CN110681258B - Waste gas treatment device and treatment method - Google Patents
Waste gas treatment device and treatment method Download PDFInfo
- Publication number
- CN110681258B CN110681258B CN201810738433.5A CN201810738433A CN110681258B CN 110681258 B CN110681258 B CN 110681258B CN 201810738433 A CN201810738433 A CN 201810738433A CN 110681258 B CN110681258 B CN 110681258B
- Authority
- CN
- China
- Prior art keywords
- reaction cavity
- diameter ratio
- waste gas
- reaction
- guide 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.)
- Active
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
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- 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
-
- 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
- B01D53/84—Biological processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- 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
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
-
- 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 discloses a waste gas device and a treatment method, which are used for treating waste gas in a chemical process, the method combines a biological method and a photocatalytic method, the matched device has low cost and simple operation, is suitable for treating waste gas with various discharge amounts and concentrations, enhances the removal rate of the waste gas, and solves the defects of low treatment capacity, large energy consumption, low removal rate and heavy secondary pollution of the common waste gas treatment method. The waste gas treatment mainly comprises the following steps: biological primary purification of waste gas in reaction cavity A by using microbial suspension, and biological primary purification in reaction cavity B by using ultraviolet lamp and photocatalyst TiO 2 The waste gas is subjected to photocatalytic secondary purification. The exhaust gas treatment device includes: the device comprises a reaction cavity A, a heat exchange sleeve, a gas distributor A, a demister, a flange, a reaction cavity B, a gas distributor B, an ultraviolet lamp, a catalyst loading frame and the like.
Description
Technical Field
The invention relates to a waste gas treatment device and a waste gas treatment method, and belongs to the field of environmental protection.
Background
The rapid development of modern industry brings the social economy to increase and also poses serious threats to the environment, and especially the large amount of Volatile Organic Compounds (VOC) emission is attracting global attention. The definition of VOC by the world health organization is that the types of VOC, which are the general term for volatile organic compounds having a melting point lower than room temperature and a boiling point between 50 and 260 ℃, are roughly classified into alkanes, aromatic hydrocarbons, aldehydes, olefins, halocarbons, esters, ketones, etc., the sources of VOC are mainly classified into mobile sources and stationary sources, the mobile sources mainly refer to the exhaust gas of vehicles using petroleum products as fuel, such as automobiles, the stationary sources mainly refer to the exhaust gas of chemical engineering processes, material storage, etc., and the volatile gas in the use process of various organic solvents. Higher concentrations of VOCs not only cause air pollution such as haze, greenhouse effect, acid rain, etc., but also cause irreversible serious injury to human bodies. Therefore, many countries have controlled the emission of VOCs by legislation, and actively explore and develop effective abatement techniques.
Currently, the VOC treatment technologies commonly used include combustion, adsorption, absorption, condensation, membrane separation, biological, photocatalytic, plasma, etc., among which the biological method has attracted much attention as a new technology and is one of the exhaust gas treatment methods that have been developed rapidly in recent years.
The biological method is a method for converting VOC in the waste gas into simple inorganic matters by using the life activities of microorganisms, is suitable for treating the VOC waste gas with low concentration and large gas amount, and can obtain lower VOC emission concentration by combining the biological method with other technologies (such as a photocatalytic method) because the actually discharged waste gas amount and concentration have uncertainty although the biological method obtains higher effect.
Disclosure of Invention
The invention aims to provide an efficient waste gas treatment device, which can improve the VOC removal rate in the waste gas treatment process and can be used for treating industrial organic waste gas in a larger concentration range.
The invention also provides a matched treatment method of the waste gas treatment device.
The main technical scheme of the invention is as follows: an exhaust gas treatment device, comprising: the device comprises a reaction cavity A, a heat exchange sleeve, a gas distributor A, a demister, a flange, a reaction cavity B, a gas distributor B, an ultraviolet lamp and a catalyst loading frame.
The reaction chamber A is of a revolving body structure, the bottom of the reaction chamber A is provided with an end plate, the middle position of the reaction chamber A is provided with a liquid outlet for discharging waste liquid after reaction, a guide cylinder is arranged in the revolving body, and the upper part of the revolving body is provided with a demister; the heat exchange sleeve is of a revolving body structure, the diameter of the heat exchange sleeve is larger than that of the reaction cavity A, the heat exchange sleeve is arranged outside the reaction cavity and coaxial with the reaction cavity, and the side wall of the heat exchange sleeve is provided with an inlet and an outlet of a heat exchange medium; the gas distributor A is connected with the gas inlet and is of a multi-ring structure, so that the gas is uniformly distributed; the reaction chamber B is of a revolving body structure, and the bottom of the reaction chamber B is provided with a gas distributor B; the flange is used for connecting the reaction cavity A and the reaction cavity B, so that the reaction cavity B can be conveniently cleaned; the ultraviolet lamp is vertically arranged on the wall of the reaction chamber B and the central shaft through a bracket respectively; and the catalyst loading frames are uniformly distributed in the reaction cavity B and are used for loading the photocatalyst.
The invention provides an exhaust gas treatment method, which is characterized by comprising the following steps: putting a certain amount of microorganism suspension liquid with a catalytic action into the reaction cavity A and keeping a certain temperature; coating a certain amount of photocatalyst TiO on a catalyst loading frame of a reaction chamber B 2 And turning on the ultraviolet lamp; organic waste gas containing VOCs with certain concentration is introduced into the device from the gas inlet at a certain flow rate, uniformly enters the reaction cavity A through the gas distributor A, and performs primary purification action with the microorganism suspension under the back mixing action of the guide cylinder; removing foams from the primary purified waste gas through a foam remover, uniformly entering a reaction cavity B through a gas distributor B, and irradiating with ultraviolet light and TiO 2 Secondary purification is carried out under catalysis; discharging the waste gas after the secondary purification from an exhaust port and detecting; turning off the ultraviolet lamp, and discharging the suspension from a sewage discharge outlet for treatment; the reaction chamber is cleaned for reuse.
Further, in the waste gas treatment method, the pH value of the microorganism suspension liquid in the reaction cavity A is 6.0-8.0.
Furthermore, in the waste gas treatment method, the reaction temperature in the reaction cavity A is maintained between 15 and 50 ℃.
Further, in the waste gas treatment method, the intensity of ultraviolet light in the reaction cavity B is 0.05-5 mW/cm 2 In between.
Furthermore, the content of VOCs in the organic waste gas in the waste gas treatment method is 0.01-10 g/m 3 In the meantime.
Furthermore, in the waste gas treatment method, the flow of the organic waste gas introduced into the device is 60-360 RV/h, wherein RV represents the volume of the device.
Furthermore, in the waste gas treatment method, the organic waste gas is purified by a biological method and a photocatalytic method in two stages, and the two methods can be selected and used together or used independently according to the discharge amount and the type of the waste gas.
The high-efficiency waste gas treatment method and the device thereof combine a biological method and a photocatalytic method to treat waste gas, have the characteristics of simple operation, wide removal range and high removal rate, and solve the defects of low treatment capacity, high energy consumption, low removal rate and serious secondary pollution of the common waste gas treatment method.
Drawings
Fig. 1 is a schematic structural view of a high-efficiency exhaust gas treatment device according to an embodiment of the present invention.
In the figure, 1-a sewage draining outlet; 2-an air inlet; 3-gas distributor a; 4-heat exchange sleeve; 5-a segmented draft tube; 6-reaction chamber A; 7-a demister; 8-a flange; 9-gas distributor B; 10-an ultraviolet lamp; 11-catalyst carrier; 12-reaction chamber B; 13-exhaust port.
Detailed Description
The present invention is described in detail by the following examples, which should not be construed as limiting the scope of the invention.
Example 1
The device shown in FIG. 1 is used for treating toluene waste gas, wherein the content of VOCs in the waste gas is 10g/m 3 (ii) a The length-diameter ratio of the reaction cavity A is 1.5, the segmented guide shell can be 3 segments, the diameter ratio of the guide shell to the reaction cavity A is 0.8, and the length diameter of the reaction cavity B is 1. The reaction cavity A is filled with microorganism suspension liquid with the pH value of 7, and the catalyst loading frame is coated with catalyst TiO 2 The heat exchange sleeve is a constant temperature water bath with the temperature of 30 ℃; the intensity of the ultraviolet light in the reaction cavity B is 0.1mW/cm 2 . Organic waste gas enters a reaction cavity A through an air inlet 2 and a gas distributor A at a flow rate of 300RV/h for primary purification, and waste gas after primary purification enters a reaction cavity B through a demister and a gas distributor B for secondary purificationThe purified gas is purged and exhausted through the exhaust port 13. The result shows that the removal rate of the toluene after biological treatment and photocatalytic treatment reaches 93 percent.
Example 2
The device shown in the figure 1 is adopted for treating the xylene waste gas, wherein the content of VOCs in the waste gas is 1g/m 3 (ii) a The length-diameter ratio of the reaction cavity A is 2, the segmented guide shell can be 5 segments, the diameter ratio of the guide shell to the reaction cavity A is 0.8, and the length-diameter ratio of the reaction cavity B is 3. The reaction cavity A is filled with microorganism suspension liquid with the pH value of 8, and the catalyst loading frame is coated with catalyst TiO 2 The heat exchange sleeve is a constant temperature water bath with the temperature of 35 ℃; the intensity of the ultraviolet light in the reaction cavity B is 1mW/cm 2 . Organic waste gas enters a reaction cavity A through an air inlet 2 and a gas distributor A at a flow rate of 120RV/h for primary purification, the waste gas after primary purification enters a reaction cavity B through a demister and a gas distributor B for secondary purification, and the purified gas is exhausted through an exhaust port 13. The result shows that the removal rate of the toluene after biological treatment and photocatalytic treatment reaches 95 percent.
Example 3
The device shown in the figure 1 is adopted for treating the mixed waste gas of toluene and xylene, wherein the content of VOCs in the waste gas is 0.5g/m 3 (ii) a The length-diameter ratio of the reaction cavity A is 3, the segmented guide shell can be 3 segments, the diameter ratio of the guide shell to the reaction cavity A is 0.6, and the length-diameter ratio of the reaction cavity B is 3. The reaction cavity A is filled with microorganism suspension liquid with the pH value of 6, and the catalyst loading frame is coated with catalyst TiO 2 The heat exchange sleeve is a constant temperature water bath with the temperature of 40 ℃; the intensity of the ultraviolet light in the reaction cavity B is 3mW/cm 2 . Organic waste gas enters a reaction cavity A through an air inlet 2 and a gas distributor A at a flow rate of 180RV/h for primary purification, the waste gas after the primary purification enters a reaction cavity B through a demister and a gas distributor B for secondary purification, and the purified gas is exhausted through an exhaust port 13. The results show that the removal rate of dimethylbenzene after biological treatment and photocatalytic treatment reaches 95 percent.
Example 4
The apparatus shown in FIG. 1 was used for the treatment of styrene off-gas, in which the content of VOCs in the off-gas was 0.1g/m 3 (ii) a Major axis of reaction chamber AThe ratio is 4, the sectional guide shell can be 4 sections, the diameter ratio of the guide shell to the reaction cavity A is 0.7, and the length-diameter ratio of the reaction cavity B is 2. The reaction cavity A is filled with microorganism suspension liquid with the pH value of 8, and the catalyst loading frame is coated with catalyst TiO 2 The heat exchange sleeve is a constant-temperature water bath with the temperature of 25 ℃; the intensity of the ultraviolet light in the reaction cavity B is 5mW/cm 2 . Organic waste gas enters a reaction cavity A for primary purification through an air inlet 2 and a gas distributor A at the flow rate of 100RV/h, waste gas after primary purification enters a reaction cavity B for secondary purification through a demister and a gas distributor B, and purified gas is exhausted through an exhaust port 13. The result shows that the removal rate of the styrene after biological treatment and photocatalytic treatment reaches 96 percent.
Example 5
The device shown in FIG. 1 is used for treating the mixed waste gas of toluene and styrene, wherein the content of VOCs in the waste gas is 0.05g/m 3 (ii) a The length-diameter ratio of the reaction cavity A is 4, the segmented guide shell can be 4 segments, the diameter ratio of the guide shell to the reaction cavity A is 0.7, and the length-diameter ratio of the reaction cavity B is 3. The reaction cavity A is filled with microorganism suspension with the pH value of 7, and the catalyst loading frame is fully coated with catalyst TiO 2 The heat exchange sleeve is a constant temperature water bath with the temperature of 50 ℃; the intensity of the ultraviolet light in the reaction cavity B is 0.5mW/cm 2 . Organic waste gas enters a reaction cavity A through an air inlet 2 and a gas distributor A at a flow rate of 240RV/h for primary purification, waste gas after primary purification enters a reaction cavity B through a demister and a gas distributor B for secondary purification, and purified gas is exhausted through an exhaust port 13. The result shows that the VOC removal rate after biological treatment and photocatalytic treatment reaches 94.8 percent.
Example 6
The device shown in the figure 1 is adopted for treating mixed waste gas of dimethylbenzene and styrene, wherein the content of VOCs in the waste gas is 0.01g/m 3 (ii) a The length-diameter ratio of the reaction cavity A is 2, the segmented guide shell can be 3 segments, the diameter ratio of the guide shell to the reaction cavity A is 0.8, and the length-diameter ratio of the reaction cavity B is 2. The reaction cavity A is filled with microorganism suspension with the pH value of 6, and the catalyst loading frame is fully coated with catalyst TiO 2 The heat exchange sleeve is a constant-temperature water bath with the temperature of 15 ℃; the intensity of the ultraviolet light in the reaction cavity B is 0.05mW/cm 2 . Organic waste gas enters a reaction cavity A through an air inlet 2 and a gas distributor A at a flow speed of 360RV/h for primary purification, waste gas after primary purification enters a reaction cavity B through a demister and a gas distributor B for secondary purification, and purified gas is exhausted through an exhaust port 13. The result shows that the VOC removal rate after biological treatment and photocatalytic treatment reaches 92 percent.
Example 7
The device shown in FIG. 1 is used for treating the mixed waste gas of toluene, xylene and styrene, wherein the content of VOCs in the waste gas is 3g/m 3 (ii) a The length-diameter ratio of the reaction cavity A is 3, the segmental guide shell can be 5 segments, the diameter ratio of the guide shell to the reaction cavity A is 0.8, and the length-diameter ratio of the reaction cavity B is 2. The reaction cavity A is filled with microorganism suspension liquid with the pH value of 7, and the catalyst loading frame is coated with catalyst TiO 2 The heat exchange sleeve is a constant-temperature water bath with the temperature of 45 ℃; the intensity of the ultraviolet light in the reaction cavity B is 4mW/cm 2 . Organic waste gas enters a reaction cavity A through an air inlet 2 and a gas distributor A at a flow rate of 60RV/h for primary purification, waste gas after primary purification enters a reaction cavity B through a demister and a gas distributor B for secondary purification, and purified gas is exhausted through an exhaust port 13. The result shows that the VOC removal rate after biological treatment and photocatalytic treatment reaches 97 percent.
Claims (7)
1. An exhaust gas treatment device, the structure of which comprises: the reaction chamber A is of a revolving body structure, an end plate is arranged at the bottom of the reaction chamber A, a liquid outlet is arranged in the middle of the reaction chamber A, a guide cylinder is arranged in the revolving body, and a demister is arranged at the upper part of the revolving body; the heat exchange sleeve is characterized in that the heat exchange sleeve main body is of a rotary body structure, the diameter of the heat exchange sleeve main body is larger than that of the reaction cavity A, the heat exchange sleeve main body is arranged outside the reaction cavity and coaxial with the reaction cavity, and the side wall of the heat exchange sleeve is provided with an inlet and an outlet of a heat exchange medium; the gas distributor A is connected with the gas inlet and is of a multi-ring structure; the reaction chamber B is of a revolving body structure, and the bottom of the reaction chamber B is provided with a gas distributor B; the reaction cavity A and the reaction cavity B are connected through a flange; the ultraviolet lamps are respectively and vertically arranged on the wall of the reaction cavity B and the central shaft through a bracket; catalyst carrier, said catalyst carrierThe carrier is uniformly distributed in the reaction cavity B and is used for loading photocatalyst TiO 2 (ii) a The device is characterized in that the guide shell is of a segmented structure; the length-diameter ratio of the reaction cavity A is 1.5, the segmented guide shell is 3, the diameter ratio of the guide shell to the reaction cavity A is 0.8, and the length-diameter ratio of the reaction cavity B is 1; or the length-diameter ratio of the reaction cavity A is 2, the sectional guide shell is 5, the diameter ratio of the guide shell to the reaction cavity A is 0.8, and the length-diameter ratio of the reaction cavity B is 3; or the length-diameter ratio of the reaction cavity A is 3, the segmented guide shell is 3, the diameter ratio of the guide shell to the reaction cavity A is 0.6, and the length-diameter ratio of the reaction cavity B is 3; or the length-diameter ratio of the reaction cavity A is 4, the segmented guide shell is 4, the diameter ratio of the guide shell to the reaction cavity A is 0.7, and the length-diameter ratio of the reaction cavity B is 2; or the length-diameter ratio of the reaction cavity A is 4, the segmented guide shell is 4, the diameter ratio of the guide shell to the reaction cavity A is 0.7, and the length-diameter ratio of the reaction cavity B is 3; or the length-diameter ratio of the reaction cavity A is 2, the segmented guide shell is 3, the diameter ratio of the guide shell to the reaction cavity A is 0.8, and the length-diameter ratio of the reaction cavity B is 2; or the length-diameter ratio of the reaction cavity A is 3, the segmented guide shell is 5, the diameter ratio of the guide shell to the reaction cavity A is 0.8, and the length-diameter ratio of the reaction cavity B is 2.
2. A method for treating exhaust gas using the apparatus of claim 1, comprising the steps of: putting a microorganism suspension liquid with a catalytic action into the reaction cavity A; coating photocatalyst TiO on a catalyst loading frame of a reaction cavity B 2 And turning on the ultraviolet lamp; organic waste gas containing VOCs is introduced into the device from the gas inlet, uniformly enters the reaction cavity A through the gas distributor A, and performs primary purification action with the microorganism suspension under the back mixing action of the guide cylinder; removing foams from the primary purified waste gas through a foam remover, uniformly entering a reaction cavity B through a gas distributor B, and irradiating with ultraviolet light and TiO 2 Secondary purification is carried out under catalysis; discharging the waste gas after the secondary purification from an exhaust port and detecting; turning off the ultraviolet lamp, and discharging the suspension from a sewage discharge outlet for treatment; the reaction chamber is cleaned for reuse.
3. The exhaust gas treatment method according to claim 2, wherein the pH value of the microorganism suspension in the reaction chamber A is between 6.0 and 8.0.
4. The exhaust gas treatment method according to claim 2, wherein the reaction temperature in the reaction chamber a is maintained between 15 ℃ and 50 ℃.
5. The exhaust gas treatment method according to claim 2, wherein the intensity of the ultraviolet light in the reaction chamber B is 0.05 to 5mW/cm 2 In the meantime.
6. The exhaust gas treatment method according to claim 2, wherein the content of VOCs in the organic exhaust gas is 0.01 to 10g/m 3 In between.
7. The exhaust gas treatment method according to claim 2, wherein the flow rate of the organic exhaust gas introduced into the device is 60-360 RV/h, wherein RV represents the volume of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738433.5A CN110681258B (en) | 2018-07-06 | 2018-07-06 | Waste gas treatment device and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738433.5A CN110681258B (en) | 2018-07-06 | 2018-07-06 | Waste gas treatment device and treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110681258A CN110681258A (en) | 2020-01-14 |
| CN110681258B true CN110681258B (en) | 2022-08-30 |
Family
ID=69107523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810738433.5A Active CN110681258B (en) | 2018-07-06 | 2018-07-06 | Waste gas treatment device and treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110681258B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700468B (en) * | 2009-12-02 | 2011-09-21 | 天津大学 | Apparatus and method of airlift three-phase loop bio-reactor for purifying toluene waste gas |
| CN102008930A (en) * | 2010-11-12 | 2011-04-13 | 同济大学 | Photo-biological reaction device for removing carbon dioxide from flue gas |
| CN104826432B (en) * | 2015-04-13 | 2016-07-20 | 浙江理工大学 | A kind of composite air purification method |
| CN105617832A (en) * | 2016-01-07 | 2016-06-01 | 苏州市馨然环境科技有限公司 | High-pressure implantable waste gas purification apparatus |
| CN106268291A (en) * | 2016-11-03 | 2017-01-04 | 南京工业大学 | Filter tower device and the method for biological desulphurization deodorization are dripped in a kind of biological desulphurization deodorization |
| CN106943872B (en) * | 2017-03-13 | 2020-05-15 | 青净光能科技股份有限公司 | Fluid purification device |
| CN208660823U (en) * | 2018-07-06 | 2019-03-29 | 中国石油化工股份有限公司 | A kind of emission-control equipment |
-
2018
- 2018-07-06 CN CN201810738433.5A patent/CN110681258B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110681258A (en) | 2020-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104258726B (en) | A kind of device of photocatalysis treatment volatile organic matter | |
| CN105056743A (en) | VOCs waste gas treatment method and device | |
| CN108744947A (en) | A kind of new membrane bio-trickling filter processing organic exhaust gas method | |
| CN110540285A (en) | Heterogeneous ozone catalysis and micro-nano bubble combined sewage treatment method | |
| CN110975560A (en) | VOCs waste gas purification treatment method and device | |
| CN111760452A (en) | Experimental device for testing performance of photocatalytic ozone synergistic catalytic degradation of volatile organic gas and operation process thereof | |
| CN105056721A (en) | Novel waste rubber desulphurization waste gas three-stage energy-saving green treatment process method | |
| CN103127811B (en) | Stinking gas treatment method | |
| CN2808275Y (en) | Offensive odor treatment device | |
| CN207786305U (en) | A kind of tail gas photooxidation cracking treating device using oil gas purification techniques | |
| CN107051195B (en) | Organic waste gas partition oxidation cyclone purification method and device | |
| CN106044934B (en) | The method and apparatus of photocatalyst of titanium dioxide degradation high ammonia-nitrogen wastewater | |
| CN109126421A (en) | A kind of system and its workflow handling high concentration VOCs gas | |
| CN205796920U (en) | A kind of two sections of bioanalysises and the symphyogenetic emission-control equipment of photocatalytic method | |
| CN110681258B (en) | Waste gas treatment device and treatment method | |
| CN205073862U (en) | VOCs exhaust treatment device | |
| CN107081036B (en) | Ultraviolet activated ozone oxidation VOCs dust removal purification device and method | |
| CN207786253U (en) | A kind of tail gas photooxidation cracker using cavitation liquid technology | |
| CN110252127A (en) | A kind of petrochemical industry exhaust treatment system | |
| CN213231883U (en) | Device for treating wastewater based on physical adsorption coupling photo-Fenton oxidation technology | |
| CN208660823U (en) | A kind of emission-control equipment | |
| CN214182369U (en) | Color-coated organic waste gas treatment device | |
| CN112933918A (en) | Multistage gas-liquid two-phase dielectric barrier discharge waste gas treatment system and method | |
| CN209451623U (en) | A kind of high tower exhaust treatment system | |
| CN103319055B (en) | Processing device for removing phenol and naphthalene in sewage and method thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |