CN114105295B - Continuous flow sewage mixture treatment system and method - Google Patents
Continuous flow sewage mixture treatment system and method Download PDFInfo
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- CN114105295B CN114105295B CN202111281098.9A CN202111281098A CN114105295B CN 114105295 B CN114105295 B CN 114105295B CN 202111281098 A CN202111281098 A CN 202111281098A CN 114105295 B CN114105295 B CN 114105295B
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- 239000000203 mixture Substances 0.000 title claims abstract description 128
- 239000010865 sewage Substances 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 116
- 238000000926 separation method Methods 0.000 claims abstract description 92
- 239000010802 sludge Substances 0.000 claims abstract description 58
- 238000012163 sequencing technique Methods 0.000 claims abstract description 51
- 238000005842 biochemical reaction Methods 0.000 claims abstract description 29
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 17
- 231100000719 pollutant Toxicity 0.000 claims abstract description 17
- 238000001556 precipitation Methods 0.000 claims description 15
- 238000004062 sedimentation Methods 0.000 claims description 11
- 239000002351 wastewater Substances 0.000 claims description 6
- 208000005156 Dehydration Diseases 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 2
- 238000007781 pre-processing Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000012216 screening Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention provides a continuous flow sewage mixture treatment system and a method, wherein the system comprises the following components: at least two sequencing batch water inlet mixing tanks, wherein each mixing tank in the at least two sequencing batch water inlet mixing tanks is used for treating the sewage mixture entering the mixing tank to obtain a treated sewage mixture; the biochemical reaction tank is communicated with the at least two sequencing batch water inlet mixing tanks and is used for removing pollutants from the treated sewage mixture to obtain a mud-water mixture; and the separation tank is communicated with the biochemical reaction tank and is used for carrying out mud-water separation treatment on the mud-water mixture to obtain target granular sludge and a separation result. According to the scheme provided by the invention, the target granular sludge is obtained through the sequencing batch water inlet mixing tanks, the biochemical reaction tanks and the separation tanks, so that the sewage treatment efficiency is improved, and the manual operation complexity and the operation and maintenance cost are reduced.
Description
Technical Field
The invention relates to the technical field of sludge and sewage treatment, in particular to a continuous flow sewage mixture treatment system and a continuous flow sewage mixture treatment method.
Background
The existing mainstream sewage biological treatment technology is mainly a flocculent activated sludge method, wherein flocculent activated sludge is relatively loose floccules formed by various microorganisms with different functions; the aim of denitrification and dephosphorization and removing organic matters is fulfilled under different environments such as anaerobic, anoxic, aerobic and the like by the self-metabolism of microorganisms. The main disadvantages of the flocculent activated sludge technology are that the sludge is loose, so that the sedimentation performance is poor, the loss is easy, the impact resistance is poor, the treatment efficiency per unit volume is low, the occupied area is large, and the operation energy consumption is high.
At present, a sequencing batch reactor is adopted for research and application of an aerobic granular sludge technology. The sequencing batch reactor adopts an intermittent operation mode, has the defects of high equipment starting frequency and automation degree requirement, high operation and maintenance level requirement, large effluent fluctuation, no contribution to the operation of subsequent advanced treatment equipment and the like, limits the application scene of the aerobic granular sludge technology, and has the advantages of high equipment and instrument quantity and high automation requirement; the operation and maintenance are complex, and the requirement on operators is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing a continuous flow sewage mixture treatment system and a continuous flow sewage mixture treatment method, so as to reduce the complexity of operation and maintenance of a reactor in the existing scheme and reduce the operation and use cost.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a continuous flow sewage mixture treatment system, the system comprising:
at least two sequencing batch water inlet mixing tanks, wherein each mixing tank in the at least two sequencing batch water inlet mixing tanks is used for treating the sewage mixture entering the mixing tank to obtain a treated sewage mixture;
the biochemical reaction tank is communicated with the at least two sequencing batch water inlet mixing tanks and is used for removing pollutants from the treated sewage mixture to obtain a mud-water mixture;
and the separation tank is communicated with the biochemical reaction tank and is used for carrying out mud-water separation treatment on the mud-water mixture to obtain target granular sludge and a separation result.
Optionally, the method further comprises: a grit chamber and a sludge treatment unit;
the grit chamber is communicated with the at least two sequencing batch water inlet mixing tanks and is used for pretreating the sludge and sewage and conveying the pretreated sludge and sewage to the at least two sequencing batch water inlet mixing tanks;
the sludge treatment unit is communicated with the separation tank and is used for carrying out dehydration treatment on the target separation result.
Optionally, each mixing tank in the at least two sequencing batch inflow mixing tanks performs precipitation treatment on the sewage mixture entering the mixing tank within a preset time; and conveying the sewage mixture after the precipitation treatment to the biochemical reaction tank.
Optionally, the at least two sequencing batch water inlet mixing tanks alternately inlet water, and each mixing tank of the at least two sequencing batch water inlet mixing tanks adopts a sequencing batch operation mode.
Optionally, the biochemical reaction tank includes: an anaerobic tank, an anoxic tank and an aerobic tank;
the anaerobic tank, the anoxic tank and the aerobic tank are connected in sequence;
the anaerobic tank is communicated with the at least two sequencing batch water inlet mixing tanks;
the aerobic tank is communicated with the separation tank;
and performing denitrification and dephosphorization treatment on the treated sewage mixture through the anaerobic tank, the anoxic tank and the aerobic tank to obtain a treated mud-water mixture.
Optionally, the separation tank includes:
a primary separation tank and a secondary separation tank communicated with the primary separation tank;
the first-stage separation tank performs first separation treatment on the mud-water mixture to obtain a first separated mud-water mixture and granular sludge; performing secondary separation treatment on a part of the mud-water mixture in the first separation mud-water mixture through the secondary separation tank to obtain a target separation result;
and the other part of the mud-water mixture in the first separated mud-water mixture flows back to the anoxic tank for denitrification treatment.
Optionally, the primary separation tank returns the granular sludge to the at least two sequencing batch water inlet mixing tanks for secondary precipitation, and subsequent steps are sequentially carried out to obtain the target granular sludge.
Optionally, the first-stage separation tank and the second-stage separation tank are both separated by gravity sedimentation or centrifugal force.
The invention also provides a continuous flow sewage mixture treatment method which is applied to the treatment system, and the method comprises the following steps:
s1, carrying out impurity and gravel removal pretreatment on a sewage mixture to obtain a pretreated sewage mixture;
s2, the pretreated sewage mixture enters at least two sequencing batch water inlet mixing tanks for treatment to obtain a treated sewage mixture;
s3, the treated sewage mixture enters a biochemical reaction tank for pollutant removal treatment to obtain a mud-water mixture;
s4, performing mud-water separation treatment on the mud-water mixture in a separation tank to obtain target granular sludge and a separation result.
Optionally, the treated sewage mixture enters a biochemical reaction tank for pollutant removal treatment to obtain a mud-water mixture, which comprises the following steps:
the treated sewage mixture sequentially passes through an anaerobic tank, an anoxic tank and an aerobic tank to be subjected to denitrification and dephosphorization treatment, so that the treated mud-water mixture is obtained.
The scheme of the invention at least comprises the following beneficial effects:
according to the scheme, by utilizing two or more sequencing batch water inlet mixing tanks, the continuity of water inlet and water outlet is realized through alternate water inlet, and meanwhile, the characteristic of continuous flow reaction of the whole system is ensured; after the reaction in the biochemical tank, the sludge is screened through the separation function of the separation tank, the target granular sludge is finally obtained, the sewage treatment efficiency is improved, and the final separation purpose is achieved.
Drawings
FIG. 1 is a diagram of a continuous flow sewage mixture treatment system provided by an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention proposes a continuous flow sewage mixture treatment system, the system comprising:
at least two sequencing batch water inlet mixing tanks, wherein each mixing tank in the at least two sequencing batch water inlet mixing tanks is used for treating the sewage mixture entering the mixing tank to obtain a treated sewage mixture;
the biochemical reaction tank is communicated with the at least two sequencing batch water inlet mixing tanks and is used for removing pollutants from the treated sewage mixture to obtain a mud-water mixture;
and the separation tank is communicated with the biochemical reaction tank and is used for carrying out mud-water separation treatment on the mud-water mixture to obtain target granular sludge and a separation result.
In this embodiment, the at least two sequencing batch water inlet mixing tanks, the biochemical reaction tank and the separation tank are sequentially communicated, so that the normal operation of the whole system is ensured; the sewage mixture enters the at least two sequencing batch water inlet mixing tanks and is subjected to precipitation treatment, and the first pre-screening is carried out on sludge particles in the sewage mixture; conveying the treated mud-water mixture to the biochemical reaction tank for pollutant removal treatment, and finally separating the mud-water mixture from which the pollutants are removed by the separation tank to obtain final target granular sludge and a separation result; the whole system has the advantages of less equipment quantity, simple operation and maintenance, capability of effectively reducing the occupied area of the equipment, reduction of operation cost and complexity of manual operation, and wider application scene.
In an alternative embodiment of the present invention, the continuous flow sewage mixture treatment system further comprises: a grit chamber and a sludge treatment unit; the sand setting tank is communicated with the at least two sequencing batch water inlet mixing tanks and is used for preprocessing the sewage mixture and conveying the preprocessed sewage mixture to the at least two sequencing batch water inlet mixing tanks; the sludge treatment unit is communicated with the separation tank and is used for carrying out dehydration treatment on the target separation result.
In the embodiment, the grit chamber pretreats the sewage mixture entering the system through the coarse and fine grids, and mainly removes larger impurities and gravel so as to facilitate the smooth proceeding of the subsequent steps; and the sludge treatment unit is used for carrying out dehydration treatment on the sludge obtained after the separation treatment.
In an alternative embodiment of the present invention, each of the at least two sequencing batch inflow mixing tanks performs precipitation treatment on the sewage mixture entering the mixing tank within a preset time; and conveying the sewage mixture after the precipitation treatment to the biochemical reaction tank.
In this embodiment, each mixing tank among the at least two sequencing batch inflow mixing tanks sequentially completes four steps of sludge backflow, precipitation, water inflow and emptying, and sewage mixture entering the mixing tank is subjected to static precipitation treatment within a preset time, so that the water outflow hydraulic fluctuation is ensured to be small, and meanwhile, the sedimentation effect is better.
Furthermore, the at least two sequencing batch water inlet mixing tanks alternately inlet water to ensure the continuity of water inlet and water outlet of the whole system, and each mixing tank in the at least two sequencing batch water inlet mixing tanks adopts a sequencing batch operation mode, so that the operation and the disposal of residual sludge are simple; the water outlet effect is good because of static precipitation.
In an alternative embodiment of the present invention, the biochemical reaction tank includes: an anaerobic tank, an anoxic tank and an aerobic tank; the anaerobic tank, the anoxic tank and the aerobic tank are connected in sequence; the anaerobic tank is communicated with the at least two sequencing batch water inlet mixing tanks; the aerobic tank is communicated with the separation tank; and performing denitrification and dephosphorization treatment on the treated sewage mixture through the anaerobic tank, the anoxic tank and the aerobic tank to obtain a treated mud-water mixture.
In this embodiment, the anaerobic tank, the anoxic tank and the aerobic tank are sequentially connected, and the sewage mixture precipitated by the sequencing batch water inlet mixing tank sequentially passes through the anaerobic tank, the anoxic tank and the aerobic tank for biochemical reaction, so that pollutants in the sewage mixture can be effectively removed;
the biochemical reaction tank mainly carries out denitrification and dephosphorization reaction, preferably, the anaerobic tank carries out denitrification reaction, and the anoxic tank further carries out denitrification reaction on the sewage mixture treated by the anaerobic tank, so that the denitrification reaction can be ensured to be complete, and the pollutant removal efficiency is improved; the aerobic tank carries out nitration reaction, so that pollutants in the sewage mixture are effectively removed, and the treatment efficiency is improved.
In an alternative embodiment of the present invention, the separation tank includes:
a primary separation tank and a secondary separation tank communicated with the primary separation tank;
the first-stage separation tank performs first separation treatment on the mud-water mixture to obtain a first separated mud-water mixture and granular sludge, wherein:
performing secondary separation treatment on a part of the mud-water mixture in the first separation mud-water mixture through the secondary separation tank to obtain a target separation result;
and the other part of the mud-water mixture in the first separated mud-water mixture flows back to the anoxic tank for denitrification treatment.
In the embodiment, the mud-water mixture after biochemical reaction enters the separation tank, firstly enters the primary separation tank for separation, granular sludge with good sedimentation performance and a first separation mud-water mixture are separated by the primary separation tank, and a part of mud-water mixture in the first separation mud-water mixture is counted into the secondary separation tank for secondary separation; after secondary separation, separating out sludge with poor sedimentation performance in water, sending the sludge to a sludge treatment unit for dehydration treatment, and returning the other part of sludge-water mixture to the anoxic tank for denitrification treatment to further remove pollutants; meanwhile, in the process of refluxing another part of the mud-water mixture, the reflux amount of the mud-water mixture is controlled, so that the screening pressure during separation treatment of the separation tank can be flexibly adjusted, and the screening strength can be increased or reduced according to the granularity degree of the granular sludge in the process of culturing the granular sludge, so as to obtain better target granular sludge.
In an alternative embodiment of the present invention, the first-stage separation tank returns the separated granular sludge to the at least two sequencing batch inlet water mixing tanks for secondary precipitation, and the subsequent steps are sequentially performed to obtain the target granular sludge.
In this embodiment, when the granular sludge flows back to the at least two sequencing batch inflow mixing tanks, the mixing tanks are simultaneously inputting a sludge-water mixture, and at this time, the granular sludge flowing back to the mixing tanks is fully mixed and contacted with the sludge-water mixture entering the mixing tanks, so as to provide original environmental conditions for the formation of sludge particles; sequentially carrying out steps such as precipitation, emptying and the like on the granular sludge after mixed contact, and re-entering the subsequent biochemical reaction tank and the separation tank; and the sludge is separated by the primary separation tank and then returned to the sequencing batch water inlet mixing tank again, so that granular sludge with good sedimentation performance is further obtained; in practical application, the granular sludge is mixed with the water in the mixing tank, the subsequent steps of precipitation, biochemical reaction, separation and the like are sequentially completed, and the steps are repeatedly performed in the system until the target granular sludge with good compact sedimentation performance is obtained and is reserved in the system, and the sewage sludge entering the system is treated.
An alternative embodiment of the present invention also provides a continuous flow wastewater mixture treatment method applied to the treatment system described in the above embodiment, the method comprising the steps of:
s1, carrying out impurity and gravel removal pretreatment on a sewage mixture to obtain a pretreated sewage mixture;
s2, the pretreated sewage mixture enters at least two sequencing batch water inlet mixing tanks for treatment to obtain a treated sewage mixture;
s3, the treated sewage mixture enters a biochemical reaction tank for pollutant removal treatment to obtain a mud-water mixture;
and S4, performing mud-water separation treatment on the mud-water mixture in a separation tank to obtain target granular sludge and a separation result.
Further, the treated sewage mixture enters a biochemical reaction tank for pollutant removal treatment to obtain a mud-water mixture, which comprises the following steps:
step S31, the treated sewage mixture sequentially passes through an anaerobic tank, an anoxic tank and an aerobic tank to be subjected to denitrification and dephosphorization treatment, so as to obtain the treated mud-water mixture.
The method of the embodiment is applied to the treatment system of the embodiment, and the method is used for carrying out sedimentation, biochemical pollutant removal reaction and separation treatment on the sewage mixture sequentially through a sequencing batch inlet water mixing tank, a biochemical reaction tank and a separation tank, so that granular sludge with good compact sedimentation performance can be formed, and separation treatment on sewage and sewage is realized; meanwhile, compared with the existing sludge sewage treatment method, the method has the advantages of high treatment efficiency, less equipment and instruments, simpler operation, small hydraulic fluctuation of system water outlet and stronger shock resistance.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (8)
1. A continuous flow sewage mixture treatment system, the system comprising:
at least two sequencing batch water inlet mixing tanks, wherein each mixing tank in the at least two sequencing batch water inlet mixing tanks processes the sewage mixture entering the mixing tank to obtain a processed sewage mixture, and each mixing tank in the at least two sequencing batch water inlet mixing tanks sequentially completes four steps of sludge backflow, precipitation, water inlet and emptying; each mixing tank in the at least two sequencing batch water inlet mixing tanks carries out sedimentation treatment on the sewage mixture entering the mixing tank within a preset time; delivering the sewage mixture after the precipitation treatment to a biochemical reaction tank; the at least two sequencing batch water inlet mixing tanks alternately inlet water, and each mixing tank in the at least two sequencing batch water inlet mixing tanks adopts a sequencing batch operation mode;
the biochemical reaction tank is communicated with the at least two sequencing batch water inlet mixing tanks and is used for removing pollutants from the treated sewage mixture to obtain a mud-water mixture;
and the separation tank is communicated with the biochemical reaction tank and is used for carrying out mud-water separation treatment on the mud-water mixture to obtain target granular sludge and a separation result.
2. The continuous flow wastewater mixture treatment system of claim 1, further comprising: a grit chamber and a sludge treatment unit;
the sand setting tank is communicated with the at least two sequencing batch water inlet mixing tanks and is used for preprocessing the sewage mixture and conveying the preprocessed sewage mixture to the at least two sequencing batch water inlet mixing tanks;
the sludge treatment unit is communicated with the separation tank and is used for carrying out dehydration treatment on the target separation result.
3. The continuous flow wastewater mixture processing system of claim 1 wherein the biochemical reaction cell comprises: an anaerobic tank, an anoxic tank and an aerobic tank;
the anaerobic tank, the anoxic tank and the aerobic tank are connected in sequence;
the anaerobic tank is communicated with the at least two sequencing batch water inlet mixing tanks;
the aerobic tank is communicated with the separation tank;
and performing denitrification and dephosphorization treatment on the treated sewage mixture through the anaerobic tank, the anoxic tank and the aerobic tank to obtain a treated mud-water mixture.
4. The continuous flow wastewater mixture processing system of claim 3 wherein said separation cell comprises:
a primary separation tank and a secondary separation tank communicated with the primary separation tank;
the first-stage separation tank performs first separation treatment on the mud-water mixture to obtain a first separated mud-water mixture and granular sludge; performing secondary separation treatment on a part of the mud-water mixture in the first separation mud-water mixture through the secondary separation tank to obtain a target separation result;
and the other part of the mud-water mixture in the first separated mud-water mixture flows back to the anoxic tank for denitrification treatment.
5. The continuous flow sewage mixture treatment system of claim 4, wherein the primary separation tank returns the granular sludge to the at least two sequencing batch inlet water mixing tanks for secondary precipitation, and further steps are sequentially performed to obtain the target granular sludge.
6. The continuous flow wastewater mixture processing system of claim 4, wherein the primary separation tank and the secondary separation tank are separated by gravity sedimentation or centrifugal force.
7. A continuous flow wastewater mixture treatment process for use in a treatment system according to any one of claims 1-6, said process comprising the steps of:
s1, carrying out impurity and gravel removal pretreatment on a sewage mixture to obtain a pretreated sewage mixture;
s2, the pretreated sewage mixture enters at least two sequencing batch water inlet mixing tanks for treatment to obtain a treated sewage mixture;
s3, the treated sewage mixture enters a biochemical reaction tank for pollutant removal treatment to obtain a mud-water mixture;
s4, performing mud-water separation treatment on the mud-water mixture in a separation tank to obtain target granular sludge and a separation result.
8. The method for treating a continuous flow sewage mixture according to claim 7, wherein the treated sewage mixture enters a biochemical reaction tank for pollutant removal treatment to obtain a mud-water mixture, and the method comprises the following steps:
the treated sewage mixture sequentially passes through an anaerobic tank, an anoxic tank and an aerobic tank to be subjected to denitrification and dephosphorization treatment, so that the treated mud-water mixture is obtained.
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| CN114105295B true CN114105295B (en) | 2024-01-16 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020091723A (en) * | 2001-05-31 | 2002-12-06 | 아태수기엔지니어링 주식회사 | Waste water disposal method by continuos inflow Sequencing Bath Reactor and its apparatus |
| CN102765857A (en) * | 2012-08-06 | 2012-11-07 | 上海电力学院 | Sewage treatment system and application thereof |
| CN106242042A (en) * | 2016-08-17 | 2016-12-21 | 周敉 | Utilize the method that sequencing batch reactor maintains high-concentration activated sludge |
| CN212451091U (en) * | 2020-08-07 | 2021-02-02 | 中国电建集团江西省电力建设有限公司 | Wastewater treatment system based on MSBR (moving biofilm reactor) process |
| CN212833333U (en) * | 2020-07-24 | 2021-03-30 | 山东明化新材料有限公司 | Combined sewage treatment device |
-
2021
- 2021-11-01 CN CN202111281098.9A patent/CN114105295B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020091723A (en) * | 2001-05-31 | 2002-12-06 | 아태수기엔지니어링 주식회사 | Waste water disposal method by continuos inflow Sequencing Bath Reactor and its apparatus |
| CN102765857A (en) * | 2012-08-06 | 2012-11-07 | 上海电力学院 | Sewage treatment system and application thereof |
| CN106242042A (en) * | 2016-08-17 | 2016-12-21 | 周敉 | Utilize the method that sequencing batch reactor maintains high-concentration activated sludge |
| CN212833333U (en) * | 2020-07-24 | 2021-03-30 | 山东明化新材料有限公司 | Combined sewage treatment device |
| CN212451091U (en) * | 2020-08-07 | 2021-02-02 | 中国电建集团江西省电力建设有限公司 | Wastewater treatment system based on MSBR (moving biofilm reactor) process |
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