1. A carbon capture rinse water treatment system, comprising:

a reactor (4) having a chamber for reaction therein; the reactor (4) is provided with a water inlet (1) and a water outlet (3);

an electrode column (8) arranged inside the cylinder of the reactor (4);

a plurality of particle electrodes (9); the particle electrode (9) is arranged in a cavity of the reactor (4) around the electrode column (8);

the reactor (4) is connected with the negative electrode of a direct current power supply; the electrode column (8) is connected with the positive electrode of the direct current power supply.

2. The carbon capture showering water treatment system according to claim 1, wherein said water inlet (1) is arranged at the lower part of said reactor (4) and is adapted to be connected with a water inlet pipe; the water outlet (3) is arranged at the upper part of the reactor (4).

3. The carbon capture rinse water treatment system of claim 1, characterized in that the reactor (4) is connected to the negative pole of a direct current power supply (12) by a cathode terminal (10); the electrode column (8) is connected with the positive electrode of a direct current power supply (12) through an anode binding post (11).

4. The carbon capture elution water treatment system according to claim 1, wherein the reactor (4) is a cylindrical structure; the electrode column (8) is arranged in the center of the reactor (4).

5. The carbon capture trickle treatment system of claim 4, further comprising:

the water distributor (2) is arranged inside the cavity of the reactor (4) and at the lower end of the electrode column (8); the water distributor (2) is connected with the water inlet (1).

6. The carbon capture trickle treatment system according to claim 1 wherein the particle electrode (9) employs granular activated carbon.

7. The carbon capture trickle treatment system of claim 2, further comprising: the back washing component is provided with a washing inlet arranged at the upper part of the reactor (4) and a washing outlet (6) arranged at the lower part of the reactor (4).

8. The carbon capture showering water treatment system of claim 7, wherein the water outlet (3) acts as a rinse inlet during rinsing.

9. The carbon capture leaching water treatment system according to claim 3, wherein the working current between the cathode and the anode is 2-40mA/cm²。

10. The carbon capture trickle treatment system of claim 1 wherein the electrode column (8) employs one of a DSA electrode, lead oxide electrode or BDD electrode.

Background

In order to collect and utilize carbon dioxide generated from emission sources such as electric power, steel, chemical industry, and the like, the carbon dioxide bomb capture is one of the most effective ways.

The organic amine chemical solvent absorption method is one of the most widely used technologies for capturing carbon dioxide, and after smoke passes through an organic amine solution, carbon dioxide is absorbed and removed, but the smoke may carry part of organic amine and degradation products thereof, so before the smoke is discharged into the atmosphere, the smoke is usually leached by water, and the organic amine and the degradation products thereof are brought into leaching water.

However, because of the enrichment of the organic amine and the degradation products thereof in the leaching water, the leaching efficiency is reduced if the organic amine and the degradation products thereof are not treated in time.

Disclosure of Invention

Therefore, the invention aims to overcome the defect that the leaching efficiency is reduced if the organic amine and the degradation products thereof are not treated in time due to the enrichment of the organic amine and the degradation products thereof in the leaching water in the prior art, thereby providing a carbon capture leaching water treatment system.

In order to solve the above technical problem, the present invention provides a carbon capture rinsing water treatment system, comprising:

the reactor is internally provided with a cavity for reaction; the reactor is provided with a water inlet and a water outlet;

the electrode column is arranged inside the reactor cylinder;

a plurality of particle electrodes; the particle electrode is arranged in a cavity of the reactor around the electrode column;

the reactor is connected with the negative electrode of a direct current power supply; the electrode column is connected with the positive electrode of the direct current power supply.

Preferably, the water inlet is arranged at the lower part of the reactor and is suitable for being connected with a water inlet pipe; the water outlet is arranged at the upper part of the reactor.

Preferably, the reactor is connected with the negative electrode of a direct current power supply through a cathode binding post; the electrode column is connected with the positive electrode of the direct current power supply through the anode wiring terminal.

Preferably, the reactor is of a cylindrical structure; the electrode column is arranged in the center of the reactor.

Preferably, the method further comprises the following steps:

the water distributor is arranged in the cavity of the reactor and at the lower end of the electrode column; the water distributor is connected with the water inlet.

Preferably, the particle electrode adopts granular activated carbon.

Preferably, the method further comprises the following steps: and the back washing component is provided with a washing inlet arranged at the upper part of the reactor and a washing outlet arranged at the lower part of the reactor.

Preferably, the water outlet is used as a washing inlet in the washing process.

Preferably, the working current between the cathode and the anode is 2-40mA/cm²。

Preferably, the electrode column adopts one of a DSA electrode, a lead oxide electrode or a BDD electrode.

The technical scheme of the invention has the following advantages:

1. the invention provides a carbon capture showering water treatment system, which comprises: a reactor, an electrode column and a particle electrode; the leaching water enters the reactor from the water inlet, and the leaching water enters the cavity of the reactor; turning on a direct current power supply, adjusting working current between a cathode and an anode, enabling the leaching water to flow through the particle electrodes, enabling pollutants in the leaching water to be adsorbed by the particle electrodes, enabling two ends of each particle electrode to generate a voltage difference due to the existence of an electric field between the reactor and the electrode column to form a micro electrolytic cell, driving the pollutants on the particle electrodes to perform electrochemical reaction, and removing the pollutants through oxidative degradation; the treated shower water flows out of the reactor from a water outlet; the subsequent leaching efficiency of the leaching water is ensured.

2. According to the carbon capture leaching water treatment system provided by the invention, the water inlet is arranged at the lower part of the reactor, and the water outlet is arranged at the upper part of the reactor; the residence time of the rinse water in the reactor can be controlled so that the contaminants are sufficiently degraded.

3. According to the carbon capture leaching water treatment system provided by the invention, the electrode column is connected with the positive electrode of the direct current power supply, and the electrode column is used as the anode of the electrolytic cell, so that leaching water reacts near the electrode column, namely the center of the cavity, and pollutants in the leaching water are oxidized and degraded.

4. The carbon capture showering water treatment system provided by the invention further comprises: a water distributor; the showering water enters the water distributor from the water inlet and is dispersed uniformly into the cavity of the reactor under the action of the water distributor.

5. According to the carbon capture leaching water treatment system provided by the invention, the particle electrode is made of granular activated carbon, so that the carbon capture leaching water treatment system has the advantages of higher adsorption efficiency, low cost and convenience in regeneration and use.

6. The carbon capture showering water treatment system provided by the invention further comprises: a backwash assembly; the washing water has granular impurities, when the washing water passes through the treatment system, the granules can be blocked between the particle electrodes, so that the pressure difference between the water inlet and the water outlet is changed, when the pressure difference is increased to 10 percent of the initial value, the reactor is backwashed, the water inlet is closed, and the backwashed water enters from the washing inlet and is discharged from the washing discharge port.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic diagram of a processing system according to the present invention.

Description of reference numerals:

1. a water inlet; 2. a water distributor; 3. a water outlet; 4. a reactor; 5. a bottom cover is arranged; 6. flushing the discharge port; 7. a top cover is arranged; 8. an electrode column; 9. a particle electrode; 10. a cathode terminal; 11. an anode terminal; 12. a direct current power supply.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The carbon capture elution water treatment system provided by the embodiment can be arranged in an elution water circulation pipeline, the removal of organic pollutants in the carbon capture elution wastewater is realized by an electrochemical method, the electrochemical process is strengthened through the particle electrodes 9, the treatment efficiency is higher, the recycling efficiency of the elution wastewater is improved, no chemical agent is added in the system, the treatment efficiency is high, and the application prospect is good.

As shown in fig. 1, the processing system includes: a reactor 4; the reactor 4 is made of stainless steel materials and has good corrosion resistance; the reactor 4 is internally provided with a cavity for reaction, and an upper top cover 7 and a lower bottom cover 5 are detachably covered on the cavity; the upper top cover 7 and the lower bottom cover 5 are connected with the reactor 4 through flanges; an electrode column 8 is fixed at the lower part of the upper top cover 7, and the electrode column 8 extends into the cavity of the reactor 4; specifically, the reactor 4 has a cylindrical structure, and the electrode column 8 is disposed at the center of the cylindrical reactor 4. The electrode column 8 adopts one of DSA electrode, lead oxide electrode or BDD electrode

The electrode column 8 is connected with an anode binding post 11 and is in insulation connection with the upper top cover 7, and the anode binding post 11 is connected with the anode of a direct current power supply 12 through a lead so that the electrode column 8 is used as the anode of electrochemical reaction; the cathode binding post 10 is positioned on the side wall of the barrel of the reactor 4, and the anode binding post 11 is connected with the anode of the direct current power supply 12 through a lead; the barrel of the reactor 4 is made to serve as the cathode for the electrochemical reaction;

in the cavity of the reactor 4, particle electrodes 9 are filled around the electrode column 8; specifically, the particle electrode 9 is made of granular activated carbon, so that the adsorption efficiency is high, and the particle electrode has the advantages of low cost and convenience in regeneration and use. Because an electric field exists between the cylinder wall of the reactor 4 as a cathode and the electrode column 8 as an anode, a voltage difference is generated at two ends of each particle electrode 9 to form a micro electrolytic cell, and pollutants on the particle electrodes 9 are driven to generate electrochemical reaction and are removed by oxidative degradation. If the particle electrodes 9 need to be replaced, the upper top cover 7 and the lower bottom cover 5 can be detached for replacement.

A water inlet 1 is arranged at the lower part of the side surface of the barrel of the reactor 4, and one end of the water inlet 1 is connected with a water inlet pipeline through a flange; a water outlet 3 is arranged at the upper part of the side surface of the cylinder body of the reactor 4, and one end of the water outlet 3 is connected with a water outlet pipeline through a flange; the to-be-treated shower water enters from a water inlet 1 at the lower part of the reactor 4 and flows out from a water outlet 3 at the upper part of the reactor 4 after reaction, the retention time of the to-be-treated shower water in the cavity of the reactor 4 is ensured in the process, and the pollutants in the to-be-treated shower water are completely removed.

The water distributor 2 is arranged at the lower end of the electrode column 8 in the cavity of the reactor 4, the water distributor 2 is connected with the water inlet 1, and the to-be-treated leaching water is uniformly dispersed into the cavity of the reactor 4 under the action of the water distributor 2, so that the short flow phenomenon in the reactor 4 is avoided.

In the treatment system, a back washing component is also arranged, and the back washing component is provided with a washing inlet arranged at the upper part of the reactor 4 and a washing outlet 6 arranged at the lower part of the reactor 4; in the process of flushing, the water outlet 3 is used as a flushing inlet. Granular impurities exist in the leaching water, when the leaching water passes through the treatment system, the granules can be blocked between the particle electrodes 9, so that the pressure difference between the water inlet 1 and the water outlet 3 is changed, when the pressure difference is increased to 10 percent of the initial value, the rough waist performs back washing on the reactor 4, the water inlet 1 is closed, and back washing water enters from the washing inlet and is discharged from the washing outlet 6.

Method of use and principles

When in use, the to-be-treated shower water enters the water distributor 2 from the water inlet 1, and is dispersed uniformly into the cavity of the reactor 4 under the action of the water distributor 2;

the DC power supply 12 is turned on to adjust the working current between the cathode and the anode to 10mA/cm²The to-be-treated leaching water flows through the granular activated carbon particle electrode 9 filler, pollutants in the to-be-treated leaching water are adsorbed by the particle electrode 9, meanwhile, because an electric field exists between the cylinder wall of the reactor 4 serving as a cathode and the electrode column 8 serving as an anode, a voltage difference is generated at two ends of each particle electrode 9 to form a micro electrolytic cell, and the pollutants on the particle electrode 9 are driven to perform electrochemical reaction and are removed by oxidative degradation;

the to-be-treated eluting water flowing through the vicinity of the electrode column 8 generates electrochemical reaction in the vicinity of the electrode column 8 serving as an anode, and pollutants are removed by oxidative degradation; specifically, the following reaction occurs:

and (3) cathode reaction:

2H⁺+2e^-→H₂

and (3) anode reaction:

H₂O→·OH+H⁺+e^-

OH^-→·OH+e^-

organic +. OH → CO₂+H₂O + intermediate degradation products

Controlling the retention time of the to-be-treated shower water in the cavity of the reactor to be 30min so as to fully degrade pollutants; the treated wastewater flows out of the reactor through a water outlet.

When the pressure difference between the inlet water and the outlet water is increased to 10% of the initial value, the reactor is back-flushed, the water inlet is closed, and back-flushing water enters from the water outlet and is discharged from the flushing discharge port. When the removal efficiency of the organic matters is reduced by 20 percent, the lower bottom cover of the reactor is opened, the particle electrodes are taken out, the lower bottom cover is closed, the upper top cover is opened, and new or regenerated particle electrodes are filled.

The treatment system adopts a three-dimensional electrochemical reaction system formed by the electrode and the particle electrode, and enhances the electrochemical degradation process of pollutants.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.