CN102653419A - Device for treating fish culturing waste water by means of pore plate jet flow reinforcement TiO2 thin film photocatalysis - Google Patents
Device for treating fish culturing waste water by means of pore plate jet flow reinforcement TiO2 thin film photocatalysis Download PDFInfo
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- CN102653419A CN102653419A CN2012101242386A CN201210124238A CN102653419A CN 102653419 A CN102653419 A CN 102653419A CN 2012101242386 A CN2012101242386 A CN 2012101242386A CN 201210124238 A CN201210124238 A CN 201210124238A CN 102653419 A CN102653419 A CN 102653419A
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Abstract
The invention relates to a device for treating fish culturing waste water by means of pore plate jet flow reinforcement TiO2 thin film photocatalysis. The device comprises a pump, a control valve, a pressure gage, a pore plate jet flow cavitation device, a circulating pipeline and a TiO2 thin film photocatalysis oxidation device, wherein the circulating pipeline comprises a water inlet pipe and two water outlet pipes, the pump is respectively connected with the water inlet pipe and the water outlet pipes, the control valve and the pressure gage are respectively arranged on the water outlet pipes, and the pore plate jet flow cavitation device is arranged in fish culturing waste water so as to be connected with the ports of the water outlet pipes connected with the pressure gage; and the TiO2 thin film photocatalysis oxidation device is arranged in the fish culturing waste water so as to be connected with the pore plate jet flow cavitation device. The device can be used for quickly and thoroughly cleaning the surface of a TiO2 catalyst by the shock wave and the microjet generated by high-speed jet, so that the problem that the optical energy can not be absorbed by the catalyst since the pollutant and the degradation product of the pollutant are absorbed on the surface of the catalyst can be effectively solved. Meanwhile, the device further has the advantages of oxygenating, quickly sterilizing, and degrading pollutant in water, being low in energy consumption, and being suitable for treating the fish culturing waste water on a large scale.
Description
Technical field
The present invention relates to the system of a kind of aquatic products, environmental area processing aquaculture wastewater, be specifically related to the jet strengthened TiO of a kind of orifice plate
2The device of film light catalytic treatment fish-culture sewage.
Background technology
The modernized aquaculture mode of high investments such as high-density intensive culture, high production, high benefit at home and abroad develops rapidly, but has produced the water body environment problem such as high of loading.A large amount of movements and the residual thing of raising deposit, ruin culturing the waters, have grown a large amount of pathogenic agent, and ammonia nitrogen, COD isoconcentration also will raise.The self-purification capacity of aquaculture water itself can't be carried overpopulation breed produced pollution load; Cause aquaculture water to be in pollutional condition for a long time; Can cause the raising biological death when serious; Can cause environmental pollution as if this type sewage is directly entered in the environment, therefore, aquaculture water is handled most important timely and effectively.At present, the aquaculture water treatment process mainly comprises mechanical filter, biofiltration, ozonize, uv-radiation sterilisation and photocatalysis treatment etc.Yet mechanical filter is removed P, N and dissolved organic matter poor effect; It is undesirable that the pathogenic microbes effect is removed in biofiltration; The ozonize cost is high, and residual ozone produces certain toxic action to culturing object; The sterilization effect of uv-radiation sterilisation technology is obvious, but not good for removing effects such as organism, ammonia nitrogen.In addition, the mode of refreshing the water periodically is generally adopted in the processing of closed aquarium culture of fish sewage at present, thereby caused the waste of water resources.
TiO
2Photocatalysis oxidation technique has low, the characteristics such as thorough and non-secondary pollution of degrading of the energy consumption of processing, finds TiO from Fujishima in 1972
2But since the photochemical catalysis splitting water, TiO
2The conductor photocatalysis technology has obtained extensive studies gradually aspect wastewater treatment.But, TiO
2The application of photocatalysis oxidation technique often receives the restriction of rate of mass transfer; Thereby pollutent and degraded product thereof are adsorbed on catalyst surface has hindered the absorption of catalyzer to luminous energy; The investigator with ultrasonic cavitation be incorporated into strengthen in the light-catalyzed reaction system photocatalytic oxidation (Leibo, Xu Yuehua. intensified by ultrasonic wave photocatalysis oxidation technique research new development [J]. Guangdong chemical industry, 2006; 33 (153): 16-19.); Yet the ultrasonic cavitation treatment scale is little, energy consumption is high, is difficult to realize change on a large scale utilization, this big limitations TiO
2The through engineering approaches of photocatalysis oxidation technique is used.
Summary of the invention
To deficiency and the defective that prior art exists, the object of the present invention is to provide a kind of quick sterilization, energy consumption low, and be suitable for mass-producing and handle fish-culture sewage, the jet strengthened TiO of the orifice plate that the scope of application is extensive
2The device of film light catalytic treatment fish-culture sewage.
To deficiency and the defective that prior art exists, another object of the present invention is to provide a kind of quick sterilization, energy consumption low, and be suitable for mass-producing and handle fish-culture sewage, the jet strengthened TiO of the orifice plate that the scope of application is extensive
2The method of film light catalytic treatment fish-culture sewage.
For achieving the above object, the present invention provides a kind of orifice plate jet strengthened TiO
2The device of film light catalytic treatment fish-culture sewage comprises: one in order to extract pump, valve, tensimeter, orifice plate jet flow cavitation device, circulation line and the TiO of fish-culture sewage
2The film light catalytic oxidizing equipment; This circulation line comprises a water inlet pipe and two rising pipes; Pump is connected with rising pipe with water inlet pipe respectively; Valve and tensimeter are separately positioned on the rising pipe, and orifice plate jet flow cavitation device is arranged on to be connected in the fish-culture sewage and is connected with manometric rising pipe port; TiO
2The film light catalytic oxidizing equipment is arranged in the fish-culture sewage and is connected with the orifice plate cavitation apparatus.
According to the jet strengthened TiO of the described orifice plate of preferred embodiment of the present invention
2The device of film light catalytic treatment fish-culture sewage, this TiO
2The film light catalytic oxidizing equipment comprises TiO
2Film photocatalyst coated plate and excitation light source, the adjacent TiO that is arranged on of excitation light source with orifice plate jet flow cavitation device
2The film photocatalyst coated plate is inboard.
According to the jet strengthened TiO of the described orifice plate of preferred embodiment of the present invention
2The device of film light catalytic treatment fish-culture sewage, this TiO
2The film photocatalyst coated plate comprises substrate and TiO
2Film photocatalyst, TiO
2Film photocatalyst adopts sol-gel method to be carried in the substrate.
According to the jet strengthened TiO of the described orifice plate of preferred embodiment of the present invention
2The device of film light catalytic treatment fish-culture sewage, this substrate are the stainless steel hollow cylinder.
According to the jet strengthened TiO of the described orifice plate of preferred embodiment of the present invention
2The device of film light catalytic treatment fish-culture sewage, this excitation light source adopts ultra-violet lamp.
According to the jet strengthened TiO of the described orifice plate of preferred embodiment of the present invention
2The device of film light catalytic treatment fish-culture sewage, this orifice plate jet flow cavitation device is an orifice plate cavitation pipe.
According to the jet strengthened TiO of the described orifice plate of preferred embodiment of the present invention
2The device of film light catalytic treatment fish-culture sewage, this orifice plate cavitation pipe comprises outer tube and inner orifice plate, the internal holes sleeve-board is connected to outer tube inside.
For achieving the above object, the present invention also provides a kind of orifice plate jet strengthened TiO
2The method of film light catalytic treatment fish-culture sewage may further comprise the steps:
Step 1 utilizes sol-gel method with TiO
2Photocatalyst loads in the substrate of stainless steel hollow cylinder and processes TiO
2Film photocatalyst coated plate, and test TiO
2The photoelectric response performance of film photocatalyst coated plate under the excitation light source irradiation;
According to the jet strengthened TiO of the described orifice plate of preferred embodiment of the present invention
2Also comprise after the method for film light catalytic treatment fish-culture sewage, step 3: sustained reaction 0.5～4h, sampling analysis is measured fish-culture sewage sterilizing rate (%), measures ammonia nitrogen, COD clearance (%) in the water body.
The jet strengthened TiO of orifice plate of the present invention
2The principle of work of the device of film light catalytic treatment fish-culture sewage is: fish-culture sewage is extracted by pump and acts on TiO through orifice plate cavitation pipe
2The film photocatalyst coated plate, shockwave, microjet that high-speed jet produces clean TiO rapidly, up hill and dale
2Catalyst surface, thus make TiO
2Catalyst surface keeps clean, and continues fish-culture sewage is handled.Be adsorbed on catalyst surface and hindered the problem of catalyzer thereby solved pollutent and degraded product thereof, thereby strengthen photocatalytic oxidation the absorption of luminous energy.
Compared with prior art, beneficial effect of the present invention is: water jet cavitation technique and photocatalysis oxidation technique all have the advantage of non-secondary pollution, and the present invention adopts the jet strengthened TiO of orifice plate
2The device of film light catalytic treatment fish-culture sewage is that the water jet cavitation technique is incorporated in the light-catalyzed reaction system, and on the one hand, fish-culture sewage is extracted by pump and acts on TiO through orifice plate cavitation pipe
2The film photocatalyst coated plate, shockwave, microjet that high-speed jet produces clean TiO rapidly, up hill and dale
2Catalyst surface has solved pollutent and degraded product thereof and has been adsorbed on catalyst surface and has hindered the problem of catalyzer to the absorption of luminous energy, thereby strengthens photocatalytic oxidation.The high temperature of local several thousand degree Kelvins that the cavitation bubble that on the other hand, utilizes high-speed jet to produce produces when vanishing in moment and the high pressure of tens MPas impel water molecules to produce OH and H degraded water pollutant.Simultaneously, the water jet cavitation also has the oxygenation effect to being processed water body, and this not only can promote the effect of Treatment by Photocatalysis Oxidation polluted-water, and helps the growth of aquaculture organism in the cyclic culture water body.In addition, the present invention can be used for open and the closed culture water body is handled.And water jet cavitation incidence is considerably beyond the incidence of ultrasonic cavitation, and energy consumption is low, is more suitable for the wastewater treatment in extensiveization.
Description of drawings
Fig. 1 is the jet strengthened TiO of orifice plate of the present invention
2The application structure synoptic diagram of the device of film light catalytic treatment fish-culture sewage.
Embodiment
Below in conjunction with accompanying drawing, specify the present invention.
The present invention adopts the jet strengthened TiO of orifice plate
2The device of film light catalytic treatment fish-culture sewage is that the water jet cavitation technique is incorporated in the light-catalyzed reaction system, and the water jet cavitation of similar ultrasonic cavitation is a novel cavitation technique; This method produces cavitation through water-jet technology; Efficiency and extensiveization application facet than ultrasonic cavitation have more advantage (Lu Yiyu, Jiang Linyan, Xia Binwei etc. the experiment [J] of cavitating water jet combination Fenton treatment of Nitrobenzene waste water. University Of Chongqing's journal; 2010,33 (9): 8-10.).Shockwave, microjet that high-speed jet produces clean TiO rapidly up hill and dale
2Catalyst surface prevents that pollutent and degraded product thereof are adsorbed on catalyst surface, make TiO
2Surface energy fully receives UV-light, increases effective mass transfer area, thereby has strengthened the Degradation of photochemical catalytic oxidation to pollutent.In addition, the present invention adopts fixed sol-gel TiO
2Photocatalyst can reuse, and has not only overcome the shortcoming of powder type suspending phase photocatalytic oxidation, and be convenient to improve and amplify after be applied to the processing of waste water.
See also Fig. 1, the jet strengthened TiO of a kind of orifice plate
2The device of film light catalytic treatment fish-culture sewage comprises: one in order to extract pump 1, valve 2, tensimeter 3, orifice plate jet flow cavitation device, circulation line and the TiO of fish-culture sewage 4
2The film light catalytic oxidizing equipment.
As shown in Figure 1; Fish-culture sewage 4 is loaded in the aqua storage tank 5; Circulation line comprises a water inlet pipe and two rising pipes; The water inlet port of water inlet pipe and the water outlet port of rising pipe place the fish-culture sewage 4 in the aqua storage tank 5, and pump 1 is connected with rising pipe with water inlet pipe respectively, and valve 2 is separately positioned on two rising pipes with tensimeter 3; Orifice plate jet flow cavitation device adopts orifice plate cavitation pipe 6, and orifice plate cavitation pipe 6 is arranged in the fish-culture sewage 4 in the aqua storage tank 5 and is connected to the rising pipe port that is connected with tensimeter 3; TiO
2The film light catalytic oxidizing equipment comprises TiO
2Film photocatalyst coated plate 8 and excitation light source 7, TiO
2Film photocatalyst coated plate 8 is arranged in the aqua storage tank 5 with excitation light source 7, excitation light source 7 and the orifice plate cavitation pipe 6 adjacent TiO that are arranged on
2Film photocatalyst coated plate 8 inboards.
Further, TiO
2Film photocatalyst coated plate 8 comprises substrate and TiO
2Film photocatalyst, TiO
2Film photocatalyst adopts sol-gel method to be carried in the substrate.Orifice plate cavitation pipe 6 comprises outer tube and inner orifice plate, and the internal holes sleeve-board is connected to outer tube inside.
More particularly, above-mentioned TiO
2The substrate of film photocatalyst coated plate 8 is the stainless steel hollow cylinder.The outer tube of orifice plate cavitation pipe 6 adopts pmma material, and inner orifice plate adopts stainless material.Excitation light source 7 adopts 9W254nmU type ultra-violet lamp.
In this instance, need to prove that the present invention does not limit concrete TiO
2The base material of film photocatalyst coated plate 8 and shape.Above TiO
2It is an instance that the stainless steel hollow cylinder is adopted in the substrate of film photocatalyst coated plate 8, and is not used in qualification the present invention.In like manner, the present invention does not limit for the material of orifice plate cavitation pipe and the type of excitation light source yet, and with the outer tube employing pmma material of up-hole plate cavitation pipe 6, inner orifice plate adopts stainless material.And excitation light source 7 ultra-violet lamps also are an instance, and non-limiting the present invention.
Below in conjunction with Fig. 1 the working process of the device of water jet cavitation reinforcement photocatalysis treatment fish-culture sewage of the present invention is described: at first; Ejector priming 1 and excitation light source 7; Afterwards, thus shunting the pipe that indirectly control is equipped with the rising pipe of tensimeter 3 through 2 pairs of circulation line trunks of adjusting control valve current is depressed into suitable force value.Fish-culture sewage is extracted by pump 1 and acts on TiO through orifice plate cavitation pipe 6
2Film photocatalyst coated plate 8, shockwave, microjet that high-speed jet produces clean TiO rapidly, up hill and dale
2Catalyst surface, thus make TiO
2Catalyst surface keeps clean, and makes TiO
2Surface energy fully receives UV-light, continues fish-culture sewage is handled.
Based on the device of above-mentioned water jet cavitation reinforcement photocatalysis treatment fish-culture sewage, the present invention also provides a kind of orifice plate jet strengthened TiO
2The method of film light catalytic treatment fish-culture sewage may further comprise the steps:
Step 1 utilizes sol-gel method with TiO
2Photocatalyst loads in the substrate of stainless steel hollow cylinder and processes TiO
2Film photocatalyst coated plate, and test TiO
2The photoelectric response performance of film photocatalyst coated plate under the excitation light source irradiation.
The present invention adopts fixed sol-gel TiO
2Photocatalyst can reuse, and has not only overcome the shortcoming of powder type suspending phase photocatalytic oxidation, and be convenient to improve and amplify after be applied to the processing of waste water.Load TiO at the concrete stainless steel-based end
2Make TiO
2The process of film photocatalyst coated plate 8 is following:
At first, the preparation gel as solvent, is processed TiO through tetrabutyl titanate hydrolysis with absolute ethyl alcohol
227mL tetrabutyl titanate and 23mL absolute ethyl alcohol are mixed into solution I, and 23mL absolute ethyl alcohol, 3.3mL concentrated hydrochloric acid (37%Wt) and 2.7mL zero(ppm) water are mixed into solution II.Solution II is added drop-wise in the solution I under violent stirring I situation, is added dropwise to complete continued and stirs 30min formation sol-gel, and it is subsequent use that room temperature leaves standstill 1d.
Afterwards, use 180 order sand paper and 300 order sand paperings to light respectively the stainless steel hollow cylinder, heated 15min at 1: 3 in the nitric acid then, the distillation washing is dried naturally.
At last, adopt dipping-pulling method in above-mentioned subsequent use sol-gel, to film, be chilled to room temperature behind 110 ℃ of dry 10min, repeat to film 4 times,, get TiO at 400 ℃ of calcining at constant temperature 1h
2The film photocatalyst coated plate.
TiO
2After the film photocatalyst coated plate is processed, adopt three-electrode system, test load TiO
2, there is photoelectric response performance preferably at the stainless steel-based end of photocatalyst under the excitation light source irradiation.
According to the jet strengthened TiO of the described orifice plate of preferred embodiment of the present invention
2Also comprise after the method for film light catalytic treatment fish-culture sewage, step 3: sustained reaction 0.5～4h, sampling analysis is measured fish-culture sewage sterilizing rate (%), measures ammonia nitrogen, COD clearance (%) in the water body.
Below give an example embodiment to the jet strengthened TiO of orifice plate of the present invention
2The method of film light catalytic treatment fish-culture sewage describes.
Embodiment 1
In the present embodiment, utilize the jet strengthened TiO of orifice plate of the orifice plate cavitation pipe that adopts different parameters
2The device of film light catalytic treatment fish-culture sewage is handled fish-culture sewage, and process object is for (pH is 6.9 to sewage, and amount of bacteria is 94 * 10 from breeding fish
7Individual/L, ammonia nitrogen is 18mg/L, and COD is 45mg/L).Wastewater volume is 8.5L.
1) utilize sol-gel method with TiO
2Photocatalyst loads at stainless steel-based the end.And the employing three-electrode system, test load TiO
2, there is photoelectric response performance preferably at the stainless steel-based end of photocatalyst under the excitation light source irradiation.
2) adopting the orifice plate of 6 different parameters respectively is that (1# orifice plate cavitation pore is 29 for the 1.5mm hole count directly to the cavitation pipe; 2# orifice plate cavitation pore is 6 for the 3mm hole count directly; 3# orifice plate cavitation pore is 12 for the 2mm hole count directly; 4# orifice plate cavitation pore is 20 for the 1.5mm hole count directly; 5# orifice plate cavitation pore is 39 for the 1mm hole count directly; 6# orifice plate cavitation pore is 6 for the 2mm hole count directly), with circulation line water side, excitation light source, TiO that orifice plate cavitation pipe is installed
2Film photocatalyst places respectively in the reservoir that is added with fish-culture sewage, makes orifice plate cavitation pipe and excitation light source all be placed on hollow cylinder TiO
2The film photocatalyst coated plate is inboard.
3) open pump and 9W254nmU type ultra-violet lamp excitation light source, fish-culture sewage acts on TiO through orifice plate cavitation pipe
2The film photocatalyst coated plate, shockwave, microjet that high-speed jet produces clean TiO rapidly, up hill and dale
2Catalyst surface, TiO
2Surface energy fully receives UV-light, TiO
2The catalyzer sustained reaction is handled fish-culture sewage.
4) sustained reaction 4h.Sampling analysis behind the 4h is measured fish-culture sewage sterilizing rate (%), measures ammonia nitrogen, COD clearance (%) in the water body.
The jet strengthened TiO of orifice plate of the present invention
2The result of film light catalytic treatment fish-culture sewage is following:
Can find out that from above result the orifice plate of 6 different parameters is handled fish-culture sewage 4h, sterilizing rate is very high, and ammonia nitrogen and COD are all had clearance to a certain degree.
In the present embodiment, adopt 1# orifice plate cavitation pipe (aperture is 29 for the 1.5mm hole count), adopt the different reaction times, measure fish-culture sewage sterilizing rate (%), measure ammonia nitrogen, COD clearance (%) in the water body.The result is following:
Can find out that from above result the prolongation reaction times helps the raising of treatment effect.
Water jet cavitation technique and photocatalysis oxidation technique all have the advantage of non-secondary pollution.The water jet cavitation is a novel cavitation technique, and this method produces cavitation through water-jet technology, has more advantage in efficiency and extensiveization application facet than ultrasonic cavitation, and shockwave, microjet that high-speed jet produces clean TiO rapidly up hill and dale
2Catalyst surface prevents that pollutent and degraded product thereof are adsorbed on catalyst surface, make TiO
2Surface energy fully receives UV-light, increases effective mass transfer area, thereby has strengthened the Degradation of photochemical catalytic oxidation to pollutent.
The present invention adopts the jet strengthened TiO of orifice plate
2The device and method of film light catalytic treatment fish-culture sewage is that the water jet cavitation technique is incorporated in the light-catalyzed reaction system, and on the one hand, fish-culture sewage is extracted by pump and acts on TiO through orifice plate cavitation pipe
2The film photocatalyst coated plate, shockwave, microjet that high-speed jet produces clean TiO rapidly, up hill and dale
2Catalyst surface has solved pollutent and degraded product thereof and has been adsorbed on catalyst surface and has hindered the problem of catalyzer to the absorption of luminous energy, makes TiO
2Surface energy fully receives UV-light, increases effective mass transfer area, thereby has strengthened the Degradation of photochemical catalytic oxidation to pollutent.The high temperature of local several thousand degree Kelvins that the cavitation bubble that on the other hand, utilizes high-speed jet to produce produces when vanishing in moment and the high pressure of tens MPas impel water molecules to produce OH and H degraded water pollutant.Simultaneously, the water jet cavitation also has the oxygenation effect to being processed water body, and this not only can promote the effect of Treatment by Photocatalysis Oxidation polluted-water, and helps the growth of aquaculture organism in the cyclic culture water body.In addition, the present invention can be used for open and the closed culture water body is handled.And water jet cavitation incidence is considerably beyond the incidence of ultrasonic cavitation, and energy consumption is low, is more suitable for the wastewater treatment in extensiveization.
The above; It only is preferable embodiment of the present invention; Be not that the present invention is done any pro forma restriction; Any content that does not break away from technical scheme of the present invention according to any simple modification, equivalent variations and the modification that technical spirit of the present invention is done above embodiment, all belongs to the scope of technical scheme of the present invention.
Claims (9)
1. jet strengthened TiO of orifice plate
2The device of film light catalytic treatment fish-culture sewage is characterized in that, comprising: one in order to extract pump, valve, tensimeter, orifice plate jet flow cavitation device, circulation line and the TiO of fish-culture sewage
2The film light catalytic oxidizing equipment; Said circulation line comprises a water inlet pipe and two rising pipes; Said pump is connected with rising pipe with said water inlet pipe respectively; Said valve and tensimeter are separately positioned on the said rising pipe, and said orifice plate jet flow cavitation device is arranged on to be connected in the fish-culture sewage and is connected with manometric rising pipe port; Said TiO
2The film light catalytic oxidizing equipment is arranged in the fish-culture sewage and is connected with said orifice plate cavitation apparatus.
2. the jet strengthened TiO of orifice plate as claimed in claim 1
2The device of film light catalytic treatment fish-culture sewage is characterized in that, said TiO
2The film light catalytic oxidizing equipment comprises TiO
2Film photocatalyst coated plate and excitation light source, said excitation light source is adjacent with said orifice plate jet flow cavitation device to be arranged on said TiO
2The film photocatalyst coated plate is inboard.
3. the jet strengthened TiO of orifice plate as claimed in claim 2
2The device of film light catalytic treatment fish-culture sewage is characterized in that, said TiO
2The film photocatalyst coated plate comprises substrate and TiO
2Film photocatalyst, said TiO
2Film photocatalyst adopts sol-gel method to be carried in the said substrate.
4. the jet strengthened TiO of orifice plate as claimed in claim 3
2The device of film light catalytic treatment fish-culture sewage is characterized in that, said substrate is the stainless steel hollow cylinder.
5. the jet strengthened TiO of orifice plate as claimed in claim 2
2The device of film light catalytic treatment fish-culture sewage is characterized in that, said excitation light source adopts ultra-violet lamp.
6. the jet strengthened TiO of orifice plate as claimed in claim 1
2The device of film light catalytic treatment fish-culture sewage is characterized in that, said orifice plate jet flow cavitation device is an orifice plate cavitation pipe.
7. the jet strengthened TiO of orifice plate as claimed in claim 6
2The device of film light catalytic treatment fish-culture sewage is characterized in that, said orifice plate cavitation pipe comprises outer tube and inner orifice plate, and it is inner that said internal holes sleeve-board is connected to said outer tube.
8. jet strengthened TiO of orifice plate
2The method of film light catalytic treatment fish-culture sewage is characterized in that, may further comprise the steps:
Step 1 utilizes sol-gel method with TiO
2Photocatalyst loads in the substrate of stainless steel hollow cylinder and processes TiO
2Film photocatalyst coated plate, and test TiO
2The photoelectric response performance of film photocatalyst coated plate under the excitation light source irradiation;
Step 2 is with circulation line water side, excitation light source, TiO that orifice plate cavitation pipe is installed
2The film photocatalyst coated plate is arranged in the fish-culture sewage, and makes orifice plate cavitation pipe and excitation light source all be arranged on hollow cylinder TiO
2The film photocatalyst coated plate is inboard;
Step 3 is opened pump and excitation light source, and fish-culture sewage acts on TiO through orifice plate cavitation pipe
2The film photocatalyst coated plate, shockwave, microjet that high-speed jet produces clean TiO rapidly, up hill and dale
2Catalyst surface, TiO
2Catalyst surface is fully accepted light source activation, and sustained reaction is handled fish-culture sewage.
9. the jet strengthened TiO of orifice plate as claimed in claim 8
2The method of film light catalytic treatment fish-culture sewage is characterized in that, also comprises after the step 3: sustained reaction 0.5～4h, sampling analysis is measured fish-culture sewage sterilizing rate (%), measures ammonia nitrogen, COD clearance (%) in the water body.
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| CN2012101242386A CN102653419A (en) | 2012-04-25 | 2012-04-25 | Device for treating fish culturing waste water by means of pore plate jet flow reinforcement TiO2 thin film photocatalysis |
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| CN2012101242386A CN102653419A (en) | 2012-04-25 | 2012-04-25 | Device for treating fish culturing waste water by means of pore plate jet flow reinforcement TiO2 thin film photocatalysis |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109748352A (en) * | 2019-02-25 | 2019-05-14 | 东北师范大学 | Based on the photocatalysis coupled device and method for carrying out water process of flow control microvesicle- |
| CN111348720A (en) * | 2020-03-16 | 2020-06-30 | 辽宁大学 | Orifice plate-based hydrodynamic cavitation system and method for degrading antibiotics in wastewater |
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| CN101254961A (en) * | 2008-04-10 | 2008-09-03 | 上海交通大学 | Method for treating refractory organic wastewater by TiO2 film electrode photoelectric turnplate |
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| CN101254961A (en) * | 2008-04-10 | 2008-09-03 | 上海交通大学 | Method for treating refractory organic wastewater by TiO2 film electrode photoelectric turnplate |
| CN101928057A (en) * | 2009-06-22 | 2010-12-29 | 上海万森水处理有限公司 | Car washing wastewater purifying device adopting photocatalytic oxidation technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109748352A (en) * | 2019-02-25 | 2019-05-14 | 东北师范大学 | Based on the photocatalysis coupled device and method for carrying out water process of flow control microvesicle- |
| CN109748352B (en) * | 2019-02-25 | 2020-09-01 | 东北师范大学 | Device and method for water treatment based on flow control microbubble-photocatalytic coupling |
| CN111348720A (en) * | 2020-03-16 | 2020-06-30 | 辽宁大学 | Orifice plate-based hydrodynamic cavitation system and method for degrading antibiotics in wastewater |
| CN111348720B (en) * | 2020-03-16 | 2022-06-14 | 辽宁大学 | Orifice plate-based hydrodynamic cavitation system and method for degrading antibiotics in wastewater |
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Application publication date: 20120905 |