CN104587841A - Conductive filter membrane and preparation method and application thereof - Google Patents
Conductive filter membrane and preparation method and application thereof Download PDFInfo
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- CN104587841A CN104587841A CN201510040532.2A CN201510040532A CN104587841A CN 104587841 A CN104587841 A CN 104587841A CN 201510040532 A CN201510040532 A CN 201510040532A CN 104587841 A CN104587841 A CN 104587841A
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- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
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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
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Abstract
The invention discloses a conductive filter membrane and a preparation method and application thereof. The conductive filter membrane is prepared from a conductive material and auxiliary fiber and/or functional filler; the conductive film membrane can be applied to water purification treatment. The electrochemical principle and composite nano membrane are combined and creatively applied to the field of water purification, the position electrode and the negative electrode of the electrochemical principle are respectively used for generating oxidation reactions, and excellent conductivity of each of carbon nano tube, carbon nano-fiber, carbon fiber, graphene, nano-copper and nano-silver is utilized. The electrochemical principle and composite nano membrane are combined so as to be applied to the field of water purification, not only can the bacteria and organic substance in the water be removed, but also the harmful heavy metal in the water can be removed.
Description
Technical field
The present invention relates to field of material technology, particularly relate to a kind of conduction filter membrane and its preparation method and application.
Background technology
Water is Source of life, and in recent years along with industrial expansion, the event of the pollution of waterhead that exposure chemical plant causes happens occasionally, and the water pollutions that heavy metal causes, as arsenic, lead doping etc., has become the stealthy killer that harm people are healthy.Current industrial common method for purifying water mainly contains: filter the method such as (comprising nanofiltration and micro-filtration), counter-infiltration, electrochemistry.Such as, disclose the filtering material of a kind of active carbon or carried by nano carbon fiber nano metal material in patent of invention 201310730485.5; Patent of invention 200680036553.6 discloses a kind of method of being produced filtration core by activated carbon supported CNT; 200780022554.X a kind of method that utility model patent discloses Electro Sorb to dispose of sewage; The principle that above-mentioned two inventions are purified waste water have employed the method for filtering and adsorb to purify waste water.With to filter and the method for absorption is purified waste water two difficult problems: 1. the adsorbance of unit materials is limited, causes Water warfare efficiency low, needs multi-stage absorption or a large amount of sorbing materials could realize the object of water purification; 2. by bacterium and microorganism adsorption at filter media surface, be easy to the secondary pollution causing water body; Patent of invention 200610043827.6 discloses a kind of method that milipore filter purifies waste water, patent of invention 200610015370.8 discloses a kind of method that milipore filter is purified waste water.Simple ultrafiltration and microfiltration membranes cannot filtering heavy metals, this is determined by the pore size filter of its film, because the pore size filter of milipore filter is generally 0.1 ~ 0.01um (micron), and the diameter 0.28nm (nanometer) of heavy metal such as plumbous Pb2+ ion, be completely by milipore filter aperture.Patent of invention 201380002254.0 discloses a kind of production method of reverse osmosis membrane of filtered water; There are two difficult problems in reverse osmosis-purified water: 1. can produce a large amount of waste water while reverse osmosis-purified water, and reverse osmosis membrane often produces 1 ton of pure water can produce 2-4 ton waste water; 2. mode of reverse osmosis process water can remove the useful sodium of human body, potassium, zinc in the lump by water, and is not suitable for people and drinks.
Therefore need to develop a kind of novel membrane material being suitable for water cleaning systems.
Summary of the invention
Based on this, the object of this invention is to provide a kind of conduction filter membrane being applicable to purifying water process.
Concrete technical scheme is as follows:
A kind of conduction filter membrane, this conduction filter membrane is prepared from primarily of conductive material and auxiliary material, described conductive material accounts for the 5-100% of conductive material and auxiliary material gross mass, described conductive material is selected from CNT, be of a size of in the carbon fiber of 1-10 μm, carbon nano-fiber, Graphene, NANO CRYSTAL COPPER WIRE, nano-silver thread or conductive wire one or more, described auxiliary material comprises auxiliary fiber and/or functional stuffing.
Wherein in an embodiment, described auxiliary fiber is selected from one or more in paper pulp fiber, tencel fiber, ES fiber, glass fibre, polyster fibre, aramid fiber or polytetrafluoroethylene fibre.
Wherein in an embodiment, described functional stuffing is selected from one or more in nano-Ag particles, active carbon particle, activated carbon fiber, aluminium oxide or titanium dioxide.
Wherein in an embodiment, the electrical conductivity of this conduction filter membrane is 500-20000s/m.
Another object of the present invention is to provide the preparation method of above-mentioned conduction filter membrane.
Concrete technical scheme is as follows:
The preparation method of above-mentioned conduction filter membrane, comprises the steps:
Conductive fiber is carried out surface hydrophilic process, then mixes with auxiliary fiber and be scattered in water, and then add functional stuffing and retention agent, finally manufacture paper with pulp on a papermaking machine, dry, obtain described conduction filter membrane;
Or, one or more in CNT, carbon nano-fiber, Graphene are mixed with the carbon fiber being of a size of 1-10 μm and are scattered in water, then manufacture paper with pulp on a papermaking machine, dry, applying glue, drying, then carry out high temperature graphitization, obtain described conduction filter membrane;
Or, conductive material is heated back loading on asphalt base carbon fiber precursor or the fine precursor of polypropylene, then carry out pre-oxidation, charing, graphitization, respin into carbon cloth, utilize electrochemistry or chemical deposition to be carried on carbon cloth by functional stuffing, obtain described conduction filter membrane.
Wherein in an embodiment, described retention agent is polyacrylamide.
Another object of the present invention is to provide the application of above-mentioned conduction filter membrane.
Concrete technical scheme is as follows:
The application of above-mentioned conduction filter membrane in purifying water process.
Another object of the present invention is to provide a kind of high-efficiency water purifying treatment device.
Concrete technical scheme is as follows:
A kind of high-efficiency water purifying treatment device, comprise power supply and housing, at least one cathode film and at least one negative electrode film is provided with successively along water flow direction in described housing, described cathode film is the conduction filter membrane described in any one of claim 1-4 that is connected with described positive source, and described negative electrode film is the conduction filter membrane described in any one of claim 1-4 that is connected with described power cathode.
Wherein in an embodiment, be also provided with between described cathode film with described negative electrode film and be separated support membrane.
Principle and advantage of the present invention is as follows:
Core of the present invention is the conduction filter membrane prepared by conductive material and auxiliary fiber and/or functional stuffing, mechanics and conducting matrix grain is served as with micron order crude fibre (comprising the carbon fiber in auxiliary fiber and conductive material and conductive wire) in conduction filter membrane, nanofiber (comprising CNT, carbon nano-fiber, Graphene etc.) is evenly attached on micron order crude fibre, and functional stuffing is then uniformly distributed among conduction filter membrane.Conduction filter membrane utilizes the excellent beneficial electric conductivity of CNT, carbon nano-fiber, carbon fiber, nano-silver thread, NANO CRYSTAL COPPER WIRE, metal conductive wire, utilizes electrochemical principle to purify waste water.Conduction filter membrane is connected on power supply, utilizes principle of electrochemical reaction, connect the film generation oxidation reaction of positive pole, can except the bacterium in anhydrating and organic matter; To the water of organic and bacterium be removed by connecing the conduction filter membrane of power cathode again, utilize principle of electrochemical reaction, connect the film generation reduction reaction of negative pole, heavy metal ion copper, iron, mercury, manganese, lead, nickel, chromium obtain electronics and are reduced into metal (negative reaction is listed).Sodium in water, potassium, calcium, magnesium are lower due to standard electrode potential, can not obtain electron reduction and become metal, therefore still stay in water by this method, and the water drunk containing the above-mentioned metal of trace is useful to human body.Therefore the present invention not only can except the bacterium in anhydrating, organic matter, heavy metal but also can some metal ion useful to people of selective maintenance.
Cu
2++2e
-—Cu
Fe
3++3e
-—Fe
Hg
2++2e
-—Hg
Mn
2++2e
-—Mn
Ni
2++2e
-—Ni
Cd
2++2e
—Cd
Electrochemical principle and composite nanometer film creatively combine and are used for Water warfare field by the present invention, both make use of electrochemical principle positive pole and oxidation reaction and oxidation reaction occur negative pole respectively, also utilize the electric conductivity of CNT, carbon nano-fiber, carbon fiber, Graphene, Nanometer Copper, Nano Silver excellence.Both combine be used for Water warfare field can except the bacterium in anhydrating and organic matter, again can except heavy metal harmful in anhydrating.
Accompanying drawing explanation
Fig. 1 is the structural representation of high-efficiency water purifying treatment device described in embodiment 1;
Fig. 2 is the cross-sectional view of high-efficiency water purifying treatment device described in embodiment 2;
Fig. 3 is the cross section structure schematic diagram of high-efficiency water purifying treatment device described in embodiment 2.
Description of reference numerals:
201, water inlet; 202, housing; 203, cathode film; 204, negative electrode film; 205, delivery port; 206, power supply; 207, support membrane is separated.
Detailed description of the invention
By the following examples the application is further elaborated.
Embodiment 1
The present embodiment one conduction filter membrane, this conduction filter membrane is prepared from primarily of conductive material and auxiliary fiber, described conductive material accounts for 15% of conductive material and auxiliary fiber gross mass, and described conductive material is carbon nano-fiber, and described auxiliary fiber is paper pulp fiber and aramid fiber.The electrical conductivity of this conduction filter membrane is 3000s/m.
The preparation method of above-mentioned conduction filter membrane, comprises the steps:
Carbon nano-fiber is carried out oxidation processes in Fenton reagent, and cleaning, makes it connect hydroxyl, be scattered in again in the aqueous solution, made carbon nanofiber dispersion liquid, the paper pulp fiber of 65% and the aramid fiber of 20% are scattered in water, carry out light beating, make slurries; Carbon nanofiber dispersion liquid is added in slurries, fully mix, add polyacrylamide drainage aid, make hydroxylated carbon nano-fiber be adsorbed on paper pulp fiber, then carry out manufacturing paper with pulp shaping, dry, both must conduct electricity filter membrane.
A kind of high-efficiency water purifying treatment device of the present embodiment, as shown in Figure 1.
High-efficiency water purifying treatment device comprises power supply 206 and housing 202, is provided with cathode film 203 and negative electrode film 204 successively in housing along water flow direction, and described cathode film is the conduction filter membrane connecting positive source, and described negative electrode film is the conduction filter membrane connecting power cathode.First running water filters through 600 object filter membranes, and the running water having filtered impurity enters high-efficiency water purifying treatment device, successively by connecing the conduction filter membrane of positive source and connecing the conduction filter membrane of power cathode.Running water need through above-mentioned steps purification after water related data in table 1.
Embodiment 2
The present embodiment one conduction filter membrane, this conduction filter membrane is prepared from by conductive material and auxiliary material (auxiliary fiber and functional stuffing), described conductive material accounts for 50% of conductive material and auxiliary material gross mass, described conductive material is NANO CRYSTAL COPPER WIRE, Graphene and carbon fiber, and described auxiliary fiber is tencel fiber.The electrical conductivity of this conduction filter membrane is 8000s/m.
The preparation method of above-mentioned conduction filter membrane, comprises the steps:
The Graphene of 5% is carried out oxidation processes in Fenton reagent, and cleaning, makes it connect hydroxyl, is scattered in the aqueous solution, makes graphene dispersing solution; By the tencel fiber of 50%, the carbon fiber of 35% and 10% NANO CRYSTAL COPPER WIRE be scattered in water, stir, make slurries; Graphene dispersing solution is added in slurries, fully mix, add polyacrylamide drainage aid, make hydroxylated Graphene be adsorbed on paper pulp fiber, then carry out manufacturing paper with pulp shaping, dry, obtain conduction filter membrane, for both positive and negative polarity film.
A kind of high-efficiency water purifying treatment device of the present embodiment, as shown in Figures 2 and 3.
High-efficiency water purifying treatment device comprises power supply 206 and housing 202, is provided with cathode film 203 successively, is separated support membrane 207 and two negative electrode film 204 in housing along water flow direction; First running water filters through 600 object filter membranes, the running water having filtered impurity enters high-efficiency water purifying treatment device, again successively by connecing the conduction filter membrane of positive source and connect the conduction filter membrane of power cathode, running water need water related data after above-mentioned steps purification in table 1.
Embodiment 3
The present embodiment one conduction filter membrane, this conduction filter membrane is prepared from by conductive material and functional stuffing, and described conductive material accounts for 90% of conductive material and functional stuffing gross mass, and described conductive material is CNT and carbon fiber, and functional stuffing is titanium dioxide.The electrical conductivity of this conduction filter membrane is 20000s/m, as cathode film in high-efficiency water purifying treatment device.
The conduction filter membrane that another is connected with negative pole: conductive material accounts for 80% of conductive material and auxiliary fiber gross mass, described conductive material is CNT and carbon nano-fiber, and described auxiliary fiber is glass fibre and polyster fibre.The electrical conductivity of this conduction filter membrane is 10000s/m.
The preparation method of above-mentioned conduction filter membrane, comprises the steps:
Cathode film: CNT is heated to 180 degrees Celsius, then by the CNT of asphalt base carbon fiber precursor by heating, cooling, under whole process process is in nitrogen protection.To the asphalt base carbon fiber precursor of CNT be stained with under air conditions, under 200 DEG C of degree, namely pre-oxidation treatment 2h, then obtain through 500 DEG C of 2min, 800 DEG C of 1min and 1800 DEG C of 30s process the carbon fiber being with CNT successively, then this carbon fiber be spun into plain weave carbon fiber cloth; This carbon cloth is placed in titanium tetrachloride solution, electro-deposition one deck TiO2, cleaning, dries, then through 450 DEG C of nitrogen protective sintering 1 hour, obtain the conduction filter membrane for cathode film.
Negative electrode film: the carbon nano-fiber of the CNT of 65% and 15% is carried out oxidation processes in Fenton reagent, cleaning, makes it connect hydroxyl, is scattered in the aqueous solution, make CNT and carbon nanofiber dispersion liquid; 10% glass fibre and 10% polyster fibre are scattered in water, stir, make slurries; Carbon nano-fiber and carbon nano tube dispersion liquid are added in slurries, fully mixes, add polyacrylamide drainage aid, then carry out manufacturing paper with pulp shaping, dry, obtain conduction filter membrane, for negative electrode film.
A kind of high-efficiency water purifying treatment device of the present embodiment comprises power supply and housing, is provided with cathode film successively, is separated barrier film and negative electrode film in described housing along water flow direction.First running water filters through 600 object filter membranes, and after the running water having filtered impurity enters high-efficiency water purifying treatment device, successively by connecing the conduction filter membrane of positive source and connecing the conduction filter membrane of power cathode, the data of running water after above-mentioned steps purification are in table 1.
Embodiment 4
The present embodiment one conduction filter membrane, this conduction filter membrane is prepared from by conductive material and functional stuffing, described conductive material accounts for 80% of conductive material and functional stuffing gross mass, and described conductive material is carbon nano-fiber, CNT, carbon fiber, and functional stuffing is Nano Silver.The electrical conductivity of this conduction filter membrane is 16000s/m, as cathode film in high-efficiency water purifying treatment device.
The conduction filter membrane that another is connected with negative pole: conductive material accounts for 10% of conductive material and auxiliary material (auxiliary fiber and functional stuffing) gross mass, described conductive material is carbon nano-fiber, functional stuffing is active carbon, and described auxiliary fiber is aramid fiber and polyster fibre.The electrical conductivity of this conduction filter membrane is 800s/m.
The preparation method of above-mentioned conduction filter membrane, comprises the steps:
Cathode film: carbon fiber, carbon nano-fiber, CNT are manufactured paper with pulp into paper in the ratio mixing of 7:2:1; impregnated phenolic resin (viscosity 23mPa s) applying glue; after oven dry; 20min is solidified at 160 DEG C; and then under inert gas shielding; be warming up to 460 DEG C to preserve 1 hour, and then be warming up to 900 DEG C of preservations 1 hour, obtain carbon fiber paper.By this carbon fiber paper in the process of phosphoric acid electrochemical activation, rear cleaning, is placed in SnCl respectively
2and PdCl
2in carry out sensitized treatment, cleaning, the paper after process is placed in the silver ammino solution of 0.05mol/L, adds reducing agent formaldehyde, cleaning, drying i.e. the obtained conduction filter membrane containing Nano Silver.
Negative electrode film: the carbon nano-fiber accounting for conduction filter membrane gross mass 10% is carried out oxidation processes in Fenton reagent, and cleaning, makes it connect hydroxyl, be scattered in the aqueous solution, make carbon nanofiber dispersion liquid; The aramid fiber of 50% and the polyster fibre of 35% are scattered in water, stir, add the activated carbon of 5%, make slurries; Carbon nanofiber dispersion liquid is added in slurries, fully mix, add polyacrylamide drainage aid, then carry out manufacturing paper with pulp shaping, dry, obtain conduction filter membrane, for negative electrode film.
A kind of high-efficiency water purifying treatment device of the present embodiment, comprises power supply and housing, is provided with cathode film successively, is separated barrier film and negative electrode film in described housing along water flow direction.First running water filters through two-stage 300 object filter membrane, and the running water after impurity screening enters high-efficiency water purifying treatment device, and successively by connecing the conduction filter membrane of positive source and connecing the conduction filter membrane of power cathode, the data of running water after above-mentioned steps purification are in table 1.
Embodiment 5
The present embodiment one conduction filter membrane, this conduction filter membrane is prepared from by conductive material and auxiliary material (auxiliary fiber and functional stuffing), described conductive material accounts for 75% of conductive material and auxiliary material gross mass, described conductive material is development, Graphene, functional stuffing is nano-Ag particles, and described auxiliary fiber is ES fiber.The electrical conductivity of this conduction filter membrane is 20000s/m, as cathode film in high-efficiency water purifying treatment device.
The conduction filter membrane that another is connected with negative pole: conductive material accounts for 5% of conductive material and auxiliary material (auxiliary fiber and functional stuffing) gross mass, described conductive material is carbon nano-fiber, functional stuffing is active carbon, and described auxiliary fiber is polytetrafluoroethylene (PTFE) and polyster fibre.The electrical conductivity of this conduction filter membrane is 500s/m.
The preparation method of above-mentioned conduction filter membrane, comprises the steps:
Cathode film: the Graphene of 25% is carried out oxidation processes in Fenton reagent, cleaning, makes it connect hydroxyl, is scattered in the aqueous solution, makes graphene dispersing solution; By the ES fiber of 20% and 50% nano-silver thread be scattered in water, stir, make slurries; Graphene dispersing solution is added in slurries, fully mix, add polyacrylamide drainage aid, then carry out manufacturing paper with pulp shaping, apply the polyurethane aqueous glue containing Nano Silver (5%), baking and curing, both must conduct electricity filter membrane, for cathode film.
Negative electrode film: the carbon nano-fiber of 5% is carried out oxidation processes in Fenton reagent, cleaning, makes it connect hydroxyl, is scattered in the aqueous solution, makes carbon nanofiber dispersion liquid; The polytetrafluoroethylene fibre of 50% and the polyster fibre of 35% are scattered in water, stir, add the activated carbon of 10%, make slurries; Carbon nanofiber dispersion liquid is added in slurries, fully mix, add polyacrylamide drainage aid, then carry out manufacturing paper with pulp shaping, dry, both must conduct electricity filter membrane, for negative electrode film.
A kind of high-efficiency water purifying treatment device of the present embodiment, comprises power supply and housing, is provided with cathode film successively, is separated barrier film and negative electrode film in described housing along water flow direction.First running water filters through two-stage 300 object filter membrane, and the running water after impurity screening enters high-efficiency water purifying treatment device, and successively by connecing the conduction filter membrane of positive source and connecing the conduction filter membrane of power cathode, the data of running water after above-mentioned steps purification are in table 1.
Embodiment 6
The present embodiment one conduction filter membrane, this conduction filter membrane is prepared from by conductive material and auxiliary material (auxiliary fiber and functional stuffing), described conductive material accounts for 90% of conductive material and auxiliary material gross mass, described conductive material is carbon fiber, CNT, functional stuffing is nano-Ag particles, and described auxiliary fiber is glass fibre.The electrical conductivity of this conduction filter membrane is 20000s/m, as cathode film in high-efficiency water purifying treatment device.
The conduction filter membrane that another is connected with negative pole: conductive material accounts for 80% of conductive material and auxiliary fiber gross mass, described conductive material is CNT and carbon fiber, and described auxiliary fiber is glass fibre and polyster fibre.The electrical conductivity of this conduction filter membrane is 15000s/m.
The preparation method of above-mentioned conduction filter membrane, comprises the steps:
Cathode film: the CNT of 10% is carried out oxidation processes in Fenton reagent, cleaning, makes it connect hydroxyl, be scattered in the aqueous solution, made carbon nano tube dispersion liquid, the glass fibre of 8% and the carbon fiber of 80% are scattered in water, adjust ph is 3, stirs, and makes slurries; Carbon nano tube dispersion liquid is added in slurries, fully mix, add the nano-Ag particles of 2%, add polyacrylamide drainage aid, then carry out manufacturing paper with pulp shaping, dry, both must conduct electricity filter membrane, for cathode film.
Negative electrode film: the CNT of 10% is carried out oxidation processes in Fenton reagent, cleaning, makes it connect hydroxyl, is scattered in the aqueous solution, makes carbon nano tube dispersion liquid; By the glass fibre of 10%, the polyster fibre of 10% and 70% carbon fiber be scattered in water, stir, make slurries; Carbon nano tube dispersion liquid is added in slurries, fully mix, add polyacrylamide drainage aid, then carry out manufacturing paper with pulp shaping, dry, obtain conduction filter membrane, for negative electrode film.
A kind of high-efficiency water purifying treatment device of the present embodiment, comprises power supply and housing, is provided with cathode film successively, is separated barrier film and negative electrode film in described housing along water flow direction.First running water filters through one-level 600 object filter membrane, and the running water after impurity screening enters high-efficiency water purifying treatment device, and successively by connecing the conduction filter membrane of positive source and connecing the conduction filter membrane of power cathode, the data of running water after above-mentioned steps purification are in table 1.
Table 1
Embodiment 3 as can be seen from the table, 5,6 have excellent antibiotic property, and this gives the credit to the cause containing a large amount of Nano Silver in its cathode film.Although containing Nano Silver in embodiment 4, because structure is comparatively sparse, flow is too fast, cause process too late.For the removal of heavy metal, be mainly the effect of negative pole, in several example, heavy metal all has certain removal effect, but with embodiment 6 best results.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a conduction filter membrane, it is characterized in that, this conduction filter membrane is prepared from primarily of conductive material and auxiliary material, described conductive material accounts for the 5-100% of conductive material and auxiliary material gross mass, described conductive material is selected from CNT, be of a size of in the carbon fiber of 1-10 μm, carbon nano-fiber, Graphene, NANO CRYSTAL COPPER WIRE, nano-silver thread or conductive wire one or more, described auxiliary material comprises auxiliary fiber and/or functional stuffing.
2. conduction filter membrane according to claim 1, is characterized in that, described auxiliary fiber is selected from one or more in paper pulp fiber, tencel fiber, ES fiber, glass fibre, polyster fibre, aramid fiber, polytetrafluoroethylene fibre.
3. conduction filter membrane according to claim 1, is characterized in that, described functional stuffing is selected from one or more in nano-Ag particles, active carbon particle, activated carbon fiber, aluminium oxide or titanium dioxide.
4. the conduction filter membrane according to any one of claim 1-3, is characterized in that, the electrical conductivity of this conduction filter membrane is 500-20000s/m.
5. the preparation method of the conduction filter membrane described in any one of claim 1-4, is characterized in that, comprise the steps:
Mix with auxiliary fiber after conductive fiber is carried out surface hydrophilic process and be scattered in water, and then add functional stuffing and retention agent, finally manufacture paper with pulp on a papermaking machine, dry, obtain described conduction filter membrane;
Or, one or more in CNT, carbon nano-fiber, Graphene are mixed with the carbon fiber being of a size of 1-10 μm and are scattered in water, then manufacture paper with pulp on a papermaking machine, dry, applying glue, drying, then carry out high temperature graphitization, obtain described conduction filter membrane;
Or, conductive material is heated back loading on asphalt base carbon fiber precursor or the fine precursor of polypropylene, then carry out pre-oxidation, charing, graphitization, respin into carbon cloth, utilize electrochemistry or chemical deposition to be carried on described carbon cloth by functional stuffing, obtain described conduction filter membrane.
6. preparation method according to claim 5, is characterized in that, described retention agent is polyacrylamide.
7. the application of conduction filter membrane in purifying water process described in any one of claim 1-4.
8. a high-efficiency water purifying treatment device, comprise power supply and housing, it is characterized in that, at least one cathode film and at least one negative electrode film is provided with successively along water flow direction in described housing, described cathode film is the conduction filter membrane described in any one of claim 1-4 that is connected with described positive source, and described negative electrode film is the conduction filter membrane described in any one of claim 1-4 that is connected with described power cathode.
9. high-efficiency water purifying treatment device according to claim 8, is characterized in that, is also provided with and is separated support membrane between described cathode film with described negative electrode film.
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| WO2016119692A1 (en) * | 2015-01-27 | 2016-08-04 | 昆明纳太科技有限公司 | Conductive filter membrane, preparation method and use thereof |
| CN107305809A (en) * | 2016-04-19 | 2017-10-31 | 刘锦花 | A kind of efficiently antistatic laminated chip magnetic bead |
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| CN110038443A (en) * | 2019-04-19 | 2019-07-23 | 东华大学 | A method of alleviating carbon fiber paper-polyether sulfone composite conducting and separates fouling membrane |
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| CN110438839B (en) * | 2019-06-20 | 2021-07-06 | 浙江夏王纸业有限公司 | Production process of pure black base paper |
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| CN112509814B (en) * | 2020-11-11 | 2022-05-31 | 上海永铭电子股份有限公司 | High-temperature and high-humidity resistant laminated aluminum solid-state capacitor and preparation method thereof |
| CN113441013A (en) * | 2021-06-28 | 2021-09-28 | 哈尔滨工业大学 | Preparation method of conductive nanofiltration membrane for water treatment |
| CN115159628A (en) * | 2022-06-16 | 2022-10-11 | 华南农业大学 | Modified electrochemical cathode for degrading perfluorinated compounds and preparation method thereof |
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| CN104587841B (en) | 2017-02-22 |
| WO2016119692A1 (en) | 2016-08-04 |
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