CN108722105A - A kind of preparation method of composite formaldehyde scavenger - Google Patents

A kind of preparation method of composite formaldehyde scavenger Download PDF

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Publication number
CN108722105A
CN108722105A CN201810656736.2A CN201810656736A CN108722105A CN 108722105 A CN108722105 A CN 108722105A CN 201810656736 A CN201810656736 A CN 201810656736A CN 108722105 A CN108722105 A CN 108722105A
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China
Prior art keywords
compound
added
formaldehyde scavenger
titanium
composite
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CN201810656736.2A
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Chinese (zh)
Inventor
季红军
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Nanjing City Yuhuatai District Lubao Industrial Design Service Center
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Nanjing City Yuhuatai District Lubao Industrial Design Service Center
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Priority to CN201810656736.2A priority Critical patent/CN108722105A/en
Publication of CN108722105A publication Critical patent/CN108722105A/en
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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
    • 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
    • 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
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • 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

Abstract

The invention discloses a kind of preparation methods of composite formaldehyde scavenger, are characterized in that：First, polyethylene glycol and diatomite are added in a certain amount of ethyl alcohol, under stirring condition, butanol titanium, titanium tetrachloride and tungsten hexachloride is added, after stirring a period of time, suitable quantity of water is added, continue to stir, pH value is adjusted to neutrality using the sodium hydroxide solution of certain mass concentration, compound A is made；Secondly, compound A through filtering, drying, calcine, be cooled to room temperature, grind, compound B is made；Finally, in a certain amount of water, xanthans, surfactant sodium citrate and menthol is added, after stirring a period of time, compound B is added, agitated grinding a period of time, composite formaldehyde scavenger is made.The composite formaldehyde scavenger, using diatomite as adsorbent, titanium dioxide, tungstic acid are composite photo-catalyst, can effectively adsorb and remove formaldehyde by photocatalysis；The composite formaldehyde scavenger is green, safe and environment-friendly, can be widely applied to a variety of places.

Description

A kind of preparation method of composite formaldehyde scavenger
Technical field
The present invention relates to environmental technology field, especially a kind of preparation method of composite formaldehyde scavenger.
Background technology
Formaldehyde also known as formaldehyde are indoor one of the organic exhaust gas seriously polluted, have very high toxicity.If in formaldehyde Poison can cause the diseases such as ear nose larynx cancer, and in current finishing, many ornament materials can give out the pernicious gases such as formaldehyde, The health of the mankind is seriously endangered.
Currently, the method for removing formaldehyde is rich and varied, includes mainly physical method, chemical method, biochemical method, example Such as：Activated carbon adsorption, optically catalytic TiO 2 degradation, bio-enzyme degradation etc., wherein photochemical catalytic oxidation be it is a kind of particularly significant and Effective method.Titanium dioxide is a kind of photocatalytic semiconductor material haveing excellent performance, energy gap 3.1ev, to ultraviolet Line is sensitive, plays an important role in removing formaldehyde, such as：CN103613129A report a kind of Nano titanium dioxide colloidal sol and Preparation method and method except formaldehyde.Tungstic acid is a kind of good semi-conducting material of photocatalysis performance, energy gap It is sensitive to visible light for 2.7ev, such as CN103537294A reports a kind of tungstic acid composite titanium dioxide of degradation of formaldehyde Photochemical catalyst, it is mutually compound by P25 and ammonium tungstate, using nickel foam as base material.
Therefore, exploitation is with environmental protection, efficient, security performance composite formaldehyde scavenger, it has also become environmental technology field A kind of active demand.
Invention content
It is an object of the invention to：A kind of preparation method of composite formaldehyde scavenger is provided, in conjunction with physical method and chemistry Technology of preparing, rapid batch prepare answering for diatomite, titanium dioxide, tungstic acid, xanthans, sodium citrate, menthol and water Close formaldehyde scavenger.
Technical scheme of the present invention：First, polyethylene glycol and diatomite are added in a certain amount of ethyl alcohol, under stirring condition, Butanol titanium, titanium tetrachloride and tungsten hexachloride is added, after stirring a period of time, suitable quantity of water is added, continues to stir, using certain mass The sodium hydroxide solution of concentration adjusts pH to neutrality, compound A is made；Secondly, compound A is through filtering, drying, calcining, cooling To room temperature, grinding, compound B is made；Finally, in a certain amount of water, xanthans, surfactant sodium citrate and peppermint is added Alcohol after stirring a period of time, is added compound B, agitated grinding a period of time, composite formaldehyde scavenger is made.
In the technical solution, first, in ethanol system, polyethylene glycol and diatomite are evenly dispersed, polyethylene glycol As dispersant, diatomite is as carrier, and butanol titanium is as coupling agent, butanol titanium, titanium tetrachloride and tungsten hexachloride uniform dissolution In ethyl alcohol, reach the mixing of molecular level, then after addition of water, Titanium alkoxides, titanium tetrachloride and tungsten hexachloride hydrolyze, PH value is adjusted by liquid caustic soda, uniform deposition forms compound A in diatomite；Secondly, compound A through filtering, be heat-treated and grind Mill, has obtained the compound B of tripolite loading titanium dioxide and tungstic acid；Finally, by xanthans, sodium citrate, menthol And compound B compoundings, in water, xanthans as stabilizer and binder, sodium citrate as surfactant, make by menthol For osmo-regulators, sodium citrate, menthol and compound B and xanthans act on, and are dispersed in aqueous systems, are formed compound Formaldehyde scavenger.
Compared with prior art, the present invention having remarkable advantage：One, the composite formaldehyde scavenger are to inhale with diatomite Attached dose, titanium dioxide, tungstic acid are composite photo-catalyst, can effectively adsorb and remove formaldehyde by photocatalysis；The compound first Aldehyde scavenger is green, safe and environment-friendly, can be widely applied to a variety of places.
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 composite formaldehyde scavenger is prepared according to step in detail below.
Step 1, in 100mL ethyl alcohol, 1.17g polyethylene glycol PEG-400 and 19.5g diatomite is added, under stirring condition, 7.8g n-butyl titanium Ti (OC are added4H9)4, 19.5g titanium tetrachlorides TiCl4And 3.9g tungsten hexachlorides WCl6, 1.5h is stirred, is added 55g water continues to stir 5h, adjusts pH value to neutrality using the sodium hydroxide NaOH solution of mass concentration 30%, compound A is made；
Step 2, compound A are through filtering, 110oC dries 12h, 600oC calcinings 10h, it is cooled to room temperature, grinds 6h, being made compound Object B；
Step 3, in 1000mL water, 10g xanthans, 20g surfactants sodium citrate and 5g menthols is added, stirs 1h Afterwards, 50g compounds B, agitated grinding 8h is added, composite formaldehyde scavenger is made.
Embodiment 2：A kind of composite formaldehyde scavenger is prepared according to step in detail below.
Step 1, in 100mL ethyl alcohol, 3.12g PEG-4000 and 19.5g diatomite is added, under stirring condition, is added 15.6g titanium isobutoxide Ti (OC4H9)4、27.3g TiCl4And 7.8g WCl6, 3h is stirred, 75g water is added, continues to stir 7h, use The NaOH solution of mass concentration 30% adjusts pH value to neutrality, and compound A is made；
Step 2, compound A are through filtering, 150oC dries 8h, 800oC calcinings 6h, it is cooled to room temperature, grinds 8h, compound is made B；
Step 3, in 1000mL water, 25g xanthans, 40g surfactants sodium citrate and 10g menthols is added, stirs 2h Afterwards, 150g compounds B, agitated grinding 16h is added, composite formaldehyde scavenger is made.
Embodiment 3：A kind of composite formaldehyde scavenger is prepared according to step in detail below.
Step 1, in 100mL ethyl alcohol, 2g PEG-2000 and 19.5g diatomite is added, under stirring condition, it is different that 10g is added Butanol titanium Ti (OC4H9)4、25g TiCl4And 5g WCl6, 2h is stirred, 65g water is added, continues to stir 6h, using mass concentration 30% NaOH solution adjust pH value to neutrality, compound A is made；
Step 2, compound A are through filtering, 130oC dries 10h, 700oC calcinings 8h, it is cooled to room temperature, grinds 7h, compound is made B；
Step 3, in 1000mL water, 15g xanthans, 30g surfactants sodium citrate and 7.5g menthols, stirring is added After 1.5h, 100g compounds B, agitated grinding 12h is added, composite formaldehyde scavenger is made.

Claims (3)

1. a kind of preparation method of composite formaldehyde scavenger, it is characterized in that：
（1）, in a certain amount of ethyl alcohol, be added polyethylene glycol PEG and diatomite, under stirring condition, butanol titanium Ti be added (OC4H9)4, titanium tetrachloride TiCl4And tungsten hexachloride WCl6, 1.5h-3h is stirred, water is added, continues to stir 5h-7h, using quality The sodium hydroxide NaOH solution of concentration 30% adjusts pH value to neutrality, compound A is made, wherein PEG, diatomite, Ti (OC4H9)4、TiCl4And WCl6The mass ratio for accounting for ethyl alcohol is respectively 2%-4%, 25%, 10%-20%, 25%-35% and 5%-10%, water The volume ratio for accounting for ethyl alcohol is 55%-75%；
（2）, compound A through filtering, 110oC-150oC dries 8h-12h, 600oC-800oC calcinings 6h-10h, it is cooled to room temperature, grinds 6h-8h is ground, compound B is made；
（3）, in a certain amount of water, xanthans, surfactant sodium citrate and menthol is added, after stirring 1h-2h, is added multiple Object B, agitated grinding 8h-12 are closed, composite formaldehyde scavenger is made, wherein xanthans, sodium citrate, menthol and compound B The mass ratio for accounting for water is 1%-2.5%, 2%-4%, 0.5%-1% and 5%-15%.
2. a kind of preparation method of composite formaldehyde scavenger according to claim 1, it is characterised in that：The compound In A, butanol titanium Ti (OC4H9)4N-butyl titanium or titanium isobutoxide can be selected.
3. a kind of preparation method of composite formaldehyde scavenger according to claim 1, it is characterised in that：The compound In A, PEG molecular weight selects 400-4000.
CN201810656736.2A 2018-06-24 2018-06-24 A kind of preparation method of composite formaldehyde scavenger Withdrawn CN108722105A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109529608A (en) * 2018-12-19 2019-03-29 舒沐科技(武汉)有限公司 A kind of environment-friendly highly efficient photocatalyst formaldehyde scavenger with fragrance

Citations (7)

* Cited by examiner, † Cited by third party
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
CN103537294A (en) * 2013-09-01 2014-01-29 长沙理工大学 Tungsten trioxide-titanium dioxide composite photocatalyst for degrading formaldehyde
CN104297416A (en) * 2014-11-03 2015-01-21 北京联合大学 Cataluminescence sensitive material for formaldehyde, benzene and ammonia in air
CN104327608A (en) * 2014-10-16 2015-02-04 深圳市宜丽家生态建材有限公司 Diatomite coating with formaldehyde adsorbing and decomposing effects
CN107497294A (en) * 2017-10-06 2017-12-22 南京市雨花台区绿宝工业设计服务中心 A kind of preparation method of formaldehyde scavenger
CN107789961A (en) * 2017-11-16 2018-03-13 南京市雨花台区绿宝工业设计服务中心 A kind of preparation method for removing formaldehyde formulations
CN108003730A (en) * 2018-01-01 2018-05-08 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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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
CN103537294A (en) * 2013-09-01 2014-01-29 长沙理工大学 Tungsten trioxide-titanium dioxide composite photocatalyst for degrading formaldehyde
CN104327608A (en) * 2014-10-16 2015-02-04 深圳市宜丽家生态建材有限公司 Diatomite coating with formaldehyde adsorbing and decomposing effects
CN104297416A (en) * 2014-11-03 2015-01-21 北京联合大学 Cataluminescence sensitive material for formaldehyde, benzene and ammonia in air
CN107497294A (en) * 2017-10-06 2017-12-22 南京市雨花台区绿宝工业设计服务中心 A kind of preparation method of formaldehyde scavenger
CN107789961A (en) * 2017-11-16 2018-03-13 南京市雨花台区绿宝工业设计服务中心 A kind of preparation method for removing formaldehyde formulations
CN108003730A (en) * 2018-01-01 2018-05-08 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109529608A (en) * 2018-12-19 2019-03-29 舒沐科技(武汉)有限公司 A kind of environment-friendly highly efficient photocatalyst formaldehyde scavenger with fragrance

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