CN107101966A - A kind of device and method for evaluating catalysis material water treatmenting performance under ultraviolet optical drive - Google Patents
A kind of device and method for evaluating catalysis material water treatmenting performance under ultraviolet optical drive Download PDFInfo
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- CN107101966A CN107101966A CN201710301574.6A CN201710301574A CN107101966A CN 107101966 A CN107101966 A CN 107101966A CN 201710301574 A CN201710301574 A CN 201710301574A CN 107101966 A CN107101966 A CN 107101966A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 107
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 84
- 239000000463 material Substances 0.000 title claims abstract description 73
- 230000003287 optical effect Effects 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000010865 sewage Substances 0.000 claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 33
- 239000003344 environmental pollutant Substances 0.000 claims description 17
- 231100000719 pollutant Toxicity 0.000 claims description 17
- 230000003197 catalytic effect Effects 0.000 claims description 10
- 238000011156 evaluation Methods 0.000 abstract description 18
- 238000007146 photocatalysis Methods 0.000 abstract description 18
- 230000001699 photocatalysis Effects 0.000 abstract description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 17
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 10
- 229960000907 methylthioninium chloride Drugs 0.000 description 10
- 239000004745 nonwoven fabric Substances 0.000 description 9
- 239000004408 titanium dioxide Substances 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005070 sampling Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000005297 material degradation process Methods 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 238000003911 water pollution Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000000589 high-performance liquid chromatography-mass spectrometry Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 230000004298 light response Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Catalysts (AREA)
- Physical Water Treatments (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention provides a kind of device and method for evaluating catalysis material water treatmenting performance under ultraviolet optical drive.The present invention holds treatment sewage using tank；Catalysis material to be measured is placed using sample holder；Treatment sewage is flow to weep pipe from tank along oral siphon using water pump, tank is flowed into along catalysis material surface to be measured through osculum outflow；Ultraviolet source impinges upon catalysis material surface, realizes the evaluation of catalysis material water treatmenting performance under ultraviolet optical drive.The device of catalysis material water treatmenting performance is easy to use under the ultraviolet optical drive of evaluation that the present invention is provided, and without being assembled according to different photocatalysis samples, evaluates and tests efficiency high.
Description
Technical field
It is more particularly to a kind of to evaluate catalysis material water process under ultraviolet optical drive the present invention relates to water-treatment technology field
The device and method of performance.
Background technology
In recent years, photocatalysis technology receives the pass of numerous scientific research personnel as a kind of environmental energy technology of environmental protection
Note.The catalysis material for having had many activity higher at present has been applied to the pollution control of reality.But these development compared with
Good catalysis material, light-catalyzed reaction can only occur under ultraviolet light for such as titanium dioxide, zinc oxide.Although at present
Scientists obtain certain progress in the photoresponse scope for how widening this kind of catalysis material, but because such light is urged
Change the price of material expensive, preparation process is complicated, still can not be widely used in actual environmental pollution improvement.Thus at present
The universal photochemical catalyst in market is only to have ultraviolet light response mostly.
In the related research of photocatalysis in recent years, it is greatly in water pollution control on photocatalysis technology to have
On application.China is as an industrial power, and water pollution problems is always the big problem of a puzzlement common people.Photocatalysis technology
Application in water pollution control will have very important significance to alleviating the current environmental pressure of China.
For efficient studies of the catalysis material to purifying water process, it usually needs carried out by corresponding experimental provision
Evaluate.At present, the performance evaluation of most catalysis material is all to build corresponding evaluating apparatus temporarily by labware, and
It is generally only the laboratory evaluation and test of small range, it is impossible to actual estimated and traditional evaluating method evaluation and test is less efficient.
The content of the invention
It is an object of the invention to provide it is a kind of evaluate under ultraviolet optical drive the device of catalysis material water treatmenting performance and
Method.The device of catalysis material water treatmenting performance is easy to use under the ultraviolet optical drive of evaluation that the present invention is provided, evaluate and test
Efficiency high.
The invention provides a kind of device for evaluating catalysis material water treatmenting performance under ultraviolet optical drive, including tank,
It is vertically installed in sample holder, the ultraviolet source set parallel to the sample holder, Yi Jishui above the tank
The circulatory system；
The water circulation system includes oral siphon, water pump and weep pipe；The two ends of the oral siphon respectively with bottom of gullet
Connected with the water inlet of water pump；One end of the weep pipe is connected with the delivery port of water pump, other end closure；The weep pipe is put down
Row is arranged at directly over the sample holder, and is provided with draining on the weep pipe side wall relative with sample holder
Hole.
It is preferred that, the sample holder includes the stopper slot of bottom, the sample test plate insert port at top and both sides
Support bar.
It is preferred that, the distance of the ultraviolet source and plane where sample holder is 5~30cm.
It is preferred that, the ultraviolet source includes the fluorescent tube be arrangeding in parallel.
It is preferred that, the wattage of the fluorescent tube is 5~1000W.
It is preferred that, the weep pipe is connected by water-supply-pipe with the delivery port of water pump, and the water-supply-pipe is adjusted provided with flow
Save valve.
It is preferred that, the osculum is 1~10cm with the distance at the top of sample holder.
It is preferred that, the aperture of the osculum is 1~10mm.
It is preferred that, the distribution density of the osculum is 20~500/m.
Present invention also offers a kind of method for evaluating catalysis material water treatmenting performance under ultraviolet optical drive, using above-mentioned
Device described in technical scheme, comprises the following steps：
(1) catalysis material is placed on sample holder, makes the catalysis material that there is the one side face of catalytic activity
To ultraviolet source；
(2) treatment sewage is placed in tank, opening water pump makes treatment sewage flow to weep pipe along oral siphon, through row
Water hole is flowed out, then flows into tank along catalysis material surface to be measured, realizes circulating for treatment sewage；
(3) ultraviolet source is opened, ultraviolet lighting is carried out light-catalyzed reaction on catalysis material surface, photocatalysis is determined anti-
Pollutant concentration in treatment sewage before and after answering.
The present invention achieves following technique effect relative to prior art：
The device of catalysis material water treatmenting performance includes tank, vertically set under the ultraviolet optical drive of evaluation that the present invention is provided
Sample holder, the ultraviolet source parallel to sample holder setting and the water circulation system being placed in above the tank
System；The water circulation system includes oral siphon, water pump and weep pipe；The two ends of the oral siphon respectively with bottom of gullet and water pump
Water inlet connection；One end of the weep pipe is connected with the delivery port of water pump, other end closure；The weep pipe be arranged in parallel
Directly over the sample holder, and osculum is provided with the weep pipe side wall relative with sample holder.This hair
Bright use tank holds treatment sewage；Catalysis material to be measured is placed using sample holder；Pending dirt is made using water pump
Water flow to weep pipe from tank along oral siphon, and tank is flowed into along catalysis material surface to be measured through osculum outflow；Ultraviolet source
Catalysis material surface is impinged upon, the evaluation of catalysis material water treatmenting performance under ultraviolet optical drive is realized.What the present invention was provided comments
The device of catalysis material water treatmenting performance is easy to use under the ultraviolet optical drive of valency, without being entered according to different photocatalysis samples
Row assembling, evaluates and tests efficiency high.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 evaluates showing for the device of catalysis material water treatmenting performance under ultraviolet optical drive to be provided in an embodiment of the present invention
It is intended to；
In figure, 1 is tank, and 2 be sample holder, and 3 be cold wind blower, and 4 be ultraviolet source, and 5 be oral siphon, and 6 are
Water pump, 7 be weep pipe, and 8 be osculum, and 9 be stopper slot, and 10 be sample test plate insert port, and 11 be support bar, and 12 be water delivery
Pipe, 13 be flow control valve；
Fig. 2 is the design sketch of catalysis material degradation of methylene blue in the embodiment of the present invention 2；
Fig. 3 is the design sketch of catalysis material degradation of methylene blue in the embodiment of the present invention 3；
Fig. 4 is the design sketch of catalysis material degradation of methylene blue in the embodiment of the present invention 4；
Fig. 5 is the design sketch of catalysis material degradation of methylene blue in the embodiment of the present invention 5.
Embodiment
The invention provides a kind of device for evaluating catalysis material water treatmenting performance under ultraviolet optical drive, including tank,
It is vertically installed in sample holder, the ultraviolet source set parallel to the sample holder, Yi Jishui above the tank
The circulatory system；The water circulation system includes oral siphon, water pump and weep pipe；The two ends of the oral siphon respectively with bottom of gullet
Connected with the water inlet of water pump；One end of the weep pipe is connected with the delivery port of water pump, other end closure；The weep pipe is put down
Row is arranged at directly over the sample holder, and is provided with draining on the weep pipe side wall relative with sample holder
Hole.
As shown in figure 1, the device of catalysis material water treatmenting performance includes under the ultraviolet optical drive of evaluation that the present invention is provided
Tank 1.The present invention does not have special restriction to the shape and size of the tank, is adjusted according to use condition.
In the present invention, the tank is preferably cuboid；The length of the tank is preferably 0.3~2m, more preferably 0.5~1.5m；Institute
It is preferably 0.1~0.8m, more preferably 0.3~0.6m to state the wide of tank；The height of the tank is preferably 0.05~0.5m, more excellent
Elect 0.1~0.3m as.In the present invention, the tank is used to hold treatment sewage；It is preferred that, set on the side wall of the tank
There are volume markings, the scale can control amount of water, record total water process amount.
As shown in figure 1, the device of catalysis material water treatmenting performance includes under the ultraviolet optical drive of evaluation that the present invention is provided
It is vertically installed in the sample holder 2 of the top of tank 1.The present invention is to the distance of the sample holder and tank without spy
Different restriction, is adjusted according to actual needs.In the present invention, the sample holder bottom and sink top away from
From preferably 0~20cm, most preferably more preferably 5~15cm, 8~12cm.
In one embodiment of the invention, the sample holder 2 includes the stopper slot 9 of bottom, and the sample at top is surveyed
The support bar 11 of test plate (panel) insert port 10 and both sides.Specifically, the sample holder 2 is quadra, the bottom of the framework
Portion is stopper slot 9, and the top of framework is sample test plate insert port 10, and the both sides of framework are support bar 11.The present invention is to described
The size of sample holder does not have special restriction, it is ensured that water, which is flowed through, entirely falls in tank after sample.In the present invention, institute
State the sample that sample holder 2 is used to place catalysis material to be measured；The sample inserts sample by sample test plate insert port 10
Product fixed mount 2, is fixed by stopper slot 9 and the support bar 11 of both sides.
The present invention does not have special restriction to fixed form of the sample holder above tank, using this area skill
Mechanical means known to art personnel.In an embodiment of the present invention, the sample holder is fixed on by support
Above tank.The mode that the present invention is fixed to the support does not have special restriction, using machine well known to those skilled in the art
Tool fixed form.In an embodiment of the present invention, it is described to be fixed as being welded and fixed.
As shown in figure 1, the device of catalysis material water treatmenting performance includes under the ultraviolet optical drive of evaluation that the present invention is provided
The ultraviolet source 4 set parallel to the sample holder 2.In the present invention, the ultraviolet source and sample holder place
The distance of plane is preferably 5~30cm, more preferably 8~20cm, most preferably 10~15cm.The present invention is to the ultraviolet source
Species there is no special restriction, using it is well known to those skilled in the art be used for light-catalysed ultraviolet source.
In an embodiment of the present invention, the ultraviolet source includes the fluorescent tube be arrangeding in parallel；The fluorescent tube can be wrapped specifically
Include one kind in mercury lamp, xenon lamp, deuterium lamp, hydrogen lamp, helium lamp, krypton lamp and neon lamp.The present invention is not special to the quantity of the fluorescent tube
Restriction, be adjusted according to actual needs.In the present invention, the wattage of the fluorescent tube is preferably 5~1000W, more excellent
Elect 8~500W, most preferably 10~100W as.In the present invention, the quantity of the fluorescent tube is preferably 1~200, more preferably
5~100, most preferably 10~50.In an embodiment of the present invention, it is described when the quantity of affiliated fluorescent tube is more than 3
Fluorescent tube is in equidistantly to be uniformly distributed.
In one embodiment of the invention, it is provided with cold wind blower 3 above the fluorescent tube.The present invention is to the blowing
The distance of cooling device and fluorescent tube does not have special restriction, is adjusted according to actual needs.In the present invention, it is described to blow
The distance of air-cooling device and fluorescent tube is preferably 5~30cm, more preferably 10~25cm, most preferably 15~20cm.In this hair
In bright, the cold wind blower is used to dry to fluorescent tube, promotes fluorescent tube radiating.
As shown in figure 1, the device of catalysis material water treatmenting performance includes under the ultraviolet optical drive of evaluation that the present invention is provided
Water circulation system；The water circulation system includes oral siphon 5, water pump 6 and weep pipe 7；The two ends of the oral siphon 5 respectively with water
Trench bottom is connected with the water inlet of water pump 6；One end of the weep pipe 7 is connected with the delivery port of water pump 6, other end closure；Institute
State the surface that weep pipe 7 is set in parallel in the sample holder 2, and the side relative with sample holder 2 of the weep pipe 7
Osculum 8 is provided with wall.In the present invention, the water circulation system circulates treatment sewage；The water pump makes water
Treatment sewage in groove flows into weep pipe through oral siphon, is then flowed out from the osculum of the weep pipe, through sample table surface current
Enter tank.
The present invention does not have special restriction to the size of the weep pipe, is adjusted according to actual needs.At this
In invention, the diameter of the weep pipe is preferably 1~10cm, more preferably 1.5~6cm, most preferably 2~4cm.
In the present invention, the osculum and the distance at the top of sample holder are preferably 1~10cm, more preferably 2~
8cm, most preferably 4~6cm.In the present invention, the aperture of the osculum is preferably 1~10mm, more preferably 2~8mm, most
Preferably 4~6mm.In the present invention, the distribution density of the osculum is preferably 20~500/m, more preferably 50~400
Individual/m, most preferably 100~300/m.In the present invention, the osculum ensures that uniform fluid flow flows through catalysis material to be measured
Sample surfaces.
In one embodiment of the invention, the weep pipe 7 is connected by water-supply-pipe 12 with the delivery port of water pump 6.
In one embodiment of the present of invention, the water-supply-pipe 12 is provided with flow control valve 13.In the present invention, the flow control valve
Flow for adjusting treatment sewage, records the water-carrying capacity of stable circulation.
Present invention also offers a kind of method for evaluating catalysis material water treatmenting performance under ultraviolet optical drive, using above-mentioned
Device described in technical scheme, comprises the following steps：
(1) catalysis material is placed on sample holder, makes the catalysis material that there is the one side face of catalytic activity
To ultraviolet source；
(2) treatment sewage is placed in tank, opening water pump makes treatment sewage flow to weep pipe along oral siphon, through row
Water hole is flowed out, then flows into tank along catalysis material surface to be measured, realizes circulating for treatment sewage；
(3) ultraviolet source is opened, ultraviolet lighting is carried out light-catalyzed reaction on catalysis material surface, photocatalysis is determined anti-
Pollutant concentration in treatment sewage before and after answering.
Catalysis material is placed on sample holder by the present invention, the catalysis material is had the one side of catalytic activity
Towards ultraviolet source.The present invention does not have special restriction to the species of the catalysis material, ripe using those skilled in the art
The catalysis material known.In the present invention, the catalysis material is preferably film material, fabric shape material, plate
Material or sheet material.In the present invention, the catalysis material preferably inserts sample holder by sample test plate insert port, passes through limit
Position groove and the support bar of both sides are fixed.
After the completion of the placement of catalysis material, the present invention places treatment sewage in tank, and unlatching water pump makes pending
Sewage flow to weep pipe along oral siphon, is flowed out through osculum, then flows into tank along catalysis material surface to be measured, realizes pending
Sewage is circulated.The present invention does not have special restriction to the amount of the treatment sewage, is adjusted according to actual needs
.In the present invention, the volume of the treatment sewage is preferably 0.5~500L, more preferably 1~300L, is most preferably
10~100L.
The present invention does not have special restriction to the species of pollutant in the treatment sewage, is selected according to actual needs
Select.In the present invention, the pollutant in the treatment sewage preferably includes dyestuff, medicine, personal-care supplies and had
One or more in machine agricultural chemicals.The present invention does not have special restriction to the concentration of pollutant in the treatment sewage, according to
It is actually needed and is selected.In the present invention, the molar concentration of pollutant is preferably 10 in the treatment sewage-6~
10-3Mol/L, more preferably 10-5~10-4mol/L。
In the present invention, the treatment sewage preferably flows into weep pipe in the presence of water pump by water-supply-pipe.This hair
It is bright preferably by the flow of Flow-rate adjustment valve regulation treatment sewage.The present invention is not special to the flow of the treatment sewage
Restriction, current is flowed uniformly through catalysis material surface and be defined.In the present invention, the flow of the treatment sewage is excellent
Elect 0.1~20L/min, most preferably more preferably 0.5~15L/min, 1~10L/min as.
After treatment sewage is circulated, the present invention opens ultraviolet source, ultraviolet lighting is entered on catalysis material surface
Row light-catalyzed reaction, pollutant concentration in treatment sewage before and after measure light-catalyzed reaction.The present invention is to the pollutant concentration
Assay method there is no special restriction, using it is well known to those skilled in the art measure material concentration method.At this
In invention, the measure of the pollutant concentration preferably includes ultraviolet-uisible spectrophotometer determination method, efficient liquid phase chromatographic analysis
Method, HPLC-MS analytic approach, gas chromatography-mass spectrometry, COD Determination Method, biological aerobic
Measure the one or more in determination method, total content of organic carbon determination method and titration.In the present invention, by determining a certain amount of treat
Concentration of the sewage in light-catalyzed reaction front and rear pollutant for a period of time is handled, to evaluate the water treatmenting performance of catalysis material.
In order to further illustrate the present invention, light is urged under the ultraviolet optical drive of evaluation provided with reference to embodiment the present invention
The device and method for changing material water treatmenting performance is described in detail, but they can not be interpreted as to the scope of the present invention
Restriction.
Embodiment 1：
The evaluating apparatus of ultraviolet optical drive catalysis material water treatmenting performance includes tank, is vertically installed in the present embodiment
Sample holder above the tank, ultraviolet source and water circulation system parallel to sample holder setting；Institute
Stating water circulation system includes oral siphon, water pump and weep pipe；The two ends of the oral siphon enter with bottom of gullet and water pump respectively
The mouth of a river is connected；One end of the weep pipe is connected with the delivery port of water pump, other end closure；The weep pipe is set in parallel in institute
State directly over sample holder, and osculum is provided with the weep pipe side wall relative with sample holder.
Tank is provided with liquid level scale.Sample holder is that a bottom is inserted provided with stopper slot, top provided with sample test plate
40cm × 50cm quadras of entrance and place plane and horizontal plane.The side of sample holder is provided with being put down where it
3 parallel ultraviolet lamp tubes of face, the two ends of fluorescent tube are fixed with the side of sample holder two respectively, and ultraviolet lamp tube is that 15W wavelength is
254nm mercury lamp.The distance of fluorescent tube and plane where sample holder is 10cm.Provided with quenching dress at 15cm above fluorescent tube
Put.
Weep pipe is connected with the delivery outlet of a water pump by water-supply-pipe, and the input port of water pump is with stretching into the bottom of gullet
Oral siphon is connected.Water-supply-pipe is provided with flow control valve.The side wall of weep pipe is relative with sample test plate insert port provided with a row
The osculum answered.The aperture of osculum is 5mm, and the distribution density in hole is 100/meter.
Embodiment 2：
Using the evaluating apparatus in embodiment 1, water process is carried out to the photocatalysis non-woven fabrics for loading 2wt% titanium dioxide
It can evaluate：
Intercept test board size catalysis material, be clamped and fastened on test board, the one side with catalytic activity towards
Fluorescent tube；
2 × 10 are placed in tank-5The aqueous solution of methylene blue 4L of mol/L concentration, opens water pump and regulation flow control valve
To 8L/min, water uniformly flow on sample test plate and flowed down along its surface by weep pipe；
After after flow speed stability, connecting fluorescent tube, sampling determines the timing of light-catalyzed reaction one by ultraviolet-uisible spectrophotometer
Between before and after pollutant load, obtaining degradation effect, to change over time curve as shown in Figure 2.Fig. 2 is used to evaluate load 2wt% bis-
Water treatmenting performance of the photocatalysis non-woven fabrics of titanium oxide under ultraviolet optical drive.
Embodiment 3：
Ultraviolet lamp tube in evaluating apparatus in embodiment 1 is replaced by mercury lamp of the 8W wavelength in 254nm, to load
The photocatalysis non-woven fabrics of 2wt% titanium dioxide carries out water treatmenting performance evaluation：
The catalysis material of test board size is intercepted, is clamped and fastened on test board, the one side face with catalytic activity
To fluorescent tube；
2 × 10 are placed in tank-5The aqueous solution of methylene blue 7L of mol/L concentration, opens water pump and regulation flow control valve
To 8L/min, uniformly water is flow on sample test plate and flowed down along its surface；
After after flow speed stability, connecting fluorescent tube, sampling determines the timing of light-catalyzed reaction one by ultraviolet-uisible spectrophotometer
Between before and after pollutant load, obtaining degradation effect, to change over time curve as shown in Figure 3.Fig. 3 is used to evaluate load 2wt% bis-
Water treatmenting performance of the photocatalysis non-woven fabrics of titanium oxide under ultraviolet optical drive.
Embodiment 4：
The photocatalysis non-woven fabrics for loading 2wt% nitrogen-doped titanium dioxide is carried out using the evaluating apparatus in embodiment 1
Water treatmenting performance is evaluated：
The catalysis material of test board size is intercepted, is clamped and fastened on test board, the one side face with catalytic activity
To fluorescent tube；
2 × 10 are placed in tank-5The aqueous solution of methylene blue 5L of mol/L concentration, opens water pump and regulation flow control valve
To 8L/min, uniformly water is flow on sample test plate and flowed down along its surface；
After after flow speed stability, connecting fluorescent tube, sampling determines the timing of light-catalyzed reaction one by ultraviolet-uisible spectrophotometer
Between before and after pollutant load, obtaining degradation effect, to change over time curve as shown in Figure 4.Fig. 4 is used to evaluate load 2wt% nitrogen
Water treatmenting performance of the titania-doped photocatalysis non-woven fabrics under ultraviolet optical drive.
Embodiment 5：
Water process is carried out to the photocatalysis non-woven fabrics for loading 4wt% titanium dioxide using the evaluating apparatus in embodiment 1
Performance evaluation：
The catalysis material of test board size is intercepted, is clamped and fastened on test board, the one side face with catalytic activity
To fluorescent tube；
2 × 10 are placed in tank-5The aqueous solution of methylene blue 8L of mol/L concentration, opens water pump and regulation flow control valve
To 8L/min, uniformly water is flow on sample test plate and flowed down along its surface；
After after flow speed stability, connecting fluorescent tube, sampling determines the timing of light-catalyzed reaction one by ultraviolet-uisible spectrophotometer
Between before and after pollutant load, obtaining degradation effect, to change over time curve as shown in Figure 5.Fig. 5 is used to evaluate load 4wt% bis-
Water treatmenting performance of the photocatalysis non-woven fabrics of titanium oxide under ultraviolet optical drive.
Embodiment 6：
Water process is carried out to the nickel foam for loading 2wt% nitrogen-doped titanium dioxide using the evaluating apparatus in embodiment 1
Performance evaluation：
The catalysis material of test board size is intercepted, is clamped and fastened on test board, the one side face with catalytic activity
To fluorescent tube；
2 × 10 are placed in tank-5The aqueous solution of methylene blue 4L of mol/L concentration, opens water pump and regulation flow control valve
To 6L/min, uniformly water is flow on sample test plate and flowed down along its surface；
After after flow speed stability, connecting fluorescent tube, sampling determines the timing of light-catalyzed reaction one by ultraviolet-uisible spectrophotometer
Between before and after pollutant load, after measured the degradation rate of 8 hours up to 89%.
Embodiment 7：
Ultraviolet lamp tube in evaluating apparatus in embodiment 1 is replaced with into mercury lamp of the 400W wavelength in 365nm, to load
The photocatalysis non-woven fabrics of 2wt% titanium dioxide carries out water treatmenting performance evaluation：
The catalysis material of test board size is intercepted, is clamped and fastened on test board, the one side face with catalytic activity
To fluorescent tube；
2 × 10 are placed in tank-5The aqueous solution of methylene blue 5L of mol/L concentration, opens water pump and regulation flow control valve
To 8L/min, uniformly water is flow on sample test plate and flowed down along its surface；
After after flow speed stability, connecting fluorescent tube, sampling determines the timing of light-catalyzed reaction one by ultraviolet-uisible spectrophotometer
Between before and after pollutant load, after measured the degradation rate of 2 hours up to 92%.
As can be seen from the above embodiments, catalysis material water treatmenting performance under the ultraviolet optical drive of evaluation that the present invention is provided
Device it is easy to use, without being assembled according to different photocatalysis samples, evaluate and test efficiency high.
Described above is only the preferred embodiment of the present invention, not makees any formal limitation to the present invention.Should
Point out, for those skilled in the art, under the premise without departing from the principles of the invention, if can also make
Dry improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of device for evaluating catalysis material water treatmenting performance under ultraviolet optical drive, including tank, be vertically installed in it is described
Sample holder above tank, ultraviolet source and water circulation system parallel to sample holder setting；
The water circulation system includes oral siphon, water pump and weep pipe；The two ends of the oral siphon respectively with bottom of gullet and water
The water inlet connection of pump；One end of the weep pipe is connected with the delivery port of water pump, other end closure；The weep pipe is parallel to be set
It is placed in directly over the sample holder, and osculum is provided with the weep pipe side wall relative with sample holder.
2. device according to claim 1, it is characterised in that the sample holder includes the stopper slot of bottom, top
Sample test plate insert port and both sides support bar.
3. device according to claim 1 or 2, it is characterised in that the ultraviolet source and plane where sample holder
Distance be 5~30cm.
4. device according to claim 3, it is characterised in that the ultraviolet source includes the fluorescent tube be arrangeding in parallel.
5. device according to claim 4, it is characterised in that the wattage of the fluorescent tube is 5~1000W.
6. device according to claim 1, it is characterised in that the weep pipe is connected by the delivery port of water-supply-pipe and water pump
Logical, the water-supply-pipe is provided with flow control valve.
7. device according to claim 1, it is characterised in that the osculum is 1 with the distance at the top of sample holder
~10cm.
8. the device according to claim 1 or 7, it is characterised in that the aperture of the osculum is 1~10mm.
9. device according to claim 8, it is characterised in that the distribution density of the osculum is 20~500/m.
10. a kind of method for evaluating catalysis material water treatmenting performance under ultraviolet optical drive, usage right requirement 1~9 is any one
Device described in, comprises the following steps：
(1) catalysis material is placed on sample holder, makes the catalysis material that there is the one side of catalytic activity towards purple
Outer light source；
(2) treatment sewage is placed in tank, opening water pump makes treatment sewage flow to weep pipe along oral siphon, through osculum
Outflow, then tank is flowed into along catalysis material surface to be measured, realize circulating for treatment sewage；
(3) ultraviolet source is opened, ultraviolet lighting is carried out light-catalyzed reaction on catalysis material surface, is determined before light-catalyzed reaction
Pollutant concentration in treatment sewage afterwards.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863548A (en) * | 2010-07-07 | 2010-10-20 | 中国地质大学（北京） | Device and method for removing organics from water |
| CN105645505A (en) * | 2014-12-02 | 2016-06-08 | 范晨宇 | Water treatment photocatalytic reaction device |
| CN106423295A (en) * | 2016-08-19 | 2017-02-22 | 浙江理工大学 | Photocatalyst and preparation method and application thereof |
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2017
- 2017-05-02 CN CN201710301574.6A patent/CN107101966B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863548A (en) * | 2010-07-07 | 2010-10-20 | 中国地质大学（北京） | Device and method for removing organics from water |
| CN105645505A (en) * | 2014-12-02 | 2016-06-08 | 范晨宇 | Water treatment photocatalytic reaction device |
| CN106423295A (en) * | 2016-08-19 | 2017-02-22 | 浙江理工大学 | Photocatalyst and preparation method and application thereof |
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