CN108722106A - A kind of preparation method of formaldehyde scavenger - Google Patents
A kind of preparation method of formaldehyde scavenger Download PDFInfo
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- CN108722106A CN108722106A CN201810656737.7A CN201810656737A CN108722106A CN 108722106 A CN108722106 A CN 108722106A CN 201810656737 A CN201810656737 A CN 201810656737A CN 108722106 A CN108722106 A CN 108722106A
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- formaldehyde scavenger
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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
- B01D2255/209—Other metals
- B01D2255/2096—Bismuth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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- General Chemical & Material Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Cosmetics (AREA)
Abstract
The invention discloses a kind of preparation methods of formaldehyde scavenger, are characterized in that：First, in a certain amount of concentrated hydrochloric acid, Titanium alkoxides are added, after stirring a period of time, bismuth chloride and titanium chloride is added, continues to stir, diatomite is added, stir and compound A is made；Secondly, sodium phosphate is dissolved in the sodium hydroxide solution of certain mass concentration, stirring is to being completely dissolved, obtained solution B；Then, under agitation, solution B is added drop-wise in solution A, pH value is adjusted to neutrality using the sodium hydroxide solution of certain mass concentration, polyethylene glycol is added, is stirred to react a period of time, it is transferred in hydrothermal reaction kettle, controlling reaction temperature, reacts and mixed solution C is made；Finally, formaldehyde scavenger is made through filter residue, oven drying is obtained by filtration in reaction solution C.For the formaldehyde scavenger using diatomite as adsorbent, titanium oxide-bismuth oxide, titanium oxide, titanium phosphate and bismuth phosphate are composite photo-catalyst, can effectively adsorb and remove formaldehyde by photocatalysis.
Description
Technical field
The present invention relates to environmental technology field, especially a kind of preparation method of formaldehyde scavenger.
Background technology
Formaldehyde also known as formaldehyde have special irritation, serious harm are generated to the health of human body, for example, to human body skin
The irritation of skin, mucous membrane.In daily life, in the environment that people handles formaldehyde, it is difficult that eye irritation, throat be will produce
By, a variety of malaise symptoms such as uncomfortable in chest.
Currently on the market remove formaldehyde products, remove the principle of formaldehyde, it is main to rely on physical absorption and chemisorption, cooperation
Photocatalysis preparation, biological enzyme etc. realize except formaldehyde materials, such as：CN104857846A reports a kind of tripolite loading formaldehyde
Scavenger, including the groups such as activated carbon supported Mn oxide, methanal trapping agent, tripolite loading titanium dioxide, nano-silver colloid, water
Part；CN107349760A reports a kind of formaldehyde scavenger, including extract solution from aloe, lignin, bleeding agent, activating agent, absorption
Agent and water.Most of formaldehyde scavenger exists in liquid form, in spraying process, may be supported on matrix, generates
New harm etc..Using solid formaldehyde scavenger, in certain space, good degradation of formaldehyde effect is generated, has been drawn
More and more research interests are played.
Therefore, one kind that exploitation green, environmental protection, efficient formaldehyde scavenger have become environmental technology field compels to be essential
It asks.
Invention content
It is an object of the invention to：A kind of preparation method of formaldehyde scavenger is provided, in conjunction with organic chemistry, inorganic chemistry and
Physico-chemical process, rapid batch prepare diatomite, titanium oxide-bismuth oxide, titanium oxide, titanium phosphate, bismuth phosphate and polyethylene glycol
Formaldehyde scavenger.
Technical scheme of the present invention：First, in a certain amount of concentrated hydrochloric acid HCl, Titanium alkoxides are added, after stirring a period of time,
Bismuth chloride BiCl is added3And titanium chloride TiCl4, continue to stir, diatomite be added, stir and compound A is made；Secondly, by sodium phosphate
Na3PO4It is dissolved in the sodium hydroxide NaOH solution of certain mass concentration, stirring is to being completely dissolved, obtained solution B；Then, exist
Under stirring condition, solution B is added drop-wise in solution A, pH value is adjusted to neutrality using the sodium hydroxide solution of certain mass concentration,
Polyethylene glycol is added, is stirred to react a period of time, is transferred in hydrothermal reaction kettle, controlling reaction temperature, it is molten to react obtained mixing
Liquid C；Finally, formaldehyde scavenger is made through filter residue, oven drying is obtained by filtration in reaction solution C.
In the technical solution, first, organic Titanium alkoxides under strongly acidic conditions, hydrolyze to form "-O-Ti-O- " chain type
Structure, with BiCl3And TiCl4It is compound, "-O-Ti-O-Bi-O- ", "-O-Ti-O-Ti-O- " composite chain type structure are formed, these are multiple
Object is closed to be dispersed in diatomite；Secondly, under alkaline condition, Na3PO4In PO4 3-With unreacted Ti4+And Bi3+, lead to
It crosses hydro-thermal reaction and forms Ti3(PO4)4And BiPO4, polyethylene glycol as dispersant, while have "-O-Ti-O-Bi-O- " and "-
The compound of O-Ti-O-Ti-O- " structures forms TiO through hydro-thermal reaction2-BiO3And TiO2；Finally, it is formed by Ti3(PO4)4、
BiPO4、TiO2-BiO3And TiO2, it is uniformly distributed in diatomite, formaldehyde scavenger is made.
Compared with prior art, the present invention having remarkable advantage：The formaldehyde scavenger is using diatomite as adsorbent, oxidation
Titanium-bismuth oxide, titanium oxide, titanium phosphate and bismuth phosphate are composite photo-catalyst, can effectively adsorb and remove formaldehyde by photocatalysis.
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 formaldehyde scavenger is prepared according to step in detail below.
Step 1, in the concentrated hydrochloric acid HCl that 1000mL mass concentrations are 37%, 1423.4g n-butyl titaniums Ti is added
(OC4H9)4, 3h is stirred, 66g bismuth chlorides BiCl is added3And 158.8g titanium chlorides TiCl4, continue to stir 2h, 236g diatoms be added
Soil stirs 3h, and compound A is made；
Step 2, by 80g sodium phosphates Na3PO4It is dissolved in the sodium hydroxide NaOH solution that 475g mass concentrations are 30%, stirring is extremely
It is completely dissolved, obtained solution B；
Step 3, under agitation, solution B is added drop-wise in solution A, uses mass concentration molten for 30% sodium hydroxide NaOH
Liquid adjusts pH value to neutrality, and 14.2g polyethylene glycol PEG-2000 are added, is stirred to react 6h, is transferred in hydrothermal reaction kettle, control
Temperature 180oC reacts 12h, and mixed solution C is made；
Step 4, mixed solution C are through being obtained by filtration filter residue, and 110oFor 24 hours, formaldehyde scavenger is made in C oven dryings.
Embodiment 2：A kind of formaldehyde scavenger is prepared according to step in detail below.
Step 1, in the dense HCl that 1000mL mass concentrations are 37%, 1423.4g titanium isobutoxide Ti (OC are added4H9)4, stir
3h is mixed, 132g BiCl are added3And 317.7g TiCl4, continue to stir 4h, 472g diatomite be added, stir 5h, compound is made
A；
Step 2, by 160g Na3PO4It is dissolved in the NaOH solution that 475g mass concentrations are 30%, stirring is made to being completely dissolved
Obtain solution B；
Step 3, under agitation, solution B is added drop-wise in solution A, and mass concentration is used to adjust pH for 30% NaOH solution
Value is added 42.7g PEG-8000, is stirred to react 10h, is transferred in hydrothermal reaction kettle to neutrality, controls temperature 240oC, reaction
Mixed solution C is made in 8h；
Step 4, mixed solution C are through being obtained by filtration filter residue, and 150oFormaldehyde scavenger is made in C oven drying 12h.
Embodiment 3：A kind of formaldehyde scavenger is prepared according to step in detail below.
Step 1, in the dense HCl that 1000mL mass concentrations are 37%, 1423.4g titanium isobutoxide Ti (OC are added4H9)4, stir
3h is mixed, 100g BiCl are added3And 250g TiCl4, continue to stir 3h, 350g diatomite be added, stir 4h, compound A is made；
Step 2, by 120g Na3PO4It is dissolved in the NaOH solution that 475g mass concentrations are 30%, stirring is made to being completely dissolved
Obtain solution B；
Step 3, under agitation, solution B is added drop-wise in solution A, and mass concentration is used to adjust pH for 30% NaOH solution
Value is added 30g PEG-6000, is stirred to react 8h, is transferred in hydrothermal reaction kettle to neutrality, controls temperature 200oC, reaction
Mixed solution C is made in 10h；
Step 4, mixed solution C are through being obtained by filtration filter residue, and 130oFormaldehyde scavenger is made in C oven drying 18h.
Claims (3)
1. a kind of preparation method of formaldehyde scavenger, it is characterized in that：
（1）, in the concentrated hydrochloric acid HCl that a certain amount of mass concentration is 37%, butanol titanium Ti (OC are added4H9)4, 3h is stirred, chlorine is added
Change bismuth BiCl3And titanium chloride TiCl4, continue to stir 2h-4h, diatomite be added, stir 3h-5h, compound A is made, wherein Ti
(OC4H9)4The molar ratio for accounting for HCl controls 35%, BiCl3And TiCl4Account for Ti (OC4H9)4Molar ratio control 5%-10% and 20%-
40%, diatomite accounts for the mass ratio control 20%-40% of HCl；
（2）, by sodium phosphate Na3PO4Be dissolved in the sodium hydroxide NaOH solution that mass concentration is 30%, stirring to being completely dissolved,
Obtained solution B, wherein Na3PO4Mass ratio the control 17%-34%, NaOH for accounting for NaOH solution account for the molar ratio control of HCl
30%；
（3）, under agitation, solution B is added drop-wise in solution A, use mass concentration for 30% NaOH solution adjust pH value
To neutrality, polyethylene glycol PEG is added, is stirred to react 6h-10h, is transferred in hydrothermal reaction kettle, controls temperature 180oC-240 oC,
8h-12h is reacted, mixed solution C is made, wherein PEG accounts for Ti (OC4H9)4Mass ratio be 1%-3%；
（4）, mixed solution C through being obtained by filtration filter residue, 110oC-150oFormaldehyde scavenger is made in C oven drying 12h-24h.
2. a kind of preparation method of formaldehyde scavenger according to claim 1, it is characterised in that：In the solution A, fourth
N-butyl titanium or titanium isobutoxide can be selected in alcohol titanium.
3. a kind of preparation method of formaldehyde scavenger according to claim 1, it is characterised in that：In the solution C,
2000-6000 can be selected in PEG molecular weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810656737.7A CN108722106A (en) | 2018-06-24 | 2018-06-24 | A kind of preparation method of formaldehyde scavenger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810656737.7A CN108722106A (en) | 2018-06-24 | 2018-06-24 | A kind of preparation method of formaldehyde scavenger |
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| CN108722106A true CN108722106A (en) | 2018-11-02 |
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| CN201810656737.7A Withdrawn CN108722106A (en) | 2018-06-24 | 2018-06-24 | A kind of preparation method of formaldehyde scavenger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113396927A (en) * | 2021-06-03 | 2021-09-17 | 上海蓝宇水处理股份有限公司 | Easily degradable disinfectant and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012043904A1 (en) * | 2010-09-29 | 2012-04-05 | 한국전력공사 | Hybrid particle for fluidized bed sorption-enhanced water gas shift reaction process and method for preparing same |
| CN102658087A (en) * | 2012-05-11 | 2012-09-12 | 王志勇 | Method for preparing formaldehyde scavenging agent |
| CN106904934A (en) * | 2017-04-04 | 2017-06-30 | 南京市雨花台区绿宝工业设计服务中心 | A kind of preparation method for building composite coating |
| CN107721415A (en) * | 2017-11-23 | 2018-02-23 | 龚娟 | A kind of compound artificial tooth ceramic material and preparation method thereof |
-
2018
- 2018-06-24 CN CN201810656737.7A patent/CN108722106A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012043904A1 (en) * | 2010-09-29 | 2012-04-05 | 한국전력공사 | Hybrid particle for fluidized bed sorption-enhanced water gas shift reaction process and method for preparing same |
| CN102658087A (en) * | 2012-05-11 | 2012-09-12 | 王志勇 | Method for preparing formaldehyde scavenging agent |
| CN106904934A (en) * | 2017-04-04 | 2017-06-30 | 南京市雨花台区绿宝工业设计服务中心 | A kind of preparation method for building composite coating |
| CN107721415A (en) * | 2017-11-23 | 2018-02-23 | 龚娟 | A kind of compound artificial tooth ceramic material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113396927A (en) * | 2021-06-03 | 2021-09-17 | 上海蓝宇水处理股份有限公司 | Easily degradable disinfectant and preparation method thereof |
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Application publication date: 20181102 |