CN208844203U - A kind of electrochemical appliance preparing hydrogen peroxide - Google Patents

A kind of electrochemical appliance preparing hydrogen peroxide Download PDF

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Publication number
CN208844203U
CN208844203U CN201821691369.1U CN201821691369U CN208844203U CN 208844203 U CN208844203 U CN 208844203U CN 201821691369 U CN201821691369 U CN 201821691369U CN 208844203 U CN208844203 U CN 208844203U
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cathode
chamber
anode
hydrogen peroxide
cathode chamber
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赵丽娜
尤宏
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Harbin Institute of Technology
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Harbin Institute of Technology
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Abstract

A kind of electrochemical appliance preparing hydrogen peroxide is related to a kind of electrochemical appliance for preparing hydrogen peroxide.Purpose is to solve the problems, such as that hydrogen peroxide preparation facilities is that can not persistently provide hydrogen peroxide caused by intermittent flow device or settling vessel and be difficult to widely carry out engineer application.Device is made of cathode chamber, anode chamber, cathode and anode;Cathode chamber side is connected to anode chamber side;Cloth gas chamber is provided with below cathode chamber inner cathode, gas distribution ceiling face is porous plate;The bottom surface of cathode is arranged towards gas distribution ceiling face middle line;The material of cathode is the foamy carbon of graphene doping or the foamy carbon carbonitride of carbonitride doping.The utility model improves the efficiency of hydrogen peroxide preparation using graphene or the doping of carbonitride and foamy carbon and is conducive to the concentration of stable peroxide hydrogen;Utility model device is applied in wastewater treatment and bacteria inactivation rate.The utility model is suitable for preparing hydrogen peroxide.

Description

A kind of electrochemical appliance preparing hydrogen peroxide
Technical field
The utility model relates to a kind of electrochemical appliances for preparing hydrogen peroxide.
Background technique
Hydrogen peroxide is widely used in wastewater treatment and microorganism inactivating device as oxidant, in ultraviolet radiation and In the research of photocatalysis bacteria inactivation rate, the presence for adding hydrogen peroxide can greatly improve bacteria inactivation rate efficiency, therefore, in recent years Strengthen the deactivation to microorganism in such a way that electrochemical in-situ produces hydrogen peroxide successively.The preparation method of hydrogen peroxide It commonly include photocatalytic method, electrochemical synthesis etc..The problem of electrochemical synthesis, is: existing hydrogen peroxide preparation Device is intermittent flow device or settling vessel, and intermittent flow device is only capable of generating the hydrogenperoxide steam generator of intermittent flow, can not persistently mention For hydrogen peroxide;It is difficult to widely carry out engineer application using settling vessel when preparing hydrogen peroxide.
Utility model content
The utility model is intermittent flow device or settling vessel, caused nothing to solve existing hydrogen peroxide preparation facilities Method persistently provides hydrogen peroxide and is difficult to the problem of widely carrying out engineer application, proposes a kind of electrification for preparing hydrogen peroxide Learn device.
The electrochemical appliance that the utility model prepares hydrogen peroxide is made of cathode chamber, anode chamber, cathode and anode;It is described Cathode chamber and anode chamber are set side by side, and cathode chamber side is connected to anode chamber side by pipeline;Cathode and anode are tabular, Cathode is vertically provided in cathode chamber, and anode is vertically provided in anode chamber;Cathode chamber bottom be provided with cathode chamber water inlet pipe and Oxygen inlet pipe;Cloth gas chamber is provided with below cathode chamber inner cathode, gas distribution ceiling face is porous plate;The bottom surface of cathode is towards cloth gas chamber The setting of top surface middle line;Cloth gas chamber is connected to the outlet side of oxygen inlet pipe;Cathode is provided on the side wall of cathode chamber above cathode Room drainpipe;Anode chamber bottom is provided with anode chamber's water inlet pipe, and anode chamber's draining is provided on anode chamber's side wall above anode Pipe.
It the utility model principle and has the beneficial effect that
1, when utility model device is run, startup power supply, the cathode chamber being arranged respectively to cathode chamber bottom are intake first Pipe and anode chamber's water inlet pipe of anode chamber bottom setting are continuously passed through seawater as electrolyte;Cathode chamber drainpipe and anode simultaneously The draining of room drainpipe;After being passed through oxygen by cloth gas chamber of the oxygen inlet pipe into cathode chamber, oxygen evenly distributes simultaneously in cloth gas chamber Cathode chamber is entered with aeration mode from the porous plate in gas distribution ceiling face, the top at cloth gas chamber center, therefore gas distribution is arranged in cathode Room can be realized anticathode two surfaces and carry out uniform aeration;By electro-catalysis process, oxygen passes through oxygen in cathode surface It restores two electron systems and generates hydrogen peroxide in situ, the hydrogen peroxide that cathode surface generates is dissolved in water that form hydrogen peroxide molten Liquid is finally discharged from pole room drainpipe;Chlorine is precipitated in anode by electrochemical process in a large amount of chloride ion in the seawater of anode chamber Gas, chlorine are dissolved in water outlet water flow and generate hypochlorite, ultimately forms hypochlorite solution, be discharged from anode chamber's drainpipe;
2, utility model device can be stablized under low current density generates hydrogen peroxide, the utility model anode and negative The minimum current density that pole applies is 10mA/cm2
3, the anode of cathode chamber bottom is arranged in utility model device cathode chamber water inlet pipe and the setting of anode chamber bottom Room water inlet pipe is continuously passed through seawater as electrolyte, and the hydrogen peroxide that cathode surface generates is dissolved in water that form hydrogen peroxide molten Liquid is finally discharged from pole room drainpipe;I.e. utility model device is continuous stream mode operation, persistently provides hydrogen peroxide, In the case of continuous flow, the concentration highest stabilizing for the hydrogenperoxide steam generator that the utility model generates is in 26mg/L.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the electrochemical appliance that the utility model prepares hydrogen peroxide;
Fig. 2 is that the hydrogenperoxide steam generator concentration that generates under different hydraulic detention times of device is at any time in embodiment 1 Change curve;
Fig. 3 is that the hydrogenperoxide steam generator concentration that generates under different hydraulic detention times of device is at any time in embodiment 3 Change curve.
Specific embodiment:
Technical solutions of the utility model are not limited to that specific embodiments lis below, and further include each specific embodiment Between any reasonable combination.
Specific embodiment 1: embodiment is described with reference to Fig. 1, present embodiment prepares the electrochemistry dress of hydrogen peroxide It sets and is made of cathode chamber 1, anode chamber 2, cathode 3 and anode 4;
The cathode chamber 1 and anode chamber 2 are set side by side, and 1 side of cathode chamber is connected to 2 side of anode chamber by pipeline;Yin Pole 3 and anode 4 are tabular, and cathode 3 is vertically provided in cathode chamber 1, and anode 4 is vertically provided in anode chamber 2;Cathode chamber 1 Bottom is provided with cathode chamber water inlet pipe 5 and oxygen inlet pipe 7;Cloth gas chamber 8 is provided with below 1 inner cathode 3 of cathode chamber, cloth gas chamber 8 pushes up Face is porous plate;The bottom surface of cathode 3 is arranged towards 8 top surface middle line of cloth gas chamber;Cloth gas chamber 8 is connected to the outlet side of oxygen inlet pipe 7; Cathode chamber drainpipe 9 is provided on the side wall of the cathode chamber 1 of 3 top of cathode;2 bottom of anode chamber is provided with anode chamber's water inlet pipe 6, Anode chamber's drainpipe 10 is provided on 2 side wall of anode chamber of 4 top of anode;
The material of the cathode 3 is the foamy carbon of graphene doping or the foamy carbon of carbonitride doping;The anode 4 is boron Doped diamond electrode.
It present embodiment principle and has the beneficial effect that
1, when present embodiment device is run, startup power supply, the cathode chamber being arranged respectively to 1 bottom of cathode chamber are intake first Pipe 5 and anode chamber's water inlet pipe 6 of 2 bottom of anode chamber setting are continuously passed through seawater as electrolyte;9 He of cathode chamber drainpipe simultaneously Anode chamber's drainpipe 10 drains;After being passed through oxygen by cloth gas chamber 8 of the oxygen inlet pipe 7 into cathode chamber 1, oxygen is in cloth gas chamber 8 It evenly distributes and enters cathode chamber 1 from the porous plate of 8 top surface of cloth gas chamber with aeration mode, 8 center of cloth gas chamber is arranged in cathode 3 Top, therefore cloth gas chamber 8 can be realized and carry out uniform aeration to two surfaces of cathode 3;By electro-catalysis process, oxygen is in yin 3 surface of pole generates hydrogen peroxide by two electron system of oxygen reduction in situ, and the hydrogen peroxide that 3 surface of cathode generates is dissolved in water Middle formation hydrogenperoxide steam generator is finally discharged from pole room drainpipe 9;A large amount of chloride ion is by electrification in the seawater of anode chamber 2 Chlorine is precipitated in anode in process, and chlorine is dissolved in water outlet water flow and generates hypochlorite, hypochlorite solution is ultimately formed, from anode chamber Drainpipe 10 is discharged;
2, present embodiment device can be stablized under low current density generates hydrogen peroxide, present embodiment anode and negative The minimum current density that pole applies is 10mA/cm2
3, the sun of 1 bottom of cathode chamber is arranged in present embodiment device cathode chamber water inlet pipe 5 and the setting of 2 bottom of anode chamber Pole room water inlet pipe 6 is continuously passed through seawater as electrolyte, and the hydrogen peroxide that 3 surface of cathode generates is dissolved in water to form peroxidating Hydrogen solution is finally discharged from pole room drainpipe 9;I.e. present embodiment device is continuous stream mode operation, can continue to generate Hydrogen peroxide solution, in continuous flow, the concentration highest stabilizing for the hydrogenperoxide steam generator that the utility model generates is in 26mg/L.
4, foamy carbon itself has electro-catalysis function, can utilize oxygen, by two-electron reduction system and then prepare Hydrogen oxide, present embodiment are adulterated using graphene or carbonitride and foamy carbon, can be improved the catalytic activity of electrode, further It improves the efficiency of hydrogen peroxide preparation and is conducive to the concentration of stable peroxide hydrogen;
Due to the structure that graphene has π-pi-conjugated, graphene is introduced to enhance in the foamy carbon of graphene doping The distribution capability and transfer ability of electrodic electron, while oxygen vacancies is introduced, hydrogen peroxide is enhanced in the life of the active site At, therefore can be improved catalytic activity;Similar is that the foamy carbon that carbonitride adulterates introduces more nitrogen holes, nitrogen The active site that the hydrogen peroxide that hole is used as generates, simultaneously because the electronegativity of nitrogen is stronger, therefore after carbonitride doping Electrodic electron transfer ability and distribution capability are improved, therefore can be improved catalytic activity;Foamy carbon has tolerance good and the longevity Long advantage is ordered, foamy carbon makes gained doping type foam carbon cathode be resistant to complicated water quality and have as electrode basement There is longer service life.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: the air inlet of the oxygen inlet pipe 7 End is connected to the gas outlet of oxygenerator.Other steps and parameter are same as the specific embodiment one.
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that: the cathode 3 and power supply Cathode is connected by conducting wire;Anode 4 is connect with positive pole by conducting wire;The current density that positive pole applies to anode 4 is most Low is 10mA/cm2;The minimum 10mA/cm of current density applied to anode 42.Other steps and parameter and specific embodiment One or two is identical.
Specific embodiment 4: unlike one of present embodiment and specific embodiment one to three: the cathode chamber 1 It is identical with the hydraulic detention time of anode chamber 2.Other steps and parameter are identical as one of specific embodiment one to three.
Specific embodiment 5: present embodiment is unlike specific embodiment four: the cathode chamber 1 and anode chamber 2 hydraulic detention time is 70s~280s.Other steps and parameter are identical as specific embodiment four.
Specific embodiment 6: unlike one of present embodiment and specific embodiment one to five: the graphene The foamy carbon of doping the preparation method comprises the following steps: using hummers method graphene, by graphene dispersion second alcohol and water mixing In liquid, mixed liquor is transferred in hydrothermal reaction kettle, is put into block-like foamy carbon, is heated under the conditions of 175~185 DEG C of oil bath It 5.6~6.5 hours, that is, completes;The quality of graphene is 60~100mg in the mixed liquor of the second alcohol and water, second alcohol and water The volume of mixed liquor is 295~305ml, and the mixed liquor of second alcohol and water is (1.9~2.1) by second alcohol and water by volume: 1 mixing It forms;Foamy carbon is cube block, and specification is (49~51) mm × 25mm × 3mm.Other steps and parameter and specific embodiment party One of formula one to five is identical.
Specific embodiment 7: unlike one of present embodiment and specific embodiment one to six: the carbonitride The foamy carbon of doping the preparation method comprises the following steps: taking urea to be placed in ceramic crucible, by crucible and in Muffle furnace, at 545~555 DEG C Lower calcining 1.9~2.1 hours, obtains calcined powder;2.3~2.5g calcined powder is taken to be added to 495~505mL sulfuric acid and nitric acid Mixed liquor in stir 1.9~2.1 hours, then filter out the solid in mixed liquor, solid be centrifuged and is washed, finally Solid after centrifugation and washing is placed in drying 47~49 hours in 79~81 DEG C of vacuum oven, obtains g-C3N4;By g- Mixed liquor is transferred in hydrothermal reaction kettle by C3N4 ultrasonic disperse in the mixed liquor of second alcohol and water, is put into block-like foamy carbon, It heats 5.6~6.5 hours, that is, completes under the conditions of 175~185 DEG C of oil bath;G-C3N4 in the mixed liquor of the second alcohol and water Quality be 60~100mg, the volume of the mixed liquor of second alcohol and water is 295~305ml, the mixed liquor of second alcohol and water by ethyl alcohol and Water is (1.9~2.1) by volume: 1 mixes;Foamy carbon is cube block, specification be (49~51) mm × 25mm × 3mm;The mixed liquor of the sulfuric acid and nitric acid is that the 1:1 concentrated sulfuric acid and nitric acid mix by volume ratio;The mass fraction of the concentrated sulfuric acid It is 98%;The mass fraction of concentrated nitric acid is 68%.Other steps and parameter are identical as one of specific embodiment one to six.
Specific embodiment 8: the electrochemical appliance that present embodiment prepares hydrogen peroxide goes out in wastewater treatment and microorganism Application in work.
The electrochemical appliance that present embodiment prepares hydrogen peroxide can generate the hydrogenperoxide steam generator of continuous flow, by this mistake It, can be continuously to wastewater treatment after the electrochemical appliance of hydrogen oxide preparation is connect with wastewater treatment equipment or microorganism inactivating device Device or microorganism inactivating device supply hydrogenperoxide steam generator can be improved existing wastewater treatment equipment or micro- life as oxidant The powder feeding efficiency of object inactivating device can also improve treatment effeciency at the same time.
Specific embodiment 9: present embodiment is unlike specific embodiment eight: described prepares hydrogen peroxide Electrochemical appliance in wastewater treatment and bacteria inactivation rate application specifically sequentially include the following steps:
The oxidant inlet of cathode chamber drainpipe 9 and wastewater treatment equipment that the electrochemical appliance of hydrogen peroxide will be prepared connects It is logical, or the cathode chamber drainpipe 9 of utility model device is connected to the oxidant inlet of microorganism inactivating device;Utilize cathode Room drainpipe 9 inputs hydrogenperoxide steam generator into wastewater treatment equipment or microorganism inactivating device as oxidant, that is, completes.Its His step and parameter are identical as specific embodiment eight.
Using following experimental verification the utility model has the beneficial effects that
Embodiment 1:
The electrochemical appliance that the utility model prepares hydrogen peroxide is made of cathode chamber 1, anode chamber 2, cathode 3 and anode 4; The cathode chamber 1 and anode chamber 2 are set side by side, and 1 side of cathode chamber is connected to 2 side of anode chamber by pipeline;Cathode 3 and anode 4 be tabular, and cathode 3 is vertically provided in cathode chamber 1, and anode 4 is vertically provided in anode chamber 2;1 bottom of cathode chamber is provided with Cathode chamber water inlet pipe 5 and oxygen inlet pipe 7;Cloth gas chamber 8 is provided with below 1 inner cathode 3 of cathode chamber, 8 top surface of cloth gas chamber is porous plate; The bottom surface of cathode 3 is arranged towards 8 top surface middle line of cloth gas chamber;Cloth gas chamber 8 is connected to the outlet side of oxygen inlet pipe 7;3 top of cathode Cathode chamber drainpipe 9 is provided on the side wall of cathode chamber 1;2 bottom of anode chamber is provided with anode chamber's water inlet pipe 6,4 top of anode Anode chamber's drainpipe 10 is provided on 2 side wall of anode chamber;
The material of the cathode 3 is the foamy carbon of graphene doping;The anode 4 is boron-doped diamond electrode;It is described The inlet end of oxygen inlet pipe 7 is connected to the gas outlet of oxygenerator;The cathode 3 is connect with power cathode by conducting wire;Anode 4 with Positive pole is connected by conducting wire;The cathode chamber 1 is identical with the hydraulic detention time of anode chamber 2;Positive pole is applied to anode 4 The current density added is 10mA/cm2;The current density applied to anode 4 is 10mA/cm2;The cathode chamber 1 and anode chamber 2 Hydraulic detention time is identical;
The foamy carbon of graphene doping the preparation method comprises the following steps: using hummers method graphene, by graphene point It is dispersed in the mixed liquor of second alcohol and water, mixed liquor is transferred in hydrothermal reaction kettle, be put into block-like foamy carbon, at 180 DEG C It heats 6 hours, that is, completes under the conditions of oil bath;The quality of graphene is 80mg, second alcohol and water in the mixed liquor of the second alcohol and water The volume of mixed liquor be 300ml, the mixed liquor of second alcohol and water mixes by volume for 2:1 by second alcohol and water;Foamy carbon For cube block, specification is 50mm × 25mm × 3mm;
Fig. 2 is that the hydrogenperoxide steam generator concentration that generates under different hydraulic detention times of device is at any time in embodiment 1 Change curve;The corresponding hydraulic detention time of curve 1~3 is 70s, 140s and 280s in Fig. 2;Fig. 2, it can be seen that After 10min, concentration of hydrogen peroxide value caused by device starts the value that tends towards stability in embodiment 1;And when with hydraulic retention Between increase, concentration of hydrogen peroxide caused by device increases in embodiment 1.When hydraulic detention time is 70s, what device generated Concentration of hydrogen peroxide is stablized in 10mg/L.
Embodiment 2:
The present embodiment is unlike the first embodiment: the material of the cathode 3 is foamy carbon;Hydraulic detention time is 70s. When hydraulic detention time is 70s in embodiment 2, the concentration of hydrogen peroxide that device generates is less than 1mg/L.
Embodiment 3:
The electrochemical appliance that the utility model prepares hydrogen peroxide is made of cathode chamber 1, anode chamber 2, cathode 3 and anode 4; The cathode chamber 1 and anode chamber 2 are set side by side, and 1 side of cathode chamber is connected to 2 side of anode chamber by pipeline;Cathode 3 and anode 4 be tabular, and cathode 3 is vertically provided in cathode chamber 1, and anode 4 is vertically provided in anode chamber 2;1 bottom of cathode chamber is provided with Cathode chamber water inlet pipe 5 and oxygen inlet pipe 7;Cloth gas chamber 8 is provided with below 1 inner cathode 3 of cathode chamber, 8 top surface of cloth gas chamber is porous plate; The bottom surface of cathode 3 is arranged towards 8 top surface middle line of cloth gas chamber;Cloth gas chamber 8 is connected to the outlet side of oxygen inlet pipe 7;3 top of cathode Cathode chamber drainpipe 9 is provided on the side wall of cathode chamber 1;2 bottom of anode chamber is provided with anode chamber's water inlet pipe 6,4 top of anode Anode chamber's drainpipe 10 is provided on 2 side wall of anode chamber;The material of the cathode 3 is the foamy carbon of carbonitride doping;The sun Pole 4 is boron-doped diamond electrode.
The inlet end of the oxygen inlet pipe 7 is connected to the gas outlet of oxygenerator;The cathode 3 passes through conducting wire with power cathode Connection;Anode 4 is connect with positive pole by conducting wire;The current density that positive pole applies to anode 4 is 10mA/cm2;On the sunny side The current density that pole 4 applies is 10mA/cm2;The cathode chamber 1 is identical with the hydraulic detention time of anode chamber 2;
The foamy carbon of carbonitride doping the preparation method comprises the following steps: taking urea to be placed in ceramic crucible, by crucible and in horse Not in furnace, is calcined 2 hours at 550 DEG C, obtain calcined powder;2.4g calcined powder is taken to be added to 500mL sulfuric acid and nitric acid Stirred 2 hours in mixed liquor, then filter out the solid in mixed liquor, solid is centrifuged and is washed, finally will centrifugation and Solid after washing is placed in drying 48 hours in 80 DEG C of vacuum oven, obtains g-C3N4;By g-C3N4 ultrasonic disperse in second In the mixed liquor of alcohol and water, mixed liquor is transferred in hydrothermal reaction kettle, is put into block-like foamy carbon, in 180 DEG C of oil bath item It heats 6 hours, that is, completes under part;The quality of g-C3N4 is 80mg, the mixing of second alcohol and water in the mixed liquor of the second alcohol and water The volume of liquid is 300ml, and the mixed liquor of second alcohol and water is mixed by volume for 2:1 by second alcohol and water;Foamy carbon is cube Body block, specification are 50mm × 25mm × 3mm;The mixed liquor of the sulfuric acid and nitric acid is that the 1:1 concentrated sulfuric acid and nitric acid mix by volume ratio It closes;The mass fraction of the concentrated sulfuric acid is 98%;The mass fraction of concentrated nitric acid is 68%.
Fig. 3 is that the hydrogenperoxide steam generator concentration that generates under different hydraulic detention times of device is at any time in embodiment 3 Change curve;The corresponding hydraulic detention time of curve 1~3 is 70s, 140s and 280s in Fig. 3;Fig. 3, it can be seen that After 5min, concentration of hydrogen peroxide value caused by device starts the value that tends towards stability in embodiment 3;And with hydraulic detention time Increase, concentration of hydrogen peroxide caused by device increases in embodiment 3.When hydraulic detention time is 280s, what device generated The concentration highest stabilizing of hydrogenperoxide steam generator is in 26mg/L.
Embodiment 4:
The present embodiment is as different from Example 3: the material of the cathode 3 is foamy carbon;Hydraulic detention time is 70s. When hydraulic detention time is 70s in embodiment 4, the concentration of hydrogen peroxide highest 1.1mg/L of device generation.

Claims (5)

1. a kind of electrochemical appliance for preparing hydrogen peroxide, it is characterised in that: the device is by cathode chamber (1), anode chamber (2), yin Pole (3) and anode (4) are constituted;
The cathode chamber (1) and anode chamber (2) are set side by side, and cathode chamber (1) side and anode chamber (2) side are connected by pipeline It is logical;Cathode (3) and anode (4) are tabular, and cathode (3) is vertically provided in cathode chamber (1), and anode (4) is vertically provided at sun In pole room (2);Cathode chamber (1) bottom is provided with cathode chamber water inlet pipe (5) and oxygen inlet pipe (7);Cathode chamber (1) inner cathode (3) Lower section is provided with cloth gas chamber (8), and cloth gas chamber (8) top surface is porous plate;The bottom surface of cathode (3) is towards cloth gas chamber (8) top surface middle line Setting;Cloth gas chamber (8) is connected to the outlet side of oxygen inlet pipe (7);It is provided on the side wall of cathode chamber (1) above cathode (3) Cathode chamber drainpipe (9);Anode chamber (2) bottom is provided with anode chamber's water inlet pipe (6), anode chamber (2) side wall above anode (4) On be provided with anode chamber's drainpipe (10).
2. the electrochemical appliance according to claim 1 for preparing hydrogen peroxide, it is characterised in that: the oxygen inlet pipe (7) Inlet end be connected to the gas outlet of oxygenerator.
3. the electrochemical appliance according to claim 1 or 2 for preparing hydrogen peroxide, it is characterised in that: the cathode (3) with Power cathode is connected by conducting wire;Anode (4) is connect with positive pole by conducting wire;The electricity that positive pole applies to anode (4) The minimum 10mA/cm of current density2;The minimum 10mA/cm of current density applied to anode (4)2
4. the electrochemical appliance according to claim 3 for preparing hydrogen peroxide, it is characterised in that: the cathode chamber (1) and The hydraulic detention time of anode chamber (2) is identical.
5. the electrochemical appliance according to claim 4 for preparing hydrogen peroxide, it is characterised in that: the cathode chamber (1) and The hydraulic detention time of anode chamber (2) is 70s~280s.
CN201821691369.1U 2018-10-18 2018-10-18 A kind of electrochemical appliance preparing hydrogen peroxide Active CN208844203U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109279691A (en) * 2018-10-18 2019-01-29 哈尔滨工业大学 A kind of electrochemical appliance preparing hydrogen peroxide and application
CN113416966A (en) * 2021-07-30 2021-09-21 联科华技术有限公司 Monoatomic catalyst for preparing hydrogen peroxide by electrocatalysis, preparation method and application thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109279691A (en) * 2018-10-18 2019-01-29 哈尔滨工业大学 A kind of electrochemical appliance preparing hydrogen peroxide and application
CN113416966A (en) * 2021-07-30 2021-09-21 联科华技术有限公司 Monoatomic catalyst for preparing hydrogen peroxide by electrocatalysis, preparation method and application thereof
CN113416966B (en) * 2021-07-30 2023-09-22 联科华技术有限公司 Monoatomic catalyst for preparing hydrogen peroxide by electrocatalytic reaction, preparation method and application thereof

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