CN105776436A - Sewage treatment device with graphitized through-hole foam carbon anode and use method thereof - Google Patents
Sewage treatment device with graphitized through-hole foam carbon anode and use method thereof Download PDFInfo
- Publication number
- CN105776436A CN105776436A CN201610021383.XA CN201610021383A CN105776436A CN 105776436 A CN105776436 A CN 105776436A CN 201610021383 A CN201610021383 A CN 201610021383A CN 105776436 A CN105776436 A CN 105776436A
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- China
- Prior art keywords
- sewage
- graphitization
- anode
- foam carbon
- hole foam
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Classifications
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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
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
-
- 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
- C02F1/46104—Devices therefor; Their operating or servicing
-
- 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
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- 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
- 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
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
-
- 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
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
Abstract
The invention relates to a sewage treatment device with a graphitized through-hole foam carbon anode and a use method thereof. The device comprises a sealed container, a direct-current power supply, the graphitized through-hole foam carbon anode and a graphitized through-hole foam carbon cathode; the graphitized through-hole foam carbon anode and cathode are arranged inside the closed container and are connected with a positive electrode and a negative electrode of the direct-current power supply respectively. The device has the advantages that based on high use area of the anode with rich through holes, the thickness of a retention layer on the surface of the anode is compressed by using flowing sewage, and the reaction speed is improved, so that the sewage treatment speed of the device is greatly improved, and a continuous treatment function of the device is realized; and the device has the advantages of simple structure, convenient operation, easy maintenance, low cost, and wide applicable range.
Description
Technical field
The present invention relates to technical field of sewage treatment equipment, specifically, be a kind of graphitization through-hole foam carbon anode sewage-treatment plant and using method thereof.
Background technology
Along with the progress of science and technology, people can pass through technological means and produce the various article needed for people, thus improving the living standard of people.But in these production activities, also create substantial amounts of pollutant therewith, containing substantial amounts of pollutant in the waste water particularly produced in production process, health and life to ecological environment and people all constitute great threat, therefore that the process of waste water is particularly important.
The processing method of current waste water mainly has biological treatment, physical chemistry to process and in combination with processing method.Wherein materilization freatment method mainly has the exchange of thermal technology (evaporation), membrane technology, flocculation sediment, ion, Fenton method, electrochemical process and micro-electrolysis method etc..Electrochemical process is low because of its handling, it is not necessary to add chemical agent, can save medicament and administration apparatus expense；Equipment is simple, easily realizes modern management；Equipment is workable, gets more and more people's extensive concerning etc. advantage.And electrode is the key factor affecting electrochemistry sewage-treatment plant performance, therefore the preparation of electrode and design are constantly subjected to the concern of people.Conventional anode material includes: stainless steel electrode, glass-carbon electrode, carbon electrode, Ti/RuO2, Ti/Pt-Ir, carbon fiber electrode, Pt-white carbon black electrode etc..At electrolytic sewage pond Anodic many employings carbon pole, (a kind of compact bio-electrochemical reactor reclaims copper, cadmium the method preparing cadmium bronze precursor at present, CN104480493A), electrolyser construction many employings unenclosed construction, is simultaneously introduced agitator auxiliary drainage flow (CN204434402U novel heavy metal sewage disposal system).The structure of these devices is relatively simple, but still has much room for improvement in treatment effeciency and seriality.Study hotspot to electrode is Pt electrode, titanio PbO at present2Electrode, titanio IrO2Electrode and conductive diamond membrane electrode etc..But these electrode manufactures are more complicated, relatively costly, it is further improved to realize promoting the use of.
From the Organic substance direct oxidation process at anode surface it can be seen that first anode has the process of a surface hydroxylation, form two kinds of active oxygens.Organic substance will by anode direct oxidation, it is necessary to migrate to anode surface from solution main body, is then aoxidized by the active oxygen of anode surface, and therefore mass transfer is very big on the impact of organic degradation effect.After have chosen suitable electrode material and electro-catalysis operational factor, Organic substance direct electrochemistry degradation speed is substantially controlled by mass transfer step.Assembly of the invention can be effectively improved mass transfer problem.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of graphitization through-hole foam carbon anode sewage-treatment plant and using method thereof.The present invention provides a kind of efficient, continuous print electrochemistry sewage-treatment plant and using method thereof.This device uses graphitization through-hole foam carbon anode, based on the high usable floor area of anode, significantly increases electric current density in device (electric current and electrode surface area), thus greatly improving device sewage disposal speed；Sewage flows through anode continuously across through hole in anode, dirty water pollutant oxidized degraded in through-holes simultaneously, it is achieved that device process function continuously；And, sewage is constantly in flow regime in a device, has greatly reduced anelectrode surface detention layer thickness, thus accelerating the degradation reaction speed of pollutant.
It is an object of the invention to be achieved through the following technical solutions:
A kind of graphitization through-hole foam carbon anode sewage-treatment plant, it comprises hermetic container, DC source, graphitization through-hole foam carbon anode and graphitization through-hole foam carbon cathode；Graphitization through-hole foam carbon anode and negative electrode are placed in inside hermetic container, and are connected with the positive pole of DC source and negative pole respectively.
Described hermetic container two ends are provided with inlet and liquid outlet, and inlet is positioned at upper vessel portion, and liquid outlet is positioned at lower vessel portion.
Described graphitization through-hole foam carbon anode and cathode vertical are placed in inside hermetic container, its shape is consistent with hermetic container inside dimension with length and width size, and hermetic container is separated into three parts, respectively between chamber wall and anode, three spaces between anode and negative electrode and between negative electrode and chamber wall.
Described graphitization through-hole foam carbon anode is prepared by the graphitizable foams carbon with through hole, and porosity is 30～60%, and thickness is 0.1～10cm.
Described graphitization through-hole foam carbon cathode is the associated alloys net etc. of ferrum net, aluminum net and ferrum and aluminum.
The volume of described hermetic container is 0.1～10000L, and specific size is determined according to sewage load.
Described DC source is the universal product on market, provides the reaction required electric power energy for sewage-treatment plant.
A kind of using method of graphitization through-hole foam carbon anode sewage-treatment plant
Treatment sewage infusion set is inputted in sewage-treatment plant with the flow velocity of 10mL/min-10L/min either directly through inlet, pollutant are oxidized degraded in anelectrode, and obtaining flocculation sediment at negative electrode, water and flocculate after process flow out sewage-treatment plant by liquid outlet.
Particularly as follows: sewage is entered hermetic container by inlet, the hole in graphitizable foams carbon anode is through anode, and pollutant lose the oxidized degraded of electronics in anode outer surface and hole simultaneously；Then pass through netted negative electrode to be flocculated, then pass through liquid outlet and flow out hermetic container.
Compared with prior art, the method have the advantages that
First, energy high degree of the present invention improves sewage disposal speed.Its anode used is the graphitizable foams carbon anode that inside has abundant through hole, considerably increases the usable floor area of anelectrode, improves the electric current density of device, thus improving anode reaction ability, and the sewage treatment capacity of aggrandizement apparatus；Sewage is constantly in flow regime in a device, greatly reduce anelectrode surface detention layer thickness, making pollutant can diffuse to electrode surface generation electrochemical reaction faster, thus accelerating the degradation reaction speed of pollutant, improving the sewage disposal speed of device.
Second, pollutant oxidized degraded simultaneously when sewage is by anode, it is possible to achieve do not arrhea and process sewage (by what parts can realize not arrheaing and process sewage continuously) continuously.Sewage enters sewage-treatment plant, the degradation reaction speed of the pollutant of acceleration with certain speed, it is ensured that pollutant oxidized degraded simultaneously when sewage is by anode, it is not necessary to arrhea the prolongation response time, thus realizing the continuous process of sewage.
3rd, device is simple and easy, low cost of manufacture, it is easy to safeguard.Do not use valuable noble metal electrode, do not need the agitating device added, when safeguarding, need only to cleaning electrode.
4th, promotional value is high.This device can be used for processing various factory and sanitary sewage, is particularly suited for the sewage disposal containing phenolic comp ' ds pollution.
Accompanying drawing illustrates:
Fig. 1 is sewage-treatment plant structural representation of the present invention；
Fig. 2 is embodiment 1 device schematic diagram.
Accompanying drawing acceptance of the bid note is respectively as follows: 1 sewage-treatment plant, 2 hermetic containers, 3 DC sources, 4 graphitization through-hole foam carbon anodes, 5 graphitization through-hole foam carbon cathodes, 6 inlets, 7 liquid outlets, 8 infusion sets.
Detailed description of the invention
The detailed description of the invention of the present invention presented below a kind of graphitization through-hole foam carbon anode sewage-treatment plant and using method thereof.
Embodiment 1
Such as Fig. 1, shown in 2, a kind of graphitizable foams carbon anode sewage-treatment plant and using method thereof.Sewage-treatment plant 1 is made up of hermetic container 2, DC source 3, graphitization through-hole foam carbon anode 4, negative electrode 5, big flow infusion pump 8 and pipeline 9.Hermetic container 2 two ends have inlet 6 and liquid outlet 7, and inlet 6 is positioned at upper vessel portion, and liquid outlet 7 is positioned at lower vessel portion.It is internal that graphitization through-hole foam carbon anode 4 and graphitization through-hole foam carbon cathode 5 are positioned at hermetic container 2, and hermetic container 2 is separated into three parts.Big flow infusion pump 8 is connected with inlet 6 by pipeline 9.Airtight solution 2 volume is 1L.Graphitization through-hole foam carbon anode 4 porosity 55%, thick 1.5cm.Negative electrode 5 is aluminum net.
The industrial wastewater that this device Pyrogentisinic Acid's content is 0.1mol/L is processed.Waste water directly inputs sewage-treatment plant from inlet 6 by big flow infusion pump 8 continuously, flow velocity 0.1L/min.Regulating DC source 3 voltage is 50V.The content of phenol in water is flowed out in detection from liquid outlet 7, and result shows that phenol in wastewater phenol content after sewage-treatment plant of the present invention is reduced to 0.005mol/L, and the degradation rate of phenol reaches 95%.
Advantages of the present invention is: based on the high usable floor area with abundant through hole anode, utilizes the sewage of flowing to have compressed anode surface retention layer thickness, improves response speed, thus greatly improving device sewage disposal speed, and achieve device process function continuously；Be not only simple in structure, easy and simple to handle, be easily maintained, and with low cost, applied widely.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, without departing from the inventive concept of the premise; can also making some improvements and modifications, these improvements and modifications also should be regarded as in protection scope of the present invention.
Claims (8)
1. a graphitization through-hole foam carbon anode sewage-treatment plant, it comprises hermetic container, DC source, graphitization through-hole foam carbon anode and graphitization through-hole foam carbon cathode；Graphitization through-hole foam carbon anode and negative electrode are placed in inside hermetic container, and are connected with the positive pole of DC source and negative pole respectively.
2. a kind of graphitization through-hole foam carbon anode sewage-treatment plant as claimed in claim 1, it is characterised in that described hermetic container two ends are provided with inlet and liquid outlet, and inlet is positioned at upper vessel portion, and liquid outlet is positioned at lower vessel portion.
3. a kind of graphitization through-hole foam carbon anode sewage-treatment plant as claimed in claim 1, it is characterized in that, described graphitization through-hole foam carbon anode and cathode vertical are placed in inside hermetic container, its shape is consistent with hermetic container inside dimension with length and width size, and hermetic container is separated into three parts, respectively between chamber wall and anode, three spaces between anode and negative electrode and between negative electrode and chamber wall.
4. a kind of graphitization through-hole foam carbon anode sewage-treatment plant as claimed in claim 1, it is characterised in that described graphitization through-hole foam carbon anode is prepared by the graphitizable foams carbon with through hole, and porosity is 30～60%, and thickness is 0.1～10cm.
5. a kind of graphitization through-hole foam carbon anode sewage-treatment plant as claimed in claim 1, it is characterised in that described graphitization through-hole foam carbon cathode is the associated alloys net of ferrum net, aluminum net and ferrum and aluminum.
6. a kind of graphitization through-hole foam carbon anode sewage-treatment plant as claimed in claim 1, it is characterised in that the volume of described hermetic container is 0.1～10000L.
7. the using method of a graphitization through-hole foam carbon anode sewage-treatment plant, it is characterised in that it concretely comprises the following steps:
Treatment sewage infusion set is inputted in sewage-treatment plant with the flow velocity of 10mL/min-10L/min either directly through inlet, pollutant are oxidized degraded in anelectrode, and obtaining flocculation sediment at negative electrode, water and flocculate after process flow out sewage-treatment plant by liquid outlet.
8. the using method of a kind of graphitization through-hole foam carbon anode sewage-treatment plant as claimed in claim 7, it is characterised in that it concretely comprises the following steps:
Sewage is entered hermetic container by inlet, and the hole in graphitizable foams carbon anode is through anode, and pollutant lose the oxidized degraded of electronics in anode outer surface and hole simultaneously；Then pass through netted negative electrode to be flocculated, then pass through liquid outlet and flow out hermetic container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021383.XA CN105776436B (en) | 2016-01-13 | 2016-01-13 | A kind of graphitization through-hole foam carbon anode sewage-treatment plant and its application method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021383.XA CN105776436B (en) | 2016-01-13 | 2016-01-13 | A kind of graphitization through-hole foam carbon anode sewage-treatment plant and its application method |
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| Publication Number | Publication Date |
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| CN105776436A true CN105776436A (en) | 2016-07-20 |
| CN105776436B CN105776436B (en) | 2018-04-13 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050072665A1 (en) * | 2001-06-14 | 2005-04-07 | Gomez Rodolfo Antonio M | Electrolytic activation of fluids |
| CN101164875A (en) * | 2007-10-10 | 2008-04-23 | 中国科学院山西煤炭化学研究所 | Method for preparing high heat conducting foam carbon material |
| US20100059436A1 (en) * | 2008-08-08 | 2010-03-11 | University Of Massachusetts | Systems and methods for microbial reductive dechlorination of environmental contaminants |
| CN201746367U (en) * | 2010-03-10 | 2011-02-16 | 肖志邦 | Alkaline reduction water diaphragm-free electrolyzing device |
| CN102910707A (en) * | 2012-10-19 | 2013-02-06 | 王麒钧 | Method and device for electrochemically degrading organic waste water by taking activated charcoal basket as anode |
| CN103922445A (en) * | 2014-03-10 | 2014-07-16 | 苏州科技学院相城研究院 | Micro-nano hierarchical porous carbon electrode and preparation method and application |
-
2016
- 2016-01-13 CN CN201610021383.XA patent/CN105776436B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050072665A1 (en) * | 2001-06-14 | 2005-04-07 | Gomez Rodolfo Antonio M | Electrolytic activation of fluids |
| CN101164875A (en) * | 2007-10-10 | 2008-04-23 | 中国科学院山西煤炭化学研究所 | Method for preparing high heat conducting foam carbon material |
| US20100059436A1 (en) * | 2008-08-08 | 2010-03-11 | University Of Massachusetts | Systems and methods for microbial reductive dechlorination of environmental contaminants |
| CN201746367U (en) * | 2010-03-10 | 2011-02-16 | 肖志邦 | Alkaline reduction water diaphragm-free electrolyzing device |
| CN102910707A (en) * | 2012-10-19 | 2013-02-06 | 王麒钧 | Method and device for electrochemically degrading organic waste water by taking activated charcoal basket as anode |
| CN103922445A (en) * | 2014-03-10 | 2014-07-16 | 苏州科技学院相城研究院 | Micro-nano hierarchical porous carbon electrode and preparation method and application |
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| CN105776436B (en) | 2018-04-13 |
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