CN106277212A - A kind of electrochemical desalting device - Google Patents
A kind of electrochemical desalting device Download PDFInfo
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- CN106277212A CN106277212A CN201610801993.1A CN201610801993A CN106277212A CN 106277212 A CN106277212 A CN 106277212A CN 201610801993 A CN201610801993 A CN 201610801993A CN 106277212 A CN106277212 A CN 106277212A
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- plate
- minus
- minus plate
- positive plate
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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
- C02F1/4604—Treatment of water, waste water, or sewage by electrochemical methods for desalination of seawater or brackish water
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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 kind of electrochemical desalting device, it includes the first minus plate, the second minus plate and the positive plate between first and second minus plate, first minus plate is to the distance between positive plate equal to the distance between the second minus plate to positive plate, and first and second minus plate and positive plate are respectively Ti electrode；Install the homogeneous membrane that two parallel interval are arranged between first minus plate and positive plate, between the second minus plate and positive plate, install the homogeneous membrane that two parallel interval are arranged；Voltage between first minus plate and positive plate, the voltage between the second minus plate and positive plate are respectively 5V, and the operating current between the first minus plate and positive plate, the operating current between the second minus plate and positive plate are respectively 0.3 A/dm2.Being designed by said structure, the present invention effectively can carry out pretreatment to high-salt wastewater, and is substantially reduced through the saliferous rate of this pretreated waste water of electrochemical desalting device, can be that follow-up biological wastewater treatment is ready effectively.
Description
Technical field
The present invention relates to technical field of waste water processing, particularly relate to a kind of electrochemical desalting device.
Background technology
Along with society's constantly progress, the needs of material are the most constantly increased, manufactured in industrial processes by society
Cheng Zhong, a large amount of waste water of product association such as all kinds of chemical industry, medicine bioengineering, pesticide produces；Wherein, these waste water have height
The character such as COD, high salinity, high chroma, strong acid, highly basic, intractability is big.
Above-mentioned waste water is typically processed by prior art 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
The defects such as the operation temperature high, required in operating cost is high, pressure is high.It addition, for bioremediation, its economic effect
Benefit is obvious, and yet with the impact of the salinity in waste water, the growing environment of microorganism is restricted, main also in that salt
Degree height, osmotic pressure changes, and can cause cell rupture, microorganism can not normal growth, so biological treatment system clearance
The highest.
Summary of the invention
Present invention aims to the deficiencies in the prior art and provide a kind of electrochemical desalting device, this electrochemistry is removed
Salt device can carry out pretreatment effectively to high-salt wastewater, and through the saliferous of this pretreated waste water of electrochemical desalting device
Rate is substantially reduced, and can be that follow-up biological wastewater treatment is ready effectively.
For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions.
A kind of electrochemical desalting device, includes the first minus plate, the second minus plate just to interval and being arranged in parallel, the
Be equiped with positive plate between one minus plate and the second minus plate, positive plate respectively with parallel of the first minus plate, the second minus plate
Distance between layout, the first minus plate to positive plate is equal to the distance between the second minus plate to positive plate, the first negative electrode
Plate, the second minus plate and positive plate are respectively Ti electrode；
Be equiped with the homogeneous membrane that two parallel interval are arranged between first minus plate and positive plate, the first minus plate and positive plate it
Between two homogeneous membranes respectively with the first minus plate, positive plate parallel interval arrange；Install between second minus plate and positive plate
Have the homogeneous membrane that two parallel interval are arranged, two homogeneous membranes between the second minus plate and positive plate respectively with the second negative electrode
Plate, positive plate parallel interval are arranged；
Voltage between first minus plate and positive plate, the voltage between the second minus plate and positive plate are respectively 5V, and first is cloudy
Operating current between pole plate and positive plate, the operating current between the second minus plate and positive plate are respectively 0.3 A/dm2。
Wherein, each described homogeneous membrane is respectively polypropylene ion homogeneous membrane.
The invention have the benefit that a kind of electrochemical desalting device of the present invention, it include the first minus plate, the
Two minus plates and the positive plate between first and second minus plate, the distance between the first minus plate to positive plate is equal to second
Minus plate is to the distance between positive plate, and first and second minus plate and positive plate are respectively Ti electrode；First minus plate and positive plate
Between install the homogeneous membrane that two parallel interval are arranged, install what two parallel interval were arranged between the second minus plate and positive plate
Homogeneous membrane；Voltage between first minus plate and positive plate, the voltage between the second minus plate and positive plate are respectively 5V, and first
Operating current between minus plate and positive plate, the operating current between the second minus plate and positive plate are respectively 0.3 A/dm2。
Being designed by said structure, the present invention can carry out pretreatment effectively to high-salt wastewater, and pre-through this electrochemical desalting device
The saliferous rate of the waste water after process is substantially reduced, and can be that follow-up biological wastewater treatment is ready effectively.
Accompanying drawing explanation
Below with accompanying drawing, the present invention is further detailed, but the embodiment in accompanying drawing is not constituted this
Bright any restriction.
Fig. 1 is the structural representation of the present invention.
Include in FIG:
11 first minus plates
12 second minus plates
2 positive plates
3 homogeneous membranes.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be described.
As it is shown in figure 1, a kind of electrochemical desalting device, include just to interval and be arranged in parallel the first minus plate 11,
Second minus plate 12, is equiped with positive plate 2 between the first minus plate 11 and the second minus plate 12, and positive plate 2 is cloudy with first respectively
Pole plate the 11, second minus plate 12 parallel interval is arranged, the distance between the first minus plate 11 to positive plate 2 is equal to the second minus plate
Distance between 12 to positive plate 2, first minus plate the 11, second minus plate 12 and positive plate 2 are respectively Ti electrode.
Further, between the first minus plate 11 and positive plate 2, it is equiped with the homogeneous membrane 3 that two parallel interval are arranged, the
Two homogeneous membranes 3 between one minus plate 11 and positive plate 2 are arranged with the first minus plate 11, positive plate 2 parallel interval respectively；The
The homogeneous membrane 3 that two parallel interval are arranged, the second minus plate 12 and positive plate 2 it is equiped with between two minus plates 12 and positive plate 2
Between two homogeneous membranes 3 respectively with the second minus plate 12, positive plate 2 parallel interval arrange.
Further, voltage between the first minus plate 11 and positive plate 2, between the second minus plate 12 and positive plate 2
Voltage be respectively 5V, operating current between the first minus plate 11 and positive plate 2, between the second minus plate 12 and positive plate 2
Operating current be respectively 0.3 A/dm2。
It addition, each homogeneous membrane 3 is respectively polypropylene ion homogeneous membrane 3.
Need to be explained further, this electrochemical desalting device uses symmetrical Ti electrode, first minus plate the 11, second minus plate
12, positive plate 2 uses Ti electrode respectively, between the first minus plate 11 and positive plate 2, between the second minus plate 12 and positive plate 2
Insert two panels polypropylene ion homogeneous membrane 3 respectively, to form waste water tunnel.In this electrochemical desalting device work process, high
Salt waste water flows through from waste water tunnel, as it is shown in figure 1, the clear water additionally introducing wastewater flow rate 5% in waste water tunnel passes through from pole plate；
After this electrochemical desalting device processes, the salt rejection rate of waste water can reach more than 80%, and then can be follow-up wastewater biological effectively
Process ready.
It addition, this electrochemical desalting device can use following methods to process high-salt wastewater, concrete:
1, high-salt wastewater enters this electrochemical desalting device after pretreatment (such as grid, solid-liquid separation, just sinking)；
2, be mixed in proportion through the high-salt wastewater of pretreatment and the hydrogen peroxide of 30%, enter this electrochemical desalting dress, hydrogen peroxide with
The mixed proportion of waste water H2O2:COD=in mass ratio (0.5-1): 1 adds, as hydroxyl radical free radical offer and supplement；
3, the voltage of power supply is regulated, it is ensured that constant voltage 5V exports；
4, regulation die opening, it is ensured that, it is ensured that the operating current of pole plate is 0.3A/dm2。
Summary situation understands, and by above-mentioned design, the electrochemical desalting device of the present invention can be effectively to high salt
Waste water carries out pretreatment, and is substantially reduced through the saliferous rate of this pretreated waste water of electrochemical desalting device, can be effectively
Ready for follow-up biological wastewater treatment.
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, the most all will change, and this specification content should not be construed as the present invention
Restriction.
Claims (2)
1. an electrochemical desalting device, it is characterised in that: include just to interval and be arranged in parallel the first minus plate (11),
Second minus plate (12), is equiped with positive plate (2) between the first minus plate (11) and the second minus plate (12), positive plate (2) point
Do not arrange, between the first minus plate (11) to positive plate (2) with the first minus plate (11), the second minus plate (12) parallel interval
Distance equal to the distance between the second minus plate (12) to positive plate (2), the first minus plate (11), the second minus plate (12) and
Positive plate (2) is respectively Ti electrode；
The homogeneous membrane (3) that two parallel interval are arranged, the first minus plate it is equiped with between first minus plate (11) and positive plate (2)
(11) two homogeneous membranes (3) and between positive plate (2) are arranged with the first minus plate (11), positive plate (2) parallel interval respectively；
The homogeneous membrane (3) that two parallel interval are arranged, the second minus plate (12) it is equiped with between second minus plate (12) and positive plate (2)
And two homogeneous membranes (3) between positive plate (2) are arranged with the second minus plate (12), positive plate (2) parallel interval respectively；
The voltage between voltage, the second minus plate (12) and positive plate (2) between first minus plate (11) and positive plate (2) divides
Not Wei 5V, between operating current, the second minus plate (12) and the positive plate (2) between the first minus plate (11) and positive plate (2)
Operating current be respectively 0.3 A/dm2。
A kind of electrochemical desalting device the most according to claim 1, it is characterised in that: each described homogeneous membrane (3) is respectively
Polypropylene ion homogeneous membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610801993.1A CN106277212A (en) | 2016-09-06 | 2016-09-06 | A kind of electrochemical desalting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610801993.1A CN106277212A (en) | 2016-09-06 | 2016-09-06 | A kind of electrochemical desalting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106277212A true CN106277212A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610801993.1A Pending CN106277212A (en) | 2016-09-06 | 2016-09-06 | A kind of electrochemical desalting device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1396302A (en) * | 2001-03-08 | 2003-02-12 | 恩通公司 | Electroosmosis regeneration system for chemical sedimentation groove electrolyte |
| US20030213748A1 (en) * | 2000-09-14 | 2003-11-20 | Juzer Jangbarwala | Electrophoretic cross-flow membrane filter system |
| CN202246182U (en) * | 2011-09-15 | 2012-05-30 | 武汉钢铁(集团)公司 | Novel electrochemical water treatment device |
| CN103833110A (en) * | 2014-01-24 | 2014-06-04 | 江苏凯力克钴业股份有限公司 | Device for treating nickel-cobalt sewage in the hydrometallurgy industry by electrolytic method |
| US20160115046A1 (en) * | 2006-06-22 | 2016-04-28 | Evoqua Water Technologies Llc | Low scale potential water treatment |
-
2016
- 2016-09-06 CN CN201610801993.1A patent/CN106277212A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030213748A1 (en) * | 2000-09-14 | 2003-11-20 | Juzer Jangbarwala | Electrophoretic cross-flow membrane filter system |
| CN1396302A (en) * | 2001-03-08 | 2003-02-12 | 恩通公司 | Electroosmosis regeneration system for chemical sedimentation groove electrolyte |
| US20160115046A1 (en) * | 2006-06-22 | 2016-04-28 | Evoqua Water Technologies Llc | Low scale potential water treatment |
| CN202246182U (en) * | 2011-09-15 | 2012-05-30 | 武汉钢铁(集团)公司 | Novel electrochemical water treatment device |
| CN103833110A (en) * | 2014-01-24 | 2014-06-04 | 江苏凯力克钴业股份有限公司 | Device for treating nickel-cobalt sewage in the hydrometallurgy industry by electrolytic method |
Non-Patent Citations (1)
| Title |
|---|
| 安树林主编: "《膜科学技术实用教程》", 28 February 2005 * |
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Application publication date: 20170104 |
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