CN108483560A - A kind of photocatalytic water treatment device and a kind of photocatalytic treatment method - Google Patents
A kind of photocatalytic water treatment device and a kind of photocatalytic treatment method Download PDFInfo
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- CN108483560A CN108483560A CN201810571533.3A CN201810571533A CN108483560A CN 108483560 A CN108483560 A CN 108483560A CN 201810571533 A CN201810571533 A CN 201810571533A CN 108483560 A CN108483560 A CN 108483560A
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- Prior art keywords
- photocatalytic
- water treatment
- treatment device
- photocatalysis membrana
- photocatalysis
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 177
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000007146 photocatalysis Methods 0.000 claims abstract description 114
- 239000000835 fiber Substances 0.000 claims abstract description 35
- 239000002657 fibrous material Substances 0.000 claims abstract description 18
- 230000015556 catabolic process Effects 0.000 claims abstract description 17
- 238000006731 degradation reaction Methods 0.000 claims abstract description 17
- 230000003197 catalytic effect Effects 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 43
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 36
- 239000003054 catalyst Substances 0.000 claims description 32
- 238000007667 floating Methods 0.000 claims description 32
- 229910002804 graphite Inorganic materials 0.000 claims description 27
- 239000010439 graphite Substances 0.000 claims description 27
- -1 polyethylene Polymers 0.000 claims description 25
- 239000004408 titanium dioxide Substances 0.000 claims description 21
- 238000005286 illumination Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 13
- 239000010936 titanium Substances 0.000 claims description 13
- 229910052719 titanium Inorganic materials 0.000 claims description 13
- 238000005339 levitation Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 208000025339 heart septal defect Diseases 0.000 claims 1
- 239000010865 sewage Substances 0.000 abstract description 24
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 15
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 14
- 239000011574 phosphorus Substances 0.000 abstract description 14
- 239000002351 wastewater Substances 0.000 abstract description 14
- 230000006872 improvement Effects 0.000 abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- 238000006555 catalytic reaction Methods 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 13
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 239000011941 photocatalyst Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 241000790917 Dioxys <bee> Species 0.000 description 5
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000007655 standard test method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- IYZPEGVSBUNMBE-UHFFFAOYSA-N 2-[[5-[1-[3-[[carboxylatomethyl(carboxymethyl)azaniumyl]methyl]-4-hydroxy-5-methylphenyl]-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl]methyl-(carboxymethyl)azaniumyl]acetate Chemical compound OC(=O)CN(CC(O)=O)CC1=C(O)C(C)=CC(C2(C3=CC=CC=C3C(=O)O2)C=2C=C(CN(CC(O)=O)CC(O)=O)C(O)=C(C)C=2)=C1 IYZPEGVSBUNMBE-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 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
- 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
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
Abstract
The present invention provides a kind of photocatalytic water treatment device and photocatalytic treatment methods.Photocatalysis membrana can swim in water surface in device provided by the invention, utilization rate of the catalysis fibre to natural sunlight is effectively improved, degradation effect is improved, using sunlight as driving force, using the compatibility of photocatalytic fiber material and organic pollution, organic pollution is subjected to efficient catalytic degradation；And the photocatalytic fiber can swim in water surface, effectively improve utilization rate of the catalysis fibre to natural sunlight, improve degradation effect, efficient waste water control may be implemented.The experimental results showed that photocatalytic water treatment device provided by the invention so that content of organics is substantially reduced in sewage；Sewage see-through (SS) can not only be improved, reduce COD of sewage and BOD5, while total nitrogen and total phosphorus also play prodigious improvement.
Description
Technical field
The present invention relates to technical field of sewage, more particularly to a kind of photocatalytic water treatment device and a kind of photocatalysis water
Processing method.
Background technology
With the quickening of urbanization and process of industrialization, the pollution situation getting worse of China's water resource.The improvement of sewage
Problem has become Contemporary Environmental and works one of significant problem urgently to be resolved hurrily.The mode of sewage disposal has to dirt in the prior art
Water is aerated respectively, is precipitated and filtration treatment, and device therefor is complicated, and cost is high, and sewage treating efficiency is not
It is high；It can also use and add drug treatment regimes into sewage, although drug dosing method is simple and practicable, cost is more cheap,
But it can not be recycled, it be easy to cause secondary pollution.
Invention content
In view of this, the present invention provides a kind of photocatalytic water treatment devices and a kind of photocatalytic treatment method.This hair
The photocatalytic water treatment device of bright offer is simple in structure, Non-energy-consumption and not will produce secondary pollution.
In order to achieve the goal above, the present invention provides following technical schemes：
The present invention provides a kind of photocatalytic water treatment devices, including photocatalysis membrana, film support construction and levitation device；
The film support construction includes the first fixed column connected in sequence, the first drawstring, braced frame, the second drawstring and
Two fixed columns；
The braced frame includes the first connecting rope, the second connecting rope and the support bar of scalariform setting, first connection
Rope and the handrail that the second connecting rope is ladder configuration, support bar are the crossbeam of ladder configuration；
The photocatalytic fiber fabric is bonded fixation with the braced frame；The levitation device is connected to the photocatalysis
On fabric and/or the supporting frame.
Preferably, the levitation device includes several floating balls and several clump weights, and the floating ball and clump weight pass through drawstring
It is connected in photocatalysis membrana and/or braced frame；The photocatalytic water treatment device is in use, the floating ball is located at photocatalysis membrana
Top, the clump weight is located at the lower section of photocatalysis membrana.
Preferably, the both ends of the support bar are connected with the first connecting rope and the binding of the second connecting rope respectively；The support
The spaced and parallel arrangement of support bar in frame, the spacing distance of adjacent supports item independently are 0.5~3m.
Preferably, one end of each first connecting rope and second connecting rope is connected to by the first drawstring described
In first fixed column, the other end of each first rope and second rope is connected to described second by the second drawstring and fixes
On column；
The photocatalysis membrana is located in by fixing buckle in the first connecting rope and the second connecting rope of braced frame.
Preferably, include fibrous material and photochemical catalyst in the photocatalysis membrana component；The photochemical catalyst and undulation degree
The mass ratio of material is preferably (0.5~10):(90~99.5).
Preferably, the photocatalysis membrana is the non-woven fabrics of punching；The area in each hole independently is on the photocatalysis membrana
0.04~4cm2, the holes of adjacent holes is in the heart away from independently being 0.5~5cm；The gross area in hole is photocatalysis on the photocatalysis membrana
The 10~50% of the film gross area.
Preferably, the fibrous material includes polyester fiber, polyethylene fibre, Fypro, vinal, gathers
It is one or more in Dralon and polyvinyl chloride fibre；
The photochemical catalyst includes titanium dioxide, titanium dioxide-class graphite phase carbon nitride compound and titanium dioxide-class stone
It is one or more in black phase carbon nitride-metal phthalocyanine compound.
Preferably, the length of the photocatalysis membrana is 5~80m, and width is 0.3~5m, and thickness is 0.1~1cm；
The number of the fixing buckle is 25~1200；The distance of the adjacent fixing buckle independently is 5~20cm.
Preferably, face is set there are one clump weight under each floating ball；The number of the floating ball is 4~320, each counterweight
The quality of block be (0,0.5kg].
The present invention also provides a kind of methods of photocatalysis water process, at the photocatalysis water described in above-mentioned technical proposal
Device is managed, is included the following steps：
First fixed column in the photocatalytic water treatment device and the second fixed column are fixed on the bottom, pass through the sum of floating ball
The suspension effect of clump weight, photocatalysis membrana is suspended in accessing pending water in the photocatalytic water treatment device, under illumination condition,
Catalytic degradation is carried out to accessing pending water.
The present invention also provides a kind of methods of photocatalysis water process, at the photocatalysis water described in above-mentioned technical proposal
Device is managed, is included the following steps：
First fixed column in the photocatalytic water treatment device and the second fixed column are fixed on the bottom, pass through the sum of floating ball
The supporting role of clump weight, photocatalysis membrana is suspended in accessing pending water in the photocatalytic water treatment device, in illumination condition
Under, catalytic degradation is carried out to accessing pending water.
The present invention provides a kind of photocatalytic water treatment devices, include the photocatalysis membrana and film support construction of contact setting,
And levitation device；The film support construction includes the first fixed column connected in sequence, the first drawstring, braced frame, second draws
Rope and the second fixed column；The braced frame includes the first connecting rope, the second connecting rope and the support bar of scalariform setting, and described the
One connecting rope and the handrail that the second connecting rope is ladder configuration, support bar are the crossbeam of ladder configuration.
Photocatalysis membrana can swim in water surface in device provided by the invention, effectively improve catalysis fibre to the natural sun
The utilization rate of light improves degradation effect and utilizes the parent of photocatalytic fiber material and organic pollution using sunlight as driving force
And property, organic pollution is subjected to efficient catalytic degradation；And the photocatalytic fiber can swim in water surface, effectively improve and urge
Chemical fibre ties up the utilization rate to natural sunlight, improves degradation effect, efficient waste water control may be implemented.The experimental results showed that
Photocatalytic water treatment device provided by the invention so that content of organics is substantially reduced in sewage；Sewage see-through can not only be improved
(SS), COD of sewage and BOD are reduced5, while total nitrogen and total phosphorus also play prodigious improvement.
Description of the drawings
Fig. 1 is the structural schematic diagram that photocatalytic water treatment device of the present invention suspends in water；
Fig. 2 is photocatalysis treatment apparatus structure schematic diagram of the present invention；
In figure, 1 is fixed column, and 2 be support bar, and 3 be connecting rope, and 4 be fixing buckle, and 5 be drawstring, and 6 be floating ball, and 7 be counterweight
Block, 8 be photocatalysis membrana.
Specific implementation mode
The present invention provides a kind of photocatalytic water treatment devices, including photocatalysis membrana, film support construction and levitation device；
The film support construction includes the first fixed column connected in sequence, the first drawstring, braced frame, the second drawstring and
Two fixed columns；
The braced frame includes the first connecting rope, the second connecting rope and the support bar of scalariform setting, first connection
Rope and the handrail that the second connecting rope is ladder configuration, support bar are the crossbeam of ladder configuration；
The photocatalytic fiber fabric is bonded fixation with the braced frame；The levitation device is connected to the photocatalysis
On fabric and/or the supporting frame.
Photocatalytic water treatment device provided by the invention includes photocatalysis membrana, film support construction and suspension structure.
In the present invention, the photocatalysis membrana is preferably the non-woven fabrics punched；The area in each hole on the photocatalysis membrana
It is preferably independently 0.04~4cm2, more preferably 0.16~2.25cm2；The porose preferred phase of area of institute on the photocatalysis membrana
Deng.In the present invention, the hole of adjacent holes is in the heart away from being preferably independently 0.5~5cm on the photocatalysis membrana, further preferably
0.8~4cm, more preferably 1~3cm；All holes preferably equidistantly arrange on the photocatalysis membrana.In the present invention, the light
The gross area in hole is preferably the 10~50% of the photocatalysis membrana gross area, further preferably 15~45% in catalytic membrane, more preferably
It is 20~30%.The present invention does not have the shape in the hole on photocatalysis membrana special requirement, is adjusted according to use condition.
It is porous in the photocatalysis membrana to be provided with the flowing up and down in photocatalysis membrana conducive to water in the present invention, and then realize in sewage
The efficient catalytic of organic matter is degraded.
In the present invention, fibrous material and photochemical catalyst are preferably included in the photocatalysis membrana component.In the present invention, institute
The mass ratio for stating photochemical catalyst and fibrous material is preferably (0.5~10):(90~99.5), further preferably (1~10):
(90~99).
In the present invention, the photochemical catalyst preferably includes titanium dioxide, titanium dioxide-class graphite phase carbon nitride compound
With it is one or more in titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine compound.
In the present invention, when the photochemical catalyst includes titanium dioxide, the titanium dioxide is preferably Detitanium-ore-type dioxy
Change titanium, or the mixture for Detitanium-ore-type and rutile-type；The grain size of the titanium dioxide is preferably 5~800nm, further
Preferably 20~600nm, more preferably 50~500nm.The present invention does not have particular/special requirement to the source of the titanium dioxide, uses
Titanium dioxide well-known to those skilled in the art, it is specific such as commercially available titanium dioxide.
In the present invention, when the photochemical catalyst includes titanium dioxide-class graphite phase carbon nitride compound；The dioxy
It is preferably 100 to change titanium dioxide and the mass ratio of class graphite phase carbon nitride in titanium-class graphite phase carbon nitride compound:(2~
100), further preferably 100:(60~80), more preferably 100:(5~25)；The present invention is to the class graphite phase carbon nitride
(g-C3N4) type there is no particular/special requirement, preferably single layer class graphite phase carbon nitride or multilayer class graphite phase carbon nitride or both
Mixture；The thickness of the class graphite phase carbon nitride is preferably 0.3~50nm, further preferably 2~40nm, more preferably
5~30nm；The present invention is not particularly limited the source of the class graphite phase carbon nitride, uses commercially available class graphite phase carbon nitride
Commodity are prepared using method well known to those skilled in the art.
In the present invention, when the photochemical catalyst includes titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine compound；
Titanium dioxide, class graphite phase carbon nitride and metal phthalocyanine in the titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine compound
Mass ratio be preferably (45~74):(25~50):(0.5~6), further preferably (55~65):(30~40):(1~
5), more preferably 60:35:(2~3)；The present invention does not have particular/special requirement to the source of the metal phthalocyanine, uses commercially available metal
Phthalocyanine commodity are prepared using method well known to those skilled in the art；The titanium dioxide and the nitridation of class graphite-phase
The type of carbon and source are preferably consistent with said program.
In the present invention, the photochemical catalyst is preferably mixture one or more in above-mentioned several photochemical catalysts；When
The photochemical catalyst be mixture when, the present invention in the photocatalyst mixture photochemical catalyst type and mass ratio do not have
Particular/special requirement is mixed using the photochemical catalyst of any kind with arbitrary mass ratio.
When the photochemical catalyst is titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine compound, the present invention preferably presses
It is prepared according to the mode of composite photocatalyst disclosed in Chinese patent CN201610701918.8.
In the present invention, the fibrous material preferably includes polyester fiber, polyethylene fibre, Fypro, polyethylene
It is one or more in alcohol fiber, polyacrylonitrile fibre and polyvinyl chloride fibre.In the present invention, when the fibrous material includes
When above-mentioned a variety of, the present invention does not have the ratio of each component special restriction, is matched with arbitrary proportion.
The present invention does not have particular/special requirement to the shape and size of the photocatalysis membrana, is adjusted according to use condition.
In the present invention, the photocatalysis membrana is preferably rectangle；The length of the photocatalysis membrana is preferably 5~80m, further preferably
10~75m；The width of the photocatalysis membrana is preferably 0.3~5m, further preferably 1~4m；The thickness of the photocatalysis membrana
Preferably 0.1~1cm, further preferably 0.5~0.8cm.
In the present invention, the specific surface of the photocatalysis membrana is preferably 500~700cm2/ g, further preferably 550~
600cm2/g；The photocatalysis membrana large specific surface area, can swim in water surface, high to the utilization rate of illumination, have excellent
Photocatalysis performance.
In the present invention, after the impact for 24 hours of the water velocity of 2.8m/s, the macro morphology of the photocatalysis membrana and stretching
There is no apparent variation occurs for ultimate strength, it is seen that the photocatalysis membrana has preferable water-fast impact；In the water of 2.2m/s
Under flow velocity degree, the photocatalysis permeability of the membrane is good；Tension failure strength of the photocatalysis membrana before and after illumination 30 days is simultaneously
Do not occur significantly to change, there is preferable photostability.The water permeability of photocatalysis membrana of the present invention, water-fast impact
Can be good, stability is high, is conducive to waste water control under natural conditions.
In the present invention, the photocatalysis membrana has high activity hybrid photochemical catalyst with flexible fibrous material
Machine combines, and obtaining has visible light-responded photocatalytic fiber material；The photocatalysis membrana can effectively avoid the photoetch of material,
Realize river or the lake water quality purification of green high-efficient.
The present invention does not have particular/special requirement, use well-known to those skilled in the art the preparation method of the photocatalysis membrana
Mode is formed by photocatalytic fiber material preparation；Photocatalysis described in the component and above-mentioned technical proposal of the photocatalytic fiber material
Film is consistent.
In the present invention, the photocatalytic fiber material preferably according to Chinese patent CN201610693412.7,
The preparation method of photocatalytic fiber disclosed in CN201610696643.3 or CN201610693428.8 is prepared；Into one
Step, the photocatalytic fiber be specially core-sheath photocatalytic fiber disclosed in Chinese patent CN201610693412.7,
It is public in composite photocatalyst fiber or Chinese patent CN201610693428.8 disclosed in Chinese patent CN201610696643.3
The photocatalytic fiber opened.
In the present invention, the photocatalytic water treatment device includes film support construction；The film support construction includes sequentially
The first fixed column, the first drawstring, braced frame, the second drawstring and the second fixed column of connection.In the present invention, the support frame
Frame includes the first connecting rope, the second connecting rope and the support bar of scalariform setting, and first connecting rope and the second connecting rope are ladder
The handrail of shape structure, support bar are the crossbeam of ladder configuration.
In the present invention, the length of the support bar preferably >=width of photocatalysis membrana, it is ensured that pass through support bar and realize pair
The support of photocatalysis membrana, convenient for being suspended in water in the form of tiling；The both ends of the support bar are preferably connect with first respectively
Rope and the binding connection of the second connecting rope；First connecting rope and the second connecting rope are preferably arranged in parallel.In the present invention, described
For support bar preferably by arranged in parallel, the support bar is preferably vertical with two connecting ropes, is formed with two connecting ropes multiple
" day " font support unit realizes the support to photocatalysis membrana.In the present invention, the spacing distance of the adjacent support bar is preferred
For 0.5~3m, further preferably 1~2m；In the present invention, the both ends of first connecting rope and the second connecting rope are preferably tied
It ties up and is connected with support bar.
The present invention does not have the shape and size of the support bar special restriction, is adjusted according to use condition.
In the present invention, the face area of the support bar is preferably 4~25cm2, further preferably 9~16cm2；The support bar
Length is not less than the width of photocatalysis membrana, is positioned photocatalysis membrana with this.The present invention makes light by the braced frame
Catalytic membrane is laid in the form of extending on the water surface, utmostly receives illumination condition.
In the present invention, the photocatalysis membrana is preferably located in the first connecting rope and second of braced frame by fixing buckle
In connecting rope；The both sides of the photocatalysis membrana are further preferably located in the first connecting rope and the second connecting rope by fixing buckle
On, in conjunction with the supporting role of support bar, realization consolidates photocatalysis membrana.In the present invention, the photocatalysis membrana, first connect
The length of splicing and the second connecting rope is preferably equal.
In the present invention, the total number of the fixing buckle is preferably 34~3200, further preferably 100~1600
It is a, more preferably 134~500；Number for being located in the fixing buckle on two fixed ropes is preferably equal；It is two neighboring solid
The distance between fixed button is preferably independently 5~20cm, further preferably 8~18cm, more preferably 10~15cm；It is described solid
Fixed button preferably equidistantly distributes.
In the present invention, one end of each first connecting rope and second connecting rope is connected to by the first drawstring
In first fixed column, the other end of each first rope and second rope is connected to described second by the second drawstring
In fixed column, i.e., respectively there are one fixed columns for connection for the head and the tail of the first connecting rope and the second connecting rope.The present invention is using the light
When being catalyzed water treatment facilities to sewage progress catalytic degradation, first fixed column and the second fixed column are fixed on the bottom, realize
Positioning in sewage.The present invention does not have special restriction, material then to use art technology the material and size of fixed column
Material known to personnel, size are then adjusted according to actual needs.
In the present invention, the photocatalysis apparatus includes levitation device, and the levitation device preferably includes several floating balls
With several clump weights；The floating ball and clump weight are connected to photocatalysis membrana and/or braced frame by drawstring；When the floating ball
It when being connected in braced frame with clump weight, may be connected in the connecting rope of braced frame, braced frame can also be connected to
On support bar.In the present invention, the floating ball and clump weight are preferably connected to the both sides of photocatalysis membrana by drawstring, when the light
When catalytic membrane is located in both sides in the first connecting rope and the second connecting rope, the floating ball and clump weight are further connected by drawstring
It is connected in the first connecting rope and the second connecting rope.In the present invention, the floating ball is preferably placed at the top of photocatalysis membrana, contributes to
Suspension of the photocatalysis membrana in the water surface；The clump weight is preferably placed at the lower section of photocatalysis membrana, for controlling photocatalysis membrana in water
State, the clump weight is used for controlling the state of photocatalysis membrana in water, can be adjusted by adjusting the quality of clump weight
The depth of photocatalysis membrana in water.
In the present invention, face is set there are one clump weight under each floating ball；The total number of the floating ball is preferably 4~320
It is a, further preferably 50~200；When the floating ball and clump weight are connected in the first connecting rope and the second connecting rope,
The number for being connected to the first connecting rope and the floating ball in the second connecting rope is preferably equal, and the floating ball face in two connecting ropes is set
It sets, stable equilibrant force is provided for the suspension of photocatalysis membrana.In the present invention, the quality of each clump weight be preferably (0,
0.5kg], further preferably 0.1~0.4kg, more preferably 0.2~0.35kg.The present invention is to the floating ball and clump weight
Source does not have particular/special requirement, using well-known to those skilled in the art.
The present invention induction can generate a variety of work such as hydroxyl radical free radical, superoxide radical under illumination condition on photochemical catalyst
Property kind, convert light energy into chemical energy, the organic pollution in Synergistic degradation water body, and effectively reduce COD and BOD5。
The present invention also provides a kind of methods of photocatalysis water process, use photocatalysis water process described in above-mentioned technical proposal
Device includes the following steps：
First fixed column in the photocatalytic water treatment device and the second fixed column are fixed on the bottom, pass through the sum of floating ball
The suspension effect of clump weight, photocatalysis membrana is suspended in accessing pending water in the photocatalytic water treatment device, in illumination condition
Under, catalytic degradation is carried out to accessing pending water.
The present invention by the photocatalytic water treatment device the first fixed column and the second fixed column be fixed on the bottom；This hair
It is bright there is no particular/special requirement by the way of known to art technology the fixed form.The present invention is urged using the light
When water chemical treatment device carries out water process, floating ball is located at the top of photocatalysis membrana in the photocatalytic water treatment device；It is described to match
Pouring weight is located at the lower section of photocatalysis membrana.
In the present invention, vertical range of the levitation position of the photocatalysis membrana in water away from the water surface as desired by with
The change of pouring weight quality and number is adjusted；The vertical range is preferably 2~15cm, further preferably 5~10cm.
In the present invention, the photocatalytic water treatment device carries out catalytic degradation under illumination condition to accessing pending water.This
Invention does not have particular/special requirement, this field arbitrarily to need the sewage of catalytic degradation in the source of accessing pending water.In the present invention, institute
It is preferably 38~50mg/L, BOD to state COD in accessing pending water5Preferably 16~20mg/L, ammonia nitrogen concentration are preferably 1.8~3mg/
L, total phosphorus concentration are preferably 0.5~1mg/L.In the present invention, the photocatalytic water treatment device can be applied to river water process,
Cultivating wastewater purification, industrial and agricultural wastewater processing or landscape water improvement etc..
In the present invention, the time of the compound water process of photocatalysis-microbial degradation is according to pending Organic substance in water
Concentration determine.In the present invention, when the accessing pending water contains ammonia nitrogen, initial concentration is 2.0~2.8mg/L, processing when
Between preferably after 20~30 days so that the near 0.6~1.0mg/L or less of concentration of the organic matter.
In the present invention, the treatment sewage flows through the surface of photocatalysis membrana, is come into full contact with photochemical catalyst；Utilize light
According to condition, the pollutant on photochemical catalyst in the various actives kind degradation water such as induction generation hydroxyl radical free radical, superoxide radical,
Effectively reduce COD and BOD5, especially the most prominent to the treatment effect of the organic matters such as organic acid, organic base, esters and hydro carbons；And
And not only make water quality reaching standard, it can also be by the organic pollution and N, P member in sewage by the photocatalytic water treatment device
Plain equal size effectively reduces, and to which the oxygen content in water is no longer reduced, organism in water can be bred with normal existence, final gradual
The bioactivity for restoring river, lake makes its restore self-purification capacity, reaches the ecology of microorganism in water body, animal and plant
Balance.
In order to further illustrate the present invention, with reference to embodiment to photocatalytic water treatment device provided by the invention and side
Method is described in detail, but cannot they be interpreted as limiting the scope of the present invention.
Embodiment 1
As depicted in figs. 1 and 2, photocatalytic water treatment device provided in this embodiment, including photocatalysis membrana 8, support bar 2,
Connecting rope 3, drawstring 5, fixed column 1, fixing buckle 4, floating ball 6 and clump weight 7.The both sides of the photocatalysis membrana 8 are connected by fixing buckle 4
It is connected in two connecting ropes 3, while the both ends of support bar 2 arranged in parallel are both connected in two connecting ropes, forms " day " word
Positioning unit realizes the positioning to photocatalysis membrana 8；Spaced floating ball 6 is connected on photocatalysis membrana 8, for supporting light to urge
Change film；The clump weight that face is arranged below each floating ball is used for controlling the state of photocatalysis membrana in water；The fixed column is matched
Close the positioning that drawstring carries out photocatalytic water treatment device.
The length that photocatalysis membrana in the device is drafted in the present embodiment is 30m, width 1.5m, thickness 0.2cm；Light is urged
The area for changing each hole on film is 1cm2, the spacing in hole is 2cm；The length of photocatalysis membrana support bar is 1.6m, and cross-sectional area is
16cm2, the parallel equidistant arrangement of support bar, the distance between adjacent two photocatalysis membrana support bars are 1m；Connecting rope is distributed in
The both sides of photocatalysis membrana connect with photocatalysis membrana support bar and carry out little module positioning；The distance between two neighboring fixing buckle is
0.1m, then the fixing buckle of side is 300, is fixed in connecting rope, is positioned with photocatalysis membrana；Floating ball is 60, is used for
Photocatalysis membrana is supported, photocatalysis membrana is made to can be suspended in water；Clump weight is 60, and the quality of each clump weight is 0.1kg, is used
To control the state of photocatalysis membrana in water；The number of fixed column is 2, a first tail, and cooperation drawstring carries out at photocatalysis water
Manage the positioning of device.
Embodiment 2
The present embodiment chooses Zhuji City cities and towns pond, and water surface area is about 150m2, waste water quality is as follows：COD is
38mg/L, BOD5For 18mg/L, ammonia nitrogen 2.8mg/L, total phosphorus 0.8mg/L.Use the device in embodiment 1, photochemical catalyst
For titanium dioxide-class graphite phase carbon nitride-metal phthalocyanine compound, wherein titanium dioxide, class graphite phase carbon nitride and metal phthalein
The mass ratio of cyanines is 65:30:5, titanium dioxide is Detitanium-ore-type.Film Photocatalyst is polyester fiber, photochemical catalyst and polyester
The mass ratio of fibrous material is 2:91.1 photocatalysis membrana is suspended on the water surface of breeding wastewater, after illumination 20 days, according to state
Mapping method for testing is measured water quality：COD is 15mg/L, BOD5For 3.8mg/L, ammonia nitrogen 0.7mg/L, total phosphorus is
0.16mg/L, this several indexs reach《Water environment quality standard》(GB3838-2002) requirement of III class water.
Embodiment 3：
The present embodiment chooses Hangzhou housing sewage, and water surface area is about 300m2, waste water quality is as follows：COD is
46mg/L, BOD5For 12mg/L, ammonia nitrogen 1.8mg/L, total phosphorus 0.5mg/L.Use the device in embodiment 1, photochemical catalyst
For titanium dioxide-class graphite phase carbon nitride compound, wherein titanium dioxide and the mass ratio of class graphite phase carbon nitride is 25:2, two
Titanium oxide is Detitanium-ore-type.Film Photocatalyst is Fypro, and the mass ratio of photochemical catalyst and polyamide fiber material is
1:90.2 photocatalysis membranas are suspended on the sewage water surface, after illumination one month, water quality is surveyed according to national standard test method
It is fixed：COD is 15mg/L, BOD5For 3.2mg/L, ammonia nitrogen 0.7mg/L, total phosphorus 0.18mg/L, this several indexs reach《Ground
Table quality standard of water environment》The requirement of (GB 3838-2002) III class water.
Embodiment 4：
The present embodiment chooses Jiaxing City landscape water, and water surface area is about 350m2, waste water quality is as follows：COD is 42mg/
L, BOD5For 16mg/L, ammonia nitrogen 2.5mg/L, total phosphorus 0.6mg/L.Using the device in embodiment 1, photochemical catalyst is dioxy
Change titanium-class graphite phase carbon nitride compound, wherein titanium dioxide and the mass ratio of class graphite phase carbon nitride is 20:1, titanium dioxide
For the mixture of Detitanium-ore-type and rutile-type.Film Photocatalyst is polyethylene fibre, photochemical catalyst and polyethylene fibre material
The mass ratio of material is 1:92.2 photocatalysis membranas are suspended on the water surface of landscape water, after illumination 25 days, according to national standard test side
Method is measured water quality：COD is 17mg/L, BOD5For 3.5mg/L, ammonia nitrogen 0.9mg/L, total phosphorus 0.17mg/L, this is several
Item index reaches《Water environment quality standard》(GB3838-2002) requirement of III class water.
Embodiment 5：
The present embodiment chooses Shaoxin City's urban river water, and water surface area is about 500m2, waste water quality is as follows：COD is 45mg/
L, BOD5For 17mg/L, ammonia nitrogen 2.7mg/L, total phosphorus 0.5mg/L.Using the device in embodiment 1, photochemical catalyst is dioxy
The matter of change titanium-class graphite phase carbon nitride-metal phthalocyanine compound, wherein titanium dioxide, class graphite phase carbon nitride and metal phthalocyanine
Amount is than being 60:35:5, titanium dioxide is Detitanium-ore-type.Film Photocatalyst is Fypro, and photochemical catalyst and polyamide are fine
The mass ratio for tieing up material is 2:95.3 photocatalysis membranas are suspended on the water surface in river, after illumination 25 days, are tested according to national standard
Method is measured water quality：COD is 18mg/L, BOD5For 3.7mg/L, ammonia nitrogen 0.9mg/L, total phosphorus 0.18mg/L, this
Several indexs reach《Water environment quality standard》(GB3838-2002) requirement of III class water.
Embodiment 6：
The present embodiment chooses Shaoxin City's Lake Water, and water surface area is about 800m2, waste water quality is as follows：COD is 43mg/
L, BOD5For 16mg/L, ammonia nitrogen 2.3mg/L, total phosphorus 0.5mg/L.Using the device in embodiment 1, photochemical catalyst is dioxy
The matter of change titanium-class graphite phase carbon nitride-metal phthalocyanine compound, wherein titanium dioxide, class graphite phase carbon nitride and metal phthalocyanine
Amount is than being 55:40:5, titanium dioxide is the mixture of Detitanium-ore-type and rutile-type.Film Photocatalyst is polyester fiber, light
Catalyst and the mass ratio of Polyester Fibers are 2:93.4 photocatalysis membranas are suspended on the water surface in river, illumination one month
Afterwards, water quality is measured according to national standard test method：COD is 19mg/L, BOD5For 3.8mg/L, ammonia nitrogen 0.7mg/L, always
Phosphorus is 0.17mg/L, this several indexs reach《Water environment quality standard》The requirement of (GB 3838-2002) III class water.
As can be seen from the above embodiments, device provided by the invention has visible luminous effect, utilization that can be more efficient
Luminous energy, using sunlight as driving force, using the compatibility of photocatalytic fiber material and organic pollution, by organic pollution into
Row efficient catalytic is degraded；And the photocatalytic fiber can swim in water surface, effectively improve catalysis fibre to natural sunlight
Utilization rate, improve degradation effect so that content of organics is substantially reduced in sewage；Sewage see-through (SS) can not only be improved,
Reduce COD of sewage and BOD5, while total nitrogen and total phosphorus also play prodigious improvement, and efficient waste water control may be implemented, be
Industrial and agricultural wastewater, sanitary sewage are handled, the excellent selection of Polluted water area is purified, urban wastewater treatment firm liter can be applied to
Grade transformation, Industrial Wastewater Treatment, rural sewage treatment, aquatic products and livestock breeding wastewater processing, polluted river and water body in lake
Water correction etc..
The above is only a preferred embodiment of the present invention, it is not intended to limit the present invention in any form.It should
It points out, for those skilled in the art, without departing from the principle of the present 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 photocatalytic water treatment device, including photocatalysis membrana, film support construction and levitation device；
The film support construction includes that the first fixed column connected in sequence, the first drawstring, braced frame, the second drawstring and second are solid
Fixed column；
The braced frame include scalariform setting the first connecting rope, the second connecting rope and support bar, first connecting rope and
Second connecting rope is the handrail of ladder configuration, and support bar is the crossbeam of ladder configuration；
The photocatalytic fiber fabric is bonded fixation with the braced frame；The levitation device is connected to the photocatalytic fiber
On fabric and/or the supporting frame.
2. photocatalytic water treatment device according to claim 1, which is characterized in that the levitation device includes several floating balls
With several clump weights, the floating ball and clump weight are connected to by drawstring on photocatalysis membrana and/or braced frame；The photocatalysis
For water treatment facilities in use, the floating ball is located at the top of photocatalysis membrana, the clump weight is located at the lower section of photocatalysis membrana.
3. photocatalytic water treatment device according to claim 1, which is characterized in that the both ends of the support bar are respectively with
One connecting rope and the binding connection of the second connecting rope；The spaced and parallel arrangement of support bar in the braced frame, between adjacent supports item
Gauge is from independently being 0.5~3m.
4. photocatalytic water treatment device according to claim 1, which is characterized in that each first connecting rope and described
One end of two connecting ropes is connected to by the first drawstring in first fixed column, each first rope and second rope
The other end is connected to by the second drawstring in second fixed column；
The photocatalysis membrana is located in by fixing buckle in the first connecting rope and the second connecting rope of braced frame.
5. photocatalytic water treatment device according to claim 1, which is characterized in that include fibre in the photocatalysis membrana component
Tie up material and photochemical catalyst；The mass ratio of the photochemical catalyst and fibrous material is preferably (0.5~10):(90~99.5).
6. photocatalytic water treatment device according to claim 5, which is characterized in that the photocatalysis membrana is the nonwoven of punching
Cloth；The area in each hole independently is 0.04~4cm on the photocatalysis membrana2, the holes of adjacent holes in the heart away from independently be 0.5~
5cm；The gross area in hole is the 10~50% of the photocatalysis membrana gross area on the photocatalysis membrana.
7. photocatalytic water treatment device according to claim 5 or 6, which is characterized in that the fibrous material includes polyester
One kind in fiber, polyethylene fibre, Fypro, vinal, polyacrylonitrile fibre and polyvinyl chloride fibre or
It is a variety of；
The photochemical catalyst includes titanium dioxide, titanium dioxide-class graphite phase carbon nitride compound and titanium dioxide-class graphite-phase
It is one or more in carbonitride-metal phthalocyanine compound.
8. photocatalytic water treatment device according to claim 1, which is characterized in that the length of the photocatalysis membrana be 5~
80m, width are 0.3~5m, and thickness is 0.1~1cm；
The number of the fixing buckle is 34~3200；The distance of the adjacent fixing buckle independently is 5~20cm.
9. photocatalytic water treatment device according to claim 1, which is characterized in that face sets that there are one match under each floating ball
Pouring weight；The number of the floating ball is 4~320, the quality of each clump weight be (0,0.5kg].
10. a kind of method of photocatalysis water process, using the photocatalytic water treatment device described in claim 1~9 any one,
Include the following steps：
First fixed column in the photocatalytic water treatment device and the second fixed column are fixed on the bottom, by floating ball and counterweight
The suspension effect of block, photocatalysis membrana is suspended in accessing pending water in the photocatalytic water treatment device, under illumination condition, is treated
It handles water and carries out catalytic degradation.
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| CN109896581A (en) * | 2019-04-22 | 2019-06-18 | 山东大学 | A kind of multilayer plate and frame floating purifying device using photo-catalysis and its application |
| CN110844921A (en) * | 2019-06-28 | 2020-02-28 | 江苏金羿射日新材料科技有限公司 | Device for accelerating salt sunning of ball-string photothermal material array and using method |
| CN113244777A (en) * | 2021-04-16 | 2021-08-13 | 长江水利委员会长江科学院 | Preparation method of silver modified graphite phase carbon nitride photocatalytic composite forward osmosis membrane |
| CN116282583A (en) * | 2023-04-17 | 2023-06-23 | 江苏中复润城生态环境有限公司 | High-efficient degradation device of compound water pollutant |
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| CN109794487A (en) * | 2019-02-20 | 2019-05-24 | 利得环境科技（北京）有限公司 | Big pond body seals odor collection system |
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