CN111621803A - Chlorine dioxide generating device and application - Google Patents
Chlorine dioxide generating device and application Download PDFInfo
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- CN111621803A CN111621803A CN202010503537.5A CN202010503537A CN111621803A CN 111621803 A CN111621803 A CN 111621803A CN 202010503537 A CN202010503537 A CN 202010503537A CN 111621803 A CN111621803 A CN 111621803A
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- chlorine dioxide
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/76—Gas phase processes, e.g. by using aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/02—Oxides of chlorine
- C01B11/022—Chlorine dioxide (ClO2)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/108—Halogens or halogen compounds
Abstract
The invention discloses a chlorine dioxide generating device and application. The chlorine dioxide generating device comprises a container with any shape; a partition board is arranged in the container and divides the container into two ionization chambers; each ionization chamber is internally provided with an electrode which is an aluminum-graphene electrode or a graphene-graphene electrode; the two ionization chambers are filled with sodium chloride aqueous solution, sodium chlorite aqueous solution, sodium hypochlorite aqueous solution or sodium chlorate aqueous solution; the electrodes in the two ionization chambers are respectively connected with the positive electrode and the negative electrode of a direct current power supply. The chlorine dioxide generating device is simple and easy to manufacture, and can be manufactured into devices with any shapes to meet the requirements of different people; the chlorine dioxide high-purity gas has high-efficiency sterilization and removal effects on all indoor peculiar smells and bacteria, and can effectively purify air; the method can also be applied to the treatment of the combustion waste gas of a boiler, and can remove sulfur dioxide, nitric oxide, nitrogen dioxide and other atmospheric pollutants generated by a coal-fired boiler, wherein the removal rate of sulfide is 99 percent, and the removal rate of nitride is more than 90 percent.
Description
Technical Field
The invention relates to a chlorine dioxide generating device and application thereof.
Background
Chlorine dioxide generating devices in the market generate gaseous chlorine dioxide by adopting a chemical reaction mode, the gaseous chlorine dioxide is dissolved in water and then is repeatedly concentrated, and a stable chlorine dioxide solution is formed under the condition of weak base. In the using process, the pH value is required to be adjusted to be acidic and activated to release chlorine dioxide gas, the preparation process is complex, and the use is greatly limited. It is therefore desirable to provide a device that is simple, flexible, and capable of generating chlorine dioxide gas under any conditions.
Disclosure of Invention
The object of the present invention is to provide a simple and flexible device for generating chlorine dioxide under any conditions, said device being applicable in various applications to achieve air purification and contaminant gas removal.
The invention provides a chlorine dioxide generating device, which comprises a container with any shape;
a partition board is arranged in the container and divides the container into two ionization chambers;
each ionization chamber is internally provided with an electrode which is an aluminum-graphene electrode or a graphene-graphene electrode graphite or a graphite product electrode;
the two ionization chambers are filled with sodium chloride aqueous solution, sodium chlorite aqueous solution, sodium hypochlorite aqueous solution or sodium chlorate aqueous solution;
the electrodes in the two ionization chambers are respectively connected with the positive electrode and the negative electrode of a direct current power supply.
In the present invention, any shape of container can be selected, and the shape can be determined according to the application.
In the device of the invention, the separator can be an ion exchange separator, an aluminum silicate plate or a glass fiber plate.
The concentration of the sodium chloride aqueous solution, the sodium chlorite aqueous solution, the sodium hypochlorite aqueous solution or the sodium chlorate aqueous solution is 0.05-0.2 mol/L.
The graphene oxide-graphene electrode adopted by the invention can be prepared according to a method comprising the following steps:
treating graphite oxide by microwave and high temperature to obtain expanded graphite oxide, and pressing into a plate to obtain a graphite oxide plate; and compounding an adhesive tape on the graphite oxide plate for stripping, placing the stripped adhesive tape in hydrazine hydrate for reduction to obtain a graphene film, and compounding the graphene film on a polyester plate to obtain the graphene film.
When the graphene oxide-graphene electrode is adopted, high-purity chlorine dioxide gas can be generated, the electrode is not corroded, and the gas is generally generated within minutes to tens of minutes.
When the aluminum-graphene electrode is used, chlorine dioxide gas can be rapidly (generally within several seconds) generated after the power is turned on, but the aluminum electrode is corroded, which is a disadvantage.
On the basis of a chlorine dioxide generating device, the invention also provides a preparation method of chlorine dioxide, which comprises the following steps:
when the direct current power supply in the chlorine dioxide generating device is switched on, chlorine dioxide gas is generated in one ionization chamber, and the purification effect can be achieved.
The invention also provides a method for purifying indoor air, which comprises the following steps:
the chlorine dioxide generating device is placed indoors, the direct current power supply is connected, chlorine dioxide gas is generated in the ionization chamber and released into air, and therefore real-time purification of indoor air is achieved.
The invention also provides a method for removing indoor formaldehyde, which comprises the following steps:
the chlorine dioxide generating device is placed indoors, the direct-current power supply is connected, chlorine dioxide gas is generated in the ionization chamber and released into the air, and then the indoor formaldehyde is removed.
Particularly, when the chlorine dioxide generating device is suitable for large-scale occasions, the chlorine dioxide generating device can be integrated in a central air conditioner, the air supply and return of the central air conditioner are used for purifying the ambient air, and meanwhile, the whole central air conditioning system is disinfected in real time.
The invention also provides a method for removing pollutants generated by the burning coal of the boiler, which comprises the following steps:
switching on the direct current power supply in the chlorine dioxide generating device, and generating chlorine dioxide gas in the ionization chamber; inputting the chlorine dioxide gas and the waste gas generated by the boiler coal into a gas-liquid exchange tower to remove pollutants in the waste gas generated by the boiler coal;
reacting said contaminants with said chlorine dioxide gas in said gas-liquid exchange column, according to the following reaction equation:
5SO2+2ClO2+6H2O＝5H2SO4+2HCl；
XNO+ClO2+H2O＝HNO3+HCl；
the pollutants in the exhaust gas include sulfur dioxide, nitric oxide and/or nitrogen dioxide.
The invention provides a system for removing pollutants generated by boiler coal, which comprises a chlorine dioxide generating device; the ionization chamber of the chlorine dioxide generating device is communicated with an exchange tower and is used for conveying chlorine dioxide generated by the chlorine dioxide generating device;
waste gas generated by boiler combustion is input into the gas-liquid exchange tower through a pipeline, and in the gas-liquid exchange tower, the chlorine dioxide gas oxidizes pollutants in the waste gas to remove the pollutants in the boiler combustion waste gas.
The reaction that takes place is of the formula:
5SO2+2ClO2+6H2O＝5H2SO4+2HCl；
XNO+ClO2+H2O＝HNO3+HCl。
the invention has the following advantages:
1. the chlorine dioxide generating device is simple and easy to manufacture, and can be manufactured into devices with any shapes to meet the requirements of different people.
2. The chlorine dioxide generating device can rapidly generate chlorine dioxide high-purity gas, and has very obvious effect on removing indoor formaldehyde.
3. The chlorine dioxide high-purity gas generated by the chlorine dioxide generating device has high-efficiency sterilization and removal effects on all indoor peculiar smells and bacteria, and can effectively purify air.
4. The chlorine dioxide generating device can be applied to the treatment of boiler combustion waste gas, and can remove sulfur dioxide, nitric oxide, nitrogen dioxide and other atmospheric pollutants generated by a coal-fired boiler, wherein the removal rate of sulfide is 99%, and the removal rate of nitride is more than 90%.
Drawings
Fig. 1 is a schematic structural diagram of a chlorine dioxide generator according to the present invention.
FIG. 2 shows the results of actual tests for formaldehyde removal.
FIG. 3 is a flow diagram of a method for removing contaminants produced by burning coal in a boiler.
Fig. 4 is a scanning electron microscope picture of the graphene powder prepared by the present invention.
Fig. 5 is an elemental analysis diagram of the graphene powder prepared by the present invention.
FIG. 6 is a scanning electron microscope image of graphene sheets prepared according to the present invention.
Fig. 7 is an elemental analysis diagram of a graphene sheet prepared according to the present invention.
FIG. 8 is 1#Atomic force microscopy pictures of graphene suspensions.
FIG. 9 is 2#Atomic force microscopy pictures of graphene suspensions.
Detailed Description
The experimental procedures used in the following examples are all conventional procedures unless otherwise specified.
Materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
The graphene electrodes used in the following examples were prepared as follows: and (3) after the graphite oxide is treated at high temperature (800-1000 ℃), expanded graphite oxide is generated and pressed into the graphite oxide plate, and high-viscosity adhesive tape is compounded on the graphite oxide plate to strip graphene oxide. And (3) putting the stripped adhesive tape into 10% hydrazine hydrate for reduction to obtain a graphene film, and compounding the graphene film on a polyester plate to obtain the graphene electrode.
The prepared graphene has the following characterization results:
1. scanning electron microscope
(1) The scanning electron microscope picture of the graphene powder is shown in fig. 4, fig. 5 is elemental analysis of the graphene powder, wherein the left picture in fig. 5 is a local scanning electron microscope picture of the graphene powder, and the right picture is elemental analysis of the graphene powder.
Table 1 is elemental analysis of graphene powder.
Table 1 elemental analysis of graphene powder
(2) The scanning electron microscope picture of the graphene sheet is shown in fig. 6, fig. 7 is the graphene sheet elemental analysis, wherein the left image in fig. 7 is a scanning electron microscope local image, and the right image is the graphene sheet elemental analysis.
Table 2 is graphene sheet elemental analysis.
Table 2 graphene sheet elemental analysis
According to the scanning electron microscope result, the two solids are both composed of flaky graphene, and the main elements are carbon, oxygen and aluminum.
2. Atomic force microscopy testing
(1)1#Suspension liquid
The atomic force microscope image is shown in FIG. 8 (suspension No. 1), and it can be seen that 1#The suspension is particles having a non-uniform particle diameter of several micrometers to several tens of nanometers in diameter and a thickness of several nanometers to 100 nanometers or more, and no flaky particles are found.
(2)2#Suspension liquid
The atomic force microscope photograph is shown in FIG. 9 (suspension No. 2), 2#Suspensions with 1#Similarly, the suspension was mostly granular material with larger particle size, and part of the lamellar structure material was detected to be present, and the thickness was about 2.5 nm.
Repeated tests are carried out on the surface resistance of the prepared graphene electrode, and the result shows that the resistance value is 50 omega, and the conductivity is very obvious.
As shown in fig. 1, the structure of the chlorine dioxide generator provided by the present invention is schematically illustrated, and comprises a square container, an ion exchange partition plate 1 is arranged in the middle of the container, and the ion exchange partition plate 1 divides the container into two ionization chambers 2 and 3. Graphene-graphene electrodes 4 are arranged in the two ionization chambers 2 and 3. The two ionization chambers 2 and 3 were filled with an aqueous sodium chlorite solution at a concentration of 0.1M. The graphene-graphene electrodes 4 in the two ionization chambers 2 and 3 are respectively connected with the positive electrode and the negative electrode of a direct-current power supply, and current can be supplied through a solar panel, a USB interface or a battery.
When 5V direct current is switched on, high-purity chlorine dioxide gas (in the ionization chamber 3) is generated within a few seconds.
The high-purity chlorine dioxide gas generated by the generating device can be directly utilized and does not need to be dissolved in alkaline solution.
The generating device can be made into devices with any shapes to meet the requirements of different people.
When the device is used for removing formaldehyde indoors, the chlorine dioxide generating device is placed indoors, a direct-current power supply is switched on, chlorine dioxide gas is generated in the ionization chamber 3, and the air can be purified in real time after the chlorine dioxide gas is released indoors. As shown in FIG. 2, a selected chlorine dioxide gas is generated by the chlorine dioxide generator of the present invention at a rate of 14m2The room in which formaldehyde is released at 1.972mg/m3The formaldehyde removal rate is 95% after the chlorine dioxide generator is started for 114 minutes, the formaldehyde removal rate reaches 100% after the chlorine dioxide generator is started for 165 minutes, and the formaldehyde is completely removed, so that the chlorine dioxide high-purity gas rapidly generated by the chlorine dioxide generator has a very obvious effect on removing indoor formaldehyde.
When the chlorine dioxide generating device is used for purifying air in large occasions, the chlorine dioxide generating device can be integrated in a central air conditioner, and matched with an indoor air monitoring module, the central air conditioner supplies air and returns air to purify ambient air, and meanwhile, the whole central air conditioner system is disinfected in real time.
For example, when the chlorine dioxide generator is used for purifying combustion waste gas of a boiler, the chlorine dioxide generator can be arranged on an external transmission pipeline of the combustion waste gas of the boiler, the chlorine dioxide gas generated by the chlorine dioxide generator is conveyed into a gas-liquid exchange tower through a pipeline, the waste gas (including pollutants such as sulfur dioxide, nitric oxide and/or nitrogen dioxide) combusted by the boiler is also conveyed into the gas-liquid exchange tower through a pipeline, and the chlorine dioxide reacts with the sulfur dioxide, the nitric oxide, the nitrogen dioxide and the like in the waste gas to generate H in the gas-liquid exchange tower2SO4、HNO3HCl, the purified gas is discharged through a chimney, and the flow chart is shown in figure 3. After the reaction, the removal rate of sulfide is 99%; the nitride removal rate is 90% or more.
5SO2+2ClO2+6H2O＝5H2SO4+2HCl；
XNO+ClO2+H2O＝HNO3+HCl。
Claims (10)
1. A chlorine dioxide generating device comprises a container with any shape;
a partition board is arranged in the container and divides the container into two ionization chambers;
each ionization chamber is internally provided with an electrode which is an aluminum-graphene electrode or a graphene-graphene electrode;
the two ionization chambers are filled with sodium chloride aqueous solution, sodium chlorite aqueous solution, sodium hypochlorite aqueous solution or sodium chlorate aqueous solution;
the electrodes in the two ionization chambers are respectively connected with the positive electrode and the negative electrode of a direct current power supply.
2. A chlorine dioxide generating apparatus as defined in claim 1, wherein: the separator is an ion exchange separator, an aluminum silicate plate or a glass fiber plate.
3. A chlorine dioxide generation device as claimed in claim 1 or 2, characterized in that: the concentration of the sodium chloride aqueous solution, the sodium chlorite aqueous solution, the sodium hypochlorite aqueous solution or the sodium chlorate aqueous solution is 0.05-0.2 mol/L.
4. A chlorine dioxide generation device as claimed in any one of claims 1-3, wherein: the graphene oxide-graphene electrode is prepared according to a method comprising the following steps:
treating graphite oxide by microwave and high temperature to obtain expanded graphite oxide, and pressing into a plate to obtain a graphite oxide plate; and compounding an adhesive tape on the graphite oxide plate for stripping, placing the stripped adhesive tape in hydrazine hydrate for reduction to obtain a graphene film, and compounding the graphene film on a polyester plate to obtain the graphene film.
5. A preparation method of chlorine dioxide comprises the following steps:
when the dc power supply of the chlorine dioxide generator according to any one of claims 1 to 4 is turned on, chlorine dioxide gas is generated in one of the ionization chambers and is directly collected.
6. A method of purifying indoor air, comprising the steps of:
the chlorine dioxide generating device of any one of claims 1-4 is placed in a room, the direct current power supply is switched on, and chlorine dioxide gas is generated in the ionization chamber and released into the air to realize real-time purification of the indoor air.
7. A method for removing indoor formaldehyde comprises the following steps:
the chlorine dioxide generating device as defined in any one of claims 1-4 is placed in a room, the direct current power supply is switched on, and chlorine dioxide gas is generated in the ionization chamber and released into the air to remove formaldehyde in the room.
8. The method according to claim 6 or 7, characterized in that: the chlorine dioxide generating device is integrated in a central air conditioner.
9. A method of removing contaminants produced by a coal fired boiler, comprising the steps of:
turning on the dc power supply in the chlorine dioxide generator of any one of claims 1-4, generating chlorine dioxide gas in the ionization chamber; inputting the chlorine dioxide gas and pollutants generated by the coal-fired boiler into a gas-liquid exchange tower to remove the pollutants generated by the coal-fired boiler;
the contaminants include sulfur dioxide, nitric oxide, and/or nitrogen dioxide.
10. A boiler combustion contaminant removal system comprising the chlorine dioxide generating device of any one of claims 1-4; the ionization chamber of the chlorine dioxide generating device is communicated with a gas-liquid exchange tower and is used for conveying chlorine dioxide gas generated by the chlorine dioxide generating device;
and waste gas generated by boiler combustion is input into the gas-liquid exchange tower through a pipeline.
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| CN202010503537.5A CN111621803A (en) | 2020-06-05 | 2020-06-05 | Chlorine dioxide generating device and application |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216784A (en) * | 1997-10-28 | 1999-05-19 | 施特灵·帕尔普化学品有限公司 | Chlorine dioxide generation for water treatment |
| CN201738014U (en) * | 2010-03-30 | 2011-02-09 | 申屠静灵 | Electrolytic cell for efficient electrolytic method chlorine dioxide generator |
| CN102534649A (en) * | 2012-01-11 | 2012-07-04 | 吉林大学 | Method for preparing chlorine dioxide solution by using electrooxidation |
| CN104801160A (en) * | 2015-04-02 | 2015-07-29 | 北京燕京啤酒股份有限公司 | Method for reducing nitrogen oxides in flue gas of medium and small sized industrial coal burning boiler through combination with wet-method sulfur removing technology |
| CN105289258A (en) * | 2015-11-12 | 2016-02-03 | 阎君 | Low temperature desulfurizing, dedusting, mercury-removal, oxidation absorption reduction denitration integrated tower and purification technology |
| CN105683417A (en) * | 2013-09-09 | 2016-06-15 | 大幸药品株式会社 | Chlorine dioxide production device and chlorine dioxide production method |
| CN108570689A (en) * | 2018-04-24 | 2018-09-25 | 大连交通大学 | Electrolysis prepares the device and method of chlorine dioxide |
-
2020
- 2020-06-05 CN CN202010503537.5A patent/CN111621803A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216784A (en) * | 1997-10-28 | 1999-05-19 | 施特灵·帕尔普化学品有限公司 | Chlorine dioxide generation for water treatment |
| CN201738014U (en) * | 2010-03-30 | 2011-02-09 | 申屠静灵 | Electrolytic cell for efficient electrolytic method chlorine dioxide generator |
| CN102534649A (en) * | 2012-01-11 | 2012-07-04 | 吉林大学 | Method for preparing chlorine dioxide solution by using electrooxidation |
| CN105683417A (en) * | 2013-09-09 | 2016-06-15 | 大幸药品株式会社 | Chlorine dioxide production device and chlorine dioxide production method |
| CN104801160A (en) * | 2015-04-02 | 2015-07-29 | 北京燕京啤酒股份有限公司 | Method for reducing nitrogen oxides in flue gas of medium and small sized industrial coal burning boiler through combination with wet-method sulfur removing technology |
| CN105289258A (en) * | 2015-11-12 | 2016-02-03 | 阎君 | Low temperature desulfurizing, dedusting, mercury-removal, oxidation absorption reduction denitration integrated tower and purification technology |
| CN108570689A (en) * | 2018-04-24 | 2018-09-25 | 大连交通大学 | Electrolysis prepares the device and method of chlorine dioxide |
Non-Patent Citations (3)
| Title |
|---|
| 云虹: "缓蚀二氧化氯对人造板甲醛去除效率的研究", 《无机盐工业》 * |
| 张流波: "《医学消毒学最新进展》", 31 December 2015 * |
| 技术情报部: "《膜信息荟萃 第6集 膜技术的开发与应用汇编》", 30 January 1994 * |
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Application publication date: 20200904 |