CN107555578B - Fenton reactor - Google Patents
Fenton reactor Download PDFInfo
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- CN107555578B CN107555578B CN201710964316.6A CN201710964316A CN107555578B CN 107555578 B CN107555578 B CN 107555578B CN 201710964316 A CN201710964316 A CN 201710964316A CN 107555578 B CN107555578 B CN 107555578B
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- active particles
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 165
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000002245 particle Substances 0.000 claims abstract description 69
- 238000005243 fluidization Methods 0.000 claims abstract description 39
- 238000001556 precipitation Methods 0.000 claims abstract description 25
- 238000004062 sedimentation Methods 0.000 claims description 33
- 239000010865 sewage Substances 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 abstract description 35
- 239000003814 drug Substances 0.000 abstract description 13
- 239000007789 gas Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 238000004065 wastewater treatment Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000002349 favourable effect Effects 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
- 230000035484 reaction time Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention provides a Fenton reactor which comprises a conveying reaction pipe, an outer circulation pipeline, a water inlet, a precipitation reaction tank, a fluidization reaction tank, a water outlet weir, a water outlet and an inner circulation device, wherein the outlet end of the conveying reaction pipe is connected with the upper middle part of the precipitation reaction tank, the position, close to the inlet end, of the lower part of the conveying reaction pipe is connected with the bottom of the precipitation reaction tank through the inner circulation device, the fluidization reaction tank is positioned above the precipitation reaction tank, and the outer circulation pipeline is connected with the fluidization reaction tank and the conveying reaction pipe. The conveying reaction pipe realizes uniform mixing and reaction of the wastewater, the medicament and the active particles, and the wastewater and the active particles are conveyed into the precipitation reaction tank at high speed. The fluidization reaction tank is used for fluidization reaction of wastewater and active particles and settling of the active particles, and prevents the active particles from entering an external circulation pipeline or flowing out of the reactor from a water outlet. The internal circulation device realizes the circulation flow of wastewater and active particles in the reactor, increases the reaction space and time, and improves the treatment efficiency of the Fenton reactor.
Description
Technical Field
The invention belongs to the field of wastewater treatment, and particularly relates to a Fenton reactor.
Background
Fenton fluidized bed is an important equipment for wastewater treatment and is extremely widely applied to industrial wastewater treatment. The Fenton fluidized bed adopts ferrous ions as a catalyst to catalyze hydrogen peroxide to generate hydroxyl free radicals with super-strong oxidability, and most of organic matters in the wastewater are oxidized indiscriminately, so that the Fenton fluidized bed is suitable for treating a plurality of refractory wastewater. The active particles are introduced into the Fenton fluidized bed reactor, and fluidized by wastewater, so that a Fenton fluidized bed is formed. Fenton's fluidized bed has its unique advantages over traditional Fenton's reaction. The active particles in the Fenton fluidized bed can crystallize iron mud generated in the Fenton reaction on the surface of the active particles, so that the iron mud generation amount of the reaction is reduced on one hand, heterogeneous catalytic reaction sites are provided for the Fenton reaction on the other hand, the utilization efficiency of the catalyst is improved, and the wastewater treatment cost is reduced.
When wastewater treatment is performed in the Fenton reactor, the treatment efficiency is affected by the mixing degree of wastewater, medicament and active particles. The more uniform the mixing, the higher the treatment efficiency and the more stable the operation. At present, the traditional Fenton fluidized bed reactor is generally provided with a water distribution device to realize fluidization of active particles, so as to promote uniform mixing of wastewater, medicaments and active particles. However, in engineering practice, the conventional Fenton fluidized bed reactor has the following problems: 1) The traditional Fenton fluidized bed reactor generally adopts side water inflow, even distribution of water flow in the reactor is difficult to realize by adopting a traditional water distribution device, phenomena such as short flow, channeling, dead zone and the like are easy to occur, and the mixing degree of wastewater, medicament and active particles is poor; 2) In the operation process of the Fenton reactor, the activity of the active particles is continuously reduced, and the treatment efficiency is affected; 3) When the active particles in the reactor are required to be replenished and updated, the reactor must be stopped, and the reactor cannot be continuously operated for a long period of time.
Disclosure of Invention
In view of the above-described drawbacks of the prior art, an object of the present invention is to provide a Fenton reactor having high wastewater treatment efficiency.
To achieve the above object and other related objects, the present invention provides the following technical solutions:
the Fenton reactor comprises a conveying reaction pipe, an outer circulation pipeline, a water inlet, a precipitation reaction tank, a fluidization reaction tank, a water outlet weir, a water outlet and an inner circulation device, wherein the outlet end of the conveying reaction pipe is connected with the upper part in the precipitation reaction tank, the position, close to the inlet end, of the lower part of the conveying reaction pipe is connected with the bottom of the precipitation reaction tank through the inner circulation device, the fluidization reaction tank is positioned above the precipitation reaction tank, and the outer circulation pipeline is connected with the fluidization reaction tank and the conveying reaction pipe.
The conveying reaction tube is used for realizing uniform mixing and reaction of the wastewater, the medicament and the active particles, and simultaneously conveying the wastewater and the active particles into the precipitation reaction tank at a high speed. The sedimentation reaction tank is used for sedimentation and reaction of active particles, and part of high-speed active particles are sent into the fluidization reaction tank by utilizing inertia. The fluidization reaction tank is positioned above the sedimentation reaction tank, and is used for fluidization reaction of wastewater and active particles, and simultaneously settling the active particles, so that the active particles are prevented from entering an external circulation pipeline or flowing out of the reactor from a water outlet. By adopting the internal circulation device, the circulating flow of the wastewater and the active particles in the reactor is realized, the reaction space and the reaction time are increased, and the treatment efficiency of the Fenton reactor is greatly improved.
Further, the internal circulation device comprises a connecting pipeline for connecting the conveying reaction pipe and the precipitation reaction tank, and a gas distribution plate arranged on the connecting pipeline and/or at the bottom of the precipitation reaction tank. The gas distribution plate distributes gas to promote the flow of wastewater and active particles to the conveying reaction tube.
Further, the connecting pipeline is provided with a valve, the connecting pipeline is obliquely arranged, one end connected with the conveying reaction pipe is higher than one end connected with the precipitation reaction tank, and the gas distribution plate is arranged at any one or more positions in the side face of the connecting pipeline, the bottom of the connecting pipeline and the bottom of the precipitation reaction tank. The two ends of the connecting pipeline are arranged in a high-low inclined way, and the circulating flow of the wastewater and the active particles is realized by utilizing the pressure difference and the gas distribution of the gas distribution plate.
Further, the top of the conveying reaction tube is provided with an exhaust hole. For discharging the gases from the reactor.
Further, the Fenton reactor further comprises a venturi tube and a water inlet chamber, the upper end of the venturi tube is connected with the inlet end of the conveying reaction tube, the lower end of the venturi tube is connected with the water inlet chamber, the outer circulation pipeline is connected with the fluidization reaction tank and the water inlet chamber, and the outer circulation pipeline is provided with a circulating water pump, a water inlet and a dosing port.
The water inlet chamber is used for storing wastewater added by the water inlet and circulating water pumped by the circulating water pump, so that flocculates and the like in the circulating water are settled in the water inlet chamber, and the flocculates are prevented from entering the venturi tube to cause blockage or influence on water distribution uniformity and the like. The venturi tube is respectively connected with the water inlet chamber and the conveying reaction tube and is used for realizing uniform water distribution. The mixing of wastewater, medicament and active particles is realized by high-speed conveying in the conveying reaction tube, and the problem of uneven mixing caused by the traditional water distribution structure is solved.
Further, be provided with the charge door on the transport reaction tube, the intake chamber bottom is provided with the blowdown structure that is favorable to the blowdown, and blowdown structure bottom is provided with the drain. The drainage structure is preferably a conical structure.
Further, a drain outlet is arranged at the bottom of the sedimentation reaction tank or at the bottom of the internal circulation device.
The flocculate and the active particles in the reactor are regularly discharged through the sewage outlet, and the active particles required by the reaction are replenished and updated through the charging port, so that the efficient continuous operation of the reactor can be 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 transport reactor tube is configured such that the flow rate of water within the tube is 3 to 10 times the minimum fluidization rate of the active particles.
Further, the conveying reaction pipe is a circular pipe and comprises a vertical section and a horizontal section connected with the upper end of the vertical section, the internal circulation device is connected with the lower part of the vertical section, and the horizontal section is connected with the middle upper part of the sedimentation reaction tank.
Further, the fluidization reaction tank is of a circular structure, the upper part of the sedimentation reaction tank is of a circular lower part of the sedimentation reaction tank is of a conical structure, and the diameter of the upper part of the sedimentation reaction tank is larger than that of the fluidization reaction tank.
As described above, the invention has the beneficial effects that:
the invention realizes uniform water distribution through the venturi tube, realizes uniform mixing of wastewater, medicament and active particles through high-speed conveying in the conveying reaction tube, solves the problem of nonuniform mixing caused by the traditional water distribution structure, and improves the treatment efficiency of the reactor. Meanwhile, an internal circulation device is adopted, the circulation flow of wastewater and active particles in the reactor is realized through the pressure difference and the arranged gas distribution plate, the reaction space and time are increased, and the treatment efficiency of the Fenton reactor is greatly improved. In addition, the flocculate and the active particles in the reactor are discharged periodically through the sewage outlet, and the active particles required by the reaction are replenished and updated through the charging port, so that compared with the traditional reactor, the problem that the active particles can be replenished and updated only by stopping working is solved. The invention realizes the high-efficiency continuous operation of the reactor, ensures that active particles in the reactor have enough reaction activity, and effectively avoids the problem that the activity of the particles gradually decreases along with the increase of the operation time of the reactor.
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-a water inlet chamber; 4-a sewage outlet; 5-a venturi; 6, conveying a reaction tube; 7, a medicine adding port; 8, a charging port; 9-an exhaust hole; 10-a precipitation reaction tank; 11-a fluidization reaction tank; 12-an internal circulation device; 13-an internal circulation valve; 14-an air distribution plate; 15-a sewage outlet; 16-a circulating water pump; 17-water outlet weir; 18-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, the invention provides a Fenton reactor, which comprises an intake chamber 3, a venturi tube 5, a conveying reaction tube 6, an external circulation pipeline, a water inlet 1, a sedimentation reaction tank 10, a fluidization reaction tank 11, an effluent weir 17 and a water outlet 18, wherein the upper end of the venturi tube 5 is connected with the intake end of the conveying reaction tube 6, and the lower end is connected with the intake chamber 3; the number of venturi tubes may be set to 1-7. One end of the external circulation pipeline is connected with the fluidization reaction tank 11, the other end of the external circulation pipeline is connected with the water inlet chamber 3, the external circulation pipeline is provided with the circulating water pump 16, the water inlet 1 and the dosing port 2, the delivery reaction pipe 6 is also provided with the dosing port 7, and the dosing ports 2 and 7 are used for adding medicaments required by the reaction into the reactor. The water pump pumps water to realize the cyclic utilization of water flow and provide the water flow velocity for conveying active particles at high speed.
The outlet end of the conveying reaction pipe 6 is connected with the middle upper part of the sedimentation reaction tank 10, the fluidization reaction tank 11 is positioned above the sedimentation reaction tank 10, the water outlet weir 17 is connected with the fluidization reaction tank 11, and the water outlet 18 is connected with the water outlet weir 17. The water inlet chamber 3 is used for buffering the wastewater added by the water inlet 1 and the circulating water pumped by the circulating water pump 16, and settling flocculate and the like in the circulating water in the water inlet chamber 3 so as to prevent the flocculate and the like from blocking the venturi tube 5 or affecting uniform water distribution. The venturi tube 5 is used for connecting the water inlet chamber 3 and the conveying reaction tube 6, and realizing uniform water distribution in the conveying reaction tube 6. The conveying reaction pipe 6 is used for realizing uniform mixing and reaction of the wastewater, the medicament and the active particles, and simultaneously conveying the wastewater and the active particles into the precipitation reaction tank 10 at a high speed. The sedimentation reaction tank 10 is used to achieve sedimentation of the active particles while feeding part of the high-velocity active particles into the fluidization reaction tank 11 by utilizing the inertia of the wastewater flowing out of the transport reaction pipe 6. The fluidization reaction tank 11 is positioned above the sedimentation reaction tank 10 and is mainly used for fluidization reaction of wastewater and active particles; and simultaneously serves to settle the active particles, preventing them from entering the circulating water pump 16 or exiting the reactor through the water outlet 18.
In order to further improve the reaction efficiency, an internal circulation device 12 is further arranged, the position, close to the inlet end, of the lower part of the conveying reaction tube 6 is connected with the bottom of the precipitation reaction tank 10 through the internal circulation device 12, part of wastewater and active particles in the precipitation reaction tank 10 are introduced into the conveying reaction tube 6 for reaction again, the internal circulation device 12 is adopted, the circulating flow of the wastewater and the active particles in the reactor is realized, the reaction space and the reaction time are increased, and the treatment efficiency of the Fenton reactor is greatly improved.
Specifically, the internal circulation device 12 includes a connecting pipe and an air distribution plate 14. Wherein the connecting pipeline is used for connecting the sedimentation reaction tank 10 and the conveying reaction pipe 6, the connecting pipeline is obliquely arranged, the lower end of the connecting pipeline is connected with the bottom of the sedimentation reaction tank 10, and the higher end of the connecting pipeline is connected with the position, close to the inlet end, of the lower part of the conveying reaction pipe 6. Thereby distributing air through the air distribution plate 14 to promote the flow of wastewater and active particles to the transport reactor tube 6. The two ends of the connecting pipeline are arranged in a high-low inclined way, and the circulating flow of the wastewater and the active particles is realized by utilizing the pressure difference and the gas distribution of the gas distribution plate 14.
For the convenience of control, an internal circulation valve 13 which is used for opening and closing is arranged on the connecting pipeline, and an exhaust hole 9 is arranged at the top of the conveying reaction pipe 6. For discharging the gases from the reactor.
Wherein the gas distribution plate 14 is arranged at any one, two or more of the side surface of the connecting pipeline, the bottom of the connecting pipeline and the bottom of the precipitation reaction tank 10, and is arranged at the bottom of the connecting pipeline and the bottom of the precipitation reaction tank 10 in the example.
Further, be provided with charge door 8 on carrying reaction tube 6, intake chamber 3 bottom is provided with the blowdown structure that is favorable to the blowdown, and blowdown structure bottom is provided with drain 4. The sewage draining structure is preferably a conical structure, and the charging port 8 and the sewage draining port 4 are provided with control valves. A sewage outlet 15 is arranged at the bottom of the sedimentation reaction tank 10, the bottom of the internal circulation device 12 or the joint of the bottom of the sedimentation reaction tank 10 and the internal circulation device 12, and a valve is correspondingly arranged.
The flocculate and active particles in the reactor are regularly discharged through the sewage outlet 4 and the sewage outlet 15, and the active particles required by the reaction are replenished and updated through the charging opening 8, so that the efficient continuous operation of the reactor can be 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.
In this case, the feed inlet 8 is located at the middle and upper part of the conveying reaction tube 6, and is used for supplementing and renewing active particles required by the reaction. The sewage outlets 4 and 15 are respectively positioned at the bottoms of the water inlet chamber 3 and the internal circulation device 12 and are used for discharging flocculates and active particles.
Further, the conveying reaction tube 6 is a circular pipeline, and comprises a vertical section and a horizontal section connected with the upper end of the vertical section, the internal circulation device 12 is connected with the lower part of the vertical section, and the horizontal section is connected with the middle upper part of the precipitation reaction tank 10. When the diameter of the conveying reaction pipe 6 is set, the water flow speed in the pipe is 3-10 times of the minimum fluidization speed of the active particles. The device is used for realizing uniform mixing and reaction of wastewater, medicaments and active particles, conveying the wastewater and the active particles into a precipitation reaction tank 10 at high speed, and allowing one part of the wastewater and the active particles flowing out from the outlet of the horizontal section of a conveying reaction pipe 6 to flow upwards into a fluidization reaction tank 11, and allowing the other part to flow downwards and precipitate; the horizontal section is convenient for conveying the wastewater and active particles at the outlet end of the reaction tube 6 to flow up and down under the inertia effect.
Further, the fluidization reaction tank 11 is of a circular structure, and the diameter setting ensures that the water flow speed in the tank is smaller than the minimum fluidization speed of the active particles. The upper part of the sedimentation reaction tank 10 is of a round lower part of a conical structure, so that sedimentation is facilitated; the diameter of the upper part of the sedimentation reaction tank 10 is larger than that of the fluidization reaction tank 11. The section from the sedimentation reaction tank 10 to the fluidization reaction tank 11 is reduced, so that on one hand, sedimentation is facilitated, active particles are prevented from entering the circulating water pump 16 or flowing out of the reactor from the water outlet 18, and on the other hand, the water flow velocity of the flowing-out water in the fluidization reaction tank 11 is ensured, and circulation is facilitated.
The device realizes uniform water distribution through the venturi tube, realizes uniform mixing of wastewater, medicaments and active particles through high-speed conveying in the conveying reaction tube, solves the problem of nonuniform mixing caused by the traditional water distribution structure, and improves the treatment efficiency of the reactor. Meanwhile, the device adopts an internal circulation device, realizes the circulation flow of wastewater and active particles in the reactor through the pressure difference and the arranged gas distribution plate, increases the reaction space and time, and greatly improves the treatment efficiency of the Fenton reactor. In addition, the device of the invention periodically discharges flocculate and active particles in the reactor through the sewage outlet, and supplements and updates the active particles required by the reaction through the feeding port, thereby realizing the efficient continuous operation of the reactor, ensuring the active particles in the reactor to 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.
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 (7)
1. The Fenton reactor comprises a conveying reaction pipe, an external circulation pipeline, a water inlet, a precipitation reaction tank, a fluidization reaction tank, a water outlet weir and a water outlet, and is characterized in that: the internal circulation device is further included, the outlet end of the conveying reaction pipe is connected with the upper middle part of the sedimentation reaction tank, the water outlet weir is connected with the fluidization reaction tank, and the water outlet is connected with the water outlet weir; the lower part of the conveying reaction pipe is close to the inlet end and is connected with the bottom of the sedimentation reaction tank through an internal circulation device, the fluidization reaction tank is positioned above the sedimentation reaction tank, and the external circulation pipeline is connected with the fluidization reaction tank and the conveying reaction pipe; the internal circulation device comprises a connecting pipeline for connecting the conveying reaction pipe and the precipitation reaction tank and a gas distribution plate arranged on the connecting pipeline and/or at the bottom of the precipitation reaction tank; the connecting pipeline is provided with a valve, the connecting pipeline is obliquely arranged, one end connected with the conveying reaction pipe is higher than one end connected with the sedimentation reaction tank, and the gas distribution plate is arranged at any one or more of the side surface of the connecting pipeline, the bottom of the connecting pipeline and the bottom of the sedimentation reaction tank; the top of the conveying reaction tube is provided with an exhaust hole.
2. A Fenton reactor according to claim 1, wherein: the Fenton reactor further comprises a venturi tube and a water inlet chamber, the upper end of the venturi tube is connected with the inlet end of the conveying reaction tube, the lower end of the venturi tube is connected with the water inlet chamber, the outer circulation pipeline is connected with the fluidization reaction tank and the water inlet chamber, and the outer circulation pipeline is provided with a circulating water pump, a water inlet and a dosing port.
3. A Fenton reactor according to claim 2, characterized in that: the feeding port is arranged on the conveying reaction pipe, the bottom of the water inlet chamber is provided with a sewage discharging structure which is beneficial to sewage discharging, and the bottom of the sewage discharging structure is provided with a sewage discharging port.
4. A Fenton reactor according to claim 1, wherein: and a sewage outlet is arranged at the bottom of the sedimentation reaction tank or at the bottom of the internal circulation device.
5. A Fenton reactor according to claim 1, wherein: the transport reactor tube is configured such that the velocity of the water flow within the tube is 3 to 10 times the minimum fluidization velocity of the active particles.
6. A Fenton reactor according to claim 1, wherein: the conveying reaction pipe is a circular pipe and comprises a vertical section and a horizontal section connected with the upper end of the vertical section, the internal circulation device is connected with the lower part of the vertical section, and the horizontal section is connected with the middle upper part of the sedimentation reaction tank.
7. A Fenton reactor according to claim 1, wherein: the fluidization reaction tank is round, the upper part of the sedimentation reaction tank is of a round lower part of the sedimentation reaction tank is of a conical structure, and the diameter of the upper part of the sedimentation reaction tank is larger than that of the fluidization reaction tank.
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KR101634774B1 (en) * | 2015-12-01 | 2016-06-30 | 부경대학교 산학협력단 | Jet loop fluidized bed fenton reactor for improving fenton reaction performance and waste water treatment system and the method thereof |
CN105948216A (en) * | 2016-05-16 | 2016-09-21 | 江苏省环境科学研究院 | Airlift type heterogeneous Fenton reactor |
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2017
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WO2015123996A1 (en) * | 2014-02-19 | 2015-08-27 | 南京大学 | Fenton fluidized bed treatment apparatus and wastewater treatment method thereof |
KR101634774B1 (en) * | 2015-12-01 | 2016-06-30 | 부경대학교 산학협력단 | Jet loop fluidized bed fenton reactor for improving fenton reaction performance and waste water treatment system and the method thereof |
CN105948216A (en) * | 2016-05-16 | 2016-09-21 | 江苏省环境科学研究院 | Airlift type heterogeneous Fenton reactor |
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