CN108636458A - A kind of thin web for dirty phenols in water pollutant light degradation catalysis - Google Patents
A kind of thin web for dirty phenols in water pollutant light degradation catalysis Download PDFInfo
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- CN108636458A CN108636458A CN201810436343.0A CN201810436343A CN108636458A CN 108636458 A CN108636458 A CN 108636458A CN 201810436343 A CN201810436343 A CN 201810436343A CN 108636458 A CN108636458 A CN 108636458A
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- tio
- nafion
- thin web
- phenols
- dirty
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- 230000015556 catabolic process Effects 0.000 title claims abstract description 14
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 14
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 13
- 150000002989 phenols Chemical class 0.000 title claims abstract description 11
- 239000003403 water pollutant Substances 0.000 title claims abstract description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229920000557 Nafion® Polymers 0.000 claims abstract description 29
- 239000011521 glass Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 20
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims abstract description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 6
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 6
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims description 6
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract description 5
- 239000010865 sewage Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- 239000000356 contaminant Substances 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- -1 papermaking Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- FEPBITJSIHRMRT-UHFFFAOYSA-N 4-hydroxybenzenesulfonic acid Chemical compound OC1=CC=C(S(O)(=O)=O)C=C1 FEPBITJSIHRMRT-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000002444 silanisation Methods 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
- B01J35/59—Membranes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
The present invention relates to environmental wastewater improvement, specifically a kind of thin web for dirty phenols in water pollutant light degradation catalysis.Thin web is the Nafion/TiO that 5 10mm are loaded on electrification adherency glass slide2Hybrid film；The Nafion/TiO2Hybrid film includes nanoscale TiO2Particle.The present invention uses Nafion as carrier and modifying agent, by TiO2Immobilized and to adhere on electrification glass slide and become thin web in hybrid film, gained thin plate can be used as the catalysis material of dirty phenols in water contaminant degradation, can be polluted to the phenol in sewage and be filtered, adsorb and degrade, purposes is wider.
Description
Technical field
It is specifically a kind of for dirty phenols in water pollutant light degradation catalysis the present invention relates to environmental wastewater improvement
Thin web.
Background technology
The hybrid film that nanometer organic/inorganic materials combine is a kind of uniform heterogeneous material, wherein at least has a phase to be
Nanometer scale material, and nanometer phase with other phase materials by physically or chemically acting on composite hybridization.This hybrid film exists
There is in structure and performance compared with conventional composite materials dramatically different feature.
TiO2It is commonly used for the industries such as paint, ink, plastics, rubber, papermaking, chemical fibre, can also be used as welding rod material.It receives
The ultra tiny TiO of meter level2(10~50nm) usually have semiconductor property, while have high stability, high transparency, high activity and
Polymolecularity, and it is non-toxic and without colour effect.Therefore, by the nano level TiO of refining2Often it is widely used in function pottery
In porcelain, cosmetics and light-sensitive material, in recent years, due to TiO2The catalyst of chemical reaction is applied to catalysis characteristics.
It is used as catalyst, TiO2Catalytic efficiency is higher and Nature comparison is stablized, but TiO2Be easy in catalytic process with
Flow is lost, the immobilized TiO of hybrid film combined by organic/inorganic materials2Respective advantage can be not only given full play to, but also
Organic phase with it is inorganic it is alternate stronger interaction can also occur, to promote various new excellent properties to generate.
In recent years, by TiO2Being combined into hybridized film also with Nafion has become the hot spot of research.Nafion/TiO2Hydridization
There are mainly two types of the purposes of film：First, be modified Nafion to obtain more excellent battery film material, such research compared with
It is universal；Second is that TiO2Catalysis material it is immobilized to improve TiO2Application environment and improve it and recycle rate and effective
Avoid TiO2The loss of powder.And by TiO2The characteristics such as the structure after hybridized film, adsorptivity, charge transmission are combined into Nafion
It can influence TiO2Catalytic activity, simultaneously because bonding action existing between two-phase, can increase acid to a certain extent
Property center exposure, to enhance its photo-catalysis capability degrade administer phenol pollutant, it is with obvious effects and energy saving easy.
However, due to TiO2With Nafion hybridized films carry out photocatalytic degradation organic compound when, it usually needs be immersed in sewage and
It is caused material to be lost by current scour, is now badly in need of a kind of solution.
Invention content
Present invention aims at a kind of thin webs for dirty phenols in water pollutant light degradation catalysis.
To achieve the above object, the invention adopts a technical scheme as：
A kind of thin web for dirty phenols in water pollutant light degradation catalysis, thin web are on electrification adherency glass slide
Load the Nafion/TiO of 5-10mm2Hybrid film；The Nafion/TiO2Hybrid film includes nanoscale TiO2Particle.
Further, it using the method for instillation, will be mixed using the titanium dioxide of Nafion supporting agents, isopropanol as solvent
Liquid, instillation has been made in PDMS frame of section bar, in 80 DEG C of drying boxes, after 20min drying and processings, removes material frame and is adhered in electrification
The Nafion/TiO of 5-10mm is loaded on glass slide2Hybrid film.
The electrification adheres to glass slide through acetone, deionized water ultrasonic cleaning, for use.
Further
1)Nafion/TiO2The preparation method of hybrid film is：Take the Nafion solution of 5% 20-50g, the weight such as addition
Amount ratio isopropanol, is sufficiently mixed with 3-5g titanium dioxide powders, and titanium dioxide is made and mixes immobilized liquid.
2) PDMS frame of section bar is made：By PDMS stostes in mass ratio 10:1 ratio is mixed into curing agent, is thoroughly mixed
Afterwards, it vacuumizes while 30min removes obtained PDMs proximate matters after bubble removing, and PDMs proximate matters are cut by electrification adherency glass slide shape.
3) PDMS frame of section bar is placed on electrification adherency glass slide, using the method for instillation, then titanium dioxide is mixed immobilized
Drop enters to be made in PDMS frame of section bar.In 80 DEG C of drying boxes, after 20min drying and processings, removes material frame and adhered in electrification
The Nafion/TiO of 5-10mm is loaded on glass slide2Hybrid film.
Advantage for present invention：
The present invention uses Nafion as carrier and modifying agent, by TiO2It is immobilized in hybrid film, and adhere to electrification and carry
Become thin web on slide, gained thin plate can be used as the catalysis material of dirty phenols in water contaminant degradation, can
Phenol pollution in sewage is filtered, adsorbed and degraded, purposes is wider.
Specially：The Nafion/TiO of gained thin plate of the invention thereon2Hybrid film plate maintains TiO2Catalytic activity,
Its photo-catalysis capability is unaffected, and toughness of material and intensity are higher, and electrification adherency glass slide and hybrid film conjugation are high, no
It is easily separated, it can be applied repeatedly in sewage disposal process, phenol pollutant light degradation effect can reach 68.3%, and material
Material loss reduces, energy saving easy.
Therefore, the present invention improves in environmental quality and has broad application prospects with sewage disposal process.
Description of the drawings
Fig. 1 is Nafion/TiO provided in an embodiment of the present invention2The hardened composition of hybrid film.
Fig. 2 be the present invention be example provide to embodiment acquisition thin web adhesive force test result figure (1.：1 time；②:2
It is secondary；③：10 times).
Fig. 3 be the present invention be example provide the immobilized film of general glass substrate 2 times is tested after result figure.
Specific implementation mode
It is described in detail with reference to attached drawing below in conjunction with embodiment, it is deep to objects, features and advantages of the present invention
Understand.
Technical solution is described in detail with embodiment below.
Embodiment 1
Nafion/TiO2The preparation of hybrid film plate：
1) it is 5% Nafion solution 100g to take mass concentration, and 100g isopropanols are added dropwise into solution, after stirring evenly,
Ncepowd HYD-20 type titanium dioxide powder 2g are added into solution, solution, which is sufficiently mixed, to stir evenly, and titanium dioxide is made
Mix immobilized liquid.
2) using p-hydroxybenzenyl sulfonate 5g as curing agent, then dimethyl silicone polymer stoste 50g is taken, the two is sufficiently stirred
Mixing.It is added dropwise to the mixed solution of dimethyl siloxane and curing agent in frame of section bar, dimethyl siloxane and hardening will be contained
The frame of section bar of agent mixed solution is put into vacuum glass ware, is vacuumized 30min with vacuum pump, is removed the bubble in mixed solution
Afterwards, dimethyl siloxane stoste proximate matter is made.
3) choosing the positively charged electrification adherency glass slide in surface, (e.g., " 80303-3141 " silanization treatment adherency carries glass
90 ° of angles of piece), with acetone, deionized water ultrasonic cleaning electrification adherency glass slide, step 1) gained titanium dioxide is taken with rubber head dropper
The immobilized drop of titanium mixing enters step 2) and has been made on dimethyl siloxane proximate matter；It then puts the profile into glass dish, is placed in 80
In DEG C drying box, 20min is dried, removes the Nafion/TiO of material frame load 5-10mm i.e. on electrification adherency glass slide2Hydridization
Film.
Thin web is obtained to above-described embodiment and the immobilized film of general glass slide surface carries out adhesive force test, is adopted
With " gummed paper experiment " method, adhesive force test (referring to Fig. 2) is carried out to the immobilized film of titanium dioxide using 3M600 adhesive tapes, is utilized
3M600 adhesive tapes carry out repeatedly adhering to glue sticking, from Figure 2 it can be seen that above-described embodiment obtains the immobilized Nafion/ of load positive charge substrate
TiO2Hybrid film, adhesive force is preferable after conducting repeated adhesion is glutinous, can reach 5B ranks；And general glass slide table as seen from Figure 3
The immobilized adhesive force in face is very poor, and after viscous twice stick, film largely falls off, and judges that it does not have using function.
Application examples 1
Thin web, simple incandescent lamp, the pure TiO that above-described embodiment is obtained2Powder and Nafion/TiO2Hybrid film
The waste water of the phenol containing 100mg/L is handled respectively, the degradation rate of simple incandescent lamp Pyrogentisinic Acid is less than 2%；Pure TiO2
Powder removal rate of Pyrogentisinic Acid under incandescent lamp reaches 80% or more, but materials loss rate is also up to 70% or more；Nafion/
TiO2Hybrid film removal rate of Pyrogentisinic Acid under incandescent lamp reaches 68% or so, and materials loss rate is about 30%；Above-mentioned implementation
The thin web that example obtains, the degradation rate 68% or so of Pyrogentisinic Acid, but materials loss rate and Nafion/TiO2Hybrid film is compared down
It is down to 5% or less.
Claims (3)
1. a kind of thin web for dirty phenols in water pollutant light degradation catalysis, it is characterised in that：Thin web is that electrification is viscous
The Nafion/TiO of 5-10mm is loaded on appendix slide2Hybrid film；The Nafion/TiO2Hybrid film includes nanoscale
TiO2Particle.
2. the thin web as described in claim 1 for dirty phenols in water pollutant light degradation catalysis, it is characterised in that：It adopts
It is instilled using Nafion supporting agents, isopropanol as the titanium dioxide mixed liquor of solvent and PDMS frame of section bar has been made with the method for instillation
It is interior, in 80 DEG C of drying boxes, after 20min drying and processings, remove material frame load 5-10mm i.e. on electrification adherency glass slide
Nafion/TiO2Hybrid film.
3. the thin web as described in claim 1 or 2 for dirty phenols in water pollutant light degradation catalysis, feature exists
In：The electrification adheres to glass slide through acetone, deionized water ultrasonic cleaning, for use.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018103164209 | 2018-04-10 | ||
| CN201810316420 | 2018-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108636458A true CN108636458A (en) | 2018-10-12 |
Family
ID=63753770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810436343.0A Pending CN108636458A (en) | 2018-04-10 | 2018-05-09 | A kind of thin web for dirty phenols in water pollutant light degradation catalysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108636458A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009018231A (en) * | 2007-07-10 | 2009-01-29 | Achilles Corp | Photocatalytic laminated film |
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2018
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