CN109534566A - A kind of ultrasonic wave photocatalysis apparatus and its method for handling Organic Pollutants In Water - Google Patents
A kind of ultrasonic wave photocatalysis apparatus and its method for handling Organic Pollutants In Water Download PDFInfo
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- CN109534566A CN109534566A CN201811563947.8A CN201811563947A CN109534566A CN 109534566 A CN109534566 A CN 109534566A CN 201811563947 A CN201811563947 A CN 201811563947A CN 109534566 A CN109534566 A CN 109534566A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 195
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 76
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 73
- 239000002957 persistent organic pollutant Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010992 reflux Methods 0.000 claims abstract description 35
- 239000003054 catalyst Substances 0.000 claims abstract description 33
- 238000003756 stirring Methods 0.000 claims abstract description 32
- 230000005855 radiation Effects 0.000 claims abstract description 16
- 238000009826 distribution Methods 0.000 claims abstract description 11
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 11
- 231100000719 pollutant Toxicity 0.000 claims abstract description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 32
- 238000002604 ultrasonography Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 abstract description 14
- 230000015556 catabolic process Effects 0.000 abstract description 9
- 238000006731 degradation reaction Methods 0.000 abstract description 9
- 150000003254 radicals Chemical class 0.000 abstract description 6
- 238000005054 agglomeration Methods 0.000 abstract description 4
- 230000002776 aggregation Effects 0.000 abstract description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 12
- 230000000694 effects Effects 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 9
- 238000005273 aeration Methods 0.000 description 8
- 238000006555 catalytic reaction Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000000149 chemical water pollutant Substances 0.000 description 7
- 238000005070 sampling Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 239000006228 supernatant Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 235000020681 well water Nutrition 0.000 description 2
- 239000002349 well water Substances 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a kind of ultrasonic wave photocatalysis apparatus and its methods for handling Organic Pollutants In Water.Ultrasonic wave photocatalysis apparatus includes catalyzing container, photocatalysis lamp, electric mixer, supersonic generator, water distributor and reflux pump.Electric mixer is arranged in catalyzing container, and for stirring water body.The sound wave of supersonic generator generates end and is arranged in catalyzing container, and for generating ultrasonic wave to radiate water body.Water distributor is arranged in catalyzing container, and for the water distribution uniformity in catalyzing container.Reflux pump water inlet end is connected to catalyzing container, and water outlet is connected to water distributor.The present invention passes through setting supersonic generator, to generate ultrasonic wave, to carry out Ultrasonic Radiation to water body, the generation of catalyst agglomeration can be effectively reduced, the pollutant for preventing catalyst surface from adsorbing simultaneously reaches saturation, and the catalytic effect of catalyst is improved, and improve light-catalysed free radical generation rate, to accelerate the catalytic degradation to organic pollutant.
Description
Technical field
The present invention relates to a kind of photocatalysis apparatus of environmental protection technical field more particularly to a kind of water body can be effectively treated
The ultrasonic wave photocatalysis apparatus of middle organic pollutant and its method for handling Organic Pollutants In Water.
Background technique
At present water treatment field and air contaminant treatment industry to organic matter, oxynitrides and its with it is many inorganic
Object chelating derive from complicated organic matter processing method it is very much, including biodegrade, physical absorption and with chemistry redox,
Light electrolysis, electrolysis, photocatalysis, the high-level oxidation technology that acousto-optic joint catalysis oxidation etc. is representative, wherein photocatalysis as water or
The new technology of sewage treatment has the advantage that first is that as most widely used high-activity photocatalyst --- titanium dioxide tool
Have the advantages that stability is good, nontoxic, cheap；Second is that titanium dioxide has extremely strong oxidation-reduction under ultraviolet irradiation
Effect destroys the various bacteriums of photocatalyst surface and pollutant.
But, there are following defect in current photocatalysis independent role device, when single photocatalysis apparatus degradation of contaminant:
1. catalyst be it is static, cannot sufficiently and water pollutant contact；2. catalyst is easily reunited；3. catalyst surface adsorbs
Pollutant easily reach saturation；4. single light-catalysed free radical generation rate is not high.Therefore, single photocatalytic pollutant degradation
Effect is undesirable.
Summary of the invention
Problem in view of the prior art, the present invention provide a kind of ultrasonic glistening light of waves that Organic Pollutants In Water can be effectively treated
Catalytic unit and its method for handling Organic Pollutants In Water, it is undesirable with the effect for alleviating single photocatalytic pollutant degradation
The problem of.
The present invention is implemented with the following technical solutions: a kind of ultrasonic glistening light of waves that Organic Pollutants In Water can be effectively treated is urged
Makeup is set comprising:
Catalyzing container is used to accommodate the water body；
Photocatalysis lamp, is suspended on the roof of catalyzing container, and for shining to be catalyzed organic dirt in the water body
Contaminate the decomposition of object；
Electric mixer is arranged in catalyzing container, and for stirring the water body；
Supersonic generator, sound wave generate end and are arranged in catalyzing container, and described to radiate for generating ultrasonic wave
Water body；
Water distributor is arranged in catalyzing container, and for the water distribution uniformity in catalyzing container；And
Reflux pump, water inlet end are connected to catalyzing container, and water outlet is connected to water distributor；Reflux pump is for drawing in catalyzing container
The water body, and the water body is delivered in water distributor together with original water inlet of water distributor.
As a further improvement of the foregoing solution, the bottom of catalyzing container opens up air inlet；It is described that water body can be effectively treated
The ultrasonic wave photocatalysis apparatus of middle organic pollutant further include:
Force (forcing) pump is used to supply to air inlet.
As a further improvement of the foregoing solution, catalyzing container is cylinder made of glass reinforced plastic, and the side wall of the cylinder
On open up multiple sample taps；Axial spaced set of multiple sample taps along the cylinder.
As a further improvement of the foregoing solution, supersonic generator be frequency, the adjustable supersonic generator of the sound intensity,
And there is ultrasound wave vibrating bar, the ultrasound wave vibrating bar is arranged in catalyzing container.
As a further improvement of the foregoing solution, photocatalysis lamp is high-pressure sodium lamp or ultraviolet lamp.
As a further improvement of the foregoing solution, reflux pump is respectively communicated with water distributor by least two water inlet lines and urges
Change container；Two water inlet lines are equipped with before water distributor and reflux pump, and wherein a water inlet line is mounted on another water inlet
On the side wall of pipeline.
As a further improvement of the foregoing solution, water distributor includes the disk and multiple spray heads with hollow structure, circle
Disk is connected to the water outlet of reflux pump, and multiple spray heads are uniformly mounted on disk and down-set.
As a further improvement of the foregoing solution, electric mixer includes motor, stirring rod and multiple stirring blades；It stirs
It mixes bar to be rotatably installed in catalyzing container, and bottom end is located in the water body；Multiple stirring blades are fitted around in stirring rod
On bottom end；The motor drives stirring blade to rotate around stirring rod for driving stirring rod to rotate, to stir the water body.
The present invention also provides a kind of method that Organic Pollutants In Water can be effectively treated, using it is above-mentioned arbitrarily can be effective
The ultrasonic wave photocatalysis apparatus of Organic Pollutants In Water is handled, and for handling rubbish sepage；The rubbish sepage, which is placed in, urges
Change container in, the method that Organic Pollutants In Water can be effectively treated the following steps are included:
Catalyst is added into the rubbish sepage and is stirred by electric mixer, to form mixed liquor；Wherein,
The catalyst is nano-TiO2Or dopen Nano reagent；
NaOH solution or H are added into the mixed liquor2SO4Solution, to adjust the pH value of the mixed liquor；
The mixed liquor is radiated by photocatalysis lamp；
Ultrasonic Radiation is carried out to the mixed liquor using supersonic generator；
Driving reflux pump work, makes water distributor water distribution uniformity in catalyzing container；
The COD removal rate of the primary mixed liquor is measured every a preset time, and reaches pre- in the COD removal rate
If being ended processing after removal rate.
As a further improvement of the foregoing solution, the nano-TiO of the mixed liquor2Concentration is 0.6g/L, photocatalysis lamp
Light intensity is 20 μ W/cm2, the vibration frequency of supersonic generator is 20kHz, and the flow of reflux pump is 1L/min, the mixed liquor
PH value be 3.2；Wherein, the processing time for handling organic pollutant in the rubbish sepage is 120min.
The ultrasonic wave photocatalysis apparatus that Organic Pollutants In Water can be effectively treated of the invention and its processing method, pass through
Electric mixer is stirred water body, mixes well water body with catalyst, to enable catalyst sufficiently and water
Organic pollutant contact in body, and organic pollutant is catalytically decomposed using the radiation energy of photocatalysis lamp, to realize
The purpose of degradable organic pollutant.In the present invention, by be arranged supersonic generator, to generate ultrasonic wave, with to water body into
Row Ultrasonic Radiation, can be effectively reduced the generation of catalyst agglomeration, while the pollutant for preventing catalyst surface from adsorbing reaches
To saturation, and the catalytic effect of catalyst is improved, and improve light-catalysed free radical generation rate, to accelerate to organic contamination
The catalytic degradation of object.Also, the present invention also passes through reflux pump and water distributor, the water distribution uniformity in catalyzing container, and water body is formed
The circuit of closure to form running water state increases residence time of the water body in container, further makes water body and catalyst
It comes into full contact with, while accelerating photocatalysis, and then promote photocatalysis effect.
Detailed description of the invention
Fig. 1 is the knot of the ultrasonic wave photocatalysis apparatus that Organic Pollutants In Water can be effectively treated of the embodiment of the present invention 1
Structure schematic diagram；
Fig. 2 is the knot of the ultrasonic wave photocatalysis apparatus that Organic Pollutants In Water can be effectively treated of the embodiment of the present invention 2
Structure schematic diagram；
Fig. 3 is the knot of the ultrasonic wave photocatalysis apparatus that Organic Pollutants In Water can be effectively treated of the embodiment of the present invention 3
Structure schematic diagram；
Fig. 4 is the front view of the ultrasonic wave photocatalysis apparatus in Fig. 3.
Symbol description:
1 supersonic generator, 12 sample tap
2 electric mixer, 13 spray head
3 photocatalysis lamp, 14 aeration tube
4 water distributor, 15 stirring rod
5 reflux pump, 16 stirring blade
6 water inlet line, 17 scale strip
7 force (forcing) pump, 18 adding of agent funnel
8 air inlet, 19 valve
9 go out 20 display screen of liquid switch
10 catalyzing container, 21 pH sensor
11 disks
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment 1
Referring to Fig. 1, present embodiments providing a kind of ultrasonic wave photocatalysis that Organic Pollutants In Water can be effectively treated
Device, can be with the organic pollutant in catalytic degradation water body.The ultrasonic wave photocatalysis apparatus includes catalyzing container 10, photocatalysis
Lamp 3, electric mixer 2, supersonic generator 1, water distributor 4, reflux pump 5 and force (forcing) pump 7.In the present embodiment, photocatalysis
Agent is preferably nano-TiO2Or dopen Nano reagent, certainly in other embodiments, photochemical catalyst is also an option that zinc oxide, oxygen
Change many oxides or the sulfide semiconductors such as tin, zirconium dioxide, cadmium sulfide.
Catalyzing container 10 is the container to water body catalysis reaction for accommodating water body.Catalyzing container 10 can be selected
Existing catalysis bucket, and anticorrosion antioxidizing paint can be coated on the inner wall of catalyzing container 10, corrode oxygen to avoid water body
Change catalyzing container 10.In the present embodiment, catalyzing container 10 can be cylinder made of glass reinforced plastic, and the volume of cylinder is 20L, so as to
In the enough water bodys of receiving.Multiple sample taps 12 are opened up on the side wall of cylinder, multiple sample taps 12 are between axial direction of cylinder etc.
Away from setting.Wherein it is possible to which installing one on each sample tap 12 goes out liquid switch 9, to control the disengaging of 12 liquid of sample tap.?
In the present embodiment, liquid switch 9 is preferably leading out, and faucet is distributed in staged, holds in order to place sampling under a faucet
Device, such as place glass.
Photocatalysis lamp 3 is suspended on the roof of catalyzing container 10, and for shining to be catalyzed the organic pollutant in water body
Decomposition.In the present embodiment, photocatalysis lamp 3 can be high-pressure sodium lamp or ultraviolet lamp.Photocatalysis lamp 3 can be catalyst into urging
Change effect provides luminous energy, and due to nano-TiO2Particle it is small-sized, so electronics is easier to be diffused into plane of crystal,
2 different pieces of uncharged plane of crystal originally are caused opposite polarity 2 microcells, i.e. light induced electron and photoproduction occur
Hole.Since light induced electron and photohole all have very strong energy, it is much higher by the strand of general organic pollutant
Intensity, it is possible to organic pollutant be resolved into the state of most original easily, to realize to Organic Pollutants In Water
It decomposes.
Electric mixer 2 is arranged in catalyzing container 10, and for stirring water body.Electric mixer 2 can use existing
Electric mixer, and according to the inside dimension of catalyzing container 10 carry out type selecting.Wherein, electric mixer 2 may include motor,
Stirring rod 15 and multiple stirring blades 16.Stirring rod 15 is rotatably installed in catalyzing container 10, and bottom end is located in water body；It is more
A stirring blade 16 is fitted around on the bottom end of stirring rod 15.Motor drives paddle for driving stirring rod 15 to rotate
Piece 16 is rotated around stirring rod 15, to stir water body.Electric mixer 2 is adequately stirred water body, makes catalyst and water body
It is adequately contacted and is mixed, catalyst is enable to be adequately exposed to organic pollutant, and carry out adequately catalysis reaction.
The sound wave of supersonic generator 1 generates end and is arranged in catalyzing container 10, and for generating ultrasonic wave to radiate water
Body.Supersonic generator 1 can be frequency, the adjustable supersonic generator of the sound intensity, and have ultrasound wave vibrating bar and ultrasonic wave
Signal source, ultrasound wave vibrating bar setting are transferred to water body in catalyzing container 10, and by the ultrasonic wave that ultrasonic signal source generates
In.Supersonic generator 1 can adjust frequency and power by oscilloscope display waveform, while by wave band adjuster.Ultrasonic wave
Generator 1 passes through the ultrasonic wave generated, to carry out Ultrasonic Radiation to water body, so that the organic pollutant in catalyst and water body
It comes into full contact with, the generation of catalyst agglomeration can be effectively reduced, while the pollutant for preventing catalyst surface from adsorbing reaches full
With, and the catalytic effect of catalyst is improved, and improve light-catalysed free radical generation rate, to accelerate to organic pollutant
Catalytic degradation.
Water distributor 4 is arranged in catalyzing container 10, and for the water distribution uniformity in catalyzing container 10.Water distributor 4 can be used
Existing water distributor can draw the water body in catalyzing container 10, and water body is evenly distributed on again in catalyzing container 10.At this
In embodiment, water distributor 4 may include the disk 11 and multiple spray heads 13 with hollow structure, and hollow structure can be with water storage.Circle
Disk 11 is connected to the water outlet of reflux pump 5, and multiple spray heads 13 are uniformly mounted on disk 11 and down-set.In this way, disk 11
Interior water body can be ejected by spray head 13 under the effect of the pressure, to achieve the effect that water distribution uniformity.
The water inlet end of reflux pump 5 is connected to catalyzing container 10, and water outlet is connected to water distributor 4.Reflux pump 5 holds for drawing catalysis
Water body in device 10, and the water body is delivered in water distributor 4 together with original water inlet of water distributor 4.Wherein, reflux pump 5
Water distributor 4 and catalyzing container 10 can be respectively communicated with by least two water inlet lines 6.Two are equipped with before water distributor 4 and reflux pump 5
Root water inlet line 6, and wherein a water inlet line 6 is mounted on the side wall of another water inlet line 6, in this way, can also pass through
The end of another water inlet line 6 is supplied water, to increase the volume of water body in catalyzing container 10.Moreover, by reflux pump 5 with
For water distributor 4 while 10 water distribution uniformity of catalyzing container, water body also forms the circuit of closure, to form running water state, increases
Residence time of the water body in container, further come into full contact with water body with catalyst, while accelerating photocatalysis, into
And promote photocatalysis effect.
The bottom of catalyzing container 10 can open up air inlet 8, and air inlet 8 can be by being evenly distributed on 10 bottom wall of catalyzing container
On multiple air inlets composition.Multiple air inlets pass through the outlet side of a tracheae connection force (forcing) pump 7, i.e. force (forcing) pump 7 is used for
It supplies to air inlet 8, and is aerated in the bottom of catalyzing container 10, to accelerate light-catalyzed reaction, improve organic pollutant
Decomposition rate.Existing gas booster pump can be used in force (forcing) pump 7, to be aerated to water body.
In conclusion Organic Pollutants In Water can be effectively treated in the present embodiment compared to existing photocatalysis apparatus
Ultrasonic wave photocatalysis apparatus have the advantage that
The ultrasonic wave photocatalysis apparatus that Organic Pollutants In Water can be effectively treated of the present embodiment, passes through electric mixer
2 pairs of water bodys are stirred, and mix well water body with catalyst, thus enable catalyst sufficiently with it is organic in water body
Pollutant contact, and organic pollutant is catalytically decomposed using the radiation energy of photocatalysis lamp 3, to realize organic dirt of degrading
Contaminate the purpose of object.
In the present embodiment, the device is by setting supersonic generator 1, to generate ultrasonic wave, to surpass to water body
Acoustic irradiation, can be effectively reduced the generation of catalyst agglomeration, while the pollutant for preventing catalyst surface from adsorbing reaches full
With, and the catalytic effect of catalyst is improved, and improve light-catalysed free radical generation rate, to accelerate to organic pollutant
Catalytic degradation.
Also, catalytic unit provided in this embodiment also passes through setting reflux pump 5 and water distributor 4, in catalyzing container 10
Water distribution uniformity, and water body forms the circuit of closure, to form running water state, increases residence time of the water body in container,
It further comes into full contact with water body with catalyst, while accelerating photocatalysis, and then promote photocatalysis effect.
Embodiment 2
Referring to Fig. 2, present embodiments providing a kind of ultrasonic wave photocatalysis that Organic Pollutants In Water can be effectively treated
Device, similar to the device of embodiment 1, difference is not opening up air inlet 8 in this present embodiment, and increases aeration tube
14。
Multiple solarization air caps are opened up on aeration tube 14, and are arranged on the bottom wall of catalyzing container 10, wherein aeration tube 14 can lead to
The modes such as welding, clamping are crossed to be installed.Aeration tube 14 is connected to force (forcing) pump 7, and force (forcing) pump 7 is supplied to aeration tube 14, makes to expose
Tracheae 14 is aerated water body.In this way, catalytic unit provided in this embodiment can be with relative to the catalytic unit that embodiment 1 provides
Aeration tube 14 is dismantled, in order to clean and repair, meanwhile, the quantity of aeration tube 14 can be set to multiple, and set in parallel
It sets on the bottom wall of catalyzing container 10, to be sufficiently aerated to water body.
Embodiment 3
Fig. 3 and Fig. 4 is please referred to, a kind of ultrasonic wave that Organic Pollutants In Water can be effectively treated is present embodiments provided
Photocatalysis apparatus, increase on the basis of embodiment 1 scale strip 17, adding of agent funnel 18, valve 19, display screen 20 with
And pH sensor 21.
Catalyzing container 10 is transparent vessel in the present embodiment, and is arranged on the side wall of catalyzing container 10 perpendicular to bottom wall
Scale strip 17, scale strip 17 are used to show the volume of water body.In this way, user can be according on scale strip 17 when adding water body
The scale of display is grasped the volume of water body in catalyzing container 10, to prevent excessive addition, while being also convenient in catalyzing container 10
Water body is supplemented when water body is very few.
The quarrel of adding of agent funnel 18 is arranged upward, and discharge port is arranged in the inner cavity top of catalyzing container 10.?
When adding water body to catalyzing container 10, user can insert water body to the quarrel of adding of agent funnel 18, to increase catalyzing container 10
In water body.It can be easy to use in this way in order to 10 liquid feeding of catalyzing container.Valve 19 adds funnel 18 for regulating agent
Channel sized can be closed adding of agent funnel 18 in order to control the uninterrupted of feed liquor, while when carrying out catalysis reaction.
PH sensor 21 is mounted in catalyzing container 10, and the pH value for detecting water body in catalyzing container 10.Display screen
20 are mounted on the outer wall of catalyzing container 10, and the pH value detected for showing pH sensor 21, in order to which user grasps in real time
The pH value of water body, meanwhile, pH can be also opened up on the side wall of catalyzing container 10 and adjusts mouth, and user can adjust mouth to urging by pH
Change and add acid solution or lye in container 10, to adjust the pH value of water body.
Embodiment 4
A kind of method that Organic Pollutants In Water can be effectively treated is present embodiments provided, in Application Example 1-3
The catalytic unit of any one embodiment, and for handling rubbish sepage.Wherein, rubbish sepage is placed in catalyzing container 10, energy
The method of Organic Pollutants In Water is effectively treated the following steps are included:
Step 1: catalyst is added into rubbish sepage and is stirred by electric mixer 2, to form mixed liquor；
Wherein, catalyst is nano-TiO2Or dopen Nano reagent；
Step 2: NaOH solution or H are added into mixed liquor2SO4Solution, to adjust the pH value of mixed liquor；
Step 3: being radiated by photocatalysis lamp 3 to mixed liquor；
Step 4: carrying out Ultrasonic Radiation to mixed liquor using supersonic generator 1；
Step 5: driving reflux pump 5 works, make the water distribution uniformity in catalyzing container 10 of water distributor 4；
Step 6: every the COD removal rate of a preset time measurement mixed once liquid, and reach pre- in COD removal rate
If being ended processing after removal rate.
Based on the above method, the present embodiment has carried out multiple groups experiment, and the effect of removal organic polluter is gone with detection device.
Experiment 1
The nano TiO 2 of certain mass is added into landfill leachate, so that the concentration of nano TiO 2 is in mixed liquor
0.6g/L, with NaOH solution and H2SO4Solution adjusts mixed liquor, makes its acidity 3.2, in addition single use supersonic generator 1
Ultrasound wave vibrating bar radiate mixed liquor, when the frequency of ultrasound wave vibrating bar is 20kHz, when the flow 1L/min of reflux pump 5, lead to
It crosses electric mixer 2 and is stirred liquid and be allowed to be sufficiently mixed.It is primary every 15min sampling, sample is put into centrifuge to remove
Solid, and take supernatant and react the COD value of front and back water body using GB11914-89 measurement.When reaching 120min between when treated,
Solution C OD removal rate is 13.25%.
Experiment 2
The nano TiO 2 of certain mass is added into landfill leachate, so that the concentration of nano TiO 2 is in mixed liquor
0.6g/L, with NaOH solution and H2SO4Solution adjusts mixed liquor, makes its acidity 3.2, and in addition single use photocatalysis lamp 3 radiates
Mixed liquor, when the light intensity of photocatalysis lamp 3 is 20 μ W/cm2, when the flow 1L/min of reflux pump 5, stirred by electric mixer 2
Mixed liquor is allowed to be sufficiently mixed.It is primary every 15min sampling, sample is put into centrifuge to remove solid, and take supernatant and
The COD value of reaction front and back water body is measured using GB11914-89.When reaching 120min between when treated, solution C OD removal rate is
67.32%.
Experiment 3
The nano TiO 2 of certain mass is added into landfill leachate, so that the concentration of nano TiO 2 is in mixed liquor
0.6g/L, with NaOH solution and H2SO4Solution adjusts mixed liquor, in addition uses 3 luminous radiation mixed liquor of photocatalysis lamp and use
The ultrasound wave vibrating bar of supersonic generator 1 radiates mixed liquor, when the light intensity of photocatalysis lamp 3 is 20 μ W/cm2, ultrasonic activation
The frequency of stick is 20kHz, when the flow 1L/min of reflux pump 5, is stirred liquid by electric mixer 2 and is allowed to be sufficiently mixed.
It is primary every 15min sampling, sample is put into centrifuge to remove solid, and take supernatant and measure using GB11914-89 anti-
Answer the COD value of front and back water body.When the pH of mixed liquor is up to 3.2, solution C OD removal rate is 98.64%.
Experiment 4
The nano TiO 2 of certain mass is added into landfill leachate, with NaOH solution and H2SO4Solution adjusts mixed liquor,
Make its acidity 3.2, in addition shakes using 3 luminous radiation mixed liquor of photocatalysis lamp and using the ultrasonic wave of supersonic generator 1
Dynamic stick radiates mixed liquor, when the light intensity of photocatalysis lamp 3 is 20 μ W/cm2, the frequency of ultrasound wave vibrating bar is 20kHz, reflux pump 5
Flow 1L/min when, liquid is stirred by electric mixer 2 and is allowed to be sufficiently mixed.It is primary every 15min sampling, by sample
Centrifuge is put into remove solid, and takes supernatant and reacts the COD value of front and back water body using GB11914-89 measurement.Work as mixing
When the concentration of nano TiO 2 is 0.6g/L in liquid, solution C OD removal rate is 98.64%.
Experiment 5
The nano-TiO of certain mass is added into landfill leachate2, so that the concentration of nano TiO 2 is in mixed liquor
0.6g/L, with NaOH solution and H2SO4Solution adjusts mixed liquor, makes its acidity 3.2, in addition uses 3 luminous radiation of photocatalysis lamp
Mixed liquor and the ultrasound wave vibrating bar radiation mixed liquor for using supersonic generator 1, when the light intensity of photocatalysis lamp 3 is 20 μ W/
cm2, when the flow 1L/min of reflux pump 5, liquid is stirred by electric mixer 2 and is allowed to be sufficiently mixed.It is sampled every 15min
Once, sample is put into centrifuge to remove solid, and takes supernatant and front and back water body is reacted using GB11914-89 measurement
COD value.When the frequency of ultrasound wave vibrating bar is 20kHz, solution C OD removal rate is 98.64%.
Experiment 6
The nano-TiO of certain mass is added into landfill leachate2, so that the concentration of nano TiO 2 is in mixed liquor
0.6g/L, with NaOH solution and H2SO4Solution adjusts mixed liquor, makes its acidity 3.2, in addition uses 3 luminous radiation of photocatalysis lamp
Mixed liquor and the ultrasound wave vibrating bar radiation mixed liquor for using supersonic generator 1, when the light intensity of photocatalysis lamp 3 is 20 μ W/
cm2, when the frequency of ultrasound wave vibrating bar is 20kHz, liquid is stirred by electric mixer 2 and is allowed to be sufficiently mixed.Every
15min sampling is primary, sample is put into centrifuge to remove solid, and take supernatant and using GB11914-89 measurement reaction before
The COD value of water body afterwards.As the flow 1L/min of reflux pump 5, solution C OD removal rate is 98.64%.
Experiment 7
The nano TiO 2 of certain mass is added into landfill leachate, so that the concentration of nano TiO 2 is in mixed liquor
0.6g/L, with NaOH solution and H2SO4Solution adjusts mixed liquor, makes its acidity 3.2, in addition uses 3 luminous radiation of photocatalysis lamp
Mixed liquor and the ultrasound wave vibrating bar radiation mixed liquor for using supersonic generator 1, when the light intensity of photocatalysis lamp 3 is 20 μ W/
cm2, the frequency of ultrasound wave vibrating bar is 20kHz, when the flow 1L/min of reflux pump 5, is stirred liquid by electric mixer 2
It is allowed to be sufficiently mixed.It is primary every 15min sampling, sample is put into centrifuge to remove solid, and take supernatant and use
The COD value of GB11914-89 measurement reaction front and back water body.When reaching 120min between when treated, solution C OD removal rate is
98.64%.
By above-mentioned experiment 1-7 it can be found that when using both supersonic generator 1 and photocatalysis lamp 3 simultaneously, solution
COD removal rate is far longer than the solution C OD removal rate using one.Therefore, in practical applications, can be once arranged:
The nano-TiO of mixed liquor2Concentration is 0.6g/L, and the light intensity of photocatalysis lamp 3 is 20 μ W/cm2, the vibration frequency of supersonic generator 1
For 20kHz, the flow of reflux pump 5 is 1L/min, and the pH value of mixed liquor is 3.2；Moreover, organic pollutant in processing rubbish sepage
The processing time be 120min.The method that Organic Pollutants In Water can be effectively treated of the present embodiment, can improve photocatalysis
Free radical generation rate, promote the effect of photocatalytic pollutant degradation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of ultrasonic wave photocatalysis apparatus that Organic Pollutants In Water can be effectively treated comprising:
Catalyzing container (10), is used to accommodate the water body；
Photocatalysis lamp (3), is suspended on the roof of catalyzing container (10), and organic in the water body to be catalyzed for shining
The decomposition of pollutant；
It is characterized in that, described can be effectively treated Organic Pollutants In Water ultrasonic wave photocatalysis apparatus further include:
Electric mixer (2) is arranged in catalyzing container (10), and for stirring the water body；
Supersonic generator (1), sound wave generate end and are arranged in catalyzing container (10), and for generating ultrasonic wave to radiate
State water body；
Water distributor (4) is arranged in catalyzing container (10), and for the water distribution uniformity in catalyzing container (10)；And
Reflux pump (5), water inlet end are connected to catalyzing container (10), and water outlet is connected to water distributor (4)；Reflux pump (5) is for drawing
The water body in catalyzing container (10), and original water inlet of the same water distributor of the water body (4) is delivered to water distributor (4) together
In.
2. the ultrasonic wave photocatalysis apparatus of Organic Pollutants In Water can be effectively treated as described in claim 1, feature exists
In the bottom of catalyzing container (10) opens up air inlet (8)；The ultrasonic glistening light of waves that Organic Pollutants In Water can be effectively treated is urged
Makeup is set further include:
Force (forcing) pump (7) is used to supply to air inlet (8).
3. the ultrasonic wave photocatalysis apparatus of Organic Pollutants In Water can be effectively treated as described in claim 1, feature exists
In catalyzing container (10) is cylinder made of glass reinforced plastic, and opens up multiple sample taps (12) on the side wall of the cylinder；It is multiple to take
Axial spaced set of the sample mouth (12) along the cylinder.
4. the ultrasonic wave photocatalysis apparatus of Organic Pollutants In Water can be effectively treated as described in claim 1, feature exists
In supersonic generator (1) is frequency, the adjustable supersonic generator of the sound intensity, and has ultrasound wave vibrating bar, the ultrasound
Wave vibrating head is arranged in catalyzing container (10).
5. the ultrasonic wave photocatalysis apparatus of Organic Pollutants In Water can be effectively treated as described in claim 1, feature exists
In photocatalysis lamp (3) is high-pressure sodium lamp or ultraviolet lamp.
6. the ultrasonic wave photocatalysis apparatus of Organic Pollutants In Water can be effectively treated as described in claim 1, feature exists
In reflux pump (5) is respectively communicated with water distributor (4) and catalyzing container (10) by least two water inlet lines (6)；Water distributor (4)
It is equipped with two water inlet lines (6) before with reflux pump (5), and wherein a water inlet line (6) is mounted on another water inlet line
(6) on side wall.
7. the ultrasonic wave photocatalysis apparatus of Organic Pollutants In Water can be effectively treated as described in claim 1, feature exists
In, water distributor (4) include the disk (11) and multiple spray heads (13) with hollow structure, disk (11) and reflux pump (5)
Water outlet connection, multiple spray heads (13) are uniformly mounted on disk (11) and down-set.
8. the ultrasonic wave photocatalysis apparatus of Organic Pollutants In Water can be effectively treated as described in claim 1, feature exists
In electric mixer (2) includes motor, stirring rod (15) and multiple stirring blades (16)；Stirring rod (15) is rotatably installed in
In catalyzing container (10), and bottom end is located in the water body；Multiple stirring blades (16) are fitted around at the bottom of stirring rod (15)
On end；The motor drives stirring blade (16) to rotate around stirring rod (15) for driving stirring rod (15) to rotate, with stirring
The water body.
9. a kind of method that Organic Pollutants In Water can be effectively treated, application is as described in any one of claim 1-8
The ultrasonic wave photocatalysis apparatus that Organic Pollutants In Water can be effectively treated, and for handling rubbish sepage；It is characterized in that,
The rubbish sepage is placed in catalyzing container (10), and the method that Organic Pollutants In Water can be effectively treated includes following step
It is rapid:
Catalyst is added into the rubbish sepage and is stirred by electric mixer (2), to form mixed liquor；Wherein,
The catalyst is nano-TiO2Or dopen Nano reagent；
NaOH solution or H are added into the mixed liquor2SO4Solution, to adjust the pH value of the mixed liquor；
The mixed liquor is radiated by photocatalysis lamp (3)；
Ultrasonic Radiation is carried out to the mixed liquor using supersonic generator (1)；
Reflux pump (5) work is driven, water distributor (4) water distribution uniformity in catalyzing container (10) is made；
The COD removal rate of the primary mixed liquor is measured every a preset time, and reaches default in the COD removal rate
Except being ended processing after rate.
10. the method for Organic Pollutants In Water can be effectively treated as claimed in claim 9, which is characterized in that the mixing
The nano-TiO of liquid2Concentration is 0.6g/L, and the light intensity of photocatalysis lamp (3) is 20 μ W/cm2, the vibration frequency of supersonic generator (1)
For 20kHz, the flow of reflux pump (5) is 1L/min, and the pH value of the mixed liquor is 3.2；Wherein, it handles in the rubbish sepage
The processing time of organic pollutant is 120min.
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| CN115286056A (en) * | 2022-08-12 | 2022-11-04 | 吉林建筑大学 | Catalytic degradation device for organic pollutants |
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