CN104147908A - Biofilm reactor-biological deodorization tower combined device and method for treating odors - Google Patents
Biofilm reactor-biological deodorization tower combined device and method for treating odors Download PDFInfo
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- CN104147908A CN104147908A CN201410360089.2A CN201410360089A CN104147908A CN 104147908 A CN104147908 A CN 104147908A CN 201410360089 A CN201410360089 A CN 201410360089A CN 104147908 A CN104147908 A CN 104147908A
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Abstract
The invention provides a biofilm reactor-biological deodorization tower combined device. The device is characterized in that a coil pipe is arranged in a shell of a condensing device; the gas outlet of the coil pipe is connected to aeration discs of an odor biological treatment integrated device via an aeration machine; a filler rack is arranged above the aeration discs; an aerobic biofilm is grown on the filler rack; a layer of geotextile is laid on a perforated plate; biological fillers are filled in the geotextile; spray heads are arranged above the biological fillers; a gas outlet at the top of the odor biological treatment integrated device is connected to aeration discs of a photocatalytic degradation reaction device; a sludge discharge hole is formed in the bottom of the photocatalytic degradation reaction device; the aeration discs are arranged above the sludge discharge hole; an ultraviolet sterilizing lamp is arranged above the aeration discs; semiconductor loading fillers are filled in the photocatalytic degradation reaction device and a perforated baffle is arranged above the semiconductor loading fillers; a gas outlet at the top of the photocatalytic degradation reaction device is connected to an odor adsorption column. The invention also discloses a method for treating odors by utilizing the device.
Description
Technical field
The present invention relates to the group technology of the high temperature foul gas that produces in a kind of disposal of refuse compost, sewage disposal, industrial manufacture process, is the height coupling of Physical, chemical method and bioanalysis.
The invention still further relates to the method for utilizing said apparatus to process foul smell.
Background technology
Along with the continuous acceleration of socioeconomic develop rapidly and urbanization process, problem of environmental pollution becomes increasingly conspicuous.And the stench producing in industrial manufacture, garbage disposal, sewage disposal process in recent years is seriously perplexing resident's life, especially sewage treatment plant, complaints are heard everywhere for destructor plant periphery resident, suffer untold misery.Foul smell discharge standard increasingly stringent, treatment process is very urgent thoroughly to find a kind of foul smell degree of depth.
Stench refers to that all stimulate olfactory organ to cause that people are unhappy and damage bioenvironmental material, is different from generation and the propagation of atmosphere pollution, and its processing method is also comparatively various, as biological decomposition method, absorption absorption method, chemical oxidization method, dilution diffusion method etc.Although existing technique has certain processing effect to foul smell, its effect is still unsatisfactory.Because the many temperature of foul smell of garbage disposal plant and the generation of cultivation manufacturing industry are higher, in foul smell, not only contain multiple inorganic odor causing substance (as SO
2, H
2s etc.), also contain a lot of organic smelly groups (as hydro carbons, oxygen containing organic matter etc.) that cause.The present invention designs a kind of photocatalytic degradation reaction unit and uses the mode of nanometer aeration to improve OH generation rate, because microbubble has huge quantity, specific area, the rate of climb slowly, gas-liquid contact area, time of contact have greatly been increased, be conducive to ozone soluble in water, overcome the shortcoming that ozone is insoluble in water.Microbubble inside has larger pressure and nano bubble while breaking, and interface disappears, and the chemical energy that surrounding environment acutely changes generation impels and produces more hydroxyl radical free radical, strengthens the ability of ozone oxidation decomposing organic matter.Ozone produces OH under the radiation of ultraviolet light, and ozone is taken away the electronics that titanium-dioxide photo causes electron hole centering, thereby has produced more hydroxyl radical free radical, has accelerated organic degraded, by the strong oxidation of OH, organic pollution is processed.
Summary of the invention
The object of the present invention is to provide a kind of biofilm reactor-biological deodorizing tower combination unit.
A kind of method of utilizing said apparatus to process foul smell that provides is provided another object of the present invention.
Biofilm reactor-biological deodorizing tower combination unit for achieving the above object, primary structure is:
One condensing unit (1), its inside is provided with coil pipe (2), this coil pipe (2) is immersed in cooling fluid, and the gas outlet of this coil pipe (2) is connected to by aerator (23) aeration plate (18) that bad smell biological is processed integrating device (8);
Bad smell biological is processed integrating device (8) bottom and is provided with mudhole (20), aeration plate (18) is arranged on mudhole (20) top, aeration plate (18) top is provided with stuffing frame (5), the upper vertical direction of stuffing frame (5) is provided with filler (24), and the upper growth of filler (24) has aerobic biologic membrane; Filler (24) is immersed in water;
Water surface top is provided with porous plate (12), and the upper one deck geotextiles of laying of porous plate (12), is filled with biologic packing material (7) in geotextiles; Biologic packing material (7) top is provided with spray head (6), and spray head (6) is connected to by hydraulic pump (9 ') apopore that bad smell biological is processed integrating device (8) below;
The venthole that bad smell biological is processed integrating device (8) top is connected to the aeration plate (18 ') of photocatalytic degradation reaction unit (10) by aerator (23 ');
Photocatalytic degradation reaction unit (10) inwall uniform load one deck nonmetal doping photochemical catalyst, photocatalytic degradation reaction unit (10) bottom offers mudhole (20 '), mudhole (20 ') top is provided with aeration plate (18 '), on aeration plate (18 '), be provided with ultraviolet sterilization lamp (11), in the space of photocatalytic degradation reaction unit (10) and ultraviolet sterilization lamp (11), be filled with semiconductor load filler (21), semiconductor load filler (21) top is provided with porous plate (12 '); The venthole at photocatalytic degradation reaction unit (10) top is connected to foul smell adsorption column (16);
In foul smell adsorption column (16), be divided into three layers, upper strata is nonwoven packed layer (15), and middle level is red mud modified molecular screen packed layer (14), and lower floor is active carbon packed layer (13); Active carbon packed layer (13) connects exhaust tower (17).
Described biofilm reactor-biological deodorizing tower combination unit, wherein, photocatalytic degradation reaction unit 10 inwall equally loaded nonmetal doping photochemical catalysts; The semiconductor load filler of photocatalytic degradation reaction unit 10 interior fillings is nano-TiO
2powder loads on solid netted polypropylene filler and forms.
Described biofilm reactor-biological deodorizing tower combination unit, wherein, the outer wall that bad smell biological is processed integrating device 8 is provided with heat-insulation layer, condensing unit 1 and bad smell biological are processed between integrating device 8 and are provided with a hydraulic pump 9, by this hydraulic pump 9, cooling fluid are circulated between cooling device 1 and the heat-insulation layer of bad smell biological processing integrating device 8.
Described biofilm reactor-biological deodorizing tower combination unit, wherein, the cooling fluid in condensing unit 1 is left alone without help as thermal medium with oil.
Described biofilm reactor-biological deodorizing tower combination unit, wherein, described aerator is nanometer aeration machine, the equal connection traffic meter of aerator.
Described biofilm reactor-biological deodorizing tower combination unit, its photocatalytic degradation reaction unit shell and top shadow shield are smeared one deck blacking outward in order to shading.
The method of utilizing combinations thereof device to process foul smell provided by the invention, its main process is:
Pending gas flows into from coil pipe air inlet, by the gas outlet of coil pipe, is flowed out, and coil pipe is immersed in cooling fluid, and gas carries out heat exchange in coil pipe flow process, reduces foul smell temperature;
The cooling fluid of condensing unit is incubated for bad smell biological is processed to integrating device to the heat-insulation layer of bad smell biological processing integrating device by hydraulic pumping;
Foul smell after condensing unit is processed is delivered to bad smell biological and processes integrating device, by bad smell biological, process the pernicious gas that integrating device is held back tool foul smell, be adsorbed on bad smell biological and process the biologic packing material surface of integrating device inside, and the metabolism of the microorganism by biologic packing material surface is degraded foul smell;
The foul smell of processing integrating device processing through bad smell biological is delivered in photocatalytic degradation reaction unit, the hydroxyl radical free radical producing in nanometer aeration device carries out Fenton advanced oxidation to foul smell, the active group of [Dan inactivation after peroxidating, eliminates penetrating odor;
Wherein in photocatalytic degradation reaction unit, nano titanium dioxide crystal excites the free anion that has oxidizing force under ultra violet lamp as photocatalyst, simultaneously in nanometer aeration process and the energy that excites of ultrasonic wave generating process also can there is and strengthen the generation of free anion, reach photocatalysis effect; And free anion with and break away from the constraint of covalent bond after leave room, with nano bubble surface with electric charge produce micro-electrolysis effectiveness simultaneously, can kill bacterium, pathogen and microorganism etc., decompose residual biodegradable organic compounds and noxious material, lasting security to the turbidity sewage degraded that carries out disinfection.The processing aspect that causes smelly composition for difficult degradation has very large advantage.
In the foul smell input foul smell adsorption column of processing through photocatalytic degradation reaction unit, foul smell is first by nonwoven packed layer, absorb moisture that gas is with, then through red mud modified molecular screen packed layer, foul smell is carried out to ion-exchange and physical absorption, finally by active carbon packed layer, remaining odor causing substance is carried out to last absorption, be directly disposed to atmospheric environment.
Described method, wherein, bad smell biological is processed biologic packing material moisture content in integrating device primer fluid press pump lower than 30% time.
Described method, wherein, the biologic packing material that bad smell biological is processed in integrating device is the humic product that adopts Mineralized Wastes in Landfill Site or garbage compost.
Described method, wherein, the temperature that bad smell biological is processed in integrating device is 25-35 ℃, it is O that bad smell biological is processed integrating device processing air inlet
2, for clean filler; The air inlet of photocatalytic degradation reaction unit is O
3, by nanometer aeration, obtain in a large number hydroxyl radical free radical, play strong oxidation.
Combination logos of the present invention, chemical method and bioanalysis associated treatment foul smell, adopt odor pollutant in microorganism adsorption, decompose odor, adopt Fenton advanced oxidation further to process deactivation, finally use physical absorption, foul gas is carried out to advanced treating, and the gas after processing can directly be disposed to atmospheric environment completely.This technique has extremely strong deodorizing effect, can be widely used in the gas treatment engineering that garbage disposal, sewage disposal, industry manufacture and cultivation industry produce.
The present invention has extremely strong deodorizing effect, can be widely used in the gas treatment engineering that the every profession and trades such as garbage disposal, sewage disposal, industry manufacture and cultivation produce.
Accompanying drawing explanation
Fig. 1 is combination unit structural representation of the present invention.
Primary clustering symbol description in accompanying drawing:
1 condensing unit; 2 coil pipes; 3 pointer tensometers; 4 probes; 5 stuffing frames; 6 spray heads; 7 biologic packing materials; 8 bad smell biologicals are processed integrating device; 9,9 ' hydraulic pump; 10 photocatalytic degradation reaction units; 11 ultraviolet sterilizations etc.; 12,12 ' porous plate; 13 active carbon packed layers; 14 red mud modified molecular screen packed layers; 15 nonwoven packed layers; 16 foul smell adsorption columns; 17 exhaust towers; 18,18 ' aeration plate; 19 waterproof sleeves; 20,20 ' mudhole; 21 semiconductor load fillers; 22,22 ' flowmeter; 23,23 ' nanometer aeration machine; 24 fillers.
The specific embodiment
The present invention is the synergy advanced treating foul gas of Applied Physics method, chemical method and bioanalysis.Biofilm reactor-biological deodorizing tower provided by the invention is processed the group technology of foul smell, and its primary structure comprises:
Condensing unit 1, by shell, coil pipe 2, cooling fluid, formed, pending gas flows into from coil pipe 2 inlet ends, by coil pipe 2 other ends, flowed out, coil pipe 2 is immersed in cooling fluid, gas carries out heat exchange in coil pipe flow process, will reduce foul smell temperature, and the interior cooling fluid of condensing unit 1 selects oil left alone without help as thermal medium.At condensing unit 1 and bad smell biological, process and between integrating device 8, be provided with a hydraulic pump 9 and cooling fluid be delivered to bad smell biological and process in the heat-insulation layer of integrating device 8 for insulation; After condensing unit 1 is processed, foul smell is delivered to bad smell biological and processes the aeration plate 18 in integrating device 8 under 23 effects of nanometer aeration machine.Bad smell biological is processed aeration plate 18 in integrating device and is connected with nanometer aeration machine 23 by flowmeter 22.
Wherein, bad smell biological is processed integrating device 8 bottoms and is offered mudhole 20, and its inside is positioned at mudhole 20 tops and is provided with aeration plate 18, aeration plate 18 tops are provided with stuffing frame 5, on stuffing frame 5, vertical direction is laid with biologic packing material 7, and biologic packing material 7 is immersed in water, and on it, growth has aerobic biologic membrane; On the water surface, 50cm place is provided with porous plate 18, lays one deck geotextiles on porous plate 18, loads biologic packing material 7 in geotextiles, and this biologic packing material adopts the humic product of Mineralized Wastes in Landfill Site or garbage compost; Biologic packing material 7 tops are provided with spray equipment 6, and this spray equipment 6 is connected to by a hydraulic pump 9 ' apopore that bad smell biological is processed integrating device 8 belows.Bad smell biological is processed the control head 4 that is provided with detection moisture content in integrating device 8, the signal of this probe 4 is controlled by pointer tensometer 3, pointer-type tensometer 3 is connected with hydraulic pump 9, when pointer tensometer 3 eucoen filler 7 moisture content primer fluid press pump lower than 30% time.Excess sludge is discharged by mudhole 20.
The venthole that bad smell biological is processed integrating device 8 tops is connected to the aeration plate 18 ' of photocatalytic degradation reaction unit 10 by aerator 23 ', in photocatalytic degradation reaction unit 9, aeration plate 18 ' is connected with nanometer aeration machine 23 ' by flowmeter 22 '.
Photocatalytic degradation reaction unit 10 inwall uniform load one deck nonmetal doping nano titanium dioxide photocatalysts, photocatalytic degradation reaction unit 10 bottoms offer mudhole 20 ', mudhole 20 ' top is provided with aeration plate 18 ', on aeration plate 18 ', be provided with ultraviolet sterilization lamp 11, outside ultraviolet sterilization lamp 11, have a waterproof sleeve.In the space of photocatalytic degradation reaction unit 10 and ultraviolet sterilization lamp 11, be filled with semiconductor load filler 21 (as nano-TiO
2powder loads on solid netted polypropylene filler), semiconductor load filler 21 tops are provided with porous plate 12 '; The venthole at photocatalytic degradation reaction unit 10 tops is connected to foul smell adsorption column 16.Photocatalytic degradation reaction unit 10 can produce a large amount of hydroxyl radical free radicals, and foul smell is carried out to Fenton advanced oxidation, the active group of [Dan inactivation after peroxidating, and penetrating odor disappears.Kill pathogen in foul smell, bacterium etc. simultaneously, improve purification efficiency.
The foul smell input foul smell adsorption column 16 of processing through photocatalytic degradation reaction unit 10.Foul smell adsorption column 16 is interior is top-downly divided into three layers: nonwoven packed layer 15, red mud modified molecular screen packed layer 14 and active carbon packed layer 13.
Below in conjunction with accompanying drawing, elaborate.
Biofilm reactor-biological deodorizing tower of the present invention is processed the combination unit of foul smell, mainly comprises five parts: condensing unit, bad smell biological are processed integrating device, photocatalytic degradation reaction unit, foul smell adsorption column, exhaust tower.
First pending gas by condensing unit 1, carry out heat exchange in coil pipe 2, and high temperature foul smell temperature is reduced to 30 ℃ of left and right; Foul smell after condensation process enters bad smell biological and processes integrating device 8, under nanometer aeration machine 23 and aeration plate 18 effects, foul smell is divided into nano grade air bubbles, and be delivered to bad smell biological and process integrating device 8, nano bubble can stop about 4 hours in water, greatly extend contact area and the time of staying of bubble and water, improved foul smell deposit efficiency outside microbial body.Through most of odor pollutant in washing foul smell, in water, dissolve, and by the decomposition and consumption of microorganism, deodorizing rate reaches 50%.After foul smell emerges, continue to boost, by the hole on porous plate 12, in biologic packing material 7, spread.Odor pollutant is attached to microorganism surface, and with its metabolic activity degraded, deodorizing rate reaches 70%.
The foul smell of processing integrating device 8 processing through bad smell biological continues to process at photocatalytic degradation reaction unit 10 by nanometer aeration machine 23 ', foul smell is carried out to Fenton advanced oxidation, the active group of [Dan inactivation after peroxidating, penetrating odor disappears, and has removed pathogen in foul smell and bacterium etc. simultaneously.The foul smell input foul smell adsorption column 16 of processing through photocatalytic degradation reaction unit 10, the mud in photocatalytic degradation reaction unit 10 is discharged from mudhole 20 '; First foul smell absorbs by nonwoven packed layer 15 moisture that gas is with; Through 14 pairs of foul smell of red mud modified molecular screen packed layer, carry out ion-exchange and physical absorption; By 13 pairs of remaining odor causing substances of active carbon packed layer, carry out last absorption; Gas after above-mentioned processing can directly be disposed to atmospheric environment by exhaust tower 17.
Claims (10)
1. biofilm reactor-biological deodorizing tower combination unit, primary structure is:
One condensing unit (1), its inside is provided with coil pipe (2), this coil pipe (2) is immersed in cooling fluid, and the gas outlet of this coil pipe (2) is connected to by aerator (23) aeration plate (18) that bad smell biological is processed integrating device (8);
Bad smell biological is processed integrating device (8) bottom and is provided with mudhole (20), aeration plate (18) is arranged on mudhole (20) top, aeration plate (18) top is provided with stuffing frame (5), the upper vertical direction of stuffing frame (5) is provided with filler (24), and the upper growth of filler (24) has aerobic biologic membrane; Filler (24) is immersed in water;
Water surface top is provided with porous plate (12), and the upper one deck geotextiles of laying of porous plate (12), is filled with biologic packing material (7) in geotextiles; Biologic packing material (7) top is provided with spray head (6), and spray head (6) is connected to by hydraulic pump (9 ') apopore that bad smell biological is processed integrating device (8) below;
The venthole that bad smell biological is processed integrating device (8) top is connected to the aeration plate (18 ') of photocatalytic degradation reaction unit (10) by aerator (23 ');
Photocatalytic degradation reaction unit (10) inwall uniform load one deck nonmetal doping photochemical catalyst, photocatalytic degradation reaction unit (10) bottom offers mudhole (20 '), mudhole (20 ') top is provided with aeration plate (18 '), on aeration plate (18 '), be provided with ultraviolet sterilization lamp (11), in the space of photocatalytic degradation reaction unit (10) and ultraviolet sterilization lamp (11), be filled with semiconductor load filler (21), semiconductor load filler (21) top is provided with porous plate (12 '); The venthole at photocatalytic degradation reaction unit (10) top is connected to foul smell adsorption column (16);
In foul smell adsorption column (16), be divided into three layers, upper strata is nonwoven packed layer (15), and middle level is red mud modified molecular screen packed layer (14), and lower floor is active carbon packed layer (13); Active carbon packed layer (13) connects exhaust tower (17).
2. biofilm reactor-biological deodorizing tower combination unit according to claim 1, wherein, photocatalytic degradation reaction unit inwall equally loaded nonmetal doping nano titanium dioxide photocatalyst; The semiconductor load filler of filling in photocatalytic degradation reaction unit is nano-TiO
2powder loads on solid netted polypropylene filler and forms.
3. biofilm reactor-biological deodorizing tower combination unit according to claim 1, wherein, the outer wall that bad smell biological is processed integrating device is provided with heat-insulation layer, condensing unit and bad smell biological are processed between integrating device and are provided with a hydraulic pump, by this hydraulic pump, cooling fluid are circulated between cooling device and the heat-insulation layer of bad smell biological processing integrating device.
4. biofilm reactor-biological deodorizing tower combination unit according to claim 1, wherein, the cooling fluid in condensing unit is left alone without help as thermal medium with oil.
5. biofilm reactor-biological deodorizing tower combination unit according to claim 1, wherein, described aerator is nanometer aeration machine, the equal connection traffic meter of aerator.
6. biofilm reactor-biological deodorizing tower combination unit according to claim 1, its photocatalytic degradation reaction unit shell and top shadow shield are smeared one deck blacking outward in order to shading.
7. utilize combination unit described in claim 1 to process a method for foul smell, its main process is:
Pending gas flows into from coil pipe air inlet, by the gas outlet of coil pipe, is flowed out, and coil pipe is immersed in cooling fluid, and gas carries out heat exchange in coil pipe flow process, reduces foul smell temperature;
The cooling fluid of condensing unit is incubated for bad smell biological is processed to integrating device to the heat-insulation layer of bad smell biological processing integrating device by hydraulic pumping;
Foul smell after condensing unit is processed is delivered to bad smell biological and processes integrating device, by bad smell biological, process the pernicious gas that integrating device is held back tool foul smell, be adsorbed on bad smell biological and process the biologic packing material surface of integrating device inside, and the metabolism of the microorganism by biologic packing material surface is degraded foul smell;
The foul smell of processing integrating device processing through bad smell biological is delivered in photocatalytic degradation reaction unit, the hydroxyl radical free radical producing in nanometer aeration device carries out Fenton advanced oxidation to foul smell, the active group of [Dan inactivation after peroxidating, eliminates penetrating odor;
In the foul smell input foul smell adsorption column of processing through photocatalytic degradation reaction unit, foul smell is first by nonwoven packed layer, absorb moisture that gas is with, then through red mud modified molecular screen packed layer, foul smell is carried out to ion-exchange and physical absorption, finally by active carbon packed layer, remaining odor causing substance is carried out to last absorption, be directly disposed to atmospheric environment.
8. method according to claim 7, wherein, bad smell biological is processed biologic packing material moisture content in integrating device primer fluid press pump lower than 30% time.
9. according to the method described in claim 7 or 8, wherein, the biologic packing material that bad smell biological is processed in integrating device is the humic product that adopts Mineralized Wastes in Landfill Site or garbage compost.
10. method according to claim 7, wherein, the temperature that bad smell biological is processed in integrating device is 25-35 ℃, bad smell biological is processed integrating device, and to process air inlet be O
2, for clean filler; The air inlet of photocatalytic degradation reaction unit is O
3, by nanometer aeration, obtain in a large number hydroxyl radical free radical, play strong oxidation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410360089.2A CN104147908B (en) | 2014-07-25 | 2014-07-25 | Biofilm reactor-biological deodorizing tower system locking device and the method processing foul smell |
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|---|---|---|---|
| CN201410360089.2A CN104147908B (en) | 2014-07-25 | 2014-07-25 | Biofilm reactor-biological deodorizing tower system locking device and the method processing foul smell |
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| CN104147908B CN104147908B (en) | 2016-07-13 |
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| CN106178874A (en) * | 2016-08-11 | 2016-12-07 | 上海洗霸科技股份有限公司 | Water solublity VOCs Zero-discharge treating process |
| CN106925111A (en) * | 2017-04-13 | 2017-07-07 | 湖南普泰尔环境股份有限公司 | A kind of negative pressure deodorization system |
| CN107174946A (en) * | 2017-06-09 | 2017-09-19 | 北京丰泽绿源环境技术有限公司 | A kind of indoor air handler and method |
| WO2018032806A1 (en) * | 2016-08-16 | 2018-02-22 | 中电建水环境治理技术有限公司 | Multi-stage purification treatment system for tail gas from manufacturing ceramic by carbonization of sludge from bottom of river or lake |
| CN107983080A (en) * | 2017-10-19 | 2018-05-04 | 广东卓信环境科技股份有限公司 | A kind of method of active carbon purifying sanitary sewage foul smell |
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| CN112246100A (en) * | 2020-10-14 | 2021-01-22 | 晋中学院 | A gaseous purifier that is used for chemical laboratory outdoor row air pollution to administer |
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| CN112246100A (en) * | 2020-10-14 | 2021-01-22 | 晋中学院 | A gaseous purifier that is used for chemical laboratory outdoor row air pollution to administer |
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