorbate 60s, 4g binding agents polyvinyl alcohol and 3g stabilizer xanthan
Glue, 1.5h is to uniform for stirring, adds 24g solids C, agitated grinding 10h, and uniform formaldehyde scavenger D is made.
Claims (3)
1. a kind of preparation method of formaldehyde scavenger, is comprised the steps of：
The first step, a certain amount of mass concentration be 37% concentrated hydrochloric acid HCl in, under intense agitation, add diatomite, be added dropwise
Butyl titanate, after stirring 1h-2h, sequentially add cerium chloride seven-hydrate CeCl2·7H2O, dispersant polyethylene glycol and cupric oxide, stirring
To uniform, solution A is obtained, wherein, the mass ratio control that diatomite accounts for hydrochloric acid is 10%, and butyl titanate accounts for the mol ratio control of hydrochloric acid
It is made as 18%, CeCl2·7H2The mol ratio that O and cupric oxide account for butyl titanate is respectively 15%-25% and 10%-15%, and polyethylene glycol accounts for
Butyl titanate mass ratio is 3%-5%；
Second step, the saturation liquid caustic soda NaOH solution that mass concentration is 30%, regulation solution ph to neutrality, warp are added dropwise into solution A
Filter residue B is filtrated to get, is transferred in baking oven, temperature control 110oC-150oC, 4h-8h drying is placed, is subsequently transferred in Muffle furnace, is controlled
Temperature 500oC-650oC, 6h-10h is calcined, obtains solid C；
3rd step, in a certain amount of water, add emulsifying agent polysorbate, binding agent polyvinyl alcohol and stabilizer xanthans, stirring
1h-2h adds solid C, agitated grinding 8h-12h to uniform, and uniform formaldehyde scavenger D is made, wherein, it is polysorbate, poly-
The mass ratio that vinyl alcohol and xanthans account for water respectively is 2%-4%, 1.5%-2.5% and 1%-2%, and solid C accounts for the mass ratio of water
Control 8%-15%.
2. a kind of preparation method of formaldehyde scavenger according to claim 1, it is characterized in that：In solution A, butyl titanate can
Select tetrabutyl titanate or iso-butyl titanate, the optional 2000-6000 of dispersant molecular weight polyethylene glycol.
3. a kind of preparation method of formaldehyde scavenger according to claim 1, it is characterized in that：In solution D, polysorbate can
Select polysorbate 40-80.
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| CN201710926000.8A CN107497294A (en) | 2017-10-06 | 2017-10-06 | A kind of preparation method of formaldehyde scavenger |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144441A (en) * | 2017-12-30 | 2018-06-12 | 常州市阿曼特化工有限公司 | A kind of preparation method of fitting up deodouring agent |
| CN108722105A (en) * | 2018-06-24 | 2018-11-02 | 南京市雨花台区绿宝工业设计服务中心 | A kind of preparation method of composite formaldehyde scavenger |
| CN108786742A (en) * | 2018-06-27 | 2018-11-13 | 杨秋林 | A kind of rare earth compound air purification material and preparation method thereof |
| CN108976501A (en) * | 2018-07-22 | 2018-12-11 | 南京市雨花台区绿宝工业设计服务中心 | A kind of wallpaper material and preparation method thereof with air-cleaning function |
| CN109012166A (en) * | 2018-09-13 | 2018-12-18 | 龚娟 | A kind of preparation method of composite formaldehyde scavenger |
| CN109046015A (en) * | 2018-09-13 | 2018-12-21 | 龚娟 | A kind of preparation method of formaldehyde scavenger |
| CN112107998A (en) * | 2020-09-16 | 2020-12-22 | 重庆君浩环保科技有限公司 | Environment-friendly composite nano photocatalyst formaldehyde scavenger and preparation method thereof |
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| RU2356626C2 (en) * | 2007-08-06 | 2009-05-27 | Институт катализа им. Г.К. Борескова Сибирского отделения Российской академии наук (статус государственного учреждения) | Catalyst and method of obtaining methanoic acid |
| CN105983327A (en) * | 2016-07-21 | 2016-10-05 | 季红军 | Preparation method of formaldehyde scavenging agent |
| CN106474651A (en) * | 2016-10-09 | 2017-03-08 | 龚娟 | A kind of preparation method of formaldehyde scavenger |
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2017
- 2017-10-06 CN CN201710926000.8A patent/CN107497294A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2356626C2 (en) * | 2007-08-06 | 2009-05-27 | Институт катализа им. Г.К. Борескова Сибирского отделения Российской академии наук (статус государственного учреждения) | Catalyst and method of obtaining methanoic acid |
| CN105983327A (en) * | 2016-07-21 | 2016-10-05 | 季红军 | Preparation method of formaldehyde scavenging agent |
| CN106474651A (en) * | 2016-10-09 | 2017-03-08 | 龚娟 | A kind of preparation method of formaldehyde scavenger |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144441A (en) * | 2017-12-30 | 2018-06-12 | 常州市阿曼特化工有限公司 | A kind of preparation method of fitting up deodouring agent |
| CN108722105A (en) * | 2018-06-24 | 2018-11-02 | 南京市雨花台区绿宝工业设计服务中心 | A kind of preparation method of composite formaldehyde scavenger |
| CN108786742A (en) * | 2018-06-27 | 2018-11-13 | 杨秋林 | A kind of rare earth compound air purification material and preparation method thereof |
| CN108976501A (en) * | 2018-07-22 | 2018-12-11 | 南京市雨花台区绿宝工业设计服务中心 | A kind of wallpaper material and preparation method thereof with air-cleaning function |
| CN109012166A (en) * | 2018-09-13 | 2018-12-18 | 龚娟 | A kind of preparation method of composite formaldehyde scavenger |
| CN109046015A (en) * | 2018-09-13 | 2018-12-21 | 龚娟 | A kind of preparation method of formaldehyde scavenger |
| CN112107998A (en) * | 2020-09-16 | 2020-12-22 | 重庆君浩环保科技有限公司 | Environment-friendly composite nano photocatalyst formaldehyde scavenger and preparation method thereof |
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