CN203095665U - Water treatment device integrating titanium dioxide photocatalysis and liquid-phase corona discharge - Google Patents
Water treatment device integrating titanium dioxide photocatalysis and liquid-phase corona discharge Download PDFInfo
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- CN203095665U CN203095665U CN 201220742428 CN201220742428U CN203095665U CN 203095665 U CN203095665 U CN 203095665U CN 201220742428 CN201220742428 CN 201220742428 CN 201220742428 U CN201220742428 U CN 201220742428U CN 203095665 U CN203095665 U CN 203095665U
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Abstract
The utility model discloses a water treatment device integrating titanium dioxide photocatalysis and liquid-phase corona discharge. The water treatment device comprises a high-voltage pulse power supply, a pulse discharge insulating reactor and a water circulation device, wherein the pulse discharge insulating reactor comprises an insulating cylinder, a sealing member, a nanotube TiO2 film arranged on the inner wall of the insulating cylinder and a nanotube TiO2 corona wire which is arranged in the insulating cylinder along the axial direction of the insulating cylinder, and the nanotube TiO2 film and the nanotube TiO2 corona wire are respectively connected with the positive electrode and the negative electrode of the high-voltage pulse power supply. According to the water treatment device, micropolluted organic matters in water can be effectively removed in an energy-saving manner by combining TiO2 photocatalysis formed by ultraviolet light and pulse plasma oxidation formed by pulse discharge. The nanotube TiO2 film and the nanotube TiO2 corona wire are used as immobilized photocatalysts without being damaged by discharge and can be recycled, so that the operating cost is reduced. When the water treatment device is used for removing microcystic toxins, the removal rate of the microcystic toxins is high.
Description
Technical field
The utility model relates to the water treating equipment field, is specifically related to the collaborative liquid phase corona discharge water treatment device of a kind of optically catalytic TiO 2.
Background technology
The drinking water source is subjected to the influence of the residues such as a large amount of agriculture chemicals of trade effluent and sanitary sewage and agricultural area source generation, has a strong impact on drinking-water quality.The body eutrophication phenomenon and the tap water seedbed takes place frequently, cause the mad growth of blue-green algae, wherein Microcystin (MCs) is the class that deleterious blue-green alga bloom discharges and has the hepatotoxin of strong short cancer effect, tap water and fishery products by Microcystin pollutes have brought grave danger to human health.
Pulsed plasma liquid phase corona discharge technology, integrating multiple high-level oxidation technologies such as high energy electron irradiation, ultrasonic oxidation, photochemical oxidation, the oxidation of shockwave hole, chemical oxidation, is a kind of compound high-level oxidation technology of processing refractory organic industrial sewage of novel concept.By the materials such as ozone, hydrogen peroxide, hydroxyl radical free radical and UV-light that above-mentioned analysis finds to adopt the pulse plasma body technique can combined system to produce, the toxic substance in the Synergistic degradation micro-polluted water.But because active substance and UV-light lifetime are short, be difficult to fully and liguid phase pollutant reacts, look like UV-light especially, utilization ratio is very low.
Nanotube TiO
2Film is a kind of Novel Titanium dioxide nano material of development in recent years, does substrate with the titanium plate, has characteristics such as specific surface area is big, absorption property is strong, has wider application prospect in photocatalysis field.
China utility model patent ZL201120344479.2 discloses a kind of device of titanium dioxide film catalyzing cooperation pulsed plasma process waste water, comprise high-voltage pulse power source, high pressure pulse discharge insulating cylinder and tank, described high pressure pulse discharge insulating cylinder top is equipped with the cover plate of taking pore out of, the sidewall of described high pressure pulse discharge insulating cylinder is provided with water-in and water outlet, described water-in, water outlet all links to each other with tank, be provided with a top screw rod in the middle of the described cover plate, the lower end of described tube top screw rod connects a horizontal electrode, described horizontal electrode is positioned at more than the liquid level, and the inwall of described high pressure pulse discharge insulating cylinder is fixed with the TiO that is grown on the metal titanium matrix
2Nanotube, the bottom of described high pressure pulse discharge insulating cylinder is provided with micro-hole aerator and needle electrode, and the lower end of described needle electrode is connected with the positive pole of high-voltage pulse power source, and the upper end of described tube top screw rod is connected with the negative pole of high-voltage pulse power source.High-voltage pulse power source is discharging on discharge and the liquid under the liquid respectively by needle electrode and tube top screw rod, at OH, H, O, the O of discharge process generation
2, H
2O
2, O
3, UV-light, shockwave and ultrasonic etc. can waste water the degraded, particularly spark discharge can produce a large amount of UV-light and active substance, strength of discharge is very big, forms the intensive shockwave, the TiO on the barrel of high pressure pulse discharge insulation simultaneously
2Film can effectively utilize UV-light, forms light-catalyzed reaction, promotes the further degraded of waste water.But this technical scheme is based on strong discharge, and discharge is strong, easily pin electrode is produced loss.
The utility model content
The utility model provides a kind of optically catalytic TiO 2 to work in coordination with liquid phase corona discharge water treatment device, and paired pulses discharge insulated reactor has had bigger improvement, and the positive pole of impulsive discharge insulated reactor and negative pole adopt nanotube TiO respectively
2Film and nanotube TiO
2Corona wire strengthens TiO by the short effect of electricity simultaneously
2The photochemical catalysis electronics separates with the hole, and removes little pollution organism in the water with the pulsed plasma oxidation effectively jointly, energy-conservation, is particularly suitable for removing Microcystin in the water.
A kind of optically catalytic TiO 2 is worked in coordination with liquid phase corona discharge water treatment device, comprise high-voltage pulse power source, the impulsive discharge insulated reactor that is connected with described high-voltage pulse power source and the water circle device that is connected with described impulsive discharge insulated reactor, described impulsive discharge insulated reactor comprises insulating cylinder body, be arranged on the closure member at described insulating cylinder body two ends, be arranged on the nanotube TiO of described insulating cylinder body inwall
2Film and in described insulating cylinder body along its nanotube TiO that axially is provided with
2Corona wire, described nanotube TiO
2Film is connected with the negative pole of described high-voltage pulse power source, described nanotube TiO
2Corona wire is connected with the positive pole of described high-voltage pulse power source.
The utility model optically catalytic TiO 2 is worked in coordination with liquid phase corona discharge water treatment device, utilizes the UV-light of Pulsed Discharge to form TiO
2Photochemical catalysis and pulsed plasma oxidation promote the effective removal and the mineralising of Persistent organic pollutants jointly.With nanotube TiO
2Film is fixed on impulsive discharge insulated reactor inwall and is arranged on the intravital nanotube TiO of insulating cylinder vertically
2Corona wire utilizes the UV-light of Pulsed Discharge to form TiO
2Photochemical catalysis system, impulsive discharge simultaneously promote the photochemical catalysis electronics to separate with the hole, combine with the ozone of discharge generation, hydrogen peroxide, effect such as ultrasonic again, improve photochemical catalytic oxidation efficient, promote strong oxidizer generations such as free radical.
The high-voltage pulse power source that described high-voltage pulse power source can select for use those skilled in the art to know, as preferably, the voltage of described high-voltage pulse power source is 10kV ~ 50kV, pulse-repetition is 50Hz ~ 200Hz.
As preferably, the closure member that is arranged on described insulating cylinder body two ends is a removable closure, thereby makes things convenient for the impulsive discharge insulated reactor to open, and handled easily and maintenance make that the use of impulsive discharge insulated reactor is very convenient.Further preferred, described removable closure comprises flange and is arranged on insulating part in the eyelet of described flange, described nanotube TiO
2Corona wire passes described insulating part.This concrete removable closure is simple in structure, and can guarantee that the impulsive discharge insulated reactor has closure preferably, prevents the generation of leaking, nanotube TiO
2Corona wire passes insulation tube can prevent electric leakage, thereby can utilize the UV-light of Pulsed Discharge to form TiO in the impulsive discharge insulated reactor
2Little pollution organism in the water is removed in photochemical catalysis and pulsed plasma oxidation jointly effective and energy-conservationly.
As preferably, described nanotube TiO
2Film comprises nanotube TiO
2Film titanium (Ti) plate matrix and be grown in TiO on the described titanium plate
2Nanotube, the thickness of described titanium plate is 0.3 ~ 1mm, is grown in the TiO on the described titanium plate
2Nanotube: caliber is that 50 ~ 100nm, length are 1 ~ 20 μ m.TiO
2It (is nanotube TiO that nanotube is the bar-shaped titanium plate that is grown in
2Film titanium plate matrix) on, the basic and nanotube TiO of its length direction
2Film titanium plate matrix is vertical.One side nanotube TiO
2Film is as the positive electrode of impulsive discharge insulated reactor, on the other hand, and the nanotube TiO of above-mentioned concrete structure
2Film can make the UV-light of Pulsed Discharge form the better TiO of catalytic effect
2The photochemical catalysis system.
Described nanotube TiO
2Film can adopt prior art for preparing, as adopting electrochemistry anodic oxidation preparation (document: L.Lei, Y. Su, M.Zhou, X.Zhang, X.Chen, Fabrication of multi-non-metal-doped TiO
2Nanotubes by anodization in mixed acid electrolyte, Mater.Res.Bull.42 (2007) 2230-2236.), (be nanotube TiO promptly at the titanium plate
2Film titanium plate matrix) go up the employing electrochemistry anodic oxidation and prepare TiO
2Nanotube, thereby preparation nanotube TiO
2Film specifically may further comprise the steps: adopt the constant voltage dc source of 20V, anode is the titanium plate, and negative electrode is the nickel plate, and electrode distance is 2cm, and electrolytic solution adopts the oxalic acid of certain proportioning to add NH
4F electrolytic solution cleans behind the preparation 2h and dries, and takes out behind 400 ℃ of calcinings of air atmosphere 2h.
As preferably, described nanotube TiO
2Corona wire is along the axial line setting of described insulating cylinder body, with nanotube TiO
2Corona wire is arranged on the medullary ray of insulating cylinder body, thereby makes the nanotube TiO that links to each other with the negative pole of high-voltage pulse power source
2Film, the nanotube TiO that links to each other with the positive pole of high-voltage pulse power source
2Between the corona wire, can make the UV-light of Pulsed Discharge better, form the better TiO of catalytic effect
2The photochemical catalysis system combines with the ozone of discharge generation, hydrogen peroxide, effect such as ultrasonic simultaneously, promotes strong oxidizer generations such as free radical.
As preferably, described nanotube TiO
2The TiO that corona wire comprises the titanium rod and is grown in described titanium rod excircle
2Nanotube.The diameter of described titanium rod is 1 ~ 10mm, is grown in the TiO of described titanium rod excircle
2Nanotube: caliber is that 50 ~ 100nm, length are 1 ~ 20 μ m.TiO
2Nanotube is bar-shaped and is grown on the titanium rod, and its length direction is radially consistent with the titanium rod substantially.Nanotube TiO
2Corona wire can effectively separate TiO
2Photochemical catalysis electronics and hole, the erosion of anti-sealing again, and can satisfy user demand.
Described nanotube TiO
2Corona wire can adopt prior art for preparing, as adopting electrochemistry anodic oxidation preparation (document: L.Lei, Y.Su, M.Zhou, X.Zhang, X.Chen, Fabrication of multi-non-metal-doped TiO
2Nanotubes by anodization in mixed acid electrolyte, Mater.Res.Bull.42 (2007) 2230-2236.), promptly on the titanium rod, adopt electrochemistry anodic oxidation to prepare TiO
2Nanotube, thereby preparation nanotube TiO
2Corona wire specifically may further comprise the steps: adopt the constant voltage dc source of 20V, anode is the titanium rod, and negative electrode is the nickel plate, and electrode distance is 2cm, and electrolytic solution adopts the oxalic acid of certain proportioning to add NH
4F electrolytic solution cleans behind the preparation 2h and dries, and takes out behind 400 ℃ of calcinings of air atmosphere 2h.
As preferably, described insulating cylinder body is the insulating cylinder body that the insulating cylinder body made of polythene material or quartz material are made, the insulating cylinder body that above-mentioned two kinds of materials are made all has good insulation performance performance and good firmness, can satisfy user demand, simultaneously, cost is relatively low, helps the operating device cost.
As preferably, described water circle device comprises placed in-line successively water pump and water storage device, described insulating cylinder body is provided with the water-in and the water outlet of impulsive discharge insulated reactor, the import of described water pump links to each other with the water outlet of described impulsive discharge insulated reactor, the outlet of described water storage device links to each other with the water-in of described impulsive discharge insulated reactor, the water circle device of said structure and be connected accordingly with the impulsive discharge insulated reactor, can promote the water cycle in the water storage device, remove Microcystin in the water.
Further preferred, the axial along continuous straight runs setting of described insulating cylinder body, promptly laterally place, the water-in of described impulsive discharge insulated reactor is positioned at the top of described insulating cylinder body one end, the water outlet of described impulsive discharge insulated reactor is positioned at the bottom of the described insulating cylinder body the other end, the water-in of the insulating cylinder body of above-mentioned setting, impulsive discharge insulated reactor and water outlet can utilize gravity to promote water cycle.
Adopt the collaborative liquid phase corona discharge water treatment device of the utility model optically catalytic TiO 2, remove Microcystin in the water, the clearance height of Microcystin.
The collaborative liquid phase corona discharge of a kind of optically catalytic TiO 2 is removed the method for Microcystin, adopts the collaborative liquid phase corona discharge water treatment device of the utility model optically catalytic TiO 2, may further comprise the steps:
Press the water that the flow of 1mL/min ~ 100mL/min will handle by water circle device and feed in the impulsive discharge insulated reactor, the voltage of high-voltage pulse power source is 10kV ~ 50kV, and pulse-repetition is 50Hz ~ 200Hz, removes the Microcystin in anhydrating.
The water that needs to handle is the water that contains Microcystin, can adopt configuration voluntarily, and convenient test can be the water that just there is Microcystin in nature also, can be used as practical application, removes the Microcystin in the water, the clearance height of Microcystin.
The beneficial effects of the utility model are:
The utility model optically catalytic TiO 2 is worked in coordination with liquid phase corona discharge water treatment device, simple in structure, easy to operate, produce UV-light by the liquid phase corona discharge, form the photochemical catalysis system with titanium dioxide, physics, chemical action that collaborative simultaneously corona discharge produces, the removal effect of raising Microcystin.While nanotube TiO
2Film and nanotube TiO
2Corona wire is as the immobilization photocatalyst, and the destruction of not discharged can reuse, and effectively separating catalyst reduces running cost.The collaborative liquid phase corona discharge water treatment device of the utility model optically catalytic TiO 2 can be used for the removal of Microcystin in the drinking water source, also can be used for the organic removal of little pollution in the water.
The collaborative liquid phase corona discharge of optically catalytic TiO 2 is removed the method for Microcystin, adopt the collaborative liquid phase corona discharge water treatment device of the utility model optically catalytic TiO 2, remove Microcystin in the water, Microcystin remove the efficient height, help actual application and popularization, significant.
Description of drawings
Fig. 1 is the structural representation of the collaborative liquid phase corona discharge water treatment device of the utility model optically catalytic TiO 2.
Embodiment
In order to understand the utility model better, the utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment.
As shown in Figure 1, for the collaborative liquid phase corona discharge water treatment device of optically catalytic TiO 2, comprise high-voltage pulse power source 1, the impulsive discharge insulated reactor 2 that is connected with high-voltage pulse power source 1 and the water circle device that is connected with impulsive discharge insulated reactor 2.
The high-voltage pulse power source 1 that high-voltage pulse power source 1 can select for use those skilled in the art to know, the voltage of high-voltage pulse power source 1 are 10kV ~ 50kV, and pulse-repetition is 50Hz ~ 200Hz.
Impulsive discharge insulated reactor 2 comprises insulating cylinder body 10, be arranged on the closure member at insulating cylinder body 10 two ends, be arranged on the nanotube TiO of insulating cylinder body 10 inwalls
2Film 4 and in insulating cylinder body 10 along its nanotube TiO that axially is provided with
2 Corona wire 3, nanotube TiO
2 Film 4 is connected with the negative pole of high-voltage pulse power source 1, nanotube TiO
2Corona wire 3 is connected with the positive pole of high-voltage pulse power source 1.The closure member that is arranged on insulating cylinder body 10 two ends is a removable closure, makes things convenient for impulsive discharge insulated reactor 2 to open.Removable closure comprises flange 5 and is arranged on insulating part 6 in the eyelet of flange 5 that insulating part 6 can specifically be selected insulation tube, nanotube TiO for use
2After corona wire 3 passed insulating part 6, the positive pole with high-voltage pulse power source 1 was connected again.
Nanotube TiO
2Film 4 comprises nanotube TiO
2Film titanium (Ti) plate matrix and be grown in TiO on the titanium plate
2Nanotube, the thickness of titanium plate is 0.3 ~ 1mm, is grown in the TiO on the titanium plate
2Nanotube: caliber is that 50 ~ 100nm, length are 1 ~ 20 μ m.TiO
2Nanotube is bar-shaped and is grown on the titanium plate TiO
2The length direction of nanotube is basic vertical with the titanium plate.Nanotube TiO
2 Film 4 adopts prior art for preparing, as adopting electrochemistry anodic oxidation preparation (document: L.Lei, Y.Su, M.Zhou, X.Zhang, X.Chen, Fabrication of multi-non-metal-doped TiO
2Nanotubes by anodization in mixed acid electrolyte, Mater.Res.Bull.42 (2007) 2230-2236.), (be nanotube TiO promptly at the titanium plate
2Film titanium plate matrix) go up the employing electrochemistry anodic oxidation and prepare TiO
2Nanotube, thereby preparation nanotube TiO
2Film 4 specifically may further comprise the steps: adopt the constant voltage dc source of 20V, anode is the titanium plate, and negative electrode is the nickel plate, and electrode distance is 2cm, and electrolytic solution adopts the oxalic acid of certain proportioning to add NH
4F electrolytic solution cleans behind the preparation 2h and dries, and takes out behind 400 ℃ of calcinings of air atmosphere 2h.
Nanotube TiO
2Corona wire 3 is along the axial line setting of insulating cylinder body 10, with nanotube TiO
2Corona wire 3 is arranged on the medullary ray of insulating cylinder body 10, nanotube TiO
2Corona wire 3 is arranged on the center of insulating cylinder body 10.Nanotube TiO
2Corona wire 3 comprises titanium rod and the TiO that is grown in titanium rod excircle
2Nanotube.The diameter of titanium rod is 1 ~ 10mm, is grown in the TiO of titanium rod excircle
2Nanotube: caliber is that 50 ~ 100nm, length are 1 ~ 20 μ m.TiO
2Nanotube is bar-shaped and is grown on the titanium rod, and its length direction is radially consistent with the titanium rod substantially.Nanotube TiO
2Corona wire 3 can effectively separate TiO
2Photochemical catalysis electronics and hole, the erosion of anti-sealing again, and can satisfy user demand.Nanotube TiO
2Corona wire 3 can adopt prior art for preparing, as adopting electrochemistry anodic oxidation preparation (document: L.Lei, Y.Su, M.Zhou, X.Zhang, X.Chen, Fabrication of multi-non-metal-doped TiO
2Nanotubes by anodization in mixed acid electrolyte, Mater.Res.Bull.42 (2007) 2230-2236.), promptly on the titanium rod, adopt electrochemistry anodic oxidation to prepare TiO
2Nanotube, thereby preparation nanotube TiO
2Corona wire 3 specifically may further comprise the steps: adopt the constant voltage dc source of 20V, anode is the titanium rod, and negative electrode is the nickel plate, and electrode distance is 2cm, and electrolytic solution adopts the oxalic acid of certain proportioning to add NH
4F electrolytic solution cleans behind the preparation 2h and dries, and takes out behind 400 ℃ of calcinings of air atmosphere 2h.
The insulating cylinder body that insulating cylinder body that insulating cylinder body 10 is made for polythene material or quartz material are made, the insulating cylinder body 10 that above-mentioned two kinds of materials are made all has good insulation performance performance and good firmness.
Water circle device comprises placed in-line successively water pump 8 and water storage device 9, the outlet of water pump 8 links to each other with the import of water storage device 9, insulating cylinder body 10 is provided with the water-in 7 and the water outlet 11 of impulsive discharge insulated reactor 2, the import of water pump 8 links to each other with the water outlet 11 of impulsive discharge insulated reactor 2, the outlet of water storage device 9 links to each other with the water-in 7 of impulsive discharge insulated reactor 2, promote the water cycle in the water storage device, remove Microcystin in the water.The axial along continuous straight runs setting of insulating cylinder body 10, promptly laterally place, the water-in 7 of impulsive discharge insulated reactor 2 is positioned at the top of insulating cylinder body 10 1 ends, and the water outlet 11 of impulsive discharge insulated reactor 2 is positioned at the bottom of insulating cylinder body 10 the other ends, can utilize gravity to promote water cycle.
The collaborative liquid phase corona discharge of a kind of optically catalytic TiO 2 is removed the method for Microcystin, adopts the collaborative liquid phase corona discharge water treatment device of the utility model optically catalytic TiO 2, may further comprise the steps:
Press the water that the flow of 1mL/min ~ 100mL/min will handle by water circle device and feed in the impulsive discharge insulated reactor, the voltage of high-voltage pulse power source 1 is 10kV ~ 50kV, and pulse-repetition is 50Hz ~ 200Hz, removes the Microcystin in anhydrating.
Embodiment 1
As shown in Figure 1, for the collaborative liquid phase corona discharge water treatment device of optically catalytic TiO 2, comprise high-voltage pulse power source 1, the impulsive discharge insulated reactor 2 that is connected with high-voltage pulse power source 1 and the water circle device that is connected with impulsive discharge insulated reactor 2.
Impulsive discharge insulated reactor 2 comprises insulating cylinder body 10, be arranged on the closure member at insulating cylinder body 10 two ends, be arranged on the nanotube TiO of insulating cylinder body 10 inwalls
2Film 4 and in insulating cylinder body 10 along its nanotube TiO that axially is provided with
2 Corona wire 3, nanotube TiO
2 Film 4 is connected with the negative pole of high-voltage pulse power source 1, nanotube TiO
2Corona wire 3 is connected with the positive pole of high-voltage pulse power source 1.The closure member that is arranged on insulating cylinder body 10 two ends is a removable closure, and removable closure comprises flange 5 and be arranged on insulating part 6 in the eyelet of flange 5 that insulating part 6 is an insulation tube, nanotube TiO
2After corona wire 3 passed insulating part 6, the positive pole with high-voltage pulse power source 1 was connected again.
Nanotube TiO
2 Film 4 adopts electrochemistry anodic oxidation preparation, nanotube TiO
2 Film 4 comprises nanotube TiO
2Film titanium (Ti) plate matrix and be grown in TiO on the titanium plate
2Nanotube, the thickness of titanium plate is 0.6mm, is grown in the TiO on the titanium plate
2Nanotube: caliber is that 50 ~ 70nm, length are 5 ~ 9 μ m.
Nanotube TiO
2Corona wire 3 is along the axial line setting of insulating cylinder body 10, with nanotube TiO
2Corona wire 3 is arranged on the medullary ray of insulating cylinder body 10, nanotube TiO
2Corona wire 3 is arranged on the center of insulating cylinder body 10.Nanotube TiO
2Corona wire 3 comprises titanium rod and the TiO that is grown in titanium rod excircle
2Nanotube.The diameter of titanium rod is 3mm, is grown in the TiO of titanium rod excircle
2Nanotube: caliber is that 50 ~ 70nm, length are 5 ~ 9 μ m.
The insulating cylinder body that insulating cylinder body 10 is made for quartz material, interior diameter are 3cm, and length is 5cm.
Water circle device comprises placed in-line successively water pump 8 and water storage device 9, the outlet of water pump 8 links to each other with the import of water storage device 9, insulating cylinder body 10 is provided with the water-in 7 and the water outlet 11 of impulsive discharge insulated reactor 2, the import of water pump 8 links to each other with the water outlet 11 of impulsive discharge insulated reactor 2, and the outlet of water storage device 9 links to each other with the water-in 7 of impulsive discharge insulated reactor 2.The axial along continuous straight runs setting of insulating cylinder body 10 is promptly laterally placed, and the water-in 7 of impulsive discharge insulated reactor 2 is positioned at the top of insulating cylinder body 10 1 ends, and the water outlet 11 of impulsive discharge insulated reactor 2 is positioned at the bottom of insulating cylinder body 10 the other ends.
The collaborative liquid phase corona discharge of a kind of optically catalytic TiO 2 is removed the method for Microcystin, adopts the collaborative liquid phase corona discharge water treatment device of optically catalytic TiO 2 of embodiment 1, may further comprise the steps:
(1) aqueous solution of the Microcystin that configures is poured in the water circle device, the concentration of Microcystin is 1mg/L in the aqueous solution of Microcystin, and the volume total amount of the aqueous solution of Microcystin is 50mL;
(2) starting water circle device presses in the aqueous solution feeding impulsive discharge insulated reactor 2 of flow with Microcystin of 20mL/min, the voltage of high-voltage pulse power source 1 is 10kV, pulse-repetition is 100Hz, remove the Microcystin in anhydrating, turn off every 10min, the 0.5ml that takes a sample from water storage device 9, handling the clearance of measuring Microcystin behind the 60min is 99.8%.
As shown in Figure 1, for the collaborative liquid phase corona discharge water treatment device of optically catalytic TiO 2, comprise high-voltage pulse power source 1, the impulsive discharge insulated reactor 2 that is connected with high-voltage pulse power source 1 and the water circle device that is connected with impulsive discharge insulated reactor 2.
Impulsive discharge insulated reactor 2 comprises insulating cylinder body 10, be arranged on the closure member at insulating cylinder body 10 two ends, be arranged on the nanotube TiO of insulating cylinder body 10 inwalls
2Film 4 and in insulating cylinder body 10 along its nanotube TiO that axially is provided with
2 Corona wire 3, nanotube TiO
2 Film 4 is connected with the negative pole of high-voltage pulse power source 1, nanotube TiO
2Corona wire 3 is connected with the positive pole of high-voltage pulse power source 1.The closure member that is arranged on insulating cylinder body 10 two ends is a removable closure, and removable closure comprises flange 5 and be arranged on insulating part 6 in the eyelet of flange 5 that insulating part 6 is an insulation tube, nanotube TiO
2After corona wire 3 passed insulating part 6, the positive pole with high-voltage pulse power source 1 was connected again.
Nanotube TiO
2 Film 4 adopts electrochemistry anodic oxidation preparation, nanotube TiO
2 Film 4 comprises nanotube TiO
2Film titanium (Ti) plate matrix and be grown in TiO on the titanium plate
2Nanotube, the thickness of titanium plate is 0.4mm, is grown in the TiO on the titanium plate
2Nanotube: caliber is that 70 ~ 90nm, length are 6 ~ 10 μ m.
Nanotube TiO
2Corona wire 3 is along the axial line setting of insulating cylinder body 10, with nanotube TiO
2Corona wire 3 is arranged on the medullary ray of insulating cylinder body 10, nanotube TiO
2Corona wire 3 is arranged on the center of insulating cylinder body 10.Nanotube TiO
2Corona wire 3 comprises titanium rod and the TiO that is grown in titanium rod excircle
2Nanotube.The diameter of titanium rod is 4mm, is grown in the TiO of titanium rod excircle
2Nanotube: caliber is that 70 ~ 90nm, length are 6 ~ 10 μ m.
The insulating cylinder body that insulating cylinder body 10 is made for polythene material, interior diameter are 3cm, and length is 5cm.
Water circle device comprises placed in-line successively water pump 8 and water storage device 9, the outlet of water pump 8 links to each other with the import of water storage device 9, insulating cylinder body 10 is provided with the water-in 7 and the water outlet 11 of impulsive discharge insulated reactor 2, the import of water pump 8 links to each other with the water outlet 11 of impulsive discharge insulated reactor 2, and the outlet of water storage device 9 links to each other with the water-in 7 of impulsive discharge insulated reactor 2.The axial along continuous straight runs setting of insulating cylinder body 10 is promptly laterally placed, and the water-in 7 of impulsive discharge insulated reactor 2 is positioned at the top of insulating cylinder body 10 1 ends, and the water outlet 11 of impulsive discharge insulated reactor 2 is positioned at the bottom of insulating cylinder body 10 the other ends.
The collaborative liquid phase corona discharge of a kind of optically catalytic TiO 2 is removed the method for Microcystin, adopts the collaborative liquid phase corona discharge water treatment device of optically catalytic TiO 2 of embodiment 2, may further comprise the steps:
(1) aqueous solution of the Microcystin that configures is poured in the water circle device, the concentration of Microcystin is 3mg/L in the aqueous solution of Microcystin, and the volume total amount of the aqueous solution of Microcystin is 30mL;
(2) starting water circle device presses in the aqueous solution feeding impulsive discharge insulated reactor 2 of flow with Microcystin of 10mL/min, the voltage of high-voltage pulse power source 1 is 30kV, pulse-repetition is 80Hz, remove the Microcystin in anhydrating, turn off every 10min, the 0.5ml that takes a sample from water storage device 9, handling the clearance of measuring Microcystin behind the 60min is 99.7%.
Claims (10)
1. an optically catalytic TiO 2 is worked in coordination with liquid phase corona discharge water treatment device, comprise high-voltage pulse power source, the impulsive discharge insulated reactor that is connected with described high-voltage pulse power source and the water circle device that is connected with described impulsive discharge insulated reactor, it is characterized in that described impulsive discharge insulated reactor comprises insulating cylinder body, be arranged on the closure member at described insulating cylinder body two ends, be arranged on the nanotube TiO of described insulating cylinder body inwall
2Film and in described insulating cylinder body along its nanotube TiO that axially is provided with
2Corona wire, described nanotube TiO
2Film is connected with the negative pole of described high-voltage pulse power source, described nanotube TiO
2Corona wire is connected with the positive pole of described high-voltage pulse power source.
2. optically catalytic TiO 2 according to claim 1 is worked in coordination with liquid phase corona discharge water treatment device, it is characterized in that the closure member that is arranged on described insulating cylinder body two ends is a removable closure.
3. optically catalytic TiO 2 according to claim 2 is worked in coordination with liquid phase corona discharge water treatment device, it is characterized in that, described removable closure comprises flange and is arranged on insulating part in the eyelet of described flange, described nanotube TiO
2Corona wire passes described insulating part.
4. optically catalytic TiO 2 according to claim 1 is worked in coordination with liquid phase corona discharge water treatment device, it is characterized in that described nanotube TiO
2Film comprises the titanium plate and is grown in TiO on the described titanium plate
2Nanotube.
5. optically catalytic TiO 2 according to claim 4 is worked in coordination with liquid phase corona discharge water treatment device, it is characterized in that the thickness of described titanium plate is 0.3 ~ 1mm, is grown in the TiO on the described titanium plate
2Nanotube: caliber is that 50 ~ 100nm, length are 1 ~ 20 μ m.
6. optically catalytic TiO 2 according to claim 1 is worked in coordination with liquid phase corona discharge water treatment device, it is characterized in that described nanotube TiO
2Corona wire is along the axial line setting of described insulating cylinder body.
7. optically catalytic TiO 2 according to claim 1 is worked in coordination with liquid phase corona discharge water treatment device, it is characterized in that described nanotube TiO
2The TiO that corona wire comprises the titanium rod and is grown in described titanium rod excircle
2Nanotube.
8. optically catalytic TiO 2 according to claim 7 is worked in coordination with liquid phase corona discharge water treatment device, it is characterized in that the diameter of described titanium rod is 1 ~ 10mm, is grown in the TiO of described titanium rod excircle
2Nanotube: caliber is that 50 ~ 100nm, length are 1 ~ 20 μ m.
9. optically catalytic TiO 2 according to claim 1 is worked in coordination with liquid phase corona discharge water treatment device, it is characterized in that, described water circle device comprises placed in-line successively water pump and water storage device, described insulating cylinder body is provided with the water-in and the water outlet of impulsive discharge insulated reactor, the import of described water pump links to each other with the water outlet of described impulsive discharge insulated reactor, and the outlet of described water storage device links to each other with the water-in of described impulsive discharge insulated reactor.
10. optically catalytic TiO 2 according to claim 9 is worked in coordination with liquid phase corona discharge water treatment device, it is characterized in that, the axial along continuous straight runs setting of described insulating cylinder body, the water-in of described impulsive discharge insulated reactor is positioned at the top of described insulating cylinder body one end, and the water outlet of described impulsive discharge insulated reactor is positioned at the bottom of the described insulating cylinder body the other end.
Priority Applications (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104909428A (en) * | 2015-05-14 | 2015-09-16 | 南京大学 | Device and method for treating hard-to-degrade organic waste water by combined treatment of Ag3PO4/TiO2 catalyst and low-temperature plasma |
| CN105134340A (en) * | 2015-09-24 | 2015-12-09 | 重庆市科学技术研究院 | Titanium pipe electric purification device for automobile exhaust gas |
| CN105130054A (en) * | 2015-09-02 | 2015-12-09 | 常州市长宇实用气体有限公司 | Method for removing microcystin in drinking water |
| CN105396529A (en) * | 2015-12-23 | 2016-03-16 | 湖北航天化学技术研究所 | Circulating type ultraviolet reaction apparatus |
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2012
- 2012-12-28 CN CN 201220742428 patent/CN203095665U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909428A (en) * | 2015-05-14 | 2015-09-16 | 南京大学 | Device and method for treating hard-to-degrade organic waste water by combined treatment of Ag3PO4/TiO2 catalyst and low-temperature plasma |
| CN105130054A (en) * | 2015-09-02 | 2015-12-09 | 常州市长宇实用气体有限公司 | Method for removing microcystin in drinking water |
| CN105134340A (en) * | 2015-09-24 | 2015-12-09 | 重庆市科学技术研究院 | Titanium pipe electric purification device for automobile exhaust gas |
| CN105396529A (en) * | 2015-12-23 | 2016-03-16 | 湖北航天化学技术研究所 | Circulating type ultraviolet reaction apparatus |
| CN105396529B (en) * | 2015-12-23 | 2018-06-22 | 湖北航天化学技术研究所 | Circulating ultraviolet apparatus for photoreaction |
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