CN107555579B - Stirring Fenton reactor - Google Patents
Stirring Fenton reactor Download PDFInfo
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- CN107555579B CN107555579B CN201710966968.3A CN201710966968A CN107555579B CN 107555579 B CN107555579 B CN 107555579B CN 201710966968 A CN201710966968 A CN 201710966968A CN 107555579 B CN107555579 B CN 107555579B
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- 238000003756 stirring Methods 0.000 title claims abstract description 65
- 238000006243 chemical reaction Methods 0.000 claims abstract description 149
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000005243 fluidization Methods 0.000 claims abstract description 38
- 239000010865 sewage Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 abstract description 45
- 239000002245 particle Substances 0.000 abstract description 43
- 238000009826 distribution Methods 0.000 abstract description 23
- 239000003814 drug Substances 0.000 abstract description 19
- 238000004065 wastewater treatment Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010907 mechanical stirring Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Treatment Of Water By Oxidation Or Reduction (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention provides a stirring Fenton reactor which comprises a primary mixing reaction tank, a secondary mixing reaction tank and a fluidization reaction tank, wherein the primary mixing reaction tank is connected with a water inlet, the secondary mixing reaction tank is positioned above the primary mixing reaction tank, the fluidization reaction tank is positioned above the secondary mixing reaction tank and is connected with a water outlet weir, a first stirring device for mixing and stirring is arranged in the primary mixing reaction tank, and a second stirring device for mixing and lifting water flow upwards is arranged in the secondary mixing reaction tank. The mixing and the reaction of the wastewater, the medicament and the active particles are realized through the stirring device, so that an external circulation system and a water distribution device are not needed, and the technical problems of uneven water distribution, easy blockage and the like in the traditional Fenton fluidized reactor are fundamentally solved. The invention obviously improves the treatment capacity and the treatment efficiency of the Fenton reactor through the combined use of a plurality of stirring devices, and can realize larger wastewater treatment capacity in a smaller space.
Description
Technical Field
The invention belongs to the field of wastewater treatment, and particularly relates to a stirring Fenton reactor.
Background
As environmental requirements become more stringent, so too does the requirements for industrial wastewater treatment. Fenton's reactor is an important device for wastewater treatment and plays an important role in industrial wastewater treatment.
The Fenton reactor uses ferrous ions as a catalyst to catalyze hydrogen peroxide to generate hydroxyl free radicals with super-strong oxidability, so that most of organic matters in the wastewater can be oxidized indiscriminately, and the wastewater can be used for treating a plurality of refractory wastewater. The active particles are added in the Fenton reactor, so that iron mud generated in the Fenton reaction can be crystallized on the surface of the filler, on one hand, the iron mud generation amount of the reaction is reduced, and on the other hand, heterogeneous catalytic reaction sites are provided for the Fenton reaction, the utilization efficiency of the catalyst is improved, and the wastewater treatment cost is reduced.
In wastewater treatment in a Fenton reactor, it is generally desirable that the wastewater, the agent and the active particles be thoroughly mixed in contact with each other. The more uniform the mixing, the higher the treatment efficiency and the more stable the operation. At present, the traditional Fenton reactor generally realizes the uniform distribution of wastewater and medicament in the reactor by arranging a water distribution device. And the fluidization of active particles in the reactor is realized through an external circulation system, so that the full contact of wastewater, medicaments and active particles is realized, and the wastewater treatment effect is improved. However, in practical engineering, the conventional Fenton reactor has the following problems: 1) Because the wastewater generally enters from the side surface of the reactor, the uniform distribution of the water flow in the reactor is difficult to realize only by the water distribution device, and phenomena such as short flow, channeling, dead zone and the like are easy to occur; 2) Due to the existence of external circulation, the floccules gradually block the circulation pipeline and the water distribution device in the circulation process; 3) In the running process of the reactor, the reactivity of the active particles is continuously reduced, and the treatment efficiency is affected; 4) The wastewater treatment capacity of the conventional Fenton reactor is limited due to the occupied area and the energy consumption.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a stirring Fenton reactor so as to solve the problems of uneven water distribution, easy blockage of the reactor, limited wastewater treatment capacity and the like of the existing Fenton reactor.
To achieve the above object and other related objects, the present invention provides the following technical solutions:
the utility model provides a stirring formula Fenton reactor, the reactor includes a mixing reaction tank, secondary mixing reaction tank and fluidization reaction tank, the water inlet is connected to a mixing reaction tank, the secondary mixing reaction tank is located a mixing reaction tank top, and the fluidization reaction tank is located a secondary mixing reaction tank top and connects the play water weir, be provided with the first agitating unit that is used for mixing stirring in the mixing reaction tank of once, be provided with the second agitating unit that is used for mixing and upwards promote rivers in the secondary mixing reaction tank.
The invention realizes the mixing and reaction of the wastewater, the medicament and the active particles through the stirring device, so that an external circulation system and a water distribution device of impurities are not needed, and the technical problems of uneven water distribution, easy blockage and the like of the traditional Fenton fluidized reactor are fundamentally solved.
The invention can adjust the flow distribution of the wastewater in the primary mixing reaction tank, the secondary mixing reaction tank and the fluidization height of active particles according to the process requirements by combining a plurality of stirring devices, so that most of the wastewater circularly flows and reacts in the primary mixing reaction tank, a proper amount of wastewater circularly flows and reacts in the secondary mixing reaction tank, a small amount of wastewater fluidizes and reacts in the fluidization reaction tank, the space and time of wastewater reaction are effectively increased, the treatment capacity and the treatment efficiency of the Fenton reactor are obviously improved, and the larger wastewater treatment capacity can be realized in a smaller space.
Further, the rotation axis is installed to the reactor bottom, be provided with two deck at least stirring rake along vertical direction on the rotation axis, the stirring rake that is located the rotation axis lower part forms first agitating unit, and the stirring rake that is located the rotation axis upper portion forms second agitating unit.
The first stirring device and the second stirring device are provided with the same rotating shaft, so that the installation and the driving are convenient. The stirring paddle at the lower part is mainly used for uniformly stirring so as to promote the uniform mixing and reaction of the wastewater, the medicament and the active particles in the reactor, and the stirring paddle at the upper part is mainly used for changing the rising speed of water flow on the basis of uniform mixing so as to control the fluidization height of the active particles. The first stirring device and the second stirring device may have different mounting angles of the stirring paddles according to different actions.
Further, the rotating shaft is of a hollow structure, and a plurality of air holes are formed in the side wall of the rotating shaft. The rotating shaft adopts a hollow design, holes are formed in the designated position of the rotating shaft, gas is input through the rotating shaft, and the mixing intensity of wastewater, medicaments and active particles in the reactor is promoted.
Further, the center of the bottom of the reactor is raised to form a boss higher than the periphery, and the rotating shaft is arranged on the boss and a sealing device is arranged between the rotating shaft and the bottom of the reactor.
Further, a guide cylinder is arranged in the secondary mixing reaction tank and is positioned above the second stirring device. The circulation flow field can be formed in the reaction tank through the second stirring device and the guide cylinder, so that the mixing strength of the wastewater, the medicament and the active particles in the reactor is enhanced.
Further, the guide cylinder is a circular cylinder, and the diameter of the guide cylinder is smaller than that of the fluidization reaction tank. The diameter of the catalyst is slightly smaller than that of the fluidization reaction tank, so that more active particles are promoted to enter the fluidization reaction tank and react.
Further, the primary mixing reaction tank is of a circular structure, the diameter of the primary mixing reaction tank is larger than that of the fluidization reaction tank, the upper part of the secondary mixing reaction tank is of a conical structure, and the lower part of the secondary mixing reaction tank is of a circular structure with the same diameter as that of the upper part of the primary mixing reaction tank.
Further, the diameter of the second stirring device in the secondary mixing reaction tank is larger than that of the fluidization reaction tank. Is larger than the diameter of the fluidization reaction tank, and enhances the uniformity degree of active particles and water flow entering the fluidization reaction tank.
Further, the primary mixing reaction tank and the secondary mixing reaction tank are respectively provided with a feed inlet, and the bottom of the primary mixing reaction tank is provided with a drain outlet.
The flocculate and the active particles are regularly discharged through the sewage outlet, and a proper amount of active particles are supplemented and updated through the charging opening according to the concentration distribution condition of the wastewater in the reactor, so that the efficient continuous operation of the reactor is realized, the active particles in the reactor are ensured to have enough reaction activity, and the problem that the activity of the particles is gradually reduced along with the increase of the operation time of the reactor is effectively avoided.
Further, the charging port is arranged at the upper middle part of the primary mixing reaction tank and the secondary mixing reaction tank, and the sewage draining port is of a conical structure.
The invention has the beneficial effects that:
the device disclosed by the invention mainly realizes uniform mixing and reaction of wastewater, medicaments and active particles by inputting gas through the stirring device and the rotating shaft, so that a complex water distribution structure and an external circulation system are not needed, and the technical problems that the water distribution is uneven, the water distribution structure and the external circulation pipeline are easy to block and the like in the traditional Fenton fluidized bed reactor are fundamentally solved.
The device of the invention discharges flocculate and active particles periodically through the sewage outlet, and supplements and updates a proper amount of active particles through the feed inlet according to the concentration distribution condition of wastewater in the reactor, thereby realizing the efficient continuous operation of the reactor, ensuring that the active particles in the reactor have enough reaction activity, and effectively avoiding the problem that the activity of the particles gradually decreases along with the increase of the operation time of the reactor.
The device can adjust the flow distribution of the wastewater in the primary mixing reaction tank, the secondary mixing reaction tank and the fluidization height of active particles according to the process requirements by combining a plurality of stirring devices, so that most of the wastewater circularly flows and reacts in the primary mixing reaction tank, a proper amount of wastewater enters the secondary mixing reaction tank to circularly flow and react, a small amount of wastewater enters the fluidization reaction tank to fluidize and react, the space and time of wastewater reaction are effectively increased, the treatment capacity and the treatment efficiency of the Fenton reactor are obviously improved, and the larger wastewater treatment capacity can be realized in a smaller space.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.
Description of the part reference numerals
1-a water inlet; 2-a medicine adding port; 3-uniformly mixing the reaction tank for one time; 4-a first stirring device; 5-a medicine adding port; 6, a charging port; 7, a sewage outlet; 8-a secondary mixing reaction tank; 9-a second stirring device; 10-a guide cylinder; 11-a charging port; 12-a rotation axis; 13-a sealing device; 14-a fluidization reaction tank; 15-water outlet weir; 16-water outlet.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
Examples
As shown in fig. 1, a stirred Fenton reactor comprises a water inlet 1 for inputting wastewater into the reactor, a dosing port 2 for adding reaction agent into the reactor, a dosing port 5 for discharging treated clean water out of the reactor, an outlet weir 15 and a water outlet 16.
The key point is that the reactor also comprises a primary mixing reaction tank 3, a secondary mixing reaction tank 8 and a fluidization reaction tank 14 which are used as wastewater treatment reaction areas, wherein the lower part of the reactor forms the primary mixing reaction tank 3, the water inlet 1 and the medicine adding port are connected with the primary mixing reaction tank 3, the secondary mixing reaction tank 8 is positioned above the primary mixing reaction tank 3 and is communicated with the primary mixing reaction tank 3, the fluidization reaction tank 14 is positioned above the secondary mixing reaction tank 8, the lower end is connected with the secondary mixing reaction tank 8, and the upper end is connected with the water outlet weir 15, which is mainly used for the fluidization reaction of wastewater and active particles; simultaneously for settling the active particles, preventing the active particles from flowing out of the reactor from the water outlet 16; the water outlet weir 15 is connected to the water outlet 16. The primary mixing reaction tank 3 is internally provided with a first stirring device 4 for mixing and stirring, and the secondary mixing reaction tank 8 is internally provided with a second stirring device 9 for mixing and lifting water flow upwards.
The mixing and the reaction of the wastewater, the medicament and the active particles are realized through the stirring device, so that an external circulation system and a water distribution device are not needed, and the technical problems of uneven water distribution, easy blockage and the like in the traditional Fenton fluidized reactor are fundamentally solved.
Through the combined use of a plurality of stirring devices, the flow distribution of the wastewater in the primary mixing reaction tank 3, the secondary mixing reaction tank 8 and the fluidization reaction tank 14 and the fluidization height of active particles can be regulated according to the process requirements, so that most of the wastewater circularly flows and reacts in the primary mixing reaction tank 3, a proper amount of wastewater enters the secondary mixing reaction tank 8 to circularly flow and react, a small amount of wastewater enters the fluidization reaction tank 14 to fluidize and react, the space and time of wastewater reaction are effectively increased, the treatment capacity and the treatment efficiency of the Fenton reactor are obviously improved, and the larger wastewater treatment capacity can be realized in a smaller space.
The primary mixing reaction tank 3 is divided into two parts, the upper part is of a circular structure, and the diameter of the primary mixing reaction tank is larger than that of the fluidization reaction tank 14; the lower part is of a conical structure, and the center of the bottom is a convex platform.
As a further preference, for ease of installation and driving, the first stirring device 4 and the second stirring device 9 are provided on the same rotation shaft 12, wherein the first stirring device 4 is provided in the middle and lower part of the rotation shaft 12, and the second stirring device 9 is provided in the upper part of the rotation shaft 12.
Specifically, the boss that is higher than the periphery is formed to the protruding formation of primary mixing reaction tank 3 bottom center, and rotation axis 12 is vertical to be installed on this boss, is provided with multilayer mechanical stirring rake from top to bottom of rotation axis 12, and first agitating unit 4 comprises one or more mechanical stirring rake combination for realize the circulation flow of rivers in the reaction tank, make waste water, medicament, active particle intensive mixing and reaction, and control the rivers flow in secondary mixing reaction tank 8, make most waste water circulation flow in primary mixing reaction tank 3. A sealing device 13 is arranged between the rotating shaft 12 and the bottom of the primary mixing reaction tank 3 and is used for sealing when the stirring device is arranged.
Further, the rotating shaft 12 has a hollow structure, and the side surface thereof is perforated, so that gas can be introduced into the reactor through the rotating shaft 12, thereby enhancing the flow of water and promoting the uniform mixing intensity of wastewater, medicament and active particles in the reactor.
Wherein, the secondary mixing reaction tank 8 is divided into two parts, the upper part is of a conical structure, the lower part is of a circular structure, and the circular diameter is the same as that of the upper part of the primary mixing reaction tank 3. The second stirring device 9 is positioned in the middle of the secondary mixing reaction tank 8, and the second stirring device 9 is an axial-flow mechanical stirring paddle arranged at the upper part of the rotating shaft 12, and the diameter of the second stirring device is slightly larger than that of the fluidization reaction tank 14.
The first stirring device 4 is mainly used for uniformly stirring to promote the uniform mixing and reaction of the wastewater, the medicament and the active particles in the reactor, and the second stirring device 9 is also used for changing the rising speed of water flow on the basis of uniform mixing so as to control the fluidization height of the active particles. The first stirring device 4 and the second stirring device 9 are mounted at different angles depending on the effect.
Preferably, a guide cylinder 10 is disposed in the secondary mixing reaction tank 8, and the guide cylinder 10 is located above the second stirring device 9. The second stirring device 9 and the guide cylinder 10 can form a circulation flow field in the reaction tank, so that the mixing strength of wastewater, medicament and active particles in the reactor is enhanced. Meanwhile, by controlling the rotation speed of the second stirring device 9 by changing the rotation speed of the rotation shaft 12, the rising water flow velocity can be changed, thereby controlling the active particle fluidization height.
Specifically, the guide cylinder 10 is a circular cylinder, and the diameter of the guide cylinder is smaller than that of the fluidization reaction tank 14. In the stirring process of the stirring paddle, a circulation flow field can be automatically formed, and different circulation flow fields can be formed by different blade radiuses, installation angles and the like.
The embodiment also comprises a charging opening 6, a charging opening 11 and a drain outlet 7, wherein the charging opening 6 and the charging opening 11 are positioned at the middle upper part of the primary mixing reaction tank 3 and the secondary mixing reaction tank 8, and the drain outlet 7 is positioned at the lower part of the primary mixing reaction tank 3. The active particles required by the reaction are replenished and updated in the operation process of the reactor through the feed inlet 6 and the feed inlet 11, and flocculate and active particles in the reactor are discharged through the drain outlet 7, so that the Fenton reactor can realize continuous and stable operation and maintain high treatment efficiency.
Specifically, the number of the charging ports may be 2 or more. The sewage outlet 7 is positioned at the periphery of a boss at the bottom of the primary mixing reaction tank 3 and is lower than the boss, and adopts a conical structure; the medicine adding port 2, the medicine adding port 5, the feeding port 6, the feeding port 11 and the sewage outlet 7 are all provided with valves which can be opened and closed.
Different from the traditional Fenton fluidized bed reactor, the invention realizes the mixing and reaction of wastewater, medicament and active particles by inputting gas through the stirring device and the rotating shaft 12, so that a complex water distribution structure and an external circulation system are not needed any more, and the technical problems of uneven water distribution, easy blockage of the water distribution structure and the external circulation pipeline and the like of the traditional Fenton fluidized bed reactor are fundamentally solved. Meanwhile, the device of the invention periodically discharges flocculate and active particles through the sewage outlet 7, and supplements and updates a proper amount of active particles through the feed inlet 6 according to the concentration distribution condition of wastewater in the reactor, thereby realizing the efficient continuous operation of the reactor, ensuring that the active particles in the reactor have enough reaction activity, and effectively avoiding the problem that the activity of the particles gradually decreases along with the increase of the operation time of the reactor. In addition, the device can adjust the flow distribution of the wastewater in the primary mixing reaction tank 3, the secondary mixing reaction tank 8 and the fluidization reaction tank 14 and the fluidization height of active particles according to the process requirements through the combined use of a plurality of stirring devices, so that most of the wastewater circularly flows and reacts in the primary mixing reaction tank 3, a proper amount of wastewater enters the secondary mixing reaction tank 8 to circularly flow and react, a small amount of wastewater enters the fluidization reaction tank 14 to fluidize and react, the space and time of wastewater reaction are effectively increased, the treatment capacity and the treatment efficiency of the Fenton reactor are obviously improved, and the larger wastewater treatment capacity can be realized in a smaller space.
Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (9)
1. A stirred Fenton reactor, characterized in that: the reactor comprises a primary mixing reaction tank, a secondary mixing reaction tank and a fluidization reaction tank, wherein the lower part of the reactor forms the primary mixing reaction tank, the primary mixing reaction tank is connected with a water inlet, the secondary mixing reaction tank is positioned above the primary mixing reaction tank, the secondary mixing reaction tank is communicated with the primary mixing reaction tank, the fluidization reaction tank is positioned above the secondary mixing reaction tank and is connected with a water outlet weir, and the lower end of the fluidization reaction tank is connected with the secondary mixing reaction tank; a first stirring device for uniformly mixing and stirring is arranged in the primary uniformly mixing reaction tank, and a second stirring device for uniformly mixing and lifting water flow upwards is arranged in the secondary uniformly mixing reaction tank; the reactor bottom is installed the rotation axis, be provided with two deck at least stirring rake along vertical direction on the rotation axis, the stirring rake that is located the rotation axis lower part forms first agitating unit, and the stirring rake that is located the rotation axis upper portion forms second agitating unit.
2. A stirred Fenton reactor according to claim 1, characterized in that: the rotary shaft is of a hollow structure, and a plurality of air holes are formed in the side wall of the rotary shaft.
3. A stirred Fenton reactor according to claim 1, characterized in that: the center of the bottom of the reactor is raised to form a boss higher than the periphery, and the rotating shaft is arranged on the boss and a sealing device is arranged between the rotating shaft and the bottom of the reactor.
4. A stirred Fenton reactor according to any one of claims 1-3, characterized in that: a guide cylinder is arranged in the secondary mixing reaction tank and is positioned above the second stirring device.
5. A stirred Fenton reactor according to claim 4, wherein: the guide cylinder is a circular cylinder, and the diameter of the guide cylinder is smaller than that of the fluidization reaction tank.
6. A stirred Fenton reactor according to claim 1, characterized in that: the primary mixing reaction tank is of a circular structure, the diameter of the primary mixing reaction tank is larger than that of the fluidization reaction tank, the upper part of the secondary mixing reaction tank is of a conical structure, and the lower part of the secondary mixing reaction tank is of a circular structure with the same diameter as that of the upper part of the primary mixing reaction tank.
7. A stirred Fenton reactor according to claim 1, characterized in that: the diameter of the second stirring device in the secondary mixing reaction tank is larger than that of the fluidization reaction tank.
8. A stirred Fenton reactor according to claim 1, characterized in that: the primary mixing reaction tank and the secondary mixing reaction tank are respectively provided with a feed inlet, and the bottom of the primary mixing reaction tank is provided with a drain outlet.
9. A stirred Fenton reactor according to claim 8, characterized in that: the charging port is arranged at the upper middle part of the primary mixing reaction tank and the secondary mixing reaction tank, and the sewage outlet is of a conical structure.
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| CN201710966968.3A CN107555579B (en) | 2017-10-17 | 2017-10-17 | Stirring Fenton reactor |
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| CN201710966968.3A CN107555579B (en) | 2017-10-17 | 2017-10-17 | Stirring Fenton reactor |
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| CN107555579B true CN107555579B (en) | 2024-02-27 |
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| CN113371815A (en) * | 2021-07-20 | 2021-09-10 | 南京环保产业创新中心有限公司 | iron-series-Fenton degradation-resistant wastewater treatment reactor and method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0145467B1 (en) * | 1995-02-09 | 1998-07-15 | 박형재 | Method and apparatus for the treatment of dyeing waste water |
| CN202346816U (en) * | 2011-08-24 | 2012-07-25 | 轻工业环境保护研究所 | Three-phase reactor for Fenton reaction |
| CN103819034A (en) * | 2014-02-24 | 2014-05-28 | 华北电力大学 | System for restoring organically polluted groundwater through supersonic wave combined photo-Fenton oxidation, and method thereof |
| KR20150063801A (en) * | 2013-12-02 | 2015-06-10 | 주식회사 대미 | A water treatment apparatus using the floating media containing photo catalyst |
| CN207391089U (en) * | 2017-10-17 | 2018-05-22 | 中冶赛迪工程技术股份有限公司 | Stirring-type Fenton reactor |
-
2017
- 2017-10-17 CN CN201710966968.3A patent/CN107555579B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0145467B1 (en) * | 1995-02-09 | 1998-07-15 | 박형재 | Method and apparatus for the treatment of dyeing waste water |
| CN202346816U (en) * | 2011-08-24 | 2012-07-25 | 轻工业环境保护研究所 | Three-phase reactor for Fenton reaction |
| KR20150063801A (en) * | 2013-12-02 | 2015-06-10 | 주식회사 대미 | A water treatment apparatus using the floating media containing photo catalyst |
| CN103819034A (en) * | 2014-02-24 | 2014-05-28 | 华北电力大学 | System for restoring organically polluted groundwater through supersonic wave combined photo-Fenton oxidation, and method thereof |
| CN207391089U (en) * | 2017-10-17 | 2018-05-22 | 中冶赛迪工程技术股份有限公司 | Stirring-type Fenton reactor |
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