CN102701316A - Photoelectric catalysis reactor taking photocatalysis fuel battery as power supply - Google Patents
Photoelectric catalysis reactor taking photocatalysis fuel battery as power supply Download PDFInfo
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- CN102701316A CN102701316A CN2012101409558A CN201210140955A CN102701316A CN 102701316 A CN102701316 A CN 102701316A CN 2012101409558 A CN2012101409558 A CN 2012101409558A CN 201210140955 A CN201210140955 A CN 201210140955A CN 102701316 A CN102701316 A CN 102701316A
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Abstract
The invention provides a photoelectric catalysis reactor taking a photocatalysis fuel battery as a power supply. The reactor consists of a photocatalysis fuel battery reactor A and a photoelectric catalysis reactor B which are connected by a conductor and a 10-ohm resistor. The reactor can reduce the use of additional electricity while increasing the quantum yield of TiO2. The photocatalysis fuel battery reactor A takes a TiO2 nanotube as an anode and uses a 24W ultraviolet lamp for irradiation, and takes a platinum sheet as a cathode, and 0.01mol/L Na2SO4 as electrolyte. The photoelectric catalysis reactor B takes a TiO2 nanotube as an anode and uses a 24W ultraviolet lamp for irradiation, and is connected with the photocatalysis fuel battery by taking a platinum sheet as a cathode, and 0.05mol/L acetic acid and 0.01mol/L Na2SO4 as electrolyte. The reactor has the advantages of greatly improving the quantum yield of TiO2, thus further accelerating organic pollution degradation process of TiO2 photocatalysis by two times compared with the photocatalysis speed, being energy-saving, safe and efficient, and generating no harmful substances.
Description
Technical field
The present invention relates to a kind of with TiO
2As the photo electrocatalysis reactor of catalyzer, especially relating to a kind of is the photo electrocatalysis reactor of power supply with the photochemical catalysis fuel cell.
Background technology
Water is human fundamental of depending on for existence with all biologies, also is to ensure industrial or agricultural and maintain the healthy requisite resource of natural, ecological.Water resources total amount in the nature circulation remains unchanged, but complicated variation takes place its water quality, just can become utilizable water resources when having only water quality to reach requiring of necessity.Along with increase, the development of industrial and agricultural production and being on the rise of water environment pollution degree of population, crisis has appearred in many geographic used water resources in succession, has seriously restricted society, expanding economy.Water crisis and institute's deutero-water quality thereof and ecological problem not only will seriously fetter and restrict Economic development, and possibly cause important social and political crisis.Therefore, must be on abundant water-saving basis, the non-traditional water source of many-sided exploitation is to alleviate a series of serious problems of bringing because of the water resources anxiety.
Along with increase, the development of industrial and agricultural production and being on the rise of water environment pollution degree of population, crisis has appearred in many geographic used water resources in succession, has seriously restricted society, expanding economy.Reusing sewage is important, the indispensable measure that solves water resources crisis, also is that cost is low, the effective way of instant effect.Reusing sewage not only can be alleviated the shortage of water resources problem, can also reduce disposal of pollutants simultaneously, also has great importance to improving quality of water environment.In recent years, various emerging organic pollutants are constantly detected in reused sewage, have brought certain risk to reusing sewage.Yet the conventional process means do not have too big effect to the removal of this type of pollution substance, and how removing this material just becomes a problem that presses for solution.
At present, utilize TiO
2Nano material is more and more as the make a return journey research of the organic pollutant in dewatering of photocatalyst material.Discover TiO
2Characteristics such as nontoxic, environmentally friendly and cheap are arranged, great potential is all arranged in the purifying treatment of water body.But this material also has its widespread use of some drawbacks limit, and one of them shortcoming is TiO
2Quantum yield lower, this can limit the exchange velocity in its electronics and cavity, thereby reduced the speed of its photocatalysis degradation organic contaminant, and this has also influenced its use range as a kind of new catalytic material greatly.Recently, there are some researches show at TiO
2Working voltage can improve TiO widely in the light-catalysed process
2Quantum yield, so just can accelerate TiO
2The process of photocatalysis degradation organic contaminant.Yet the use of extra voltage will certainly increase cost, and the original intention of this and energy-saving and emission-reduction misfits.How to improve TiO
2The use that can reduce additional electrical energy in the time of quantum yield again becomes TiO
2The one big hot issue in photocatalytic degradation field.
Summary of the invention
The object of the present invention is to provide a kind of is the photo electrocatalysis reactor of power supply with the light fuel cell, and this reactor drum is connected with resistance through lead with photo electrocatalysis reactor B by photochemical catalysis fuel cell reaction device A and forms.This reactor drum can guarantee TiO
2Quantum yield increases, and can reduce the use of additional electrical energy again.
The present invention seeks to realize through following technical scheme:
A kind of is the photo electrocatalysis reactor of power supply with the photochemical catalysis fuel cell; It is characterized in that this reactor drum is connected made through lead 6 with resistance 9 with photo electrocatalysis reactor B by photochemical catalysis fuel cell reaction device A; Wherein photochemical catalysis fuel cell reaction device A and photo electrocatalysis reactor B; By a silica glass groove 2, on two medial surfaces of silica glass groove 2, respectively open two spill circular holes 8, respectively respectively with TiO
2Nanotube is as anode 4; With platinized platinum as negative electrode 5; Upper end at anode 4 and negative electrode 5 has two small sircle holes; After two plastic bars 3 were passed two small sircle holes on anode 4 and the negative electrode 5 respectively, inserted respectively in the spill circular hole 8 of silica glass groove 2 medial surfaces at the two ends of plastic bar 3, and anode 4 and negative electrode 5 are suspended in the silica glass groove 2; Electrolytic solution 7 is housed in the silica glass groove 2; One end of lead 6 is connected on the anode 4 of photochemical catalysis fuel cell reaction device A, and the other end is connected on the negative electrode 5 of photo electrocatalysis reactor B, and a section of another root lead 6 is connected on the negative electrode 5 of photoelectrocatalysis fuel cell reaction device A; Be connected with the anode 4 of photo electrocatalysis reactor B through resistance 9 back leads 6, two perpendicular type lamp brackets that uv lamp 1 is housed are placed on the outer side of the silica glass groove 2 of photochemical catalysis fuel cell reaction device A and photo electrocatalysis reactor B respectively again; Wherein, the electrolytic solution 7 of described photochemical catalysis fuel cell reaction device A is the acetate of 0.05 mol/L and the Na of 0.1 mol/L
2SO
4-, the electrolytic solution 7 of photo electrocatalysis reactor B is the Na of pH 4.5,0.01 mol/L
2SO
4Described TiO
2The caliber of nanotube anode 4 is 90 nm, and pipe range is 600 nm, and porosity is 0.54 cm
3/ g, specific surface area is 300 m
2/ g.
Described uv lamp 1 power is 24 W, and light intensity is 2.0 mWcm
-2, wavelength is 254 mm.
Described TiO
2Nanotube is to prepare through following method:
(1) with the titanium plate with the abrasive paper for metallograph grinding and polishing to surperficial no marking, put into zero(ppm) water then and use ultrasonic cleaning 15min, ultrasonic cleaning 15min in the acetone uses zero(ppm) water ultrasonic cleaning 15min again, places air drying;
(2) the electrochemistry experiment anode is the titanium plate after above-mentioned processing; The nickel plate is made negative electrode, and bath composition is a Neutral ammonium fluoride: oxalic acid: the mass ratio of water is 1:3:200, and anodic oxidation at room temperature continues to carry out magnetic agitation; Reaction times is 60min, and anode voltage is 20V;
(3) the titanium plate that reaction obtains through step (2) cleans with zero(ppm) water, places air drying;
(4) dried titanium plate is put into tube type resistance furnace and calcine, 500 ℃ of calcining temperatures, 2 ℃ of min of cooling rate at air
-1-, calcination time 90min generates TiO
2Nanotube.
The method of photocatalysis degradation organic contaminant among the present invention is in photo electrocatalysis reactor B, to be added with organic pollutants, opens uv lamp 1 then and gets final product.In the case; Photochemical catalysis fuel cell reaction device A is under the irradiation of uv lamp, and anode and cathode exchanges the electron production electric current, and this electric current promptly is connected on the photo electrocatalysis reactor B as power supply; Because the effect of electric current, the speed of this reactor catalysis degradation of organic substances improves.
The present invention has the following advantages:
1. improved TiO greatly
2Quantum yield, thereby accelerate TiO
2The process of photocatalysis degradation organic contaminant, photoelectrocatalysis are compared photochemical catalysis speed and are improved 2 times.
2. reduce the use of additional electrical energy, reached the purpose of energy-saving and emission-reduction.
3. TiO
2Nanotube has making can be repeated, and life cycle is long, and is easy to clean, advantage such as can produce by batch.
4. photoelectrocatalysis is safe and efficient, does not have other objectionable impuritiess and generates.
Description of drawings
Fig. 1 is photochemical catalysis fuel cell reaction device A.
Fig. 2 is photo electrocatalysis reactor B.
Fig. 3 is the photo electrocatalysis reactor of power supply with the photochemical catalysis fuel cell.
Reference numeral: the perpendicular type lamp bracket that 1, uv lamp is housed; 2, silica glass groove; 3, plastic bar; 4, TiO
2The nanotube anode; 5, platinized platinum negative electrode; 6, lead; 7, electrolytic solution; 8, spill circular hole; 9, resistance.
Embodiment
A kind of is the photo electrocatalysis reactor of power supply with the photochemical catalysis fuel cell; It is characterized in that this reactor drum is connected made through lead 6 with resistance 9 with photo electrocatalysis reactor B by photochemical catalysis fuel cell reaction device A; Wherein photochemical catalysis fuel cell reaction device A and photo electrocatalysis reactor B; By a silica glass groove 2 (size is 20 mm * 20 mm * 50 mm), on two medial surfaces that adapt to glass guide channel 2, respectively open two spill circular holes 8 (radius 0.6 cm), respectively respectively with TiO
2Nanotube is as anode 4 (titanium sheet size is 2 cm * 3 cm); With platinized platinum as negative electrode 5 (platinized platinum size 2 cm * 3 cm); Upper end at anode 4 and negative electrode 5 has two small sircle holes; After two plastic bars 3 (radius 0.5 cm) were passed two small sircle holes on anode 4 and the negative electrode 5 respectively, inserted respectively in the spill circular hole 8 of silica glass groove 2 medial surfaces at the two ends of plastic bar 3, and anode 4 and negative electrode 5 are suspended in the silica glass groove 2; Electrolytic solution 7 is housed in the silica glass groove 2; One end of lead 6 is connected on the anode 4 of photochemical catalysis fuel cell reaction device A, and the other end is connected on the negative electrode 5 of photo electrocatalysis reactor B, and a section of another root lead 6 is connected on the negative electrode 5 of photoelectrocatalysis fuel cell reaction device A; Be connected with the anode 4 of photo electrocatalysis reactor B through resistance 9 back leads 6, two perpendicular type lamp brackets that uv lamp 1 is housed are placed on the outer side of the silica glass groove 2 of photoelectrocatalysis fuel cell reaction device A and photo electrocatalysis reactor B respectively again; Wherein, the electrolytic solution 7 of described photochemical catalysis fuel cell reaction device A is the acetate of 0.05 mol/L and the Na of 0.1 mol/L
2SO
4-, the electrolytic solution 7 of photo electrocatalysis reactor B is the Na of pH 4.5,0.01 mol/L
2SO
4Described TiO
2The caliber of nanotube anode 4 is 90 nm, and pipe range is 600 nm, and porosity is 0.54 cm
3/ g, specific surface area is 300 m
2/ g.
It is that 25 mL concentration are the tsiklomitsin of 0.045 mol/L in the photo electrocatalysis reactor degraded photo electrocatalysis reactor of power supply that this example is to use with the light fuel cell.Contrast, through the reaction times of 3h, tsiklomitsin concentration under the degraded of this reactor drum becomes 20% of starting point concentration, and if only under light-catalysed effect, through 3h, concentration is 40% of starting point concentration.In addition, the strength of current on the lead is 0.086 mA, has also proved the effect of light fuel cell reactor drum as power supply.
Said TiO
2The preparation method of nanotube is following:
(1) with the titanium plate of 3cm * 8cm with abrasive paper for metallograph grinding and polishing to surperficial no marking; Put into zero(ppm) water then and clean 15min at ultrasonic (15KHz); Ultrasonic in the acetone (15KHz) cleans 15min, uses zero(ppm) water ultrasonic (15KHz) to clean 15min again, places air drying;
(2) the electrochemistry experiment anode is the titanium plate after above-mentioned processing; The nickel plate is made negative electrode, and bath composition is a Neutral ammonium fluoride: oxalic acid: the mass ratio of water is 1:3:200, and anodic oxidation at room temperature continues to carry out magnetic agitation; Reaction times is 60min, and anode voltage is 20V;
(3) the titanium plate that reaction obtains through step (2) cleans with zero(ppm) water, places air drying;
(4) dried titanium plate is put into tube type resistance furnace and calcine, 500 ℃ of calcining temperatures, 2 ℃ of min of cooling rate at air
-1-, calcination time 90min generates TiO
2Nanotube.
Claims (2)
1. one kind is the photo electrocatalysis reactor of power supply with the photochemical catalysis fuel cell; It is characterized in that this reactor drum is connected made through lead (6) with resistance (9) with photo electrocatalysis reactor B by photochemical catalysis fuel cell reaction device A; Wherein photochemical catalysis fuel cell reaction device A and photo electrocatalysis reactor B; By a silica glass groove (2), on two medial surfaces of silica glass groove (2), respectively open two spill circular holes (8), respectively respectively with TiO
2Nanotube is as anode (4); With platinized platinum as negative electrode (5); Upper end at anode (4) and negative electrode (5) has two small sircle holes; After two plastic bars (3) are passed two small sircle holes on anode (4) and the negative electrode (5) respectively; Insert respectively in the spill circular hole (8) of silica glass groove (2) medial surface at the two ends of plastic bar (3); Anode (4) and negative electrode (5) are suspended in the silica glass groove (2), electrolytic solution (7) is housed in the silica glass groove (2), an end of lead (6) is connected on the anode (4) of photochemical catalysis fuel cell reaction device A; The other end is connected on the negative electrode (5) of photo electrocatalysis reactor B; One section of another root lead (6) is connected on the negative electrode (5) of photoelectrocatalysis fuel cell reaction device A, is connected with the anode (4) of photo electrocatalysis reactor B through resistance (9) back lead (6) again, and two perpendicular type lamp brackets that uv lamp (1) is housed are placed on the outer side of the silica glass groove (2) of photoelectrocatalysis fuel cell reaction device A and photo electrocatalysis reactor B respectively; Wherein, the electrolytic solution (7) of described photochemical catalysis fuel cell reaction device A is the acetate of 0.05 mol/L and the Na of 0.1 mol/L
2SO
4-, the electrolytic solution of photo electrocatalysis reactor B (7) is the Na of pH 4.5,0.01 mol/L
2SO
4
2. photochemical catalysis fuel cell according to claim 1 is the photo electrocatalysis reactor of power supply, it is characterized in that described uv lamp (1) power is 24 W, and light intensity is 2.0 mWcm
-2, wavelength is 254 mm.
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| CN102701316B CN102701316B (en) | 2013-07-31 |
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| CN103647098A (en) * | 2013-11-20 | 2014-03-19 | 江苏大学 | Sewage fuel cell |
| CN104330153A (en) * | 2014-10-11 | 2015-02-04 | 深圳市开天源自动化工程有限公司 | Method for measuring intensity of ultraviolet light |
| CN106207236A (en) * | 2016-08-25 | 2016-12-07 | 北京理工大学 | A kind of photoelectricity composite fuel cell based on MEA electrode |
| CN108545799A (en) * | 2018-02-08 | 2018-09-18 | 北京师范大学 | A kind of electrodialysis reversal coupling photo catalysis reactor and its application |
| CN109928456A (en) * | 2019-04-29 | 2019-06-25 | 上海观流智能科技有限公司 | Photo catalysis reactor and photocatalysis method |
| CN112751053A (en) * | 2019-10-30 | 2021-05-04 | 武汉轻工大学 | Flexible microfluid photoelectric fuel cell |
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Cited By (12)
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| CN106207236A (en) * | 2016-08-25 | 2016-12-07 | 北京理工大学 | A kind of photoelectricity composite fuel cell based on MEA electrode |
| CN106207236B (en) * | 2016-08-25 | 2019-03-29 | 北京理工大学 | A kind of photoelectricity composite fuel cell based on MEA electrode |
| CN108545799A (en) * | 2018-02-08 | 2018-09-18 | 北京师范大学 | A kind of electrodialysis reversal coupling photo catalysis reactor and its application |
| CN108545799B (en) * | 2018-02-08 | 2020-11-20 | 北京师范大学 | Reverse electrodialysis coupling photocatalytic reactor and application thereof |
| CN109928456A (en) * | 2019-04-29 | 2019-06-25 | 上海观流智能科技有限公司 | Photo catalysis reactor and photocatalysis method |
| CN109928456B (en) * | 2019-04-29 | 2023-07-28 | 上海柏中观澈智能科技有限公司 | Photocatalytic reactor and photocatalytic method |
| CN112751053A (en) * | 2019-10-30 | 2021-05-04 | 武汉轻工大学 | Flexible microfluid photoelectric fuel cell |
| CN112751053B (en) * | 2019-10-30 | 2022-03-29 | 武汉轻工大学 | Flexible microfluid photoelectric fuel cell |
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| CN102701316B (en) | 2013-07-31 |
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Inventor after: Li Die Inventor after: Wang Dawei Inventor after: Xing Tao Inventor after: Xu Hang Inventor after: Zhang Wenlong Inventor after: Wang Qing Inventor before: Li Die Inventor before: Wang Dawei Inventor before: Zhang Wenlong Inventor before: Wang Qing |
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