CN106365258A - Three-dimensional electrode electrocatalytic oxidization device for high-salt-content high-COD (chemical oxygen demand) wastewater - Google Patents
Three-dimensional electrode electrocatalytic oxidization device for high-salt-content high-COD (chemical oxygen demand) wastewater Download PDFInfo
- Publication number
- CN106365258A CN106365258A CN201610801994.6A CN201610801994A CN106365258A CN 106365258 A CN106365258 A CN 106365258A CN 201610801994 A CN201610801994 A CN 201610801994A CN 106365258 A CN106365258 A CN 106365258A
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- Prior art keywords
- plate
- treatment tank
- wastewater treatment
- positive plate
- waste water
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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
- C02F1/467—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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/05—Conductivity or salinity
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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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 invention discloses a three-dimensional electrode electrocatalytic oxidization device for high-salt-content high-COD (chemical oxygen demand) wastewater. The device comprises a wastewater treatment tank, wherein a wastewater treatment chamber is formed inside the wastewater treatment tank; the upper end of the wastewater treatment tank is provided with a water inlet which communicates with the wastewater treatment chamber; the lower end of the wastewater treatment tank is provided with a water outlet which communicates with the wastewater treatment chamber; an electrooxidation assembly is embedded in the wastewater treatment chamber; the electrooxidation assembly comprises positive plates and negative plates which are sequentially arranged alternately in the horizontal direction; the positive plates and negative plates are arranged in a staggered mode; the adjacent positive plate and negative plate are arranged alternately; and tourmaline powder is filled between the adjacent positive plate and negative plate. The device disclosed by the invention is provided with a power source, and all the positive plates and negative plates are respectively electrically connected with the power source. The device disclosed by the invention can treat the wastewater at low cost in a normal-temperature normal-pressure environment, and the reaction retention time is shorter.
Description
Technical field
The present invention relates to technical field of waste water processing, the high salinity of more particularly, to a kind of three-diemsnional electrode electrocatalytic oxidation, high cod
Waste plant.
Background technology
With society's constantly progress, society also constantly increases to the needs of material, manufactured in industrial processes
Cheng Zhong, a large amount of waste water of the product association such as all kinds of chemical industry, medicine bioengineering, pesticide produces；Wherein, these waste water have height
The properties such as cod, high salinity, high chroma, strong acid, highly basic, intractability is big.
Prior art is typically processed to above-mentioned waste water by physical chemistry processing method, bioremediation；Its
In, physical chemistry processing method includes evaporation, chemical oxidization method, wet oxidation process, catalytic oxidation, supercritical oxidation process
Deng bioremediation includes anaerobic process, specially good effect engineering bacteria edman degradation Edman etc..
It should further be noted that for physical chemistry processing method, in actual wastewater treatment process, it is generally deposited
In defects such as high, the required operation temperature height of operating cost, pressure height.In addition, for bioremediation, or cannot
Degraded, or need the time of staying longer.
Content of the invention
Present invention aims to the deficiencies in the prior art and provide a kind of high salinity of three-diemsnional electrode electrocatalytic oxidation,
High cod waste plant, this high salinity of three-diemsnional electrode electrocatalytic oxidation, high cod waste plant can under normal temperature and pressure environment and
At low cost waste water is processed, and, reaction time is shorter.
For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions.
A kind of high salinity of three-diemsnional electrode electrocatalytic oxidation, high cod waste plant, include waste water treatment tank, wastewater treatment
The inside of groove forms effluent plenum, and the upper end of waste water treatment tank offers the water inlet connecting with effluent plenum
Mouthful, the bottom of waste water treatment tank is offered the outlet being connected with effluent plenum, is embedded with electricity in effluent plenum
Oxidation module；
Electroxidation assembly includes respectively along horizontal direction successively spaced apart positive plate, minus plate, positive plate and negative electrode
Plate is staggeredly arranged, and adjacent positive plate is filled with tourmaline with minus plate arranged for interval and between adjacent positive plate and minus plate
Powder；
This high salinity of three-diemsnional electrode electrocatalytic oxidation, high cod waste plant are fitted with power supply, and each positive plate and each minus plate divide
Not and power electric connection.
Wherein, each described positive plate is respectively adopted ruthenium rhenium, v2o5Sinter under 1800 DEG C of hot conditionss and form.
Wherein, each described minus plate is respectively graphite electrode.
Wherein, the voltage between adjacent described positive plate and described minus plate is 5v.
Wherein, the operating current between adjacent described positive plate and described minus plate is respectively 0.3 a/dm2.
The invention has the benefit that a kind of high salinity of three-diemsnional electrode electrocatalytic oxidation of the present invention, high cod waste water
Device, it includes waste water treatment tank, and the inside of waste water treatment tank forms effluent plenum, the upper end of waste water treatment tank
Offer the water inlet connecting with effluent plenum, the bottom of waste water treatment tank is offered and connected with effluent plenum
Outlet, is embedded with electroxidation assembly in effluent plenum；Electroxidation assembly include respectively along horizontal direction successively between
Every positive plate, the minus plate of arrangement, positive plate is staggeredly arranged with minus plate, and adjacent positive plate is with minus plate arranged for interval and phase
It is filled with tourmaline powder between adjacent positive plate and minus plate；This high salinity of three-diemsnional electrode electrocatalytic oxidation, high cod waste plant
Be fitted with power supply, each positive plate and each minus plate respectively with power electric connection.By above-mentioned design, the present invention can be in room temperature
Process under atmospheric pressure environment and at low cost to waste water, and, reaction time is shorter.
Brief description
The present invention is further detailed below with accompanying drawing, but the embodiment in accompanying drawing is not constituted to this
Bright any restriction.
Fig. 1 is the structural representation of the present invention.
Include in FIG:
1 waste water treatment tank 11 effluent plenum
2 electroxidation assembly 21 positive plate
22 minus plate 23 tourmaline powder
3 power supplys.
Specific embodiment
With reference to specific embodiment, the present invention will be described.
As shown in figure 1, a kind of high salinity of three-diemsnional electrode electrocatalytic oxidation, high cod waste plant, include waste water treatment tank
1, the inside of waste water treatment tank 1 forms effluent plenum 11, and the upper end of waste water treatment tank 1 offers and wastewater treatment chamber
The water inlet of room 11 connection, the bottom of waste water treatment tank 1 offers the outlet connecting with effluent plenum 11, at waste water
It is embedded with electroxidation assembly 2 in reason chamber 11.
Further, electroxidation assembly 2 includes respectively along horizontal direction successively spaced apart positive plate 21, negative electrode
Plate 22, positive plate 21 is staggeredly arranged with minus plate 22, and adjacent positive plate 21 is with minus plate 22 arranged for interval and adjacent anode
It is filled with tourmaline powder 23 between plate 21 and minus plate 22.Wherein, the main component of tourmaline powder 23 is borosilicate.
Further, this high salinity of three-diemsnional electrode electrocatalytic oxidation, high cod waste plant are fitted with power supply 3, each anode
Plate 21 and each minus plate 22 are electrically connected with power supply 3 respectively.
Need to be explained further, each positive plate 21 is respectively adopted ruthenium rhenium, v2o5Sinter under 1800 DEG C of hot conditionss and form, respectively
Minus plate 22 is respectively graphite electrode.
In addition, voltage between adjacent positive plate 21 and minus plate 22 is 5v, adjacent positive plate 21 and minus plate 22
Between operating current be respectively 0.3 a/dm2.
In work process of the present invention, power supply 3 is each positive plate 21, minus plate 22 is powered, and waste water enters via water inlet
Enter to the effluent plenum 11 of waste water treatment tank 1, positive plate 21, minus plate 22 are to entering in effluent plenum 11
Waste water carries out electroxidation process, and electroxidation processes and can form reacting and generating various freedom of series of complex in waste water
Base, such as [o], [h], [oh], these free radicals have high chemism and can effectively change many Organic substances in waste water
Structure and characteristic, so that there is chain rupture, the effect such as open loop in Organic substance, the Organic substance in the degradation water product generating is co2
And h2o.
In addition, being scattered in the tourmaline powder 23 in the middle of positive plate 21 and minus plate 22 as the third dimension of electroxidation assembly 2
Electrode, tourmaline powder 23 can greatly improve electric current density reducing energy consumption；Additionally, tourmaline powder 23 is dispersed in waste water, right
h2o2Generating hydroxyl radical free radical [oh] has initiation and catalytic action, and hydroxyl radical free radical has extremely strong electronic capability i.e. oxygen
Change ability, oxidizing potential 2.8v, and be the oxidant being only second to fluorine in nature, can be organic in oxidation Decomposition water further
Thing, the product of generation is co2And h2o.
It should further be noted that combining said structure design, the present invention can using following processing method to waste water at
Reason, specific:
1st, waste water through pretreatment such as grid, solid-liquid separation, just sink after enter in effluent plenum 11, wherein, locate through pre-
The waste water of reason is mixed in proportion with 30% hydrogen peroxide, the mixed proportion h in mass ratio of hydrogen peroxide and waste water2o2: cod=(0.5-
1): 1 adds, the offer as hydroxyl radical free radical and supplement；
2nd, the voltage of regulation power supply 3 is it is ensured that constant voltage 5v exports；
3rd, adjust die opening it is ensured that it is ensured that the operating current of pole plate is 0.3 a/dm2.
Summary situation understands, the present invention can be processed to waste water under normal temperature and pressure environment and at low cost,
And, reaction time is shorter.
Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention's
Thought, all will change in specific embodiments and applications, and this specification content should not be construed as to the present invention
Restriction.
Claims (5)
1. a kind of high salinity of three-diemsnional electrode electrocatalytic oxidation, high cod waste plant it is characterised in that: include waste water treatment tank
(1), the inside of waste water treatment tank (1) forms effluent plenum (11), and the upper end of waste water treatment tank (1) offers and gives up
The water inlet that water process chamber (11) connects, the bottom of waste water treatment tank (1) is offered and is connected with effluent plenum (11)
Outlet, be embedded with electroxidation assembly (2) in effluent plenum (11)；
Electroxidation assembly (2) includes respectively along horizontal direction successively spaced apart positive plate (21), minus plate (22), sun
Pole plate (21) is staggeredly arranged with minus plate (22), and adjacent positive plate (21) is with minus plate (22) arranged for interval and adjacent anode
It is filled with tourmaline powder (23) between plate (21) and minus plate (22)；
This high salinity of three-diemsnional electrode electrocatalytic oxidation, high cod waste plant are fitted with power supply (3), each positive plate (21) and each
Minus plate (22) is electrically connected with power supply (3) respectively.
2. a kind of high salinity of three-diemsnional electrode electrocatalytic oxidation according to claim 1, high cod waste plant, its feature exists
In: each described positive plate (21) is respectively adopted ruthenium rhenium, v2o5Sinter under 1800 DEG C of hot conditionss and form.
3. a kind of high salinity of three-diemsnional electrode electrocatalytic oxidation according to claim 2, high cod waste plant, its feature exists
In: each described minus plate (22) is respectively graphite electrode.
4. a kind of high salinity of three-diemsnional electrode electrocatalytic oxidation according to claim 3, high cod waste plant, its feature exists
In: the voltage between adjacent described positive plate (21) and described minus plate (22) is 5v.
5. a kind of high salinity of three-diemsnional electrode electrocatalytic oxidation according to claim 4, high cod waste plant, its feature exists
In: the operating current between adjacent described positive plate (21) and described minus plate (22) is respectively 0.3 a/dm2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610801994.6A CN106365258A (en) | 2016-09-06 | 2016-09-06 | Three-dimensional electrode electrocatalytic oxidization device for high-salt-content high-COD (chemical oxygen demand) wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610801994.6A CN106365258A (en) | 2016-09-06 | 2016-09-06 | Three-dimensional electrode electrocatalytic oxidization device for high-salt-content high-COD (chemical oxygen demand) wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN106365258A true CN106365258A (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610801994.6A Pending CN106365258A (en) | 2016-09-06 | 2016-09-06 | Three-dimensional electrode electrocatalytic oxidization device for high-salt-content high-COD (chemical oxygen demand) wastewater |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955300A (en) * | 2010-08-31 | 2011-01-26 | 中国矿业大学(北京) | Coke powder bipolar three-dimensional electrode water treatment reactor |
| CN102126778A (en) * | 2011-01-26 | 2011-07-20 | 浙江省环境保护科学设计研究院 | Groove-type device and method for treating organic wastewater by multiphase electro-catalytic oxidation |
| CN204058034U (en) * | 2014-08-26 | 2014-12-31 | 南京大学连云港高新技术研究院 | Waste gas catalytic oxidation waste water plant can be collected |
| CN105702969A (en) * | 2016-03-24 | 2016-06-22 | 仇颖莹 | Preparation method for modified shaddock peel foamy carbon microbial fuel cell positive electrode material |
-
2016
- 2016-09-06 CN CN201610801994.6A patent/CN106365258A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955300A (en) * | 2010-08-31 | 2011-01-26 | 中国矿业大学(北京) | Coke powder bipolar three-dimensional electrode water treatment reactor |
| CN102126778A (en) * | 2011-01-26 | 2011-07-20 | 浙江省环境保护科学设计研究院 | Groove-type device and method for treating organic wastewater by multiphase electro-catalytic oxidation |
| CN204058034U (en) * | 2014-08-26 | 2014-12-31 | 南京大学连云港高新技术研究院 | Waste gas catalytic oxidation waste water plant can be collected |
| CN105702969A (en) * | 2016-03-24 | 2016-06-22 | 仇颖莹 | Preparation method for modified shaddock peel foamy carbon microbial fuel cell positive electrode material |
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Application publication date: 20170201 |