CN109289918A - The loaded catalyst and preparation method of elimination formaldehyde without precious metal - Google Patents
The loaded catalyst and preparation method of elimination formaldehyde without precious metal Download PDFInfo
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- CN109289918A CN109289918A CN201811242591.8A CN201811242591A CN109289918A CN 109289918 A CN109289918 A CN 109289918A CN 201811242591 A CN201811242591 A CN 201811242591A CN 109289918 A CN109289918 A CN 109289918A
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- ammonium
- carrier material
- compound
- active carbon
- inorganic ammonium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
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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
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
- B01J31/0244—Nitrogen containing compounds with nitrogen contained as ring member in aromatic compounds or moieties, e.g. pyridine
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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
- B01D2257/708—Volatile organic compounds V.O.C.'s
Abstract
The invention discloses a kind of loaded catalysts of elimination formaldehyde without precious metal, and selection active carbon is carrier material, using compound A and Inorganic Ammonium B as active constituent.Wherein, the load capacity of compound A and Inorganic Ammonium B are the 1% ~ 20% of carrier material weight；And there is certain adding proportion between compound A and Inorganic Ammonium B.Preparation method: weighing the active carbon of constant weight, using equivalent impregnation method, measures deionized water according to the water capacity of the active carbon；Weigh Compound A and Inorganic Ammonium B are added in measured deionized water, and stirring to being configured to maceration extract after completely dissolution；Configured maceration extract is uniformly poured on absorbent charcoal carrier, and is stirred continuously, after being sufficiently impregnated, mixture is packed into hermetic bag, is dried under certain temperature after standing 1 ~ 4h, drying temperature is 40 ~ 160 DEG C.Any noble metal component is not loaded during the preparation process, compared with the catalyst of tradition addition noble metal, preparation process is simple, low in cost.
Description
Technical field
The invention belongs to scavenging material preparation field, specially a kind of supported catalyst of elimination formaldehyde without precious metal
Agent and preparation method.
Background technique
With the development of social economy and the raising of Living consumption, got over by the health problem that room air pollution causes
More to attract people's attention.Formaldehyde is as a kind of indoor air pollutants for having strong carcinogenesis, since its source is wide, poison
Property is big, latent time is long, has become the new hot spot that the public attractes attention.
Currently, research is urged at present with adsorption technology, ozone technology, light there are many kinds of the methods of improvement Formaldehyde Pollution of Indoor Air
Based on change technology.Adsorption technology is mainly using the material of the high-specific surface areas such as active carbon, molecular sieve come formaldehyde adsorption, simply easily
Row, but selectivity is poor.Ozone technology has sterilization, deodorization, but low to the removal rate of organic pollutant, and ozone sheet
Body is harmful to human body and environment.Photocatalysis technology is to utilize nano-TiO2Carry out decomposing formaldehyde as photochemical catalyst, but it was used
Burst of ultraviolel light source is needed in journey, and method for preparing raw material is complicated, technical requirements are high.In addition it is to urge that there are also a kind of using noble metal
The efficient absorption catalyst for changing substrate synthesis, since noble metal is with high costs, popularization and application have very big limitation.
Summary of the invention
Present invention is generally directed to the high disadvantages of existing noble metal base efficient formaldehyde scavenging material preparation cost, and it is a kind of right to provide
Indoor low concentration reactivity is high, and preparation process is simple, the low-cost loaded catalyst for eliminating formaldehyde and its preparation side
Method, and the catalyst is free of any noble metal component.
The present invention is achieved by the following technical scheme:
A kind of loaded catalyst of elimination formaldehyde without precious metal, active carbon is carrier material, with compound A and Inorganic Ammonium
B is active constituent, wherein the load capacity of compound A is the 1% ~ 20% of carrier material weight；The load capacity of Inorganic Ammonium B is carrier
The 1% ~ 20% of material weight, and the adding proportion between compound A and Inorganic Ammonium B is 7 ~ 8:3 ~ 5.
Preferably, the compound A is 2- imidazolidinone, dicyandiamide or melamine, and the Inorganic Ammonium B is sulfuric acid
Ammonium, ammonium chloride or ammonium phosphate.
A kind of preparation method of the loaded catalyst of elimination formaldehyde without precious metal, includes the following steps:
(1), active carbon is weighed, using equivalent impregnation method, measures deionized water according to the water capacity of the active carbon；Weigh 2- imidazoles
Alkanone and ammonium sulfate are added in measured deionized water, stir to maceration extract is configured to after completely dissolution, wherein 2- imidazolidinone
Load capacity be carrier material weight 1% ~ 20%；The load capacity of ammonium sulfate is the 1% ~ 20% of carrier material weight；And 2- imidazoles
Alkanone and the adding proportion of ammonium sulfate are 7:3 or 8:5；
(2), configured maceration extract is uniformly poured on absorbent charcoal carrier, and be stirred continuously, after being sufficiently impregnated, by mixture
It is packed into hermetic bag, is dried after standing 1 ~ 4h, drying temperature is 40 DEG C ~ 160 DEG C, that is, prepares catalyst.
It is carrier material that the present invention, which selects active carbon, using compound A and Inorganic Ammonium B as active constituent, will be lived by dipping
Property component load on carrier material, then dry at a certain temperature and catalyst be made, which has preferable
Elimination effect, and can also adjust compound A and Inorganic Ammonium B adding proportion realize PARA FORMALDEHYDE PRILLS(91,95) elimination.It was preparing
Any noble metal component is not loaded in journey, compared with the catalyst of tradition addition noble metal, preparation process is simple, low in cost.
(1), specific surface area is larger, the absorbent charcoal carrier that pore structure is reasonably distributed；
(2), load active component be compound A and Inorganic Ammonium B, and it is unlimited with add other active components on this basis；
(3), the catalyst PARA FORMALDEHYDE PRILLS(91,95) reactivity with higher of specified activity component preparation is loaded on the carrier material.
The present invention has rational design, has the application of good market and promotional value.
Specific embodiment
Specific embodiments of the present invention are described in detail below.
It is carrier material that the present invention, which selects active carbon, using compound A and Inorganic Ammonium B as active constituent.Wherein, compound A
Load capacity be carrier material weight 1% ~ 20%；The load capacity of Inorganic Ammonium B is the 1% ~ 20% of carrier material weight；And compound
There is certain adding proportion between A and Inorganic Ammonium B.
Above-mentioned catalyst the preparation method is as follows: the active carbon of constant weight is weighed, using equivalent impregnation method, according to the work
Property charcoal water capacity measure deionized water；Weigh Compound A and Inorganic Ammonium B is added in measured deionized water, stirs to abundant
Maceration extract is configured to after dissolution；Configured maceration extract is uniformly poured on absorbent charcoal carrier, and is stirred continuously, wait be sufficiently impregnated
Afterwards, mixture is packed into hermetic bag, is dried under certain temperature after standing 1 ~ 4h, drying temperature is 40 DEG C ~ 160 DEG C.
The catalyst is using active carbon as carrier material, and carrier material is that specific surface area is larger, what pore structure was reasonably distributed
Porous adsorbent material, includes but are not limited to active carbon, and active carbon can choose other porous adsorbent materials as substitution.
Compound A is aminated compounds, includes but are not limited to 2- imidazolidinone, dicyandiamide, melamine etc., Inorganic Ammonium B include but
It is not limited only to ammonium sulfate, ammonium chloride, ammonium phosphate etc..
Specific embodiment is as follows:
Embodiment 1
100g coal quality (diameter 20mm) column-shaped active carbon is taken, the deionization of constant weight is measured according to the water capacity of the active carbon
Water, compound A choose 2- imidazolidinone, and Inorganic Ammonium B chooses ammonium sulfate, and wherein 2- imidazolidinone takes 8g, and ammonium sulfate takes 5g(i.e. 2-
Adding proportion between imidazolidinone and ammonium sulfate is 8:5) it is added in measured deionized water, stirring will match to abundant dissolution
The maceration extract set on the activated carbon, and is stirred continuously, to be impregnated abundant, is dried after placing 2h in 120 DEG C.
Embodiment 2
100g coal quality (diameter 20mm) column-shaped active carbon is taken, the deionization of constant weight is measured according to the water capacity of the active carbon
Water, aminated compounds A choose 2- imidazolidinone, and Inorganic Ammonium B chooses ammonium sulfate, and wherein 2- imidazolidinone takes 15g, and ammonium sulfate takes
Adding proportion between 6.43g(, that is, 2- imidazolidinone and ammonium sulfate is 7:3) it is added in measured deionized water, it stirs to abundant
Dissolution, on the activated carbon by configured maceration extract, and is stirred continuously, to be impregnated abundant, dries after placing 2h in 120 DEG C.
The eradicating efficacy of catalyst PARA FORMALDEHYDE PRILLS(91,95) prepared by the present invention see the table below 1:
The eradicating efficacy of 1 catalyst PARA FORMALDEHYDE PRILLS(91,95) of table
As seen from table, the catalyst PARA FORMALDEHYDE PRILLS(91,95) of preparation of the embodiment of the present invention has protection and eradicating efficacy well.
The loaded catalyst of the elimination formaldehyde without precious metal does not load any noble metal component during the preparation process,
It can be applied to environment, chemical field.
It should be pointed out that for the those skilled in the art of the art, without departing from the principle of the present invention,
Several improvement and application can also be made, these are improved and application is also considered as protection scope of the present invention.
Claims (3)
1. a kind of loaded catalyst of elimination formaldehyde without precious metal, it is characterised in that: active carbon is carrier material, to change
Conjunction object A and Inorganic Ammonium B is active constituent, wherein the load capacity of compound A is the 1% ~ 20% of carrier material weight；Inorganic Ammonium B's
Load capacity is the 1% ~ 20% of carrier material weight, and the adding proportion between compound A and Inorganic Ammonium B is 7 ~ 8:3 ~ 5.
2. the loaded catalyst of elimination formaldehyde without precious metal according to claim 1, it is characterised in that: describedization
Closing object A is that perhaps the melamine Inorganic Ammonium B is ammonium sulfate, ammonium chloride or ammonium phosphate for 2- imidazolidinone, dicyandiamide.
3. a kind of preparation method of the loaded catalyst of elimination formaldehyde without precious metal, it is characterised in that: including walking as follows
It is rapid:
(1), active carbon is weighed, using equivalent impregnation method, measures deionized water according to the water capacity of the active carbon；Weigh 2- imidazoles
Alkanone and ammonium sulfate are added in measured deionized water, stir to maceration extract is configured to after completely dissolution, wherein 2- imidazolidinone
Load capacity be carrier material weight 1% ~ 20%；The load capacity of ammonium sulfate is the 1% ~ 20% of carrier material weight；And 2- imidazoles
Alkanone and the adding proportion of ammonium sulfate are 7:3 or 8:5；
(2), configured maceration extract is uniformly poured on absorbent charcoal carrier, and be stirred continuously, after being sufficiently impregnated, by mixture
It is packed into hermetic bag, is dried after standing 1 ~ 4h, drying temperature is 40 DEG C ~ 160 DEG C, that is, prepares catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811242591.8A CN109289918A (en) | 2018-10-24 | 2018-10-24 | The loaded catalyst and preparation method of elimination formaldehyde without precious metal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811242591.8A CN109289918A (en) | 2018-10-24 | 2018-10-24 | The loaded catalyst and preparation method of elimination formaldehyde without precious metal |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513579A (en) * | 2003-08-13 | 2004-07-21 | 河北科技大学 | Adsorption absorption reaction type formaldehyde eliminating agent |
| CN104324692A (en) * | 2014-11-28 | 2015-02-04 | 安徽理工大学 | Preparation method of active carbon capable of removing formaldehyde |
| CN104475034A (en) * | 2014-11-26 | 2015-04-01 | 成都顺发消洗科技有限公司 | Household formaldehyde remover and preparation method thereof |
| WO2017139555A1 (en) * | 2016-02-12 | 2017-08-17 | Basf Corporation | Carbon dioxide sorbents for air quality control |
| CN107282003A (en) * | 2017-07-04 | 2017-10-24 | 北京林业大学 | A kind of preparation method of the efficient modified activated carbon for removing formaldehyde in air |
-
2018
- 2018-10-24 CN CN201811242591.8A patent/CN109289918A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513579A (en) * | 2003-08-13 | 2004-07-21 | 河北科技大学 | Adsorption absorption reaction type formaldehyde eliminating agent |
| CN104475034A (en) * | 2014-11-26 | 2015-04-01 | 成都顺发消洗科技有限公司 | Household formaldehyde remover and preparation method thereof |
| CN104324692A (en) * | 2014-11-28 | 2015-02-04 | 安徽理工大学 | Preparation method of active carbon capable of removing formaldehyde |
| WO2017139555A1 (en) * | 2016-02-12 | 2017-08-17 | Basf Corporation | Carbon dioxide sorbents for air quality control |
| CN107282003A (en) * | 2017-07-04 | 2017-10-24 | 北京林业大学 | A kind of preparation method of the efficient modified activated carbon for removing formaldehyde in air |
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