CN107243337B - Environment-friendly honeycomb active carbon regenerating unit - Google Patents
Environment-friendly honeycomb active carbon regenerating unit Download PDFInfo
- Publication number
- CN107243337B CN107243337B CN201710520258.8A CN201710520258A CN107243337B CN 107243337 B CN107243337 B CN 107243337B CN 201710520258 A CN201710520258 A CN 201710520258A CN 107243337 B CN107243337 B CN 107243337B
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- China
- Prior art keywords
- waste gas
- gas purification
- purification module
- module
- activated carbon
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910052799 carbon Inorganic materials 0.000 title description 5
- 230000001172 regenerating effect Effects 0.000 title description 3
- 239000002912 waste gas Substances 0.000 claims abstract description 62
- 238000000746 purification Methods 0.000 claims abstract description 45
- 239000007789 gas Substances 0.000 claims abstract description 41
- 238000007084 catalytic combustion reaction Methods 0.000 claims abstract description 19
- 230000008929 regeneration Effects 0.000 claims abstract description 9
- 238000011069 regeneration method Methods 0.000 claims abstract description 9
- 229920000742 Cotton Polymers 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 231100000331 toxic Toxicity 0.000 abstract description 7
- 230000002588 toxic effect Effects 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000010963 304 stainless steel Substances 0.000 description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 238000006864 oxidative decomposition reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003053 toxin Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000010718 Oxidation Activity Effects 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3416—Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention relates to an environment-friendly honeycomb activated carbon regeneration device. The high-temperature oven is communicated with the waste gas purification module, and the waste gas purification module is communicated with the exhaust module. The invention overcomes the defect that the existing honeycomb activated carbon can generate toxic and harmful gases in the regeneration process, and directly pollute the atmosphere if not treated. Aiming at the problem that the generated toxic and harmful gas is directly discharged into the atmosphere without being treated when the saturated honeycomb activated carbon is regenerated, the catalytic combustion method is adopted, so that the saturated honeycomb activated carbon is ensured to desorb the toxic and harmful gas, and the waste gas is purified and then discharged into the atmosphere.
Description
Technical Field
The invention relates to the field of resource treatment, recycling and reutilization, in particular to an environment-friendly honeycomb activated carbon regeneration device.
Background
In recent years, the atmosphere is seriously polluted, and honeycomb activated carbon is adopted in factories to adsorb organic substances in waste gas. As the adsorption process of the activated carbon in the exhaust gas proceeds, the more pollutants are deposited on the surface of the activated carbon, the adsorption performance of the activated carbon is gradually lost until the activated carbon does not have the adsorption capacity, and at the moment, the activated carbon is saturated. Once saturated, it needs to be replaced by new charcoal, and the activated charcoal with adsorbed harmful substances is either incinerated or discarded in a landfill, which may cause secondary pollution. It is obvious that this is not justified.
Before the method, the fully adsorbed honeycomb activated carbon is regenerated after being treated under certain conditions, so that the resource waste can be reduced, but the defect that the regenerated waste gas is directly discharged without being treated exists. Toxic and harmful gases can be generated in the regeneration process of the honeycomb activated carbon, if the honeycomb activated carbon is not treated, the pollution to the atmosphere is still directly caused, and the ecological environment of the surrounding area is seriously influenced.
Disclosure of Invention
The invention aims to overcome the defects and develop an environment-friendly honeycomb activated carbon regeneration device.
The technical scheme of the invention is as follows:
the utility model provides an environment-friendly honeycomb active carbon regenerating unit, its main technical characterized in that is high temperature oven, exhaust purification module, the module of airing exhaust from upwards in proper order down, and high temperature oven intercommunication exhaust purification module, exhaust purification module intercommunication module of airing exhaust.
And the waste gas collecting pipe in the high-temperature oven is communicated with a waste gas collecting chamber of the waste gas purification module.
The waste gas purification module includes support, waste gas collecting chamber, guide plate, shell and tube heat exchanger, temperature sensor, catalytic combustion bed, fire-retardant board, heat preservation cotton, the scaffold weldment runs through around the waste gas purification module in waste gas purification module bottom, the waste gas collecting chamber sets up in waste gas purification module left side, the guide plate sets up the upper left corner in waste gas purification module inside, shell and tube heat exchanger sets up inside waste gas purification module, temperature sensor sets up at the waste gas purification device middle part, the catalytic combustion bed sets up on the temperature sensor right side, the fire-retardant board sets up inside waste gas purification module, the heat preservation cotton sets up on waste gas purification module inner wall.
The exhaust module comprises a gas collecting hood, a gas collecting pipe, a centrifugal fan, a base and an exhaust pipe, wherein the gas collecting hood is fixed inside the waste gas purification device, one end of the centrifugal fan is connected with the gas collecting pipe, the other end of the centrifugal fan is connected with the exhaust pipe, and the base is fixed above the waste gas purification device.
The invention has the advantages and effects that aiming at the problem that the generated toxic and harmful gas is directly discharged into the atmosphere without being treated when the saturated honeycomb activated carbon is regenerated, the catalytic combustion method is adopted, and the waste gas is purified and discharged into the atmosphere while the saturated honeycomb activated carbon is ensured to desorb the toxic and harmful gas.
The device has the characteristics of simple and reasonable structure, easy processing, convenient use, no maintenance, good control effect, no secondary pollution and the like, thereby having good popularization and use values.
Other specific advantages and effects of the present invention will be described further below.
Drawings
FIG. 1 is a schematic diagram of the structural principle of the present invention.
FIG. 2-front view of the invention.
FIG. 3-left side view of the invention.
FIG. 4-top view of the invention.
In the drawings, each reference numeral indicates a corresponding component name as follows:
the device comprises a high-temperature oven 1, a waste gas purification module 2, an exhaust module 3, universal wheels 4, a honeycomb activated carbon fixing box 5, a chute 6, a waste gas collecting pipe 7, a touch display screen 8, a support 9, a waste gas collecting chamber 10, a guide plate 11, a tubular heat exchanger 12, a temperature sensor 13, a catalytic combustion bed 14, a fire retardant plate 15, heat preservation cotton 16, a gas collecting hood 17, a gas collecting pipe 18, a centrifugal fan 19, a base 20, an exhaust pipe 21 and an oven door 22.
Detailed Description
The technical idea of the invention is as follows:
the invention provides a regeneration device, and the regeneration device is combined with a high-temperature oven to form an environment-friendly honeycomb activated carbon regeneration device. The device uses PLC as control system, and under the effect of high temperature oven, saturated honeycomb active carbon constantly heaies up, reaches the uniform temperature after, and the desorption of absorbent organic waste gas comes out, and the waste gas of desorption out gets into the heat exchanger along with the air current, reentrant catalytic combustion room, and organic waste gas is by oxidation reaction turn into harmless carbon dioxide and water in catalytic combustion room, and the gaseous some heat after the reaction is discharged through the draught fan behind the heat exchanger.
The present invention will be specifically described below.
As shown in fig. 1-4, the present invention is composed of a high temperature oven 1, an exhaust gas purification module 2, an exhaust air module 3, etc. The high-temperature oven 1 is arranged at the lower part, the air exhaust module 3 is arranged at the upper part, and the waste gas purification module 2 is arranged between the high-temperature oven and the waste gas purification module.
The high-temperature oven 1 consists of universal wheels 4, a honeycomb activated carbon fixing box 5, a sliding groove 6, a waste gas collecting pipe 7, a touch display screen 8 and an oven door 22. The universal wheel 4 is 4 cun medium-sized high strength polyurethane universal wheels, fixes in 1 bottom of high temperature oven, totally 4. The honeycomb activated carbon fixing box 5 is made of 304 stainless steel, the front side, the rear side and the bottom are 304 stainless steel plates, the two sides are 304 stainless steel screen plates, and the honeycomb activated carbon fixing box is formed by welding 5 surfaces together. The sliding groove 6 is made of aluminum alloy and is used for supporting and fixing the honeycomb activated carbon fixing box 5. The waste gas collecting pipe 7 is a galvanized steel pipe of DN50, and collects toxic and harmful gases desorbed by the activated carbon. The touch display screen 8 is provided with a PLC control system, and the automatic normal operation of the device can be guaranteed. The oven door 22 is fixed on the front side of the oven and used for manually opening to take and place the active carbon.
The waste gas purification module 2 consists of a support 9, a waste gas collection chamber 10, a guide plate 11, a tubular heat exchanger 12, a temperature sensor 13, a catalytic combustion bed 14, a fire retardant plate 15 and heat insulation cotton 16. The support 9 is the I-steel of material Q235, and two total run through the front and back of exhaust gas purification module 2, weld in exhaust gas purification module 2 bottom. The waste gas collecting chamber 10 is connected with the waste gas collecting pipe 7 and the tube type heat exchanger 12, and the waste gas collecting chamber 10 buffers the flow speed of waste gas so that the waste gas can uniformly enter the tube type heat exchanger 12. The guide plate 11 is fixed inside the waste gas collecting chamber 10, changes the flow direction of waste gas and reduces the resistance. The tubular heat exchanger 12 is fixed inside the exhaust gas purification apparatus 2, and exhaust gas enters from the left side and is discharged from the right side of the tubular heat exchanger 12. The temperature sensor 13 is fixed between the tubular heat exchanger 12 and the catalytic combustion bed 14, and controls the on-off state of the fan through the PLC system and the signal output of 4-20 mA. The catalytic combustion bed 14 is fixed inside the exhaust gas purification module 2, exhaust gas enters from the left side of the catalytic combustion bed 14, and after the catalytic combustion bed is subjected to oxidative decomposition, five-toxic and harmless gas is discharged from the right side. The flame arrester 15 is fixed between the catalytic combustion bed 14 and the heat insulation cotton 16, which not only ensures the safety of the equipment, but also guides the gas flow direction. The heat preservation cotton 16 is fixed at the inner wall of the waste gas purification module 2, and heat loss is prevented.
The exhaust module 3 is composed of a gas collecting hood 17, a gas collecting pipe 18, a centrifugal fan 19, a base 20 and an exhaust pipe 21. The gas-collecting channel 11 is fixed on the inner side of the top of the waste gas purification module 2 and is positioned above the tubular heat exchanger 12. The gas collecting pipe 18 is fixed above the waste gas purification module 2 and is connected with a gas collecting hood 18 and an air inlet of a centrifugal fan 19. The centrifugal fan 19 is fixed on the base 20, and is connected with the gas collecting pipe 18 and the gas discharging pipe 21. The base 20 is fixed above the exhaust gas purification module 2 and is used for fixing the centrifugal fan 19. An exhaust pipe 21 is fixed to an outlet of the centrifugal fan 19 and leads to the outside.
The application process of the invention is briefly described as follows:
opening the oven door 22, placing the saturated honeycomb activated carbon in the honeycomb activated carbon fixing box 5, starting the device, starting the temperature rise in the high-temperature oven 1, and desorbing the waste gas from the saturated honeycomb activated carbon after reaching a certain temperature. The exhaust gas enters the exhaust gas collecting chamber 10 through the exhaust gas collecting pipe 7, and then the exhaust gas enters from the left side and is discharged from the right side of the tubular heat exchanger 12. The temperature sensor 13 is fixed between the tubular heat exchanger 12 and the catalytic combustion bed 14, and controls the on-off state of the fan through the PLC system and the signal output of 4-20 mA. The catalytic combustion bed 14 is fixed in the waste gas purification module 2, waste gas enters from the left side of the catalytic combustion bed 14, and the waste gas is oxidized at the temperature (200-400 ℃) below the ignition point to generate nontoxic CO by utilizing the deep catalytic oxidation activity of the catalyst2And H2And O, achieving the purpose of purification. The essence of catalytic combustion is a violent oxidation reaction in which active oxygen participates, the catalyst activates oxygen at low temperature to reduce the activation energy of the reaction, when the activated oxygen contacts with reactant molecules, energy transfer occurs, the reactant molecules are activated, so that combustible components can be subjected to combustion reaction below an ignition point, and simultaneously, the heat generated by combustion is utilized to accelerate the oxidation reaction in one step. After the catalytic combustion bed is subjected to oxidative decomposition, the five-toxin harmless gas is discharged from the right side and flows through the tubular heat exchanger 12, and after a part of heat is transferred to the tubular heat exchanger 12, the five-toxin harmless gas flows through the gas collecting pipe 18, the centrifugal fan 19 and the exhaust pipe 21 and is discharged into the atmosphere.
Claims (1)
1. An environment-friendly honeycomb activated carbon regeneration device is characterized by comprising a high-temperature oven, a waste gas purification module and an exhaust module from bottom to top in sequence, wherein the high-temperature oven is communicated with the waste gas purification module which is communicated with the exhaust module; the waste gas collecting pipe in the high-temperature oven is communicated with a waste gas collecting chamber of the waste gas purification module; the bracket of the waste gas purification module is welded at the bottom of the waste gas purification module and penetrates through the front and the back of the waste gas purification module, the waste gas collection chamber is arranged on the left side of the waste gas purification module, the guide plate is arranged at the upper left corner inside the waste gas purification module, the tubular heat exchanger is arranged inside the waste gas purification module, the temperature sensor is arranged in the middle of the waste gas purification device, the catalytic combustion bed is arranged on the right side of the temperature sensor, the fire-retardant plate is arranged inside the waste gas purification module, and the heat-insulating cotton is arranged on the inner; the gas collecting hood of the exhaust module is fixed inside the waste gas purification device, one end of the centrifugal fan is connected with the gas collecting pipe, the other end of the centrifugal fan is connected with the exhaust pipe, and the base is fixed above the waste gas purification device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710520258.8A CN107243337B (en) | 2017-06-26 | 2017-06-26 | Environment-friendly honeycomb active carbon regenerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710520258.8A CN107243337B (en) | 2017-06-26 | 2017-06-26 | Environment-friendly honeycomb active carbon regenerating unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107243337A CN107243337A (en) | 2017-10-13 |
| CN107243337B true CN107243337B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710520258.8A Expired - Fee Related CN107243337B (en) | 2017-06-26 | 2017-06-26 | Environment-friendly honeycomb active carbon regenerating unit |
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| Country | Link |
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| CN (1) | CN107243337B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694602B (en) * | 2019-10-25 | 2022-11-15 | 航天凯天环保科技股份有限公司 | Adsorbing material desorption regeneration system |
| CN113813940A (en) * | 2021-09-29 | 2021-12-21 | 江苏科仕达实验室环保科技有限公司 | Saturated activated carbon activation regeneration treatment process and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2737462Y (en) * | 2004-09-27 | 2005-11-02 | 东莞市南方通用电气有限公司 | Efficient energy-saving active carbon catalytic regenerating apparatus |
| CN103120889A (en) * | 2011-11-18 | 2013-05-29 | 郑承煜 | Waste gas catalytic combustion and biological purification device |
| CN105214632A (en) * | 2015-09-29 | 2016-01-06 | 安徽绿雅环境工程有限公司 | The full-automatic desorption and regeneration device of charcoal absorption on-line monitoring for VOCs treatment |
| CN105546556A (en) * | 2014-10-31 | 2016-05-04 | 朱振新 | Waste gas catalytic combustion purification device |
| CN205815723U (en) * | 2016-06-14 | 2016-12-21 | 广州冉升环保工程有限公司 | A kind of regenerating active carbon system |
-
2017
- 2017-06-26 CN CN201710520258.8A patent/CN107243337B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2737462Y (en) * | 2004-09-27 | 2005-11-02 | 东莞市南方通用电气有限公司 | Efficient energy-saving active carbon catalytic regenerating apparatus |
| CN103120889A (en) * | 2011-11-18 | 2013-05-29 | 郑承煜 | Waste gas catalytic combustion and biological purification device |
| CN105546556A (en) * | 2014-10-31 | 2016-05-04 | 朱振新 | Waste gas catalytic combustion purification device |
| CN105214632A (en) * | 2015-09-29 | 2016-01-06 | 安徽绿雅环境工程有限公司 | The full-automatic desorption and regeneration device of charcoal absorption on-line monitoring for VOCs treatment |
| CN205815723U (en) * | 2016-06-14 | 2016-12-21 | 广州冉升环保工程有限公司 | A kind of regenerating active carbon system |
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| CN107243337A (en) | 2017-10-13 |
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