CN109534461A - A kind of continuous filtering type device for electrochemical water preparation based on whole multichannel porous electrode - Google Patents
A kind of continuous filtering type device for electrochemical water preparation based on whole multichannel porous electrode Download PDFInfo
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- CN109534461A CN109534461A CN201910006357.3A CN201910006357A CN109534461A CN 109534461 A CN109534461 A CN 109534461A CN 201910006357 A CN201910006357 A CN 201910006357A CN 109534461 A CN109534461 A CN 109534461A
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- metal mesh
- structure electrode
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention provides a kind of continuous filtering type device for electrochemical water preparation based on whole multichannel porous electrode, and core is the overall structure electrode that with a large amount of micron-sized channels and channel surface is gathered microporous mesoporous.The continuous filtering type device for electrochemical water preparation includes pedestal, metal mesh, flanged joint, washer, overall structure electrode, waterproof insulation bed course, crust of the device, metal mesh, dead ring, top cover, contact conductor and gas outlet.Continuous filtering type device for electrochemical water preparation of the invention be axially through a large amount of micron-sized channels can reduce water resistance, forming turbulent flow makes to increase into the mesoporous collision opportunity on water particle and electrode channel wall, improves the efficiency of electrochemical decomposition water pollutant.The device can be used for handling the pollutants such as drinking water, sanitary sewage, the organic matter in industrial wastewater, ammonia nitrogen, metal ion, microorganism, nitrate anion, have many advantages, such as structurally and operationally it is simple, processing speed is fast, occupied area is small, low energy consumption, electrode life is long.
Description
Technical field
The present invention relates to a kind of continuous filtering type device for electrochemical water preparation based on whole multichannel porous electrode.
Background technique
With the rapid development of economy, the quantity of wastewater effluent in China is continuously increased, and the water quality requirement discharged gradually rises,
Traditional water treatment technology such as physical filtering adsorbs, and activated sludge process and biofilm etc. are difficult to meet growing water
Discharge standard is handled, therefore novel water treatment technology is gradually developed, such as electrochemical filtration technology.Existing electrochemistry mistake
It filters in device using conductive micro-filtration, ultrafiltration, nanofiltration membrane, filters channel diameter in 1nm-500nm, need certain hydraulic pressure that could drive
Filter membrane is run water through, in order to reduce required pressure, it is necessary to control filter layer thickness, general control is within the scope of 100nm, therefore
Hydraulic detention time is shorter；Conductive filter laminate is generally made of nanotube, graphene, carbon dust, grain active carbon etc., utilizes bonding
Agent or chemistry key connection, are supported on ceramic bases, polyurethane, nylon, polypropylene, cellulose acetate fibre, carbon fiber, carbon felt etc.
In substrate, conductive particle is easy to fall off from seperation film in practical water treatment procedure.
Summary of the invention
The purpose of the invention is to provide a kind of continuous filter type electric chemical water based on whole multichannel porous electrode
Processing unit devises a kind of adjustable thickness, duct and aperture is controllable, easily prepared and cheap whole multichannel is porous
The continuous filtering type device for electrochemical water preparation of electrode, electrode material is overall structure in the device, without structural unit, is not deposited
The problem of conductive filter laminate falls off；It is required to cross water pressure very little with 1 μm -300 μm of vertical penetrating duct, and it is easy shape
Mass-transfer efficiency of the pollutant to electrode surface is improved at turbulent flow；With the micropore of 1nm-100nm and mesoporous in cell walls, improve
Electrode surface area, so that rate of contaminant degradation is high.In addition to this, water flow flows from bottom to up in reaction unit, anode pair
Reacting the hydrogen that the oxygen generated and cathode generate can be discharged from gas outlet 12, normally transport to prevent gas buildup from influencing device
Row.
Technical solution of the present invention:
A kind of continuous filtering type device for electrochemical water preparation based on whole multichannel porous electrode, including pedestal 1, metal
Net, flange 3, washer 4, overall structure electrode 5, waterproof insulation bed course 6, crust of the device 7, dead ring 9, top cover 10, electrode connection
Line 11 and gas outlet 12；
Overall structure electrode 5 is housed, the top of overall structure electrode 5 is provided with metal mesh 28, metal mesh two inside device
8 are fixed by the top cover 10 above it；The lower section of overall structure electrode 5 is equipped with metal mesh 1, and metal mesh 1 passes through it
The pedestal 1 of lower section is fixed；
It is fixed by waterproof insulation bed course 6 between the overall structure electrode 5 and device inner wall, waterproof insulation bed course 6
Play the role of preventing the short stream of reaction unit；
1 side of pedestal is equipped with water inlet, and 10 side of top cover is equipped with water outlet, is equipped with gas outlet above top cover 10
12；Top cover 10 and pedestal 1 have electrode connecting line, play the role of connecting overall structure electrode 5 and electrode connecting line 11,
It is fixed by top cover 10 and crust of the device 7；
The top cover 10 is connect by flange 3 with crust of the device 7, pedestal 1 with crust of the device 7, the silicon between flange
Rubber gasket 4 plays the role of anti-locking apparatus leak.
The overall structure electrode 5 can be used as cathode and anode simultaneously, and dead ring 9 is equipped between anode and cathode to prevent from filling
Set short circuit.
The overall structure electrode 5 can also be only used as cathode or anode, at this time metal mesh as corresponding cathode or
Anode is equipped with dead ring 9 still at this time to prevent locking apparatus short circuit between metal mesh and overall structure electrode 5.
The overall structure electrode 5 has a large amount of axial passages, and equivalent diameter is close at 1 μm -300 μm, and on conduit wall
Cloth aperture, pore size is between 1nm-100nm；And electrode constituent is uniform, not stratified, each section does not have the considerable color looked into
Difference；And there are certain shapes and mechanical strength, can prepare, can recognize component without optical microscopy.
Beneficial effects of the present invention: continuous filtering type device for electrochemical water preparation of the invention overcomes common electrochemistry mistake
The disadvantages of device electrode active layer is easy to fall off, only surface participates in reaction is filtered, the hydraulic detention time of same treatment effect is reached
It is significant to shorten, the occupied area of engineer application can be reduced.
Detailed description of the invention
Fig. 1 is that a kind of continuous filtering type device for electrochemical water preparation based on whole multichannel porous electrode of the present invention is implemented
Mode 1-3 schematic diagram；
Fig. 2 is that a kind of continuous filtering type device for electrochemical water preparation based on whole multichannel porous electrode of the present invention is implemented
4 schematic diagram of mode.
In figure: 1 pedestal；2 metal meshes one；3 flanges；4 washers；5 overall structure electrodes one；6 waterproof insulation bed courses；7 devices
Shell；8 metal meshes two；9 dead rings；10 top covers；11 electrode connecting lines；12 gas outlets, 13 overall structure electrodes two.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in more detail.
Specific embodiment 1: as shown in Figure 1, at the electrochemical filtration water of overall structure electrode described in present embodiment
Device is managed by pedestal 1, metal mesh, flange 3, washer 4, overall structure electrode 5, waterproof insulation bed course 6, crust of the device 7, dead ring
9, top cover 10, electrode connecting line line 11 and gas outlet 12 are constituted；Device be followed successively by from bottom to top device pedestal 1, metal mesh 1,
Overall structure electrode 5, dead ring 9, metal mesh 28 and top cover 10, under such mounting means, overall structure electrode 5 is as yin
Pole, can be have the present invention claims whole multichannel porous carbon electrodes, obtained as being carbonized after Wood carbonization or organic matter fermentation
Whole multichannel carbon block；Sewage bottom in and top out, first passes through cathode material, after by anode metal net, cathode dissolution oxygen is gone back
Originate in raw H2O2、H2O2Electronics further is obtained in cathode and generates OH, and OH oxidisability is strong, and it is organic to degrade to non-selectivity
Pollutant realizes the processing of sewage；The hydrogen that cathode side reaction generates in this way can be carried over water flow, with anode
The oxygen of generation is discharged into atmosphere from gas outlet together, prevents reactor from influencing reaction unit electric conductivity because gas is accumulative.
Specific embodiment 2: as shown in Figure 1, at the electrochemical filtration water of overall structure electrode described in present embodiment
Device is managed by pedestal 1, metal mesh 1, flanged joint 3, washer 4, overall structure electrode 5, waterproof insulation bed course 6, crust of the device
7, metal mesh 28, dead ring 9, top cover 10, electrode connecting line 11 and gas outlet 12 are constituted；Device is followed successively by pedestal from bottom to top
1, metal mesh 1, overall structure electrode 5, dead ring 9, metal mesh 28 and top cover 10, under such mounting means, overall structure
Electrode can be the wooden carbon overall structure material, fermentation porous carbon, carbon felt etc. as cathode, specific material, and sewage bottom in and top out first passes through
Cross cathode material, after by anode metal net, utilize cathodic electrolytic water to generate OH-, it is anti-that chemistry occurs with calcium ions and magnesium ions in water
Calcium hydroxide, magnesium hydrate precipitate should be generated, to have the function that hardness in water removal.
Specific embodiment 3: as shown in Figure 1, at the electrochemical filtration water of overall structure electrode described in present embodiment
Device is managed by pedestal 1, metal mesh 1, flanged joint 3, washer 4, overall structure electrode 5, waterproof insulation bed course 6, crust of the device
7, metal mesh 28, dead ring 9, top cover 10, electrode connecting line 11 and gas outlet 12 are constituted；Device is followed successively by pedestal from bottom to top
1, metal mesh 1, overall structure electrode 5, dead ring 9, metal mesh 28 and top cover 10, in this case, overall structure electrode
As anode, the composite material that material can be but be not limited to carbon material, load carbon, for the experiment that sterilizes, water flow is from bottom to top, first
First overall structure electrode can play the role of filtering, filter out the bacterium that a part is relatively large in diameter, in addition to this, overall structure
Electrode can directly generate OH active material as anode, and OH can be strong with oxidisability, can direct oxidation bacterium, lose bacterium
It is living, to achieve the purpose that sterilizing.
Specific embodiment 4: as shown in Fig. 2, at the electrochemical filtration water of overall structure electrode described in present embodiment
Device is managed by pedestal 1, metal mesh 1, flange 3, washer 4, overall structure electrode 5, waterproof insulation bed course 6, crust of the device 7, gold
Belong to net 28, dead ring 9, top cover 10, electrode connecting line 11, gas outlet 12 and overall structure electrode 13 to constitute；Device is from bottom to top
It is followed successively by pedestal 1, metal mesh 1, overall structure electrode 5, dead ring 9, overall structure electrode 13, metal mesh 22 and top cover 9,
Water flow flows from below to up, first passes through metal mesh two, after by cathode and anode overall structure electrode, in this way, anode and cathode
It is all overall structure electrode, the oxygen that anode side reaction generates can increase content of oxygen dissolved in water, produce as cathodic oxygen reduction
The substrate of hydrogen peroxide increases the yield of hydrogen peroxide；Anode can be foamed iron, ferrous metal net, load iron material or can give birth to
At the material of free ferrous iron, it can also be directly added into ferrous ion in water, or use light as activation of catalyst peroxide
Change hydrogen and generate OH, realizes effective degradation of dirty Organic substance in water.The hydrogen that anode remaining oxygen and cathode generate in this mode
Gas is discharged into atmosphere with water flow from gas outlet, prevents reactor from influencing reaction unit electric conductivity because gas is accumulative.
Claims (4)
1. a kind of continuous filtering type device for electrochemical water preparation based on whole multichannel porous electrode, which is characterized in that described
The continuous filtering type device for electrochemical water preparation based on whole multichannel porous electrode include pedestal (1), metal mesh, flange
(3), washer (4), overall structure electrode (5), waterproof insulation bed course (6), crust of the device (7), dead ring (9), top cover (10), electricity
Pole connecting line (11) and gas outlet (12)；
Overall structure electrode (5) are housed inside device, overall structure electrode is provided with metal mesh two (8), metal mesh above (5)
Two (8) are fixed by the top cover (10) above it；The lower section of overall structure electrode (5) is equipped with metal mesh one (2), metal mesh
One (2) are fixed by pedestal (1) below；
It is fixed by waterproof insulation bed course (6) between the overall structure electrode (5) and device inner wall, waterproof insulation bed course (6)
Also function to the effect for preventing the short stream of reaction unit；
Pedestal (1) side is equipped with water inlet, and top cover (10) side is equipped with water outlet, is equipped with gas outlet above top cover (10)
(12)；Top cover (10) and pedestal (1) have electrode connecting line, play connection overall structure electrode (5) and electrode connecting line
(11) effect, it is fixed by top cover (10) and crust of the device (7)；
The top cover (10) and crust of the device (7), pedestal (1) are connect by flange (3) with crust of the device (7), flange it
Between silicone gasket (4) play the role of anti-locking apparatus leak；
Dead ring (9) are equipped between anode and cathode.
2. the continuous filtering type device for electrochemical water preparation according to claim 1 based on whole multichannel porous electrode,
It is characterized in that, at least one overall structure electrode in the device, wherein when anode and cathode is overall structure electrode
(5) dead ring (9) are equipped with when, between anode and cathode to prevent locking apparatus short circuit.
3. the continuous filtering type device for electrochemical water preparation according to claim 2 based on whole multichannel porous electrode,
It is characterized in that, metal mesh is as corresponding anode at this time when only cathode or anode are overall structure electrode in the device
Or cathode, dead ring (9) are equipped between metal mesh and overall structure electrode (5) still at this time to prevent locking apparatus short circuit.
4. the continuous filter type electric Water Treatment according to claim 1 to 3 based on whole multichannel porous electrode
Device, which is characterized in that the overall structure electrode (5) has a large amount of axial passages, equivalent diameter at 1 μm -300 μm, and
Gather aperture on conduit wall, and pore size is between 1nm-100nm；And there are certain shapes and mechanical strength, can prepare, is aobvious without optics
Micro mirror can recognize component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006357.3A CN109534461A (en) | 2019-01-04 | 2019-01-04 | A kind of continuous filtering type device for electrochemical water preparation based on whole multichannel porous electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006357.3A CN109534461A (en) | 2019-01-04 | 2019-01-04 | A kind of continuous filtering type device for electrochemical water preparation based on whole multichannel porous electrode |
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| CN109534461A true CN109534461A (en) | 2019-03-29 |
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| CN201910006357.3A Pending CN109534461A (en) | 2019-01-04 | 2019-01-04 | A kind of continuous filtering type device for electrochemical water preparation based on whole multichannel porous electrode |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092450A (en) * | 2019-04-15 | 2019-08-06 | 大连理工大学 | A kind of device for electrochemical water preparation |
| CN111153471A (en) * | 2020-01-12 | 2020-05-15 | 大连理工大学 | Integral multi-channel electrode for sequential reduction and oxidation of halogenated organic matters |
| CN111186884A (en) * | 2020-01-12 | 2020-05-22 | 大连理工大学 | Device for reducing nitrate in saline water into nitrogen gas through circulation type electrochemistry |
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| US20050263453A1 (en) * | 2001-08-23 | 2005-12-01 | The Procter & Gamble Company | Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110092450A (en) * | 2019-04-15 | 2019-08-06 | 大连理工大学 | A kind of device for electrochemical water preparation |
| CN110092450B (en) * | 2019-04-15 | 2021-06-08 | 大连理工大学 | Electrochemical water treatment device |
| CN111153471A (en) * | 2020-01-12 | 2020-05-15 | 大连理工大学 | Integral multi-channel electrode for sequential reduction and oxidation of halogenated organic matters |
| CN111186884A (en) * | 2020-01-12 | 2020-05-22 | 大连理工大学 | Device for reducing nitrate in saline water into nitrogen gas through circulation type electrochemistry |
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Application publication date: 20190329 |
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