CN109912029A - A kind of gravity flow Internal-circulationaerobic aerobic granule sludge continuous flow reactor - Google Patents
A kind of gravity flow Internal-circulationaerobic aerobic granule sludge continuous flow reactor Download PDFInfo
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Abstract
The present invention discloses a kind of gravity flow Internal-circulationaerobic aerobic granule sludge continuous flow reactor for handling sanitary sewage, and seed sludge is the mature aerobic particle mud of SBR culture.The reactor includes cylinder-shaped body reactor, and water inlet system, drainage system, aerator, mixing plant, two lucite tubes are placed in main body reactor two sides, as anaerobic zone and settling zone.Sewage is intake at the top of anaerobic zone, after the downward active force of the agitated blade of granule sludge, aerobic zone is slid into from bottom, muddy water rises under the action of aeration, baffle at the top of anaerobic zone inserts the deep adjustable amount for flowing into anaerobic zone muddy water, realizes circulation in gravity flow with this.In the reactor, enough shear actions are provided by the stirring and aeration in different function area, can effectively improve the hydrophobicity of cell and promotes the secretion of EPS, very good synchronous denitrification dephosphorizing function can be realized in long-term running continuous flow mode.
Description
Technical field:
The present invention be suitable for field of biological sewage treatment, be particularly suitable for continuous-flow aerobic granular sludge technique starting,
The high efficiency synchronous denitrogenation dephosphorizing of city domestic sewage and the recovery of granule sludge performance.
Background technique:
Aerobic particle mud has been proposed as the effective and innovative technology of wastewater treatment, excellent settleability and height biology
Matter concentration aerobic particle mud.It is a kind of very attractive wastewater processing technology, because it, which has, is permitted compared with activated sludge
Mostly unrivaled advantage, such as compact-sized, deposition capability is strong, to the tolerance of high organic loading and toxicity.In addition, high biology
Amount retention capacity enhances volume transfer capability, to enable a system to processing high organic loading rate.Aerobic particle mud is simultaneous
Property and aerobic microbiological symbiosis provide ideal place.These microorganisms include that various ammonia oxidizing bacterias and denitrifying bacteria make
For a quasi-microorganism self-coagulation body, there is the characteristics of bioactivity is high, and species are various, and microorganism stratification is grown.It realizes aerobic
Under the conditions of incomparable many merits of traditional active sludges such as denitrogenation dephosphorizing simultaneously, it is considered to be the waste water of great development prospect
Biologic treating technique, still, the unstability of aerobic particle mud and be almost sbr reactor device single-reactor form,
Although mud-water separation can be realized in the same reactor, SBR capacity utilization is low, head loss is big, water outlet does not connect
Continuous, peak value oxygen demand height, utilization rate of equipment and installations are low, operation controls complexity, are not suitable for the shortcomings that big yield significantly limits this
The application and development of kind technology cause Aerobic Granular Sludge Technology that large-scale engineering is still not implemented so far and apply.But even
Continuous processing water may be implemented in afterflow operation, has and saves occupied area, operation controls simple advantage, at present to continuum micromeehanics
Under form cultivate aerobic particle mud go forward side by side sewage treatment reactor report it is less.So it is small to be badly in need of a kind of occupied area,
Efficiently the integration with sewage treatment function answers device well for operation.
And in view of common continuous-flow aerobic granular sludge reactor for, deficient in stability, single aeration or intermittent aerating
Form has not given aerobic particle mud one good existence growth conditions, and in this reactor, it is not only additionally arranged and detests
Oxygen area makes particle further stable and effective granulating according to anaerobism plot structure to realize circulation in gravity flow.And it is built-in efficient
Sediment tube, avoid causes in present reactor when gas, liquid, solid three-phase is separated in the same reactor point well
From ineffective problem, the spoil disposal of the isolation and selection of gas-liquid-solid has effectively been carried out.Also, sediment tube is placed in reaction
In the inner cavity of device main body, occupied area can be saved, saves operational and administrative expenses.
Summary of the invention:
Describe above in order to solve the problems, such as, the purpose of the present invention makes to provide a kind of interior high-efficiency aerobic particle recycled of gravity flow
Sludge continuous flow reactor, reactor is the integrated reactor of self-loopa, because of continuous flow granule sludge under normal circumstances
Reactor for treatment sewage will appear the problems such as unstable treatment effeciency of granule sludge starting difficulty or ease disintegration is low, the invention invention often
The continuous flow reactor recycled in a kind of gravity flow, using the aerobic zone that inside reactor is formed, is detested in a reactor
Oxygen area, three kinds of settling zone environment.Sewage is drawn water from intake pool to reactor upper end, water inlet to the organic glass in anaerobic zone by peristaltic pump
Glass pipe generates downward active force to muddy water under the rotation of blade-carrying blender, in the case where being stirred to react by anaerobism, mud
Water through anaerobic zone bottom construct flow into main body reactor in, into aerobic zone, muddy water under the action condition that aerobic zone is aerated on
It rises, muddy water rises to reactor head, is introduced into after overflow port according to the opening at the top of anaerobic zone and enters anaerobic zone, and gas exists
Top removal system.Muddy water flows into aerobic zone through anaerobic zone, then flows into anaerobic zone by aerobic zone, is realized in gravity flow and is followed with this
Ring.And the deep open-topped size of control can be inserted by the baffle at the top of anaerobic zone and flows into anaerobic zone to control aerobic zone
The amount and then the interior circulation degree of control gravity flow of muddy water.The effect of settling zone is to realize the separation of liquid and solid, settling zone supernatant
Liquid outflow system.Some researches show that water inlet modes to impact to town sewage strengthened denitrification aerobic particle mud culture,
In this reactor, the mode of anaerobism stirring is carried out after water inlet to promote the denitrification of granule sludge, sewage through the water inlet of anaerobism section and
Baffle, which inserts circulating effect in deep depth change gravity flow, enhances continuous flow system and the stability of granule sludge, effectively promotes
MLSS is formed to be circulated over long distances, is realized that sludge movement flows through different substrates concentration conditions and different DO conditions, is passed through stirring
Provide enough shearing forces with aeration, be conducive to floc sludge generate more EPS and improve the hydrophobicity of cell surface from
And promote Granular sludge formation.Occupied area effectively is saved, is reduced costs, the efficiency of synchronous denitrification dephosphorizing is improved.
The technical solution of patent of the invention is as follows:
A kind of interior high-efficiency aerobic granular sludge reactor and operation method recycled of gravity flow: 1 in figure --- built-in High-rate sedimentation pipe
--- built-in High-rate sedimentation pipe water outlet (sample tap) 3 --- built-in High-rate sedimentation pipe spherical surface 4 --- the built-in height of cylindrical body tube wall 2
--- --- main body sbr reactor device 7 --- wraps the zigzag arc slot 5 of effect precipitating tube wall lower part 6 at main body sbr reactor device water inlet
Side is aerated cake 8, and --- --- inlet tank 10 --- water inlet peristaltic pump 11 --- is empty for the water outlet (sample tap) 9 of main body sbr reactor device
--- --- gas flowmeter 14 --- blender 15 --- the internal anaerobic area cylindrical wall of discharge casing 13 of air compressor 12
16 --- --- internal anaerobic area lower part zigzag arc slot 18 --- the internal anaerobic tube top of internal anaerobic area bottom surface 17 openings
19 --- baffle 20 --- top curve slot (overflow ports) built in anaerobic zone
Including reactor body 1: internal anaerobic area diameter tube is 80mm, and the side of wall is sticked on main reactor wall,
Sample tap is provided on this side wall
Taking a diameter is the hollow lucite tube of a length of 100mm of 30mm, and diametrically vertical direction cuts out half arc-shaped slot
It is sticked on the inside of the lucite tube of anaerobic zone as overflow port.Being provided with a width on the outer wall is 10mm, the square aperture of a length of 40mm.
And it is baffled on the outside, anaerobic zone is flowed into when for rising to top from the muddy water of aerobic zone, and according to baffle
Insert circulation degree in deep deep-controlled gravity flow.In built-in sediment tube, precipitating pipe diameter is 40mm, and side is sticked to main reactor
On, the wall of main body is equipped with sample tap corresponding with water inlet system, drainage system and water outlet, and nine mud discharging mouths are in wall one
Side is evenly distributed, and spacing 100mm, lower than the maximum height of reactor liquid level, sewage lifting is entered biological treatment by intake pump
Blender is arranged in unit, anoxic zone, the anaerobic zone of biological processing unit, and the oxygen that air blower provides enters aerobic through aerator
Area, under the action of microorganism, the common degradation for completing pollutant, water inlet end is anaerobism or anoxic zone, then increases in reflux
Oxygen release process.
Bound edge, which is aerated, has the bound edge for being higher than aeration cake 5.0mm around cake 7.
Its feature are as follows: bound edge aeration cake 7 can make gas directed flow, will not spread around, can effectively prevent aeration
It generates air pocket and enters built-in High-rate sedimentation pipe device to influence sedimentation effect.
Multiple water outlets (sample tap) are arranged in the invention patent, can be according to reactor sludge concentration and the effect of processing water
Reasonable arrangement spoil disposal position, spoil disposal are carried out from corresponding sample tap.
The advantages of granule sludge method of the present invention, is: (1) reactor continuum micromeehanics, continuous effluent mode under run；
(2) three functional areas are separated by a reactor, form circulation in gravity flow in internal system.(3) and there is High-rate sedimentation
Function.
Detailed description of the invention:
Fig. 1 is structure chart of the invention
--- built-in High-rate sedimentation pipe cylindrical body 2 --- built-in High-rate sedimentation pipe water outlet (sample tap) 3 --- built-in height 1 in figure
Sediment tube spherical surface 4 --- the zigzag arc slot 5 of built-in High-rate sedimentation tube wall lower part --- is imitated at main body sbr reactor device water inlet
6 --- --- bound edge aeration cake 8 --- water outlet (sample tap) 9 of the main body sbr reactor device --- water inlets of main body sbr reactor device 7
--- water inlet --- --- discharge casing 13 --- gas flowmeter 14 --- blender of air compressor 12 of peristaltic pump 11 of case 10
15 --- internal anaerobic area cylindrical wall 16 --- internal anaerobic area bottom surface 17 --- internal anaerobic area lower part zigzag arc slots
18 --- internal anaerobic pipe top opening 19 --- baffle 20 --- top curve slots built in anaerobic zone
Fig. 2 is main view, top view and the side view in internal anaerobic area
Fig. 3 is trivial main view, top view and the side view of built-in precipitating
Fig. 4 is the bottom detail figure in internal anaerobic area of the invention and built-in settling zone
Fig. 5 is the specific design operation method thereof in internal anaerobic area and built-in settling zone bottom
Illustrate: looking for a point A on tube wall, cuts built-in High-rate sedimentation tube wall along the face ABC, find the corresponding D point of A point with same
Method Pipe Cutting wall removes curved surface ABC and curved surface DBC, the tube bottom of as built-in High-rate sedimentation pipe.
Fig. 6 is advanced optimizing of being open of internal anaerobic area and built-in settling zone
Illustrate: a part of the tube wall of built-in High-rate sedimentation pipe being cut and is illustrated out, because tube wall has certain thickness,
So can be with laser along the direction of HK, i.e. 45 degree of oblique upper cutting tube wall when cutting, the face cut out is HIJK, this to cut
Cut advantage possessed by mode are as follows: tube bottom opening has the characteristics that the small inner space of mouth is big, can be preferably in settling zone
It avoids gas from entering internal High-rate sedimentation pipe, granule sludge is made preferably to flow out sediment tube.In anaerobic zone, it can avoid well
Gas enters internal High-rate sedimentation pipe, and granule sludge is made preferably to flow out sediment tube, preferably realizes circulation in gravity flow.
A figure is that anaerobic zone lucite tube top opening detail model just sees oblique view in Fig. 7
B figure is that anaerobic zone lucite tube top opening detail model bows and sees oblique view
C figure is anaerobic zone organic glass tube model oblique view
Specific embodiment:
As shown in Figure 1, the present invention is a kind of gravity flow Internal-circulationaerobic aerobic granule sludge continuous flow reactor, including reactor master
Body 1, water inlet system, mixing plant, aerating system, drainage system, gravity flow internal circulation system.
6 diameter of main body of reactor is 200mm, and the organic glass pipe diameter in internal anaerobic area is 80mm, through overtesting, gear
Plate inserts the deep best of interior circulating effect that flows automatically when being at 100mm apart from top
Anaerobic zone bottom is the spherical surface to raise upward, can prevent gas from entering, and preferably enhances the effect of anaerobism stirring
Meanwhile the construction of anaerobic zone bottom can allow granule sludge therein preferably flow out anaerobic zone, flow simultaneously
Granule sludge out rises under aeration effect along tube wall, inserts under the conditions of through aerobic aeration after a period of time by baffle
Deep distance partially reenters anaerobic zone by muddy water compound that anaerobic zone enters and that part is flowed out by sediment tube, with this
Realize the gravity flow inner cyclic process of aerobic particle mud.
Through overtesting, when built-in precipitating pipe diameter is 40mm, it is easier to which the tube wall side of mud-water separation, built-in sediment tube is viscous
In main body reactor on wall, bottom is the spherical surface to raise upward, can effectively prevent entrained gas in sediment tube, similarly,
The spherical surface to raise upward makes granule sludge be easier to flow out sediment tube, recycles, provides in the lumen for the granule sludge in inner cavity
Good shearing force, so as to form the granule sludge of smooth compact texture.
In addition to this, the design of intake toothing arc channel-shaped, arc slot inner surface are the plane of upward gradient, make to precipitate
The stage of pipe has the characteristics that the small inner space of water inlet is big, is unfavorable for the entrance and the outflow of advantageous granule sludge of gas, similarly
It is designed to enter from anaerobic zone top opening in this way, preferably realizing granule sludge in anaerobic zone bottom, bottom outflow is realized
Circulation in gravity flow.
It is provided with the existence place of granule sludge under environment in three in main body reactor with this, aerobic zone anaerobic zone and heavy
Shallow lake area, so as to improve granule sludge stability and enhance the synchronous denitrification dephosphorizing function of granule sludge, improve water outlet
Water quality.
Water outlet 7 corresponding to drainage system is evenly provided with the distance of 100mm on the reactor body 1 and is taken
8 each nine, sample mouth, water inlet 3-corresponding to water inlet system is a, be arranged multiple purposes be according to reactor sludge concentration and
The effect reasonable arrangement spoil disposal position of water is handled, spoil disposal is carried out from sample tap.
The diameter of the aeration cake 7 is 120, positioned at the side of the intracavity bottom of reactor body 6, the anaerobic zone
On aeration cake top, it is fixed on the wall of reactor.The built-in High-rate sedimentation pipe 1 is located at the other side of inner cavity, fixed
In on the wall of reactor, the horizontal distance of the distance from bottom bound edge aeration cake 7 of built-in High-rate sedimentation pipe is 30mm.It is aerated cake
Surrounding has the bound edge of a height of 5mm, and the aeration direction that can be controlled can be directly entered built-in High-rate sedimentation pipe, shadow to avoid gas
Ring the effect of settling of granule sludge.
This experimental provision gas-liquid cycle is fast, good separating effect, and the generation rate of granule sludge is high, and low energy consumption for processing, and water outlet is steady
Fixed, the life condition that setting anaerobic zone aerobic zone and settling zone increase granule sludge in main body reactor improves processing effect
Rate improves effluent quality and saves occupied area.
- kind of high-efficiency aerobic granule sludge continuous flow reactor, specific work steps are as follows:
(1) sanitary sewage in sanitary sewage water tank 9 is entered by constant current 10 from the top of the anaerobic zone in main reactor 6,
Into anaerobic zone, the anaerobism stirring of a period of time is carried out, muddy water flows out main reaction by the special tectonic of anaerobic zone bottom later
Area carries out aerobic reaction, synchronizes denitrogenation dephosphorizing to sewage by granule sludge, and the muddy water after part mixes later is exposing
Gas rises through at the top of anaerobic zone opening under acting on enters anaerobic zone and completes interior circulation of flowing automatically with this.The mixing of other part muddy water
Liquid sinks to bottom, enters built-in High-rate sedimentation pipe 1 by zigzag arc slot and carries out mud-water separation, the particle of excellent settling proper
Sludge returns to aerobic reactor zone, and treated, and water is discharged by the top overflow of High-rate sedimentation pipe into discharge bay.
(2) nine water outlets and sample tap 2 are respectively set in the two sides of reactor in the present apparatus, according to reactor sludge concentration and place
The effect reasonable arrangement spoil disposal position of water is managed, spoil disposal is carried out from sample tap.
(3) aeration of the present apparatus is supplied by large air compressor, and is monitored in real time by gas flowmeter.
The present invention is run using the following method:
The present apparatus is using sanitary sewage as water inlet, and water quality average value is as follows: COD 300mg/L, TN 30mg/L, pH are
6.5-8.0.Inflow is 72L/d, and seed sludge is the aerobic particle mud of this laboratory cultures, and organic loading is about
1.0kgCOD/(m3·d)
Sanitary sewage is added with peristaltic pump in the reactor, flow of inlet water 2.5L/h is aerated by being aerated cake, is exposed
Tolerance is 1.0-2.0L/min.
By 2 weeks, the culture of aerobic particle mud is completed, integrated continuous flow aerobic granular sludge reactor can stablize fortune
Row.
Through above method continuous operation 60 days, grain diameter in reactor was mainly at 1100 microns or more, sludge SV30
Become 20% from 40%, the sedimentation time is less than 3min, COD and BOD5Removal rate respectively reach 95% and 99%, water outlet TN is small
It is less than 0.4mg/L in 6mg/L, TP.
Experiments have shown that this reactor and operation method are substantially better than the aerobic particle mud method of existing discontinuous flow, sewage
High treating effect, efficiency increase substantially.
Its bottom Fig. 3 is designed to that the radius to raise upward is a part of the spherical surface of 60mm, and the diameter of ball section is 60mm,
The design of intake that tube bottom is contacted with tube wall at bottom edge be 80mm, be highly the zigzag arc slot of 50mm, arc slot inner surface be to
The inclined-plane of upper 45 degree of inclination.Fig. 4 explanation: looking for a point A on tube wall, cuts built-in High-rate sedimentation tube wall along the face ABC, finds A point
Corresponding D point Pipe Cutting wall in the same way removes curved surface ABC and curved surface DBC, the tube bottom of as built-in High-rate sedimentation pipe.
The optimization of the section of High-rate sedimentation pipe built in Fig. 5；A part of the tube wall of built-in High-rate sedimentation pipe is cut to come out and is illustrated,
Because tube wall has certain thickness, when cutting can with laser along the direction of HK, i.e. 45 degree of oblique upper cutting tube wall,
The face cut out is HI JK, advantage possessed by this cutting mode are as follows: the spy that tube bottom opening has the small inner space of mouth big
Point can preferably avoid gas from entering internal High-rate sedimentation pipe, granule sludge is made preferably to flow out sediment tube.
Claims (5)
1. a kind of gravity flow Internal-circulationaerobic aerobic granule sludge continuous flow reactor device, it is characterised in that: reacted including SBR main body
Device, water inlet system, drainage system, aerator, mixing plant；And SBR main body reactor is divided into anaerobic zone, aerobic zone and is sunk
Shallow lake area, the reactor body being adapted to anaerobic zone and settling zone are that a height is hollow organic glass that 1000mm diameter is 180mm
Glass pipe, wherein anaerobic zone and settling zone are built-in removable cylinder type hollow lucite tube；Anaerobic zone lucite tube
Side is sticked to vertically on main reactor wall, and anaerobic zone organic glass pipe diameter is 80mm, and in anaerobic zone, lucite tube is another
Lateral roof is provided with square hole, and a baffle is arranged on the outside；According to the size of the deep-controlled opening of slotting depth of baffle；
Sewage is drawn water from intake pool to SBR main body reactor upper end by peristaltic pump, is intake to anaerobic zone lucite tube, in band
Under vaned blender rotation, downward active force is generated to muddy water, in the case where being stirred to react by anaerobism, muddy water is through anaerobic zone
Bottom construction flows into main body reactor, and into aerobic zone, muddy water rises under the action condition that aerobic zone is aerated, when on muddy water
It is raised to reactor head, is introduced into after overflow port by the opening at the top of anaerobic zone and enters anaerobic zone, gas excludes at top
System；Muddy water flows into aerobic zone through anaerobic zone, then flows into anaerobic zone by aerobic zone, realizes circulation in gravity flow with this；And lead to
The baffle crossed at the top of anaerobic zone inserts the deep open-topped size of control and flows into the amount of anaerobic zone muddy water in turn to control aerobic zone
Circulation degree in control gravity flow；Granule sludge is precipitated in sediment tube, and slides into the main reaction region of main body sbr reactor device
Interior, water outlet then flows into discharge casing along sediment tube water outlet, realizes the separation of liquid and solid.
2. the apparatus according to claim 1, it is characterised in that: and diameter always side-draw is 30mm in the water inlet of anaerobic zone
A length of hollow lucite tube of 100mm, diametrically vertical direction cuts out half arc-shaped slot and is sticked in the lucite tube of anaerobic zone
Side is as overflow port.
3. the apparatus according to claim 1, which is characterized in that anaerobic zone organic glass bottom of the tube construction: first by organic glass
It is 120mm that two sides, which respectively chamfers a bottom edge arc length, before and after glass bottom of the tube, is highly the zigzag arc slot of 80mm, arc slot inner surface is
The inclined-plane of 45 degree of inclination upwards, the water inlet of aerobic zone is flowed to as anaerobic zone；And one is clung below this zigzag arc slot
A radius to raise upward is a part of the spherical surface of 100mm, and the diameter of ball section is 100mm.
4. device according to claim 3, it is characterised in that: built-in precipitating pipe diameter is 40.0mm, is plugged in reactor
On the side wall of main body；The Spherical Bottom of bottom is raised upwardly, is a part of the spherical surface of radius 60.0mm, and the diameter of ball section is
60.0mm, the design of intake that the tube bottom of built-in sediment tube is contacted with tube wall are 80.0mm at bottom edge arc length, are highly 50.0mm
Zigzag arc slot；Arc slot inner surface is the inclined-plane of 45 degree of inclination upwards, and the water inlet of sediment tube is flowed to as anaerobic zone.
5. the apparatus according to claim 1, which is characterized in that it is wide at the top of the lucite tube other side of anaerobic zone to be provided with one
For 10mm, the square aperture of a length of 40mm, and a baffle is set on the outside；According to the big of the deep-controlled opening of slotting depth of baffle
It is small.
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| CN111689576A (en) * | 2020-05-29 | 2020-09-22 | 深圳市万创青绿环境工程有限公司 | Reactor for preparing algae granular sludge and method for culturing algae granular sludge |
| CN113443793A (en) * | 2021-08-06 | 2021-09-28 | 扬州工业职业技术学院 | Device and process for treating organic wastewater by combining pure oxygen strong oxidation contact and deep well A/A/O aeration |
| CN114772732A (en) * | 2022-04-25 | 2022-07-22 | 澳门大学 | Device and method for removing antibiotics in mariculture wastewater |
| CN114772870A (en) * | 2022-05-24 | 2022-07-22 | 湖南五方环境科技研究院有限公司 | Sewage treatment device and method for continuous flow sludge particles with controllable particle sizes |
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| CN104828944A (en) * | 2015-04-16 | 2015-08-12 | 清华大学 | Integrated sewage treatment system and method for hydrolytic-aerobic granular sludge |
| CN108249559A (en) * | 2018-02-07 | 2018-07-06 | 北京工业大学 | The culture operation method of the continuous-flow aerobic granular sludge of sanitary sewage is handled under a kind of room temperature |
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| CN102417268A (en) * | 2010-09-28 | 2012-04-18 | 复旦大学 | Method for efficiently denitriding aerobic granular sludge by combining stepwise water feeding with alternate anaerobic and aerobic treatment |
| CN104828944A (en) * | 2015-04-16 | 2015-08-12 | 清华大学 | Integrated sewage treatment system and method for hydrolytic-aerobic granular sludge |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111689576A (en) * | 2020-05-29 | 2020-09-22 | 深圳市万创青绿环境工程有限公司 | Reactor for preparing algae granular sludge and method for culturing algae granular sludge |
| CN111689576B (en) * | 2020-05-29 | 2022-07-05 | 深圳市万创青绿环境工程有限公司 | Reactor for preparing algae granular sludge and method for culturing algae granular sludge |
| CN113443793A (en) * | 2021-08-06 | 2021-09-28 | 扬州工业职业技术学院 | Device and process for treating organic wastewater by combining pure oxygen strong oxidation contact and deep well A/A/O aeration |
| CN114772732A (en) * | 2022-04-25 | 2022-07-22 | 澳门大学 | Device and method for removing antibiotics in mariculture wastewater |
| CN114772732B (en) * | 2022-04-25 | 2024-04-02 | 澳门大学 | Device and method for removing antibiotics in marine product culture wastewater |
| CN114772870A (en) * | 2022-05-24 | 2022-07-22 | 湖南五方环境科技研究院有限公司 | Sewage treatment device and method for continuous flow sludge particles with controllable particle sizes |
| CN114772870B (en) * | 2022-05-24 | 2023-10-31 | 湖南五方环境科技研究院有限公司 | Sewage treatment device and method for continuous flow particle size controllable sludge particles |
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