CN113929207A - Continuous flow aerobic granular sludge process for sewage treatment - Google Patents
Continuous flow aerobic granular sludge process for sewage treatment Download PDFInfo
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- CN113929207A CN113929207A CN202111234746.5A CN202111234746A CN113929207A CN 113929207 A CN113929207 A CN 113929207A CN 202111234746 A CN202111234746 A CN 202111234746A CN 113929207 A CN113929207 A CN 113929207A
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- aerobic granular
- continuous flow
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- 239000010865 sewage Substances 0.000 title claims abstract description 72
- 239000010802 sludge Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 50
- 235000003642 hunger Nutrition 0.000 claims abstract description 37
- 235000021167 banquet Nutrition 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000005273 aeration Methods 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 230000037351 starvation Effects 0.000 claims description 9
- 239000003153 chemical reaction reagent Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 244000005700 microbiome Species 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 6
- 230000000813 microbial effect Effects 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 238000010907 mechanical stirring Methods 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005276 aerator Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge 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
Abstract
The application relates to a continuous flow aerobic granular sludge process sewage treatment process, which relates to the technical field of sewage treatment and comprises the following steps: s1: pretreating sewage; s2: the sewage flows into the banquet area; s3: the sewage in the feast area flows into the hunger area; s4: and (4) discharging. The method solves the problem that the connection between the intermittent aerobic granular sludge and the main stream biochemical reactor of the sewage plant is limited.
Description
Technical Field
The application relates to the technical field of sewage treatment, in particular to a continuous flow aerobic granular sludge process sewage treatment process.
Background
At present, the improvement of the treatment efficiency of the activated sludge process, the saving of occupied land and energy consumption are important targets which are always pursued in the field of sewage treatment, aerobic granular sludge is firstly cultured in a laboratory in the last 90 th century, the technology of the aerobic granular sludge process is striving to be put into engineering application from the laboratory, and the granulation application of sludge is also promoted from anaerobic granular sludge, intermittent aerobic granular sludge to continuous aerobic granular sludge processes.
Among them, the intermittent aerobic granular sludge process has been widely applied in the world, and its application is greatly limited due to its limited connection with the mainstream biochemical reactor of sewage plant, mainly applied in SBR and its derived reactors.
Aiming at the related technologies, the inventor provides a continuous flow aerobic granular sludge sewage treatment process.
Disclosure of Invention
In order to overcome the defect that the intermittent aerobic granular sludge process has large limitation when being applied, the application provides a continuous flow aerobic granular sludge process sewage treatment process.
The continuous flow aerobic granular sludge process for treating sewage provided by the application adopts the following technical scheme: the method comprises the following steps:
the method comprises the following steps:
s1: pretreating sewage;
s2: the sewage flows into the banquet area;
s3: the sewage in the feast area flows into the hunger area;
s4: and (4) discharging. By adopting the technical scheme, large-particle substances, oils, sands and other substances are removed through pretreatment, so that the substances are prevented from influencing the subsequent sewage treatment; the sewage flows through the feast area and the hunger area in sequence, so that the aerobic particles can remove organic matters and ammonia nitrogen from the sewage in the continuous flow, and simultaneously, the continuous flow sewage treatment device has the functions of denitrification and anaerobic phosphorus removal, can greatly improve the pollutant removal efficiency, saves energy consumption and saves the tank volume.
Optionally, the sewage is pretreated and then split, 1-5% of the split sewage flows into the incubator, the reagent is put into the incubator, and the rest sewage flows into the banquet area.
By adopting the technical scheme, part of the shunted sewage flows into the culture device, the reagent is put into the culture device, the reagent is further proliferated in the culture device by utilizing nutrient substances of raw water, the proliferated microorganisms mainly comprise filamentous bacteria and secrete sticky substances such as extracellular enzymes and the like, and the substances overflow to a feast area along with water flow, so that the microorganisms are supplemented for the aerobic granular sludge treatment process.
Optionally, the banquet zone and the hunger zone are connected in series, a plurality of reactors are arranged in the banquet zone, and the plurality of reactors are connected in series; a plurality of reactors are also arranged in the starvation area and are also connected in series.
By adopting the technical scheme, the feast area and the hunger area are connected in series to form continuous flow, so that the aerobic granular sludge can be continuously cultured in the feast area and the hunger area, the problem of connection between intermittent aerobic granular sludge and a main flow biochemical reactor of a sewage plant is solved, and the market demand of a continuous flow aerobic granular sludge process is widened; the arrangement of a plurality of reactors ensures that the sewage treatment effect is better.
Optionally, an aeration device and a stirring device are arranged in the reactor, and the aeration device is laid at the bottom of the reactor.
By adopting the technical scheme, the aeration device and the stirring device are arranged to ensure that the reactor can be comprehensively stirred, so that the dissolved oxygen in each reactor is enough, the continuity of the aerobic granular sludge process is realized, and the connection between the aerobic granular sludge process and a main flow biochemical reactor of a sewage plant is improved.
Optionally, the aeration intensity of the feast area is 2-4 times that of the hunger area, and the stirring intensity of the hunger area is 2-4 times that of the feast area.
By adopting the technical scheme, the pollutant concentration in the feast area is high, the oxygen demand is large, and therefore aeration needs to be increased and the mechanical stirring strength needs to be reduced; if the oxygen demand in the starvation area is small, aeration needs to be reduced, and the mechanical stirring strength needs to be increased, so that the comprehensive stirring strength in each reactor is kept equivalent.
Optionally, the residence time of the effluent in each of said reactors is the same.
By adopting the technical scheme, the volume of the reactor is defined.
Optionally, a detector is arranged in the reactor at the downstream of the feast area; a detector is also disposed in the reactor downstream of the starvation zone.
By adopting the technical scheme, the dissolved oxygen and the ORP in the two reactors are detected by the detector, and the growth environment of the microorganisms is regulated and controlled by referring to the two parameters.
Optionally, a fluid director is further disposed in each reactor, and the fluid directors in the banquet zone are arranged in a crossed manner.
By adopting the technical scheme, the arrangement of the fluid director ensures that each reactor is provided with water inlet at the lower part and water outlet at the upper part; the flow deflectors are arranged in a crossed manner, so that the inlet water and the outlet water in the reactor are respectively positioned at the opposite angles of the reactor.
Optionally, sewage in the hunger zone flows into the separator, the separator separates out large granule mud (the diameter of large granule mud is 0.5~1.5 mm) of 0.5~1.5mm, and the large granule mud flows back to the feast zone.
By adopting the technical scheme, the large-particle sludge which is rapidly settled is separated out through the separator, the large-particle sludge and the muddy water mixture flow back to the feast area, other sewage flows into the selector, the sludge which is easy to settle flows back to the hunger area through the selector, and the sewage is further treated through the backflow to ensure that the discharged water reaches the standard.
Optionally, the clear liquid at the upper part in the separator is subjected to advanced treatment.
By adopting the technical scheme, pollutants in the clear liquid are further removed, and the discharge standard is reached.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the realization of the continuous flow aerobic granular sludge process solves the problem of limited connection between the intermittent aerobic granular sludge and a main stream biochemical reactor of a sewage plant, and widens the market demand of the continuous flow aerobic granular sludge process;
2. the aerobic granular sludge sewage treatment method can remove organic matters and ammonia nitrogen, has the functions of denitrification and anaerobic phosphorus removal, and can greatly improve the pollutant removal efficiency, save energy consumption and save tank capacity;
3. reactors of the feast area and the hunger area are arranged in series, and from the culture mechanism of the granular sludge, the conditions suitable for aerobic granular sludge culture are created by adjusting the flow state in the continuous flow reactor, and the continuous flow aerobic granular sludge sewage treatment process is realized.
Drawings
Fig. 1 is a schematic flow chart of an embodiment of the present application.
FIG. 2 is a schematic view of the structure of a reactor in the example of the present application.
FIG. 3 is a schematic view of the arrangement of reactors in the examples of the present application.
In the figure, 1, a banquet area; 2. a starvation zone; 3. pre-treating; 4. a culture device; 41. a reagent; 5. a reactor; 51. an aeration device; 52. a stirring device; 53. a fluid director; 6. a detector; 7. a separator; 8. a selector; 9. and (6) performing deep treatment.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a continuous flow aerobic granular sludge process for sewage treatment. A sewage treatment structure by a continuous flow aerobic granular sludge method comprises a feast area 1 and a hunger area 2, wherein the feast area 1 and the hunger area 2 are connected in series, sewage flows in from the upstream of the feast area 1 and flows out from the downstream of the hunger area 2, a plurality of reactors 5 are arranged in the feast area 1, and the reactors 5 are connected in series; the starvation area 2 is also internally provided with a plurality of reactors 5, the reactors 5 are also connected in series, each reactor 5 is internally provided with aerobic granular sludge, each reactor 5 is internally provided with an aeration device 51 and a stirring device 52, and the bottom of each reactor 5 is fully paved with the aeration device 51, so that the dissolved oxygen in each reactor 5 is sufficient, the aerobic granular sludge can be cultured in a continuous flow mode, and the connection between an aerobic granular sludge process and the main flow biochemical reactor 5 of a sewage plant is improved.
Wherein, the stirring device 52 is a hyperboloid stirrer and is used for pushing the water flow in the reactor 5 to flow upwards to form an upper and lower circular flow state; the aeration device 51 is mainly membrane aeration, such as a tubular or disk type microporous aerator. Each reactor 5 is also provided with a fluid director 53, a plurality of fluid directors 53 in the banquet zone 1 are arranged in a crossed manner to ensure that the inlet water and the outlet water in each reactor 5 are respectively positioned at the diagonal positions of the reactors 5, the fluid director 53 is a water passing fluid director 53, and the water in the reactor 5 is guided into the adjacent reactor 5 through the fluid director 53.
The pollutant concentration of the feast area 1 is high, the oxygen demand is big, therefore need increase the aeration, reduce mechanical stirring intensity, the oxygen demand of the hunger area 2 is little, then need reduce the aeration, increase mechanical stirring intensity to set up the aeration intensity of the feast area 1 and be 2~4 times of the hunger area 2, the stirring intensity of the hunger area 2 is 2~4 times of the feast area 1, guarantee that the comprehensive stirring intensity in every reactor 5 is equivalent. The banquet area 1 and the hunger area 2 are arranged side by side to save space.
The detector 6 is arranged in the reactor 5 positioned at the downstream of the feast area 1, the detector 6 is also arranged in the reactor 5 positioned at the downstream of the hunger area 2, the detector 6 can be an online dissolved oxygen detector 6 and an ORP measuring instrument, the dissolved oxygen and the ORP in the two reactors 5 are detected in real time through the detector 6, and the growth environment of the microorganisms is regulated and controlled by referring to the two parameters.
The implementation principle of the application is as follows: the feast area 1 and the hunger area 2 are arranged in series, and during sewage treatment, sewage flows in from the upstream of the feast area 1 and flows out from the downstream of the hunger area 2, so that the continuous flow mode aerobic granular sludge technology is realized, and the connection between the aerobic granular sludge technology and the mainstream biochemical technology of a sewage plant is realized.
The embodiment of the application also discloses a construction process of the sewage treatment structure by the continuous flow aerobic granular sludge method.
The method comprises the following steps:
s1: pretreating the sewage 3 to remove large particles, oils, sands and other substances in the sewage; and (3) shunting after the sewage pretreatment is finished, wherein 1-5% of sewage flows into the incubator 4.
In this embodiment, the incubator 4 may be a microbial growth device, the reagent 41 may be put into the incubator 4, the reagent 41 may be a microbial agent, and the microbial agent may be put into the microbial growth device so that the microbial agent is further grown in the microbial growth device by using nutrients of raw water, and the grown microbes mainly include filamentous bacteria and also secrete a viscous substance such as an extracellular enzyme.
S2: the residual sewage flows into the feast area 1; meanwhile, the microorganisms in the microorganism breeder overflow to the feast area 1 along with the water flow and flow into the reactor 5 close to the water inlet, and the microorganisms are provided for the aerobic granular sludge treatment process through the substances.
S2: the sewage in the feast area 1 flows into the hunger area 2; the feast area 1 and the hunger area 2 are connected in series to realize the continuity of the aerobic granular sludge process, so that the aerobic granules can carry out the treatment of removing organic matters and ammonia nitrogen in the sewage in the continuous flow, and simultaneously have the functions of denitrification and anaerobic phosphorus removal, thereby greatly improving the pollutant removal efficiency, saving the energy consumption and saving the tank capacity; the residence time of the effluent in the plurality of reactors 5 in the banquet zone 1 and the famine zone 2 is the same such that the size of each reactor 5 is defined by the residence time of the effluent.
The wastewater in the starvation zone 2 flows into a separator 7; the separator 7 is a sludge-water separator 7, large-particle sludge (the diameter of the large-particle sludge is 0.5-1.5 mm) in the sewage is rapidly separated by the sludge-water separator 7, the part of the large-particle sludge accounts for 30-60% of the total sewage, and the part of the large-particle sludge and sludge-water mixture flows back to the reactor 5 at the upstream of the feast area 1, so that the part of the large-particle sludge and sludge-water mixture is subjected to aerobic particle sludge treatment again; the remaining other sewage flows into the selector 8.
The selector 8 is set as a sludge selector 8, and the sludge selector 8 is used for further screening easily-settled sludge (the density of the easily-settled sludge is 1.03-1.05 kg/L) and light sludge (the density of the light sludge is 1.01-1.03 kg/L) in the sewage, wherein the easily-settled sludge flows back to the reactor 5 close to the feast area 1 in the starvation area 2, and other light sludge is discharged.
The supernatant in the upper part of the separator 7 is subjected to an advanced treatment 9 to further remove the target contaminants.
S4: and finishing sewage treatment and discharging water.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A continuous flow aerobic granular sludge process for sewage treatment is characterized in that: the method comprises the following steps:
s1: pretreating the sewage (3);
s2: sewage flows into the banquet area (1);
s3: the sewage in the feast area (1) flows into the hunger area (2);
s4: and (4) discharging.
2. The continuous flow aerobic granular sludge process sewage treatment process of claim 1, wherein: the method comprises the steps of pretreating (3) sewage, then shunting, enabling 1-5% of the shunted sewage to flow into a culture device (4), putting a reagent (41) into the culture device (4), and enabling the rest sewage to flow into a feast area (1).
3. The continuous flow aerobic granular sludge process sewage treatment process of claim 1, wherein: the banquet area (1) and the hunger area (2) are connected in series, a plurality of reactors (5) are arranged in the banquet area (1), and the reactors (5) are connected in series; a plurality of reactors (5) are also arranged in the starvation area (2), and the reactors (5) are also connected in series.
4. The continuous flow aerobic granular sludge process of sewage treatment of claim 3, wherein: an aeration device (51) and a stirring device (52) are arranged in the reactor (5), and the aeration device (51) is paved at the bottom of the reactor (5).
5. The continuous flow aerobic granular sludge process of sewage treatment of claim 4, wherein: the aeration intensity of the feast area (1) is 2-4 times of that of the hunger area (2), and the stirring intensity of the hunger area (2) is 2-4 times of that of the feast area (1).
6. The continuous flow aerobic granular sludge process of sewage treatment of claim 3, wherein: the sewage stays in each reactor (5) for the same time.
7. The continuous flow aerobic granular sludge process of sewage treatment of claim 3, wherein: a detector (6) is arranged in the reactor (5) positioned at the downstream of the banquet zone (1); a detector (6) is also arranged in the reactor (5) downstream of the starvation zone (2).
8. The continuous flow aerobic granular sludge process of sewage treatment of claim 3, wherein: each reactor (5) is also internally provided with a fluid director (53), and the fluid directors (53) positioned in the banquet area (1) are arranged in a crossed manner.
9. The continuous flow aerobic granular sludge process sewage treatment process of claim 1, wherein: the sewage in the hunger zone (2) flows into the separator (7), the separator (7) separates out large-particle sludge (the diameter of the large-particle sludge is 0.5-1.5 mm) with the diameter of 0.5-1.5 mm, and the large-particle sludge flows back to the feast zone (1).
10. The process of claim 9, wherein the aerobic granular sludge process comprises: the clear liquid at the upper part of the separator (7) is subjected to an advanced treatment (9).
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CN202111234746.5A CN113929207A (en) | 2021-10-22 | 2021-10-22 | Continuous flow aerobic granular sludge process for sewage treatment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115259355A (en) * | 2022-07-14 | 2022-11-01 | 清研环境科技股份有限公司 | Continuous aerobic granular sludge screening process and device for same |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030159991A1 (en) * | 2002-02-22 | 2003-08-28 | Joo Hwa Tay | Aerobic biomass granules for waste water treatment |
JP2007136369A (en) * | 2005-11-18 | 2007-06-07 | Sumitomo Heavy Ind Ltd | Apparatus and method for biologically treating drainage |
CN109133337A (en) * | 2018-10-24 | 2019-01-04 | 华北水利水电大学 | A kind of continuous-flow aerobic granular sludge culture and culture and the acclimation method for preparing reaction unit and aerobic particle mud |
EP3757074A1 (en) * | 2019-06-26 | 2020-12-30 | Fundación Centro Gallego de Investigaciones del Agua | A method for removing nitrogen from wastewater in a sequencing batch reactor with an aerobic granular biomass |
CN112897685A (en) * | 2021-01-25 | 2021-06-04 | 北京工业大学 | Continuous flow reactor device for promoting rapid formation of aerobic granular sludge and operation method |
CN216614162U (en) * | 2021-10-22 | 2022-05-27 | 北京博汇特环保科技股份有限公司 | Continuous flow aerobic granular sludge process sewage treatment structure |
-
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- 2021-10-22 CN CN202111234746.5A patent/CN113929207A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030159991A1 (en) * | 2002-02-22 | 2003-08-28 | Joo Hwa Tay | Aerobic biomass granules for waste water treatment |
JP2007136369A (en) * | 2005-11-18 | 2007-06-07 | Sumitomo Heavy Ind Ltd | Apparatus and method for biologically treating drainage |
CN109133337A (en) * | 2018-10-24 | 2019-01-04 | 华北水利水电大学 | A kind of continuous-flow aerobic granular sludge culture and culture and the acclimation method for preparing reaction unit and aerobic particle mud |
EP3757074A1 (en) * | 2019-06-26 | 2020-12-30 | Fundación Centro Gallego de Investigaciones del Agua | A method for removing nitrogen from wastewater in a sequencing batch reactor with an aerobic granular biomass |
CN112897685A (en) * | 2021-01-25 | 2021-06-04 | 北京工业大学 | Continuous flow reactor device for promoting rapid formation of aerobic granular sludge and operation method |
CN216614162U (en) * | 2021-10-22 | 2022-05-27 | 北京博汇特环保科技股份有限公司 | Continuous flow aerobic granular sludge process sewage treatment structure |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115259355A (en) * | 2022-07-14 | 2022-11-01 | 清研环境科技股份有限公司 | Continuous aerobic granular sludge screening process and device for same |
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