CN109603895A - A kind of material for air purification - Google Patents
A kind of material for air purification Download PDFInfo
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- CN109603895A CN109603895A CN201811637798.5A CN201811637798A CN109603895A CN 109603895 A CN109603895 A CN 109603895A CN 201811637798 A CN201811637798 A CN 201811637798A CN 109603895 A CN109603895 A CN 109603895A
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- formaldehyde
- formaldehyde decomposition
- layer
- adsorption layer
- synthesis
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- 239000000463 material Substances 0.000 title claims abstract description 53
- 238000004887 air purification Methods 0.000 title claims abstract description 14
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 181
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 33
- 238000001179 sorption measurement Methods 0.000 claims abstract description 22
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 18
- 239000003463 adsorbent Substances 0.000 claims abstract description 17
- 239000002808 molecular sieve Substances 0.000 claims abstract description 15
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229930040373 Paraformaldehyde Natural products 0.000 claims abstract description 10
- 229920002866 paraformaldehyde Polymers 0.000 claims abstract description 10
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 19
- 239000001569 carbon dioxide Substances 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- -1 molecule Sieve Chemical compound 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 239000004480 active ingredient Substances 0.000 claims 1
- 230000002000 scavenging effect Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 49
- 238000003786 synthesis reaction Methods 0.000 description 49
- 239000007788 liquid Substances 0.000 description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 229910001868 water Inorganic materials 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 18
- 238000003756 stirring Methods 0.000 description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 17
- 229910052710 silicon Inorganic materials 0.000 description 17
- 239000010703 silicon Substances 0.000 description 17
- 239000002245 particle Substances 0.000 description 16
- DKNWSYNQZKUICI-UHFFFAOYSA-N amantadine Chemical compound C1C(C2)CC3CC2CC1(N)C3 DKNWSYNQZKUICI-UHFFFAOYSA-N 0.000 description 15
- 229960003805 amantadine Drugs 0.000 description 15
- 239000007789 gas Substances 0.000 description 15
- 238000001027 hydrothermal synthesis Methods 0.000 description 15
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 238000009210 therapy by ultrasound Methods 0.000 description 12
- 238000001035 drying Methods 0.000 description 11
- 239000011343 solid material Substances 0.000 description 11
- 229960004424 carbon dioxide Drugs 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 239000000377 silicon dioxide Substances 0.000 description 9
- 229910003609 H2PtCl4 Inorganic materials 0.000 description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 7
- 238000000498 ball milling Methods 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 238000013019 agitation Methods 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000000227 grinding Methods 0.000 description 6
- 239000005457 ice water Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000006184 cosolvent Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical group NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000011953 bioanalysis Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000002779 inactivation Effects 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000006385 ozonation reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000009938 salting Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 229960000935 dehydrated alcohol Drugs 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/03—Catalysts comprising molecular sieves not having base-exchange properties
- B01J29/0308—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41
- B01J29/0316—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41 containing iron group metals, noble metals or copper
- B01J29/0325—Noble metals
-
- 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
- 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
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/18—Synthetic zeolitic molecular sieves
- B01J20/186—Chemical treatments in view of modifying the properties of the sieve, e.g. increasing the stability or the activity, also decreasing the activity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Biomedical Technology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The present invention provides a kind of material for air purification, it is characterised in that the material includes the auxiliary adsorption layer of the Formaldehyde decomposition layer and downstream positioned at upstream；The Formaldehyde decomposition layer includes the Formaldehyde decomposition material that PARA FORMALDEHYDE PRILLS(91,95) is decomposed, and the auxiliary adsorption layer is for adsorbing other pollution gas in air；The Formaldehyde decomposition material is by DD3R molecular sieve and noble metal active at being grouped as.The present invention is selected by the adsorbent material of PARA FORMALDEHYDE PRILLS(91,95) sublevel layer, ensure that preferential PARA FORMALDEHYDE PRILLS(91,95) is catalytically decomposed in gas, and the adsorption layer in downstream is assisted to ensure that the aerial applicability of scavenging material.
Description
Technical field
This application involves the air cleanings that formaldehyde in a kind of material for air purification more particularly to a kind of pair of air-flow preferentially purifies
Material.
Background technique
The harmful substances such as formaldehyde, benzene,toluene,xylene can be released in newly-decorated house, these harmful substances are to people
Body harm is especially big, and Long Term Contact can cause to seriously affect to human health even can threat to life.Relative to other types dirt
Gas is contaminated down to 6 months deenergized periods, and the deenergized period of formaldehyde is longer, or is up to 3-15.So being passed through after house decoration
After the ventilation for spending some months dissipates taste, need preferentially preferentially to purify the formaldehyde in interior.Common formaldehyde pollutants are gone
Except method has physisorphtion (such as active carbon, molecular sieve), bioanalysis, Ozonation, plant degradation method and catalysis oxygen
Change method etc..Physical method is easy to be influenced by absorption aperture using porous material removal formaldehyde and absorbability is limited；Bioanalysis
Once although removal effect of formaldehyde is good but harm caused by microorganism leakage is bigger；Ozonation be easy to cause secondary
Pollution；Plant degradation method can be limited to a certain extent with degradation of formaldehyde but the absorbability of its PARA FORMALDEHYDE PRILLS(91,95), this method can
To remove formaldehyde as auxiliary；Catalytic oxidation is currently used removal formaldehyde the best way.
Catalyst used by common catalytic oxidation is frequently with molecular sieve (such as ZSM-5, HY, MCM-41, MCM-
48, NaY, SBA-15 etc.), the porous materials such as titanium oxide are as catalyst carrier.But discovery formaldehyde is urged in practical applications
Change is decomposed into water and carbon dioxide, and wherein water will lead to catalyst inactivation, carbon dioxide and can be adsorbed by porous material, cause to urge
The performance that formaldehyde is catalytically decomposed in agent is lower and lower.Moreover, preparation catalyst material experimental determination effect with actually answer
It is larger with middle difference on effect, this is because effect measuring is carried out frequently with single formaldehyde gas in laboratory, and practical application
Gas in other than formaldehyde also containing a plurality of types of gas types such as benzene,toluene,xylene, acetone, water, exist with formaldehyde
Competitive Adsorption is generated in catalytic process, causes last purifying formaldehyde effect and efficacy in laboratory difference huge.
Summary of the invention
For this purpose, the present invention devises a kind of material for air purification for the formaldehyde in polluted gas, the material includes position
In the Formaldehyde decomposition layer of upstream and the auxiliary adsorption layer in downstream；The Formaldehyde decomposition layer includes the formaldehyde that PARA FORMALDEHYDE PRILLS(91,95) is decomposed
Decomposing material, the auxiliary adsorption layer are for adsorbing other pollution gas in air；The Formaldehyde decomposition material
For by DD3R molecular sieve and noble metal active at being grouped as.
Preferably, the noble metal is one of Pt, Pd, Au and Ag or a variety of.
Preferably, the auxiliary adsorption layer, which is selected from active carbon, zeolite, molecular sieve, silica gel etc., has large specific surface area
Adsorbent.
Preferably, the Formaldehyde decomposition layer further includes for two caused by the CO2 and/or Formaldehyde decomposition in air-flow
The carbon dioxide adsorbent that carbonoxide is adsorbed.
Preferably, the carbon dioxide adsorbent is by being made of amino functional porous material.
Preferably, the spacing between the Formaldehyde decomposition layer and auxiliary adsorption layer is not less than 10cm.
It preferably, is separable between Formaldehyde decomposition layer and auxiliary adsorption layer.
For carbon dioxide adsorbent, it is preferred that the porous material is compound more with micropore/meso-hole structure
Porous materials.Particularly preferred, the composite porous material is HZSM-5/MCM-41.
Preferably, the mass ratio of carbon dioxide adsorbent and amino functional porous material is 1:0.5-4.
Preferably, preparing amine modifying agent used by the amino functional porous material is bulky amine, alkylamine, ammonia
One of based polyalcohol and organosilan are a variety of.Particularly preferred, described amine type machine is tetren.
Preferably, the Formaldehyde decomposition material, is made of DD3R molecular sieve and noble metal active component, with catalyst
Type 100% calculate, the mass fraction of molecular sieve is 90-95%, and the mass fraction of noble metal active component is 5-10%；It is described
The preparation method of purifying formaldehyde material the following steps are included:
(1) water, amantadine and cosolvent are mixed, handling through high frequency ultrasound is completely dissolved amantadine, and stirs in ice bath
The salting liquid of silicon source and noble metal is added dropwise under the conditions of mixing, then is aged to form amantadine through high-temperature stirring: silicon source: noble metal source:
Cosolvent: water molar ratio is the Synthesis liquid of 30-50:100:5-20:100-500:5000-50000；
(2) crystal seed well prepared in advance is added in Synthesis liquid according to the mass ratio that mass ratio is 0.2-2%, and by Synthesis liquid
It is placed in microwave reaction kettle, and stirs hydrothermal synthesis 48-72h under microwave condition, synthesis temperature is 150-180 DEG C；
(3) after hydrothermal synthesis, the Synthesis liquid in microwave reaction kettle is poured into container for evaporation and is evaporated moisture in Synthesis liquid
And solid material is dried；
(4) solid material of drying roasts 3-4h under ozone environment to prepare required purifying formaldehyde material.It should be somebody's turn to do
In method, the maturing temperature is 300-400 DEG C.The noble metal is one of Pt, Pd, Au and Ag or a variety of.Institute
The cosolvent stated is ethylenediamine.The crystal seed is one of sigma-1, DD3R and ZSM-58.It preferably, will before roasting
The solid material of drying is ground.The frequency of the high frequency ultrasound is 20-25kHz, power 500-1800w.Described
Crystal seed is the sieve particle of non-removed template method.
Preferably, carbon dioxide adsorbent is prepared by infusion process.
Advantages of the present invention
1. avoiding the water of Formaldehyde decomposition generation firstly, Formaldehyde decomposition layer of the present invention uses silica zeolite as adsorbent material
And the hydrone in air absorbs a possibility that reducing catalyst inactivation by molecular sieve.Due to the molecule of DDR configuration
The kinetic diameter that channel diameter is greater than formaldehyde is sieved, and is less than the dynamics of the pollution gas such as benzene,toluene,xylene, acetone
Between, therefore can enter in the duct DD3R to avoid other pollution gas and be adsorbed, it ensure that adsorbent material PARA FORMALDEHYDE PRILLS(91,95) gas
Opposite single adsorption.
2. secondly, auxiliary adsorption layer is arranged in Formaldehyde decomposition layer downstream with other pollutant components in adsorbed gas in the present invention
And the formaldehyde not being catalytically decomposed by Formaldehyde decomposition layer, improve applicability of the formaldehyde purifier in purification air.Moreover, by
In upstream, Formaldehyde decomposition layer does not need to regenerate, and the auxiliary adsorption layer in downstream needs to regenerate, and the present invention devises separable two
Auxiliary adsorption layer regeneration need to only be simplified the working efficiency of clarifier by layer structure.
3. in addition, since Formaldehyde decomposition can also generate carbon dioxide gas, and can also have a certain amount of dioxy in air
Change carbon, the present invention also mixes the salting liquid of noble metal with the Synthesis liquid of DD3R molecular sieve, will be expensive using in-situ synthesis
Metal Supported is on sieve particle, and part noble metal enters in framework of molecular sieve instead of element silicon, and due to noble metal
Ionic radius be greater than silicon, so as to cause molecular sieve bore diameter relative reduction so that have the dynamics close with the aperture DDR between
The adsorptivity of carbon dioxide be minimized, similarly ensure that the opposite single adsorption of adsorbent material PARA FORMALDEHYDE PRILLS(91,95) gas.This
Invention on the basis of Formaldehyde decomposition material again compound CO2 adsorbent material, and by amino modified porous adsorbing material to guarantee
CO2 adsorbent material reduces the degree of Formaldehyde decomposition material CO absorption 2 to the Preferential adsorption of CO2 gas, further ensures multiple
The capacity of decomposition of condensation material PARA FORMALDEHYDE PRILLS(91,95).
Specific embodiment
Embodiment 1
(1) amantadine is broken into graininess to be put into beaker, and is broken after adding suitable ethylenediamine, water using ultrasonic cell
Broken instrument carries out ultrasonic treatment 15min, setpoint frequency 20kHz, power 900w to it.Ice water is placed the beaker after ultrasonic treatment
In mixture, rotor is added after its cooling, suitable silica solution and H2PtCl4 solution are successively added dropwise under stirring.Drop
After adding, jar agitation is heated to 90 DEG C and keeps 30min to form amantadine: silicon source: noble metal source: ethylenediamine:
Water molar ratio is the Synthesis liquid of 47:100:10:400:11240.
(2) by DD3R sieve particle well prepared in advance after ball milling (partial size 300nm) according to mass ratio be 0.5%
Mass ratio be added in Synthesis liquid, and Synthesis liquid is placed in microwave reaction kettle, and stir hydrothermal synthesis under microwave condition
For 72h to guarantee that the silicon source in Synthesis liquid is utilized entirely, synthesis temperature is 160 DEG C.
(3) after hydrothermal synthesis, the Synthesis liquid in microwave reaction kettle is poured into container for evaporation, makes to synthesize at high temperature
Moisture is evaporated and dries in liquid, and will reunite makes its dispersion with solid particle grinding together.
(4) solid material of drying roasts 3-4h under ozone environment to prepare required material for air purification
A1, set temperature are 300 DEG C.
Embodiment 2
(1) amantadine is broken into graininess to be put into beaker, and is broken after adding suitable ethylenediamine, water using ultrasonic cell
Broken instrument carries out ultrasonic treatment 15min, setpoint frequency 20kHz, power 900w to it.Ice water is placed the beaker after ultrasonic treatment
In mixture, rotor is added after its cooling, suitable silica solution and H2PtCl4 solution are successively added dropwise under stirring.Drop
After adding, jar agitation is heated to 90 DEG C and keeps 30min to form amantadine: silicon source: noble metal source: ethylenediamine:
Water molar ratio is the Synthesis liquid of 47:100:10:400:11240.
(2) by DD3R sieve particle well prepared in advance after ball milling (partial size 300nm) according to mass ratio be 0.5%
Mass ratio be added in Synthesis liquid, and Synthesis liquid is placed in microwave reaction kettle, and stir hydrothermal synthesis under microwave condition
For 72h to guarantee that the silicon source in Synthesis liquid is utilized entirely, synthesis temperature is 160 DEG C.
(3) after hydrothermal synthesis, the Synthesis liquid in microwave reaction kettle is poured into container for evaporation, makes to synthesize at high temperature
Moisture is evaporated and dries in liquid, and will reunite makes its dispersion with solid particle grinding together.
(4) solid material of drying roasts 3-4h under ozone environment to preparing required Formaldehyde decomposition material,
Set temperature is 300 DEG C.
(5) after mixing by quality such as commercial HZSM-5 and MCM-41 molecular sieves, it is placed in baking oven and keeps 6h.
(6) tetren of composite molecular screen quality 30% is weighed, dehydrated alcohol is added, ultrasonic agitation 10min makes
Its tetren is completely dissolved, and the composite molecular screen in step (5) is added thereto, and is ultrasonically treated 6h, is so placed in
Dry a whole day is in 80 DEG C of vacuum ovens to obtain CO2 adsorbent material.
(7) it is equal that the mass mixings such as the CO2 adsorbent material of Formaldehyde decomposition material and step (6) preparation will be prepared in step (4)
It is even, to obtain composite material for air cleaning A2.
Embodiment 3
Purifying formaldehyde material prepared by embodiment 1 is as upstream Formaldehyde decomposition layer, by commercial active carbon (767 type) as auxiliary
Adsorption layer prepares material for air purification A3.
Embodiment 4
Purifying formaldehyde material prepared by embodiment 2 is as upstream Formaldehyde decomposition layer, by commercial active carbon (767 type) as auxiliary
Adsorption layer prepares material for air purification A4.
Comparative example 1
(1) using silica solution as silicon source, TPAOH is template, and being configured to molar ratio with deionized water is SiO2: H2PtCl4:
TPAOH: H2O=100:10: 5: 1000 Synthesis liquid.
(2) by silicalite-1 molecular sieve well prepared in advance, (partial size 300nm) according to mass ratio is after ball milling
0.5% mass ratio is added in Synthesis liquid, and Synthesis liquid is placed in microwave reaction kettle, and stirs hydro-thermal under microwave condition
72h is synthesized, synthesis temperature is 160 DEG C.
(3) after hydrothermal synthesis, the Synthesis liquid in microwave reaction kettle is poured into container for evaporation, makes to synthesize at high temperature
Moisture is evaporated and dries in liquid, and will reunite makes its dispersion with solid particle grinding together.
(4) solid material of drying roasts 3-4h under ozone environment to prepare required material for air purification
D1, set temperature are 300 DEG C.
Documents 2
(1) amantadine is broken into graininess to be put into beaker, and is broken after adding suitable ethylenediamine, water using ultrasonic cell
Broken instrument carries out ultrasonic treatment 15min, setpoint frequency 20kHz, power 900w to it.Ice water is placed the beaker after ultrasonic treatment
In mixture, rotor is added after its cooling, suitable silica solution is added dropwise under stirring.After completion of dropwise addition, beaker is stirred
Mix and be heated to 90 DEG C and keep 30min to form amantadine: silicon source: ethylenediamine: water molar ratio is 47:100:400:11240
Synthesis liquid.
(2) by DD3R sieve particle well prepared in advance after ball milling (partial size 300nm) according to mass ratio be 0.5%
Mass ratio be added in Synthesis liquid, and Synthesis liquid is placed in microwave reaction kettle, and stir hydrothermal synthesis under microwave condition
For 72h to guarantee that the silicon source in Synthesis liquid is utilized entirely, synthesis temperature is 160 DEG C.
(3) after hydrothermal synthesis, Synthesis liquid centrifugation, cleaning, the drying in microwave reaction kettle are obtained into DD3R molecular sieve
Particle.Sieve particle is dispersed in H2PtCl4 solution, after stirring a period of time, moisture is removed in 80 DEG C of stirring evaporations and dries
It is dry.
(4) solid material of drying roasts 3-4h under ozone environment to prepare required material for air purification
D2, set temperature are 300 DEG C.
Comparative example 3
(1) amantadine is broken into graininess to be put into beaker, and is broken after adding suitable ethylenediamine, water using ultrasonic cell
Broken instrument carries out ultrasonic treatment 15min, setpoint frequency 20kHz, power 900w to it.Ice water is placed the beaker after ultrasonic treatment
In mixture, rotor is added after its cooling, suitable silica solution and H2PtCl4 solution are successively added dropwise under stirring.Drop
After adding, jar agitation is heated to 90 DEG C and keeps 30min to form amantadine: silicon source: noble metal source: ethylenediamine:
Water molar ratio is the Synthesis liquid of 47:100:10:400:11240.
(2) by DD3R sieve particle well prepared in advance after ball milling (partial size 300nm) according to mass ratio be 0.5%
Mass ratio be added in Synthesis liquid, and Synthesis liquid is placed in microwave reaction kettle, and stir hydrothermal synthesis under microwave condition
For 72h to guarantee that the silicon source in Synthesis liquid is utilized entirely, synthesis temperature is 160 DEG C.
(3) after hydrothermal synthesis, the Synthesis liquid in microwave reaction kettle is subjected to eccentric cleaning, drying obtains solid material
Material, will reunite makes its dispersion with solid particle grinding together.
(4) solid material of drying roasts 3-4h under ozone environment to prepare required material for air purification
D3, set temperature are 300 DEG C.
Documents 4
(1) amantadine is broken into graininess to be put into beaker, and is broken after adding suitable ethylenediamine, water using ultrasonic cell
Broken instrument carries out ultrasonic treatment 15min, setpoint frequency 20kHz, power 900w to it.Ice water is placed the beaker after ultrasonic treatment
In mixture, rotor is added after its cooling, suitable silica solution and H2PtCl4 solution are successively added dropwise under stirring.Drop
After adding, jar agitation is heated to 90 DEG C and keeps 30min to form amantadine: silicon source: noble metal source: ethylenediamine:
Water molar ratio is the Synthesis liquid of 47:100:10:400:11240.
(2) by DD3R sieve particle well prepared in advance after ball milling (partial size 300nm) according to mass ratio be 0.5%
Mass ratio be added in Synthesis liquid, and Synthesis liquid is placed in common response kettle, and stir under baking oven hydrothermal synthesis 72h with
Guarantee that the silicon source in Synthesis liquid is utilized entirely, synthesis temperature is 160 DEG C.
(3) after hydrothermal synthesis, the Synthesis liquid in microwave reaction kettle is poured into container for evaporation, makes to synthesize at high temperature
Moisture is evaporated and dries in liquid, and will reunite makes its dispersion with solid particle grinding together.
(4) solid material of drying roasts 3-4h under ozone environment to prepare required material for air purification
D4, set temperature are 300 DEG C.
Comparative example 5
(1) amantadine is broken into graininess to be put into beaker, and is broken after adding suitable ethylenediamine, water using ultrasonic cell
Broken instrument carries out ultrasonic treatment 15min, setpoint frequency 20kHz, power 900w to it.Ice water is placed the beaker after ultrasonic treatment
In mixture, rotor is added after its cooling, suitable silica solution and H2PtCl4 solution are successively added dropwise under stirring.Drop
After adding, jar agitation is heated to 90 DEG C and keeps 30min to form amantadine: silicon source: noble metal source: ethylenediamine:
Water molar ratio is the Synthesis liquid of 47:100:10:400:11240.
(2) by DD3R sieve particle well prepared in advance after ball milling (partial size 300nm) according to mass ratio be 0.5%
Mass ratio be added in Synthesis liquid, and Synthesis liquid is placed in microwave reaction kettle, and stir hydrothermal synthesis under microwave condition
For 72h to guarantee that the silicon source in Synthesis liquid is utilized entirely, synthesis temperature is 160 DEG C.
(3) after hydrothermal synthesis, the Synthesis liquid in microwave reaction kettle is poured into container for evaporation, makes to synthesize at high temperature
Moisture is evaporated and dries in liquid, and will reunite makes its dispersion with solid particle grinding together.
(4) solid material of drying roasts 3-4h under common hot environment to prepare required air cleaning material
Expect D5, set temperature is 700 DEG C.
Contrast test
Material for air purification prepared by 500mg above-described embodiment and comparative example 1-3 is taken respectively, is placed in tubular fixed-bed reaction
It is tested, will be protected at room temperature, composite pollution gas (40% formaldehyde, 20% toluene, 20% dimethylbenzene and 20% acetone) is used in device
It is bubbled, reaction system is blown by nitrogen, control Reactor inlet concentration of formaldehyde is 50mg/m3, and reaction velocity (GHSV) is
30000mlg-1h-1, Activity evaluation are as shown in table 1.
1 scavenging material evaluation result of table
As shown in Table 1, in the exhaust gas containing multiple pollutant, purification composite material PARA FORMALDEHYDE PRILLS(91,95) provided by the present invention
Detergent power it is best.
It the foregoing is merely embodiments of the present invention are illustrated, is not intended to restrict the invention, for the technology of this field
For personnel, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on be should be included in
Within protection scope of the present invention.
Claims (7)
1. a kind of material for air purification, it is characterised in that the material includes the auxiliary of the Formaldehyde decomposition layer and downstream positioned at upstream
Adsorption layer；The Formaldehyde decomposition layer includes the Formaldehyde decomposition material that PARA FORMALDEHYDE PRILLS(91,95) is decomposed, and the auxiliary adsorption layer is to use
Other pollution gas in absorption air；The Formaldehyde decomposition material is by DD3R molecular sieve and noble metal active ingredient
Composition.
2. material according to claim 1, it is characterised in that the noble metal be one of Pt, Pd, Au and Ag or
It is a variety of.
3. material according to claim 1, it is characterised in that the auxiliary adsorption layer is selected from active carbon, zeolite, molecule
Sieve, silica gel etc. have the adsorbent of large specific surface area.
4. material according to claim 1, it is characterised in that the Formaldehyde decomposition layer further includes for in air-flow
The carbon dioxide adsorbent that carbon dioxide caused by CO2 and/or Formaldehyde decomposition is adsorbed.
5. material according to claim 4, it is characterised in that the carbon dioxide adsorbent is by by amino functional
Change porous material composition.
6. material according to claim 1, it is characterised in that the spacing between Formaldehyde decomposition layer and auxiliary adsorption layer is not small
In 10cm.
7. material according to claim 1, it is characterised in that be separable between Formaldehyde decomposition layer and auxiliary adsorption layer.
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