CN113856459A - Reaction device for photocatalytic carbon dioxide reduction - Google Patents
Reaction device for photocatalytic carbon dioxide reduction Download PDFInfo
- Publication number
- CN113856459A CN113856459A CN202111236402.8A CN202111236402A CN113856459A CN 113856459 A CN113856459 A CN 113856459A CN 202111236402 A CN202111236402 A CN 202111236402A CN 113856459 A CN113856459 A CN 113856459A
- Authority
- CN
- China
- Prior art keywords
- reaction
- constant temperature
- carbon dioxide
- dioxide reduction
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8671—Removing components of defined structure not provided for in B01D53/8603 - B01D53/8668
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention provides a reaction device for photocatalytic carbon dioxide reduction, which comprises a shell, a reactor and a light source, wherein a constant temperature cavity is arranged in the shell, a constant temperature liquid inlet and a constant temperature liquid outlet are formed in the shell, the constant temperature liquid inlet and the constant temperature liquid outlet are respectively communicated with the constant temperature cavity and are mutually communicated through the constant temperature cavity, the reactor comprises a reaction tube, a reaction cavity is formed in the reaction tube, a gas inlet and a gas outlet are formed in the reaction tube, the gas inlet and the gas outlet are respectively communicated with the reaction cavity and are mutually communicated through the reaction cavity, the reaction tube is arranged in the constant temperature cavity, the light source is arranged in the constant temperature cavity, and light of the light source penetrates through the reaction tube and catalyzes carbon dioxide reduction in the reaction cavity. The invention effectively improves the photocatalytic CO2The efficiency of the reduction.
Description
Technical Field
The invention relates to the field of chemical equipment, in particular to photocatalytic carbon dioxide (CO)2A reaction device for reduction.
Background
Excessive CO2 emissions have a serious impact on the natural carbon cycle balance, causing various environmental problems, especially the greenhouse effect. The development of a technical scheme capable of stably controlling the total amount of CO2 in the atmosphere or recycling CO2 and actively coping with energy crisis is a major research topic of world scientists.
The captured CO2 is converted into hydrocarbon fuel with high added value under mild reaction conditions (normal temperature and normal pressure) by utilizing a photocatalysis technology, the hydrocarbon fuel is taken as an energy carrier, and further the carbon recycling is realized, so that the method is an ideal CO2 conversion and utilization scheme.
Currently, extensive research is being conducted on photocatalytic CO2 reduction, and a large number of photocatalysts have been demonstrated to have activity in reducing CO 2. However, the design of the reactor for photocatalytic reduction of CO2 limits the spread of the technology.
For this reason, those skilled in the art have been devoted to developing a reaction apparatus having an effective photocatalytic carbon dioxide reduction efficiency.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a reaction device for photocatalytic carbon dioxide reduction, which effectively improves the reaction efficiency.
According to the invention, a reaction device for photocatalytic carbon dioxide reduction is provided, which comprises a shell, a reactor and a light source, wherein a constant temperature cavity is arranged in the shell, a constant temperature liquid inlet and a constant temperature liquid outlet are arranged on the shell, the constant temperature liquid inlet and the constant temperature liquid outlet are respectively communicated with the constant temperature cavity, the constant temperature liquid inlet and the constant temperature liquid outlet are mutually communicated through the constant temperature cavity, the reactor comprises a reaction tube, a reaction cavity is arranged in the reaction tube, a gas inlet and a gas outlet are arranged on the reaction tube, the gas inlet and the gas outlet are respectively communicated with the reaction cavity, the gas inlet and the gas outlet are mutually communicated through the reaction cavity, the reaction tube and the light source are both arranged in the constant temperature cavity, and light emitted by the light source passes through the reaction tube and enters the reaction cavity to catalyze the carbon dioxide reduction.
Preferably: the inner wall of the reaction cavity is coated with a photocatalyst.
Preferably: the constant temperature liquid inlet is positioned at the bottom of the shell, and the constant temperature liquid outlet is positioned at the top of the shell.
Preferably: the constant temperature liquid inlet and the constant temperature liquid outlet are respectively positioned on two sides of the shell.
Preferably: and a reflective layer is arranged on the inner wall of the constant temperature cavity in the shell.
Preferably: the reaction tube is in the shape of a hollow spiral tube.
Preferably: the light source is positioned on the central axis of the reaction tube.
Preferably: the reactor also comprises a constant temperature pipe, the constant temperature pipe is in a hollow tubular shape, the constant temperature pipe is sleeved on the reaction pipe, and the constant temperature pipe is provided with a liquid inlet and a liquid outlet which are communicated.
Preferably: the reactor and the light source are respectively detachably connected with the shell.
Preferably: the shape of the shell is cylindrical.
The reaction device for photocatalytic carbon dioxide reduction effectively improves the reaction efficiency.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a reaction apparatus for photocatalytic carbon dioxide reduction according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a reactor for photocatalytic carbon dioxide reduction according to an embodiment of the present invention;
FIG. 3 is a schematic diagram showing the structure of a reactor of a reaction apparatus for photocatalytic carbon dioxide reduction according to an embodiment of the present invention;
fig. 4 is a schematic view of an outlet structure of a reactor apparatus for photocatalytic carbon dioxide reduction according to an embodiment of the present invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.
As shown in fig. 1, in an embodiment of the present invention, there is provided a reaction device for photocatalytic carbon dioxide reduction, including a housing 1, a reactor 2, and a light source 3.
In conjunction with that shown in fig. 2, a thermostatic chamber is provided in the housing 1. The thermostatic chamber is a cavity formed inside the housing 1, and is preferably formed by an inner wall of the housing 1. The shell 1 is provided with a constant temperature liquid inlet 4 and a constant temperature liquid outlet 5. The constant temperature liquid inlet 4 and the constant temperature liquid outlet 5 are respectively communicated with the constant temperature cavity and are mutually communicated through the constant temperature cavity. That is, a constant temperature liquid is introduced into the constant temperature chamber from a constant temperature liquid inlet 4 and then discharged from a constant temperature liquid outlet 5, thereby controlling the temperature in the constant temperature chamber.
And in conjunction therewith as shown in fig. 3, the reactor 2 comprises a reaction tube 6. A reaction cavity is arranged in the reaction tube 6. The reaction chamber is a chamber formed inside the reaction tube 6, and is preferably formed by the inner wall of the reaction tube 6. The photocatalytic carbon dioxide reduction reaction is carried out in the reaction chamber.
The reaction tube 6 is provided with a gas inlet and a gas outlet. The gas inlet and the gas outlet are respectively communicated with the reaction cavity and are mutually communicated through the reaction cavity. And reaction gas enters the reaction cavity from the gas inlet and flows out from the gas outlet after the reaction is finished.
The reaction tube 6 is disposed in a thermostatic chamber of the housing 1, in which the light source 3 is also disposed.
The light source 3 emits light, the gas in the reaction tube 6 receives the light and performs a photocatalytic carbon dioxide reduction reaction, and the thermostatic chamber provides a suitable temperature.
Preferably, the constant-temperature liquid and the reactor are suitable for light to pass through.
The embodiment of the invention can effectively improve the efficiency of the photocatalytic carbon dioxide reduction reaction.
As shown in fig. 1, in the embodiment of the present invention, it is preferable that the inner wall of the reaction chamber in the reaction tube 6 is provided with a photocatalyst to facilitate the reaction.
As also shown in fig. 1, in the embodiment of the present invention, it is preferable that the constant temperature liquid inlet 4 is located at the bottom of the housing 1 and the constant temperature liquid outlet 5 is located at the top of the housing 1. Wherein the top and the bottom are the upper and the lower half parts as shown in the figure. And in combination with as shown in fig. 2, it is preferable that the constant temperature liquid inlet 4 and the constant temperature liquid outlet 5 are respectively located at both sides of the case 1 to improve the constant temperature liquid utilization efficiency.
In the embodiment of the present invention, it is preferable that a reflective layer is disposed on an inner wall of the thermostatic chamber in the housing 1, so as to reflect light and improve light utilization rate and catalytic efficiency. .
As shown in fig. 1, in the embodiment of the present invention, it is preferable that the reaction tube 6 has a shape of a hollow spiral tube. The light source 3 is positioned on the central axis of the reaction tube 6, and the light utilization efficiency is improved.
As shown in fig. 3 and 4, in the embodiment of the present invention, the reactor 2 further includes a constant temperature pipe 7, and the constant temperature pipe 7 is sleeved on the reaction pipe 6. The thermostatic tube 7 is provided with a liquid inlet and a liquid outlet which are communicated with each other, so that the control efficiency of the reaction temperature is further improved.
In addition, in the embodiment of the present invention, it is preferable that the reactor 2 and the light source 3 are detachably connected to the housing 1, respectively, and are simple and easy to implement.
As shown in fig. 1, in an embodiment of the present invention, a reaction apparatus for photocatalytic carbon dioxide reduction includes a housing 1, a reactor 2, and a light source 3.
The housing 1 is preferably a cylindrical cylinder. The housing of the cylinder is hollow, and as shown in fig. 2, two cylindrical water inlets and outlets, i.e., a constant temperature liquid inlet 4 and a constant temperature liquid outlet 5 in fig. 1, are preferably left at upper and lower positions of the side surface of the cylinder housing, which are symmetrical.
Constant temperature liquid can be injected into the shell of the cylindrical barrel from the constant temperature liquid inlet 4 and flows out from the constant temperature liquid outlet 5, so that the temperature environment in the reaction device can be ensured.
The inner wall of the cylinder body is a reflecting layer. The reflecting layer on the inner wall of the cylinder can reflect light emitted by the light source for multiple times, so that the light utilization rate is improved.
Inside the housing 1 of the reactor apparatus is a hollow helical reactor 2, the cross-sectional view of which is shown in fig. 3. On the central axis within the reactor 2 is a light source 3 of the reaction apparatus.
The spiral reactor 2 and the light source 3 are assembled with the shell of the reaction device and can be detached independently, thereby the reaction device is easy to operate.
The helical reactor 2 is preferably composed of a hollow inner tube reactor tube 6 and an outer tube thermostat tube 7, the outlet configuration of which is shown in fig. 4, the inlet and outlet configurations being the same.
The wall of the inner tube reaction tube 6 of the reactor 2 is coated with photocatalyst, reactant CO2And gas is introduced from the inlet of the inner pipe for reaction and then is discharged from the outlet of the inner pipe. Design of helical reactor for CO2The retention time of the gas is prolonged, and the gas is fully contacted with the catalyst, so that the reaction is full, and the reaction efficiency is improved.
Due to the continuous irradiation of the light source, the temperature of the reactor is too high along with the prolonging of time, the reaction efficiency is influenced, and even the catalyst is poisoned. Although the shell 1 part of the reaction device is designed with a constant temperature or temperature reduction scheme, the spiral reactor 2 is designed into a structure consisting of a hollow inner tube reaction tube 6 and an outer tube constant temperature tube 7, and the outer tube constant temperature tube 7 is used for introducing constant temperature or temperature reduction liquid, considering that in the actual industrial application process, the temperature requirement cannot be met only by the constant temperature or temperature reduction scheme of the shell 1 part due to the fact that the volume of the reaction device is too large and the reaction is at the position of the reactor 2.
The invention is described below in specific examples:
example 1
As shown in fig. 1 to 4, a reaction device for photocatalytic carbon dioxide reduction includes a housing 1, a reactor 2, and a light source 3.
A constant temperature cavity is arranged in the shell 1. The thermostatic chamber is a cavity formed inside the housing 1 and formed by the inner wall of the housing 1. A reflecting layer is arranged on the inner wall of the constant temperature cavity.
The shell 1 is provided with a constant temperature liquid inlet 4 and a constant temperature liquid outlet 5. The constant temperature liquid inlet 4 and the constant temperature liquid outlet 5 are respectively communicated with the constant temperature cavity and are mutually communicated through the constant temperature cavity.
The constant temperature liquid inlet 4 is positioned at the bottom of the shell 1, and the constant temperature liquid outlet 5 is positioned at the top of the shell 1 and is respectively positioned at two sides of the shell 1.
The reactor 2 includes a reaction tube 6 and a thermostatic tube 7.
A reaction cavity is arranged in the reaction tube 6. The reaction chamber is a cavity formed inside the reaction tube 6 and is formed by the inner wall of the reaction tube 6. The inner wall of the reaction cavity is provided with a photocatalyst, and the photocatalytic carbon dioxide reduction reaction is carried out in the reaction cavity.
The reaction tube 6 is provided with a gas inlet and a gas outlet. The gas inlet and the gas outlet are respectively communicated with the reaction cavity and are mutually communicated through the reaction cavity. And reaction gas enters the reaction cavity from the gas inlet and flows out from the gas outlet after the reaction is finished.
The thermostatic tube 7 is sleeved on the reaction tube 6. The thermostatic tube 7 is provided with a liquid inlet and a liquid outlet which are communicated.
The reaction tube 6 and the thermostatic tube 7 are shaped like a hollow spiral tube.
The light source 3 is located on the central axis of the reaction tube 6.
The reaction tube 6 and the thermostatic tube 7 are provided in a thermostatic chamber of the housing 1, in which the light source 3 is also provided.
The reactor 2 and the light source 3 are detachably connected to the housing 1, respectively.
The light source 3 emits light, the gas in the reaction tube 6 receives the light and performs a photocatalytic carbon dioxide reduction reaction, and the thermostatic chamber and the thermostatic tube 7 provide a suitable temperature.
In conclusion, the reaction device for photocatalytic carbon dioxide reduction provided by the embodiment of the invention can effectively improve the reaction efficiency.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. The utility model provides a reaction unit of photocatalysis carbon dioxide reduction, a serial communication port, including casing, reactor and light source, be equipped with the thermostatic chamber in the casing, be equipped with thermostatic liquid import and thermostatic liquid export on the casing, thermostatic liquid import and thermostatic liquid export respectively with the thermostatic chamber communicates with each other just thermostatic liquid import and thermostatic liquid export pass through each other the thermostatic chamber communicates with each other, the reactor includes the reaction tube, be equipped with the reaction chamber in the reaction tube, be equipped with gas inlet and gas outlet on the reaction tube, gas inlet and gas outlet respectively with the reaction chamber communicates with each other just gas inlet and gas outlet pass through each other the reaction chamber communicates with each other, reaction tube and light source all locate in the thermostatic chamber, the light that the light source sent passes the reaction tube and enters the interior catalytic carbon dioxide reduction of reaction chamber.
2. The reaction device for photocatalytic carbon dioxide reduction according to claim 1, characterized in that: the inner wall of the reaction cavity is coated with a photocatalyst.
3. The reaction device for photocatalytic carbon dioxide reduction according to claim 1, characterized in that: the constant temperature liquid inlet is positioned at the bottom of the shell, and the constant temperature liquid outlet is positioned at the top of the shell.
4. The reaction device for photocatalytic carbon dioxide reduction according to claim 1, characterized in that: the constant temperature liquid inlet and the constant temperature liquid outlet are respectively positioned on two sides of the shell.
5. The reaction device for photocatalytic carbon dioxide reduction according to claim 1, characterized in that: and a reflective layer is arranged on the inner wall of the constant temperature cavity in the shell.
6. The reaction device for photocatalytic carbon dioxide reduction according to claim 1, characterized in that: the reaction tube is in the shape of a hollow spiral tube.
7. The reaction device for photocatalytic carbon dioxide reduction according to claim 6, characterized in that: the light source is positioned on the central axis of the reaction tube.
8. The reaction device for photocatalytic carbon dioxide reduction according to claim 1, characterized in that: the reactor also comprises a constant temperature pipe, the constant temperature pipe is in a hollow tubular shape, the constant temperature pipe is sleeved on the reaction pipe, and the constant temperature pipe is provided with a liquid inlet and a liquid outlet which are communicated.
9. The reaction device for photocatalytic carbon dioxide reduction according to claim 1, characterized in that: the reactor and the light source are respectively detachably connected with the shell.
10. The reaction device for photocatalytic carbon dioxide reduction according to claim 1, characterized in that: the shape of the shell is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111236402.8A CN113856459A (en) | 2021-10-22 | 2021-10-22 | Reaction device for photocatalytic carbon dioxide reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111236402.8A CN113856459A (en) | 2021-10-22 | 2021-10-22 | Reaction device for photocatalytic carbon dioxide reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113856459A true CN113856459A (en) | 2021-12-31 |
Family
ID=78997398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111236402.8A Pending CN113856459A (en) | 2021-10-22 | 2021-10-22 | Reaction device for photocatalytic carbon dioxide reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113856459A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019266A (en) * | 2019-12-09 | 2021-06-25 | 上海合全药业股份有限公司 | Continuous photocatalytic pipeline reactor and method for carrying out trifluoromethylation reaction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004315413A (en) * | 2003-04-15 | 2004-11-11 | Mitsubishi Heavy Ind Ltd | Reactor for methanol synthesis and method for producing methanol |
| CN102580651A (en) * | 2012-03-01 | 2012-07-18 | 西北大学 | Titanium dioxide photo-catalytic micro-reactor |
| CN107008214A (en) * | 2017-04-26 | 2017-08-04 | 华中科技大学 | A kind of photo catalytic reduction CO2Reactor |
| CN208591841U (en) * | 2018-08-02 | 2019-03-12 | 重庆哈丁环境试验技术股份有限公司 | A kind of vacuum temperature control chamber |
| CN214438935U (en) * | 2021-03-15 | 2021-10-22 | 秦皇岛诺曼克化工科技有限公司 | Automatic hot water supply device for surfactant production |
-
2021
- 2021-10-22 CN CN202111236402.8A patent/CN113856459A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004315413A (en) * | 2003-04-15 | 2004-11-11 | Mitsubishi Heavy Ind Ltd | Reactor for methanol synthesis and method for producing methanol |
| CN102580651A (en) * | 2012-03-01 | 2012-07-18 | 西北大学 | Titanium dioxide photo-catalytic micro-reactor |
| CN107008214A (en) * | 2017-04-26 | 2017-08-04 | 华中科技大学 | A kind of photo catalytic reduction CO2Reactor |
| CN208591841U (en) * | 2018-08-02 | 2019-03-12 | 重庆哈丁环境试验技术股份有限公司 | A kind of vacuum temperature control chamber |
| CN214438935U (en) * | 2021-03-15 | 2021-10-22 | 秦皇岛诺曼克化工科技有限公司 | Automatic hot water supply device for surfactant production |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019266A (en) * | 2019-12-09 | 2021-06-25 | 上海合全药业股份有限公司 | Continuous photocatalytic pipeline reactor and method for carrying out trifluoromethylation reaction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204689799U (en) | Based on the photocatalytic oxidation reactor of activated carbon supported nano TiO 2 | |
| CN113856459A (en) | Reaction device for photocatalytic carbon dioxide reduction | |
| CN109876753A (en) | A kind of solar energy high temperature reactor of integrated phase-change accumulation energy and chemical energy storage | |
| CN204778931U (en) | Experimental reactor of photocatalysis | |
| CN110394127B (en) | Fluidized bed methane dry reforming reaction device and method with plasma in-situ coupled ultraviolet light | |
| CN108479796A (en) | A kind of cleaning equipment and its purification method of photochemical catalyst and volatile organic matter | |
| CN101773767A (en) | Internal circulation closed type CO2 film photocatalytic reduction reaction device and reduction method thereof | |
| CN109966691A (en) | A kind of round-the-clock discarded refrigerant photo-thermal Synergistic degradation system | |
| CN111151200B (en) | Solar cavity type reactor based on light-transmitting breathable heat-gathering reaction chamber | |
| CN202379772U (en) | Photo-catalytic reactor for fluidized bed and gas distributor for photo-catalytic reactor | |
| CN205269628U (en) | Photocatalysis chemical reaction device | |
| CN110550804A (en) | industrial wastewater circulating treatment and purification device for ozone oxidation and use method | |
| CN208660823U (en) | A kind of emission-control equipment | |
| CN214734510U (en) | Hydrogen production system | |
| CN205199479U (en) | Air distributor reaches reactor including it | |
| CN108421411A (en) | Distributed photocatalytic waste gas treatment device based on photoelectric conversion and its application method | |
| CN209210382U (en) | A kind of methane and carbon dioxide dry reforming reactor | |
| CN210612765U (en) | All-weather waste refrigerant photo-thermal synergistic degradation system | |
| CN212227064U (en) | Catalytic combustion device for VOC (volatile organic compound) waste gas treatment in coking industry | |
| CN210057897U (en) | Novel thermal desorption type SCR denitration reactor with separated bins | |
| CN209081426U (en) | Hydrogen production by methanol system for pure electric automobile integrated fuel battery | |
| CN209663254U (en) | A kind of photocatalytic oxidation device | |
| CN211098356U (en) | Purifying tower for treating atmospheric pollution | |
| CN217164353U (en) | High-efficient photocatalytic hydrogen production reaction system | |
| CN210457790U (en) | Packed bed light wave catalytic reaction waste water treatment equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |