CN114249467A - Method for reducing heavy metal content in water by electrolysis - Google Patents
Method for reducing heavy metal content in water by electrolysis Download PDFInfo
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- CN114249467A CN114249467A CN202111539909.0A CN202111539909A CN114249467A CN 114249467 A CN114249467 A CN 114249467A CN 202111539909 A CN202111539909 A CN 202111539909A CN 114249467 A CN114249467 A CN 114249467A
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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
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
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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
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a method for reducing the content of heavy metals in water by an electrolysis mode, and relates to the technical field of electrolyzed water. The invention comprises the following steps of Step 1: the water source to be treated enters a heavy metal separation device through a filtering device, Step 2: after the heavy metal separation device is controlled by an electric control system to be electrified, water flows through the main water bin, liquid containing heavy metals enters the auxiliary water bin, and water generated by electrolysis of a water source to be treated flows out of the heavy metal removal water bin through a main water outlet pipe in the water outlet device; part of water source to be treated enters the heavy metal water sump through the separation membrane to form byproduct water, and the byproduct water flows out of the heavy metal water sump through the auxiliary water outlet pipe in the water outlet device.
Description
Technical Field
The invention relates to the technical field of electrolyzed water, in particular to a method for reducing the content of heavy metal in water in an electrolysis mode.
Background
The electrolytic treatment method of waste water is characterized by that it utilizes the electrolytic mechanism to make the harmful substances in the original waste water produce oxidation and reduction reactions on anode and cathode respectively to convert them into harmless substances so as to implement waste water purification, and the electrolytic tank is divided into unipolar and bipolar by connecting polar plate with power supply, after the power supply is turned on, the anode can lose electrons and produce oxidation reaction, the cathode can obtain electrons and produce reduction reaction, the water flow can be passed through the electrolytic tank as electrolyte, and the oxidation and reduction reactions are respectively produced on anode and cathode, and the harmful substances are removed, and the bipolar electrode electrolytic tank is characterized by that its intermediate electrode can produce bipolar by means of electrostatic induction, and compared with monopolar electrode electrolytic tank, said electrolytic tank is simple in electrode connection, safe in operation and its power consumption is obviously reduced, and its anode is connected with rectifier anode and cathode is connected with rectifier cathode, and a low-voltage DC power supply is used, the method has the advantages that a large amount of chemical agents are not consumed, the operation is carried out at normal temperature and normal pressure, the management is simple and convenient, if the concentration of pollutants in the wastewater changes, the stable quality of effluent can be ensured by adjusting the voltage and the current, the occupied area of a treatment device is small, but the power consumption and the consumption of electrode metals are large when a large amount of wastewater is treated, and separated sediment substances are not easy to treat and utilize;
among the prior art, the equipment device that aquatic heavy metal was got rid of to electrolysis water for life mostly carries out the electrolysis with two poles of earth disect insertion aquatic, because the discharge requirement to needs processing is different under different in service behavior, to the consumption of polar plate metal when the electrolysis, need change the maintenance according to service behavior when in-service use, this kind of device that has now often all sets for required specification in advance when the factory production, the unadjustable rectification volume during in-service use, need close whole equipment during the change, influence the use.
Disclosure of Invention
The invention aims to provide a method for reducing the content of heavy metals in water by an electrolysis mode so as to solve the problems of low hydrogen content and high preparation cost of the traditional hydrogen-rich water.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a method for reducing the content of heavy metal in water by an electrolysis mode, which comprises a filtering device, a heavy metal separation device and a water outlet device.
Preferably, the filtering device can filter silt, garbage and organisms in a water source to be treated.
Preferably, heavy metal separator, including going heavy metal sump, separation membrane, electrical system, the heavy metal sump is the tubular structure, is called the sleeve, wherein includes three plate electrodes, and a positive plate is in the centre, and both sides set up the negative plate, separate with the separation membrane between positive plate and the negative plate, form main sump and vice sump, and the positive plate is the main sump that is in place, and the negative plate is the vice sump that is in place, and the negative plate is the mesh polar plate, and the separation membrane is flattened on the negative plate surface.
Preferably, the water outlet device comprises a main water outlet pipe and an auxiliary water outlet pipe.
Preferably, the electrolysis method for reducing the content of heavy metals in water comprises the following steps:
step 1: the water source to be treated enters the heavy metal separation device through the filtering device;
step 2: after the heavy metal separation device is controlled by an electric control system to be electrified, water flows through the main water bin, liquid containing heavy metals enters the auxiliary water bin, and water generated by electrolysis of a water source to be treated flows out of the heavy metal removal water bin through a main water outlet pipe in the water outlet device; part of water source to be treated enters the heavy metal water bin through the separation membrane to form byproduct water, and the byproduct water flows out of the heavy metal water bin through an auxiliary water outlet pipe in the water outlet device.
Preferably, the separation membrane comprises an ionic membrane or a semi-permeable membrane.
The invention has the following beneficial effects:
according to the method for reducing the content of heavy metals in water in an electrolysis mode, the installation box and the sleeves can be conveniently installed in a modularized mode, the sleeves with different numbers are installed according to different requirements, the flow of the electrolysis device can be conveniently adjusted, the electrolysis device does not need to be stopped when a polar plate is maintained and replaced, and the electrolysis device can be conveniently replaced only by replacing the specified sleeves.
According to the method for reducing the content of heavy metals in water in an electrolysis mode, the current of a lead is 36V, the distance between polar plates is 5mm, the tips of the edges of the polar plates are sharp, the electrolysis effect is good, the gas production at the edges of the anode plates is improved, the pH is obviously reduced, the electrolysis efficiency is increased, water-resistant, corrosion-resistant, water-permeable, acid-resistant and alkali-resistant ion membranes are attached for ion exchange, the anode plates and the cathode plates generate ion exchange on the ion membranes, the electrolysis efficiency is improved, if the water quality is poor, the strong water-permeable membranes are attached to the two sides of the ion membranes, the ion membranes are protected, the filtration burden is reduced, and the service life of the ion membranes is prolonged.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the operation of the method for reducing the content of heavy metals in water by electrolysis according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1: the invention relates to a method for reducing the content of heavy metal in water by an electrolysis mode, which comprises a filtering device, a heavy metal separation device and a water outlet device.
Preferably, the filtering device can filter silt, garbage and organisms in a water source to be treated.
Preferably, heavy metal separator, including going heavy metal sump, separation membrane, electrical system, the heavy metal sump is the tubular structure, and wherein including three electrode plates, a positive plate is in the centre, and both sides set up the negative plate, separate with the separation membrane between positive plate and the negative plate, form main sump and vice sump, and what the positive plate was located is main sump, and what the negative plate was located is vice sump, and the negative plate is the mesh polar plate, and the separation membrane is flattened on the negative plate surface.
Preferably, the water outlet device comprises a main water outlet pipe and an auxiliary water outlet pipe.
Preferably, the electrolysis method for reducing the content of heavy metals in water comprises the following steps:
step 1: the water source to be treated enters the heavy metal separation device through the filtering device;
step 2: after the heavy metal separation device is controlled by an electric control system to be electrified, water flows through the main water bin, liquid containing heavy metals enters the auxiliary water bin, and water generated by electrolysis of a water source to be treated flows out of the heavy metal removal water bin through a main water outlet pipe in the water outlet device; part of water source to be treated enters the heavy metal water bin through the separation membrane to form byproduct water, and the byproduct water flows out of the heavy metal water bin through an auxiliary water outlet pipe in the water outlet device.
Preferably, the separation membrane comprises an ionic membrane or a semi-permeable membrane.
In this scheme, the wire electric current is 36V, polar plate interval 5mm, plate electrode edge is most advanced, and electrolysis is effectual, and anode plate edge gas production promotes, and pH obviously reduces, and electrolysis efficiency increases, establishes water-fast through pasting, and is corrosion-resistant, and the water permeability is strong, acidproof, and alkali-resistant ionic membrane carries out ion exchange, and the anode plate all produces ion exchange in the ionic membrane, promotes electrolysis efficiency, if quality of water is not good, then the strong permeable membrane of ionic membrane both sides subsides, the protection ionic membrane alleviates filtration burden and prolongs the ionic membrane life-span.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A method for reducing the content of heavy metals in water in an electrolysis mode is characterized by comprising a filtering device, a heavy metal separation device and a water outlet device.
2. The filtration apparatus of claim 1, wherein the water source to be treated is filtered for silt, garbage, and organisms.
3. The heavy metal separation device of claim 1, comprising a heavy metal removal water bin, a separation membrane and an electric control system.
4. The water outlet device according to claim 1, comprising a main water outlet pipe and an auxiliary water outlet pipe.
5. An electrolysis process to reduce the heavy metal content in water according to claim 1 comprising the steps of:
step 1: the water source to be treated enters the heavy metal separation device through the filtering device.
Step 2: after the heavy metal separation device is controlled by an electric control system to be electrified, water generated by the electrolysis of a water source to be treated flows out of the heavy metal removal water bin through a main water outlet pipe in the water outlet device; part of water source to be treated enters the heavy metal water bin through the separation membrane to form byproduct water, and the byproduct water flows out of the heavy metal water bin through an auxiliary water outlet pipe in the water outlet device.
6. The separation membrane of claim 3, comprising an ionic membrane or a semi-permeable membrane.
7. The water exiting the main outlet pipe of claim 5 wherein the heavy metal content is effectively reduced compared to the water source to be treated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111539909.0A CN114249467A (en) | 2021-12-15 | 2021-12-15 | Method for reducing heavy metal content in water by electrolysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111539909.0A CN114249467A (en) | 2021-12-15 | 2021-12-15 | Method for reducing heavy metal content in water by electrolysis |
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| Publication Number | Publication Date |
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| CN114249467A true CN114249467A (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111539909.0A Pending CN114249467A (en) | 2021-12-15 | 2021-12-15 | Method for reducing heavy metal content in water by electrolysis |
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| CN (1) | CN114249467A (en) |
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2021
- 2021-12-15 CN CN202111539909.0A patent/CN114249467A/en active Pending
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