CN106268620B - A kind of preparation method of load-type solid acid formaldehyde eliminating agent - Google Patents
A kind of preparation method of load-type solid acid formaldehyde eliminating agent Download PDFInfo
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- CN106268620B CN106268620B CN201610838676.7A CN201610838676A CN106268620B CN 106268620 B CN106268620 B CN 106268620B CN 201610838676 A CN201610838676 A CN 201610838676A CN 106268620 B CN106268620 B CN 106268620B
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
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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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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0222—Compounds of Mn, Re
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- B01J23/656—Manganese, technetium or rhenium
- B01J23/6562—Manganese
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Abstract
The invention discloses a kind of preparation methods of load-type solid acid formaldehyde eliminating agent.Preparation method comprises the following steps that certain density sulfuric acid solution A is loaded to ball-aluminium oxide by (1), and it is spare that novel carriers are obtained after drying；(2) certain density liquor potassic permanganate is loaded on novel carriers, by making its incomplete decomposing obtain the oxide of manganese under certain temperature；(3) certain density sulfuric acid solution B is loaded on the load oxide of brand-new; through drying, roasting; obtain load-type solid acid formaldehyde eliminating agent; the preparation method of the solid acid formaldehyde eliminating agent is modified by having loaded potassium permanganate; formaldehyde elimination amount greatly improves, and can be used as a kind of novel excellent formaldehyde eliminating agent in environmental protection.
Description
Technical field
The present invention relates to catalyst field technologies, are specifically to provide a kind of preparation side of load-type solid acid formaldehyde eliminating agent
Method.
Background technique
Formaldehyde is one of representative pollutant of room air pollution, is mainly derived from construction material, furniture, each indoors
Kind adhesive, coating and various synthesis fabrics.The acquisition time of indoor formaldehyde is 3~15 years.Shadow of the formaldehyde to human health
It rings to be mainly manifested in and makes human body allotriosmia, allergy, lung function, immunologic dysfunction etc..With strong rush cancer and cause
Cancer effect seriously can also cause cell nucleus gene mutation, DNA singly-bound commissure and DNA and protein commissure to human body stimulation and support
The reparation etc. of DNA damage processed.In view of the potential hazard of Formaldehyde Pollution of Indoor Air, various countries formulate indoor standard, the Chinese people one after another
Republic's national standard " sanitary standard of formaldehyde in indoor air " regulation: the maximum permissible concentration of formaldehyde is in indoor air
0.08mg·m-3.Active carbon adsorption is the most mature method of purifying indoor formaldehyde at present.Chinese patent ZL2010101085210
A kind of preparation method of formaldehyde adsorbent is disclosed, a kind of adsorbent is related to: preparing hydrogenperoxide steam generator and has been impregnated in graininess
On active carbon, the active carbon after dipping filtered, is dried, dried to get loose, the abundant expansion to a kind of appearance, aperture is into one
Step subdivision, structure height is flourishing, has the formaldehyde adsorbent of composite adsorption function than table, and preparation-obtained formaldehyde adsorbent is only
It is to be reprocessed by simple hydrogen peroxide, PARA FORMALDEHYDE PRILLS(91,95) adsorbance lifting capacity is limited, and effectively improving formaldehyde absorbing amount is ability
The technical issues of field technique personnel's urgent need to resolve.
Summary of the invention
There is missing for existing formaldehyde adsorbent technology in the present invention, it is solid that the purpose of the present invention is to provide a kind of support types
The preparation method of body acid formaldehyde eliminating agent, obtained adsorbent large amount of adsorption, eradicating efficacy are good.
To achieve the above object, the present invention adopts the following technical scheme: a kind of system of load-type solid acid formaldehyde eliminating agent
Preparation Method comprises the following steps that
1) certain density sulfuric acid solution A is loaded into granular pattern aluminium oxide, it is spare that novel carriers is obtained after drying.
2) certain density liquor potassic permanganate is loaded on novel carriers, by dividing it not exclusively
Solve the oxide of manganese.
3) certain density sulfuric acid solution B is loaded on the load oxide of brand-new, is arrived through drying, roasting negative
Load type formaldehyde eliminating agent.
As a preferred embodiment, the aluminium oxide is gama-alumina, and partial size is in 0.5mm < Φ < 5mm.
As a preferred embodiment, the sulfuric acid solution 0.01~0.5MoL/L of concentration, potassium permanganate concentration are 0.001
~0.02MoL/L.
As a preferred embodiment, the maturing temperature is 200 DEG C of -550 DEG C of
The present invention has obvious advantages and beneficial effects compared with the existing technology specifically:
1, sulfuric acid solution used in preparation method of the present invention can carry out aperture control and surface hydroxyl to alumina support
Base processing.
2, potassium permanganate incomplete decomposing obtains Series oxides in the present invention, with aluminium oxide surface hydroxyl and load sulfate radical
Effective catalytic center is formed, there is stronger oxidisability, redox reaction can occur with formaldehyde, by Formaldehyde decomposition at titanium dioxide
Carbon and water.
3, it is mostly physical absorption that the formaldehyde of conventional adsorbent, which is eliminated, and there are do not continue to formaldehyde adsorption after adsorption saturation and disappear
It removes, the mechanism that the present invention eliminates formaldehyde is physical absorption and chemisorption, and final formaldehyde is broken down into harmless carbon dioxide and water,
The promotion of its adsorbance is very big, and elimination ability greatly increases.
4. preparation process of the present invention is simple, raw material is inexpensive, easy to operate, and catalyst can be made with repeated calcination repeated reproducibility
With, therefore industrialization easy to spread and the marketization
Specific embodiment
Embodiment 1
A kind of preparation method of load-type solid acid formaldehyde eliminating agent, comprises the following steps that
1) compound concentration is 0.5MoL/L sulfuric acid solution A, the aluminium oxide spherical shape carrier impregnation 5min for being 5mm by Φ, filter,
110 degree are dried for standby；
2) liquor potassic permanganate for preparing 0.02MoL/L, alumina support will impregnate and be stirred continuously after drying
30min, filtering, drying, roasts certain time through certain temperature.
3) compound concentration be 0.05MoL/L sulfuric acid solution, by after roasting aluminium oxide and carrier impregnation in sulfuric acid solution,
It is stirred continuously, after 10min, filtering, drying.Obtain load-type solid acid formaldehyde eliminating agent.
Embodiment 2
A kind of preparation method of load-type solid acid formaldehyde eliminating agent, comprises the following steps that
1) compound concentration is 0.5MoL/L sulfuric acid solution A, the aluminium oxide spherical shape carrier impregnation 5min for being 2mm by Φ, filter,
110 degree are dried for standby；
2) liquor potassic permanganate for preparing 0.01MoL/L, alumina support will impregnate and be stirred continuously after drying
30min, filtering, drying, roasts certain time through certain temperature.
3) compound concentration be 0.02MoL/L sulfuric acid solution, by after roasting aluminium oxide and carrier impregnation in sulfuric acid solution,
It is stirred continuously, after 10min, filtering, drying.Obtain load-type solid acid formaldehyde eliminating agent.
Embodiment 3
A kind of preparation method of load-type solid acid formaldehyde eliminating agent, comprises the following steps that
1) compound concentration is 0.1MoL/L sulfuric acid solution A, the aluminium oxide spherical shape carrier impregnation 5min for being 5mm by Φ, filter,
110 degree are dried for standby；
2) liquor potassic permanganate for preparing 0.02MoL/L, alumina support will impregnate and be stirred continuously after drying
30min, filtering, drying, roasts certain time through certain temperature.
3) compound concentration be 0.02MoL/L sulfuric acid solution, by after roasting aluminium oxide and carrier impregnation in sulfuric acid solution,
It is stirred continuously, after 10min, filtering, drying.Obtain load-type solid acid formaldehyde eliminating agent.
Embodiment 4
A kind of preparation method of load-type solid acid formaldehyde eliminating agent, comprises the following steps that
1) compound concentration is 0.1MoL/L sulfuric acid solution A, the aluminium oxide spherical shape carrier impregnation 5min for being 2mm by Φ, filter,
110 degree are dried for standby；
2) liquor potassic permanganate for preparing 0.02MoL/L, alumina support will impregnate and be stirred continuously after drying
30min, filtering, drying, roasts certain time through certain temperature.
3) compound concentration be 0.05MoL/L sulfuric acid solution, by after roasting aluminium oxide and carrier impregnation in sulfuric acid solution,
It is stirred continuously, after 10min, filtering, drying.Obtain load-type solid acid formaldehyde eliminating agent.
Embodiment 5
A kind of preparation method of load-type solid acid formaldehyde eliminating agent, comprises the following steps that
1) compound concentration is 0.5MoL/L sulfuric acid solution A, the aluminium oxide spherical shape carrier impregnation 5min for being 5mm by Φ, filter,
110 degree are dried for standby；
2) liquor potassic permanganate for preparing 0.02MoL/L, alumina support will impregnate and be stirred continuously after drying
30min, filtering, drying, roasts certain time through certain temperature.
3) compound concentration be 0.05MoL/L sulfuric acid solution, by after roasting aluminium oxide and carrier impregnation in sulfuric acid solution,
It is stirred continuously, after 10min, filtering, drying.Obtain load-type solid acid formaldehyde eliminating agent.
Embodiment 6
A kind of preparation method of load-type solid acid formaldehyde eliminating agent, comprises the following steps that
1) compound concentration is 0.05MoL/L sulfuric acid solution A, the aluminium oxide spherical shape carrier impregnation 5min for being 5mm by Φ, mistake
Filter, 110 degree be dried for standby；
2) liquor potassic permanganate for preparing 0.005MoL/L, alumina support will impregnate and be stirred continuously after drying
30min, filtering, drying, roasts certain time through certain temperature.
3) compound concentration be 0.05MoL/L sulfuric acid solution, by after roasting aluminium oxide and carrier impregnation in sulfuric acid solution,
It is stirred continuously, after 10min, filtering, drying.Obtain load-type solid acid formaldehyde eliminating agent.
Embodiment 7
A kind of preparation method of load-type solid acid formaldehyde eliminating agent, comprises the following steps that
1) compound concentration is 0.1MoL/L sulfuric acid solution A, the aluminium oxide spherical shape carrier impregnation 5min for being 2mm by Φ, filter,
110 degree are dried for standby；
2) liquor potassic permanganate for preparing 0.001MoL/L, alumina support will impregnate and be stirred continuously after drying
30min, filtering, drying, roasts certain time through certain temperature.
3) compound concentration be 0.01MoL/L sulfuric acid solution, by after roasting aluminium oxide and carrier impregnation in sulfuric acid solution,
It is stirred continuously, after 10min, filtering, drying.Obtain load-type solid acid formaldehyde eliminating agent.
Formaldehyde eliminates weight testing method: the training for filling the formalin of 5mL10% being added in the instruction case of different experiments room
Support ware, closed storage 6 hours.Culture dish is taken out, is measured in closed instruction case with the multi-functional formaldehyde tester of GDYQ-201MA type
Content of formaldehyde, use drexel bottle to load a certain amount of formaldehyde eliminating agent as adsorbing front processor, detecting instrument after absorption respectively
The content of formaldehyde in cabinet, the elimination amount for obtaining different series formaldehyde eliminating agent are as shown in table 1:
The elimination amount of 1. load-type solid acid formaldehyde eliminating agent of table
It can be seen from Table 1 that the preparation method of load-type solid acid formaldehyde eliminating agent of the present invention passes through load
Potassium permanganate is modified, and formaldehyde elimination amount greatly improves.The solid acid catalyst can be used as a kind of novel in environmental protection
Excellent formaldehyde eliminating agent.
The above described is only a preferred embodiment of the present invention, being not intended to limit the scope of the present invention.
Therefore any trickle amendment, equivalent variations and modification made to the above embodiment according to the technical essence of the invention, still
Belong in the range of technical solution of the present invention.
Claims (9)
1. a kind of preparation method of load-type solid acid formaldehyde eliminating agent, it is characterised in that: described method includes following steps:
(1) sulfuric acid solution A is loaded on ball-aluminium oxide, carrier is obtained after drying；
(2) liquor potassic permanganate is loaded on the carrier, the oxide of manganese is obtained after incomplete decomposing；
(3) sulfuric acid solution B is loaded on the oxide of the manganese, load-type solid acid formaldehyde is obtained after drying, roasting
Remover.
2. a kind of preparation method of load-type solid acid formaldehyde eliminating agent according to claim 1, it is characterised in that: support type
Solid acid formaldehyde eliminating agent effective component includes sulfuric acid, the oxide of manganese, aluminium oxide.
3. a kind of preparation method of load-type solid acid formaldehyde eliminating agent according to claim 1, it is characterised in that: step
(1) in, the ball-type aluminium oxide is ball-type gama-alumina.
4. a kind of preparation method of load-type solid acid formaldehyde eliminating agent according to claim 1, it is characterised in that: step
(1) in, the partial size of the ball-type aluminium oxide is Φ, 0.5mm < Φ < 5mm.
5. a kind of preparation method of load-type solid acid formaldehyde eliminating agent according to claim 1, it is characterised in that: step
(1) in, the sulfuric acid solution A concentration is 0.05-0.5MoL/L.
6. a kind of preparation method of load-type solid acid formaldehyde eliminating agent according to claim 1, it is characterised in that: step
(2) in, the liquor potassic permanganate concentration is 0.001-0.02MoL/L.
7. a kind of preparation method of load-type solid acid formaldehyde eliminating agent according to claim 1, it is characterised in that: permanganic acid
Potassium is decomposed into Mn at a certain temperaturexOy, wherein the chemical valence of Mn is+2 to+7 valence states.
8. a kind of preparation method of load-type solid acid formaldehyde eliminating agent according to claim 1, it is characterised in that: step
(3) in, the maturing temperature is 200 DEG C -550 DEG C.
9. a kind of preparation method of load-type solid acid formaldehyde eliminating agent according to claim 1, it is characterised in that: step
(3) in, the sulfuric acid solution B concentration is 0.01-0.05MoL/L.
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| CN201610838676.7A CN106268620B (en) | 2016-09-21 | 2016-09-21 | A kind of preparation method of load-type solid acid formaldehyde eliminating agent |
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| CN201610838676.7A CN106268620B (en) | 2016-09-21 | 2016-09-21 | A kind of preparation method of load-type solid acid formaldehyde eliminating agent |
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| CN106268620B true CN106268620B (en) | 2019-01-25 |
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| CN107737524B (en) * | 2017-10-24 | 2021-06-04 | 上海纳米技术及应用国家工程研究中心有限公司 | Air purification module for removing formaldehyde in indoor air pollutants and preparation method and application thereof |
| CN112915756A (en) * | 2021-01-26 | 2021-06-08 | 无锡市三晓新材料有限公司 | Production process of novel formaldehyde removing material |
| CN115143580A (en) * | 2022-06-29 | 2022-10-04 | 深圳市中航大记环境技术有限公司 | Formaldehyde removal filter material, preparation method and air purifier |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101279237A (en) * | 2008-05-23 | 2008-10-08 | 张宏 | Purificant for adsorbing formaldehyde and method of preparing the same |
| CN102247746A (en) * | 2011-07-18 | 2011-11-23 | 哈尔滨工程大学 | Formaldehyde elimination agent and preparation method thereof |
| JP5337036B2 (en) * | 2007-09-07 | 2013-11-06 | Ｊｘ日鉱日石エネルギー株式会社 | Hydrocarbon oil desulfurization method |
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2016
- 2016-09-21 CN CN201610838676.7A patent/CN106268620B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5337036B2 (en) * | 2007-09-07 | 2013-11-06 | Ｊｘ日鉱日石エネルギー株式会社 | Hydrocarbon oil desulfurization method |
| CN101279237A (en) * | 2008-05-23 | 2008-10-08 | 张宏 | Purificant for adsorbing formaldehyde and method of preparing the same |
| CN102247746A (en) * | 2011-07-18 | 2011-11-23 | 哈尔滨工程大学 | Formaldehyde elimination agent and preparation method thereof |
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