CN107024562A - A kind of device and method for evaluating catalysis material water treatmenting performance under visible optical drive - Google Patents
A kind of device and method for evaluating catalysis material water treatmenting performance under visible optical drive Download PDFInfo
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- CN107024562A CN107024562A CN201710303489.3A CN201710303489A CN107024562A CN 107024562 A CN107024562 A CN 107024562A CN 201710303489 A CN201710303489 A CN 201710303489A CN 107024562 A CN107024562 A CN 107024562A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/10—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using catalysis
Abstract
The invention provides a kind of device and method for evaluating catalysis material water treatmenting performance under visible 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；Light source impinges upon catalysis material surface through ultraviolet filter, realizes the evaluation of catalysis material water treatmenting performance under visible optical drive.The device of catalysis material water treatmenting performance is easy to use under the visible 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 visible optical drive the present invention relates to water-treatment technology field
The device and method of performance.
Background technology
In recent years, the related research using solar energy in catalysis is always the hot topic of scientific research, especially as the sun
The maximum visible ray of accounting in light gross energy.In order to be able to better profit from solar energy, many scientific research personnel, which are directed to development, to be had
Visible light-responded catalysis material.It is a kind of inexorable trend to move towards industrialization with visible light-responded catalysis material,
Environmental problem and energy crisis that must be current to solution produce far reaching significance.
At present, it is seen that the research of the catalysis material of photoresponse has obtained remarkable progress, related each pollutant can
See that comparative maturity is studied also in photocatalysis.Commented accordingly however, most research is but built simply by labware temporarily
Survey device and carry out experimental study.Thus cause two problems：One is that the evaluating apparatus that different experiments room is built is different, not side
Just the photocatalysis performance between different catalysis materials compares；Two be that traditional evaluating method evaluation and test is less efficient, generally only suitable
Evaluate and test in laboratory for small range, it is impossible to the assessment to actual photo-catalysis capability.
The content of the invention
It is an object of the invention to provide it is a kind of evaluate under visible 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 visible optical drive of evaluation that the present invention is provided, evaluate and test
Efficiency high, and the comparison for the photocatalysis performance that can be used between different catalysis materials.
The invention provides a kind of device for evaluating catalysis material water treatmenting performance under visible optical drive, including tank,
The optical filter rack for be vertically installed in the sample holder above the tank, setting parallel to the sample holder successively
With light source and water circulation system；Ultraviolet filter is placed with the optical filter rack；
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 optical filter rack and plane where sample holder is 3~10cm.
It is preferred that, the distance of the light source and plane where sample holder is 5~30cm.
It is preferred that, the light source includes the fluorescent tube be arrangeding in parallel.
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 visible 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 light 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) light source is opened, light is impinged upon catalysis material surface through ultraviolet filter and carries out light-catalyzed reaction, determine light and urge
Change pollutant concentration in the front and rear treatment sewage of reaction.
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 visible optical drive of evaluation that the present invention is provided
The sample holder being placed in above the tank, the optical filter rack and light that are set successively parallel to the sample holder
Source and water circulation system；Ultraviolet filter is placed with the optical filter rack；The water circulation system is included into water
Pipe, water pump and weep pipe；Water inlet of the two ends of the oral siphon respectively with bottom of gullet and water pump is connected；The weep pipe
One end is connected with the delivery port of water pump, other end closure；The weep pipe is set in parallel in directly over the sample holder, and
Osculum is provided with the weep pipe side wall relative with sample holder.The present invention holds treatment sewage using tank；
Catalysis material to be measured is placed using sample holder；Make treatment sewage flow to from tank along oral siphon using water pump to drip
Pipe, tank is flowed into through osculum outflow along catalysis material surface to be measured；Light source impinges upon catalysis material through ultraviolet filter
Surface, realizes the evaluation of catalysis material water treatmenting performance under visible optical drive.Under the visible optical drive of evaluation that the present invention is provided
The device of catalysis material water treatmenting performance is easy to use, without being assembled according to different photocatalysis samples, evaluation and test effect
Rate is high, and the comparison for the photocatalysis performance that can be used between different catalysis materials.
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 visible 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 optical filter rack, and 4 be light source, and 5 be oral siphon, and 6 be 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-supply-pipe, and 13 are
Flow control valve, 14 be cold wind blower, and 15 be ultraviolet filter；
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.
Embodiment
The invention provides a kind of device for evaluating catalysis material water treatmenting performance under visible optical drive, including tank,
The optical filter rack for be vertically installed in the sample holder above the tank, setting parallel to the sample holder successively
With light source and water circulation system；Ultraviolet filter is placed with the optical filter rack；The water circulation system include into
Water pipe, water pump and weep pipe；Water inlet of the two ends of the oral siphon respectively with bottom of gullet and water pump is connected；The weep pipe
One end connected with the delivery port of water pump, the other end closure；The weep pipe is set in parallel in directly over the sample holder,
And it is provided with osculum on the weep pipe side wall relative with sample holder.
As shown in figure 1, the device of catalysis material water treatmenting performance includes under the visible 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 visible 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 visible optical drive of evaluation that the present invention is provided
The optical filter rack 3 and light source 4 set successively parallel to the sample holder 2.In the present invention, the optical filter is placed
The distance of plane is preferably 3~10cm where frame 3 and sample holder, more preferably 5~8cm, most preferably 6~7cm.
In the present invention, it is placed with ultraviolet filter on the optical filter rack.In the present invention, the ultraviolet filtering
The wavelength upper limit that filters out of piece preferably includes 380nm, 400nm or 420nm.In the present invention, the ultraviolet filter can be filtered out
Ultraviolet light, obtains visible ray.In the present invention, the size of the optical filter rack is preferably not less than the chi of sample holder
It is very little, to ensure to impinge upon all filtered filtering of light on sample.It is furthermore preferred that the optical filter rack is longer than sample holder
2~5cm, is wider than 2~5cm of sample holder.
In the present invention, the distance of the light source and sample holder place plane is preferably 5~30cm, and more preferably 8
~20cm, most preferably 10~15cm.The present invention does not have special restriction to the species of the light source, using people in the art
It is used for light-catalysed light source known to member.In an embodiment of the present invention, the light source includes the fluorescent tube be arrangeding in parallel；Institute
One kind in xenon lamp, incandescent lamp, Halogen lamp LED, fluorescent lamp, dysprosium lamp, mercury lamp and LED can specifically be included by stating fluorescent tube.In the present invention
In, the wattage of the fluorescent tube is preferably 5~2000W, more preferably 10-1000W, most preferably 50~500W.The present invention is to institute
Stating the quantity of fluorescent tube does not have special restriction, is adjusted according to actual needs.In the present invention, the quantity of the fluorescent tube
Preferably 1~200, most preferably more preferably 5~100,10~50.In an embodiment of the present invention, when affiliated lamp
When the quantity of pipe is more than 3, the fluorescent tube is in equidistantly to be uniformly distributed.
In one embodiment of the invention, it is provided with cold wind blower 14 above the fluorescent tube.The present invention is blown described
The distance of air-cooling device and fluorescent tube does not have special restriction, is adjusted according to actual needs.In the present invention, it is described
The distance of cold wind blower and fluorescent tube is preferably 5~30cm, more preferably 10~25cm, most preferably 15~20cm.At this
In invention, 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 visible 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 visible 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 light 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) light source is opened, light is impinged upon catalysis material surface through ultraviolet filter and carries out light-catalyzed reaction, determine light and urge
Change pollutant concentration in the front and rear treatment sewage of reaction.
Catalysis material is placed on sample holder by the present invention, the catalysis material is had the one side of catalytic activity
Towards light source.The present invention does not have special restriction to the species of the catalysis material, using well known to those skilled in the art
Catalysis material.In the present invention, the catalysis material be preferably film material, fabric shape material, sheet material or
Sheet material.In the present invention, the catalysis material preferably inserts sample holder by sample test plate insert port, passes through stopper slot
Fixed with the support bar of both sides.
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 light source, light is impinged upon catalysis material table through ultraviolet filter
Face carries out light-catalyzed reaction, pollutant concentration in treatment sewage before and after measure light-catalyzed reaction.The present invention is to the pollutant
The assay method of concentration does not have special restriction, using the method for measure material concentration well known to those skilled in the art.
In the present invention, the measure of the pollutant concentration preferably includes ultraviolet-uisible spectrophotometer determination method, high performance liquid chromatography
Analytic approach, HPLC-MS analytic approach, gas chromatography-mass spectrometry, COD Determination Method, biology
One or more in oxygen demand determination method, total content of organic carbon determination method and titration.In the present invention, it is certain by determining
Concentration of the treatment sewage in light-catalyzed reaction front and rear pollutant for a period of time is measured, to evaluate the water process of catalysis material
Energy.
In order to further illustrate the present invention, light is urged under the visible 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 device of visible optical drive catalysis material water treatmenting performance is evaluated in the present embodiment to be included tank, is vertically installed in
Sample holder above the tank, the optical filter rack and light source that are set successively parallel to the sample holder, with
And water circulation system；Ultraviolet filter is placed with the optical filter rack；The water circulation system includes oral siphon, water pump
And weep pipe；Water inlet of the two ends of the oral siphon respectively with bottom of gullet and water pump is connected；One end of the weep pipe with
The delivery port connection of water pump, other end closure；The weep pipe is set in parallel in directly over the sample holder, and the drop
Osculum is provided with the water 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 optical filter rack of the side of sample holder
The optical filter of upper placement is 400 nanometers, can filter less than 400 nanometers of ultraviolet light.
The opposite side of optical filter rack be provided with parallel 1 fluorescent tube of plane where it, the two ends of fluorescent tube respectively with sample
The side of product fixed mount two is fixed, and fluorescent tube is 500W xenon lamp.The distance of fluorescent tube and plane where sample holder is 10cm.Fluorescent tube
Cold wind blower is provided with the 15cm of top.
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 device in embodiment 1, water process is carried out to the photocatalysis non-woven fabrics for loading 2wt% graphite phase carbon nitrides
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 5L 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% stones
Water treatmenting performance of the photocatalysis non-woven fabrics of black phase carbon nitride under visible optical drive.
Embodiment 3：
Optical filter in evaluating apparatus in embodiment 1 is replaced by 420nm, less than 420 nanometers of ultraviolet light is filtered, it is right
The photocatalysis non-woven fabrics for loading 2wt% nitrogen-doped titanium dioxides 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% nitrogen
Water treatmenting performance of the titania-doped photocatalysis non-woven fabrics under visible optical drive.
Embodiment 4：
By the incandescent lamp that the lamp tube replacement in the evaluating apparatus in embodiment 1 is 100W, optical filter is replaced by 380nm, filters
Fall less than 380 nanometers of ultraviolet light, carrying out water treatmenting performance to loading the 3wt% photocatalysis nickel foam of graphite phase carbon nitride comments
Valency：
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 3L 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 6.5 hours up to 89%.
Embodiment 5：
By the xenon lamp that the lamp tube replacement in the evaluating apparatus in embodiment 1 is 300W, optical filter is replaced by 380nm, filtered
Less than 380 nanometers of ultraviolet light, is commented loading the 3wt% photocatalytic fiber net progress water treatmenting performance of graphite phase carbon nitride
Valency：
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 cistosulfa aqueous solution 4L of mol/L concentration, opens water pump and regulation Flow-rate adjustment
Water uniformly flow on sample test plate and flowed down along its surface to 8L/min by valve；
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 3wt% photocatalytic fiber net degradation rate of 15 hours of graphite phase carbon nitride reaches
91%.
Embodiment 6：
Water-filling is entered to the photocatalytic fiber net for loading 3wt% graphite phase carbon nitride using the evaluating apparatus in embodiment 1
Process 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 rhodamine B aqueous solution 5L of mol/L concentration, open water pump and regulation flow control valve to
Water, uniformly flow on sample test plate and is flowed down along its surface by 8L/min；
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 7.5 hours up to 94%.
As can be seen from the above embodiments, catalysis material water treatmenting performance under the visible 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, and can be used in not sharing the same light
The comparison of photocatalysis performance between catalysis material.
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 visible optical drive, including tank, be vertically installed in it is described
Sample holder above tank, optical filter rack and light source, Yi Jishui successively parallel to sample holder setting
The circulatory system；Ultraviolet filter is placed with the optical filter rack；
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 optical filter rack and sample holder place
The distance of plane is 3~10cm.
4. device according to claim 1 or 2, it is characterised in that the light source and plane where sample holder away from
From for 5~30cm.
5. device according to claim 4, it is characterised in that the light source includes the fluorescent tube be arrangeding in parallel.
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 visible 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 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) light source is opened, light is impinged upon catalysis material surface through ultraviolet filter and carries out light-catalyzed reaction, determine photocatalysis anti-
Pollutant concentration in treatment sewage before and after answering.
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