CN104402164A - Integrated processing system and method thereof for sewage - Google Patents
Integrated processing system and method thereof for sewage Download PDFInfo
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- CN104402164A CN104402164A CN201410514778.4A CN201410514778A CN104402164A CN 104402164 A CN104402164 A CN 104402164A CN 201410514778 A CN201410514778 A CN 201410514778A CN 104402164 A CN104402164 A CN 104402164A
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- biochemistry pool
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- sewage
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- 239000010865 sewage Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 23
- 239000010802 sludge Substances 0.000 claims abstract description 35
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 16
- 239000001301 oxygen Substances 0.000 claims description 16
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- 241000894006 Bacteria Species 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 11
- 239000011259 mixed solution Substances 0.000 claims description 11
- 239000006228 supernatant Substances 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 239000005446 dissolved organic matter Substances 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 238000004176 ammonification Methods 0.000 claims description 3
- 230000001651 autotrophic effect Effects 0.000 claims description 3
- 235000014633 carbohydrates Nutrition 0.000 claims description 3
- 150000001720 carbohydrates Chemical class 0.000 claims description 3
- 239000000356 contaminant Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 230000000968 intestinal effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 150000007524 organic acids Chemical class 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 102000004169 proteins and genes Human genes 0.000 claims description 3
- 108090000623 proteins and genes Proteins 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 abstract description 5
- 230000008021 deposition Effects 0.000 abstract 4
- 238000001914 filtration Methods 0.000 abstract 1
- 238000003672 processing method Methods 0.000 abstract 1
- 230000000813 microbial effect Effects 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 238000005273 aeration Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 241000700141 Rotifera Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses an integrated processing system for sewage, which comprises a first biochemistry pool, a second biochemistry pool, a sedimentation basin, a filtering pot, a deposition pond and a control chamber, an ultraviolet ray disinfection apparatus and a blower fan are arranged in the control chamber, the first biochemistry pool and the second biochemistry pool are communicated through a weir plate, the blower fan is communicated to the first biochemistry pool and the second biochemistry pool through a supply air duct, the second biochemistry pool is communicated to the sedimentation basin, an arc baffle plate connected to the inner wall of the second biochemistry pool is arranged on one end of the second biochemistry pool close to the sedimentation basin, the arc baffle plate and the inner wall of the second biochemistry pool form a deposition chamber, a flow deflector is arranged at lower part of the deposition chamber, and the lower part of the flow deflector is connected to the deposition pond through a sludge pipeline. The invention also discloses an integrated processing method for the sewage.
Description
Technical field
The present invention relates to wastewater biochemical process field, particularly relate to a kind of sewerage integrated processing system and method.
Background technology
Existing sewage water treatment method is generally anaerobic-aerobic Process and contact oxidation method.Wherein, anaerobic-aerobic Process owing to not having independently sludge recirculation system, thus can not turn out the mud with unique function, and the degradation rate of hard-degraded substance is lower; To improve nitric efficiency, must nitrate recirculation ratio be strengthened, thus strengthen working cost.In addition, internal recycle liquid is from aeration tank, and containing certain DO, make A section be difficult to keep desirable anoxic condition, affect denitrification effect, denitrification percent is difficult to reach 90%; In addition, this method is subject to hydraulic detention time (nitrated >6h, denitrification <2h), sludge concentration MLSS(>3000mg/L), sludge age (>30d), N/MLSS rate of load condensate (<0.03) and water inlet total nitrogen concentration (<30mg/L) impact excessive.
Microbial film reserves on contact oxidation method filler look BOD loading and different; Microbial film can only self falling, and excess sludge is not easily drained, and is trapped between filtrate and easily causes water quality deterioration, affect treatment effect; When adopting honeycomb filler, if load is too high, then microbial film is thicker, easily blocks filler; A large amount of generation metazoan (as rotifers); The contact filler of combination shape affects aeration and stirring sometimes.
The integrated sewage treating apparatus of above-mentioned two kinds of manufacture technics is in the little water yield (the day process water yield≤60m3) sewage works actual motion, after all there is automatic operating, standard water discharge rate is on the low side, the former easy active sludge runs off, and there are two cover return-flow systems, the latter is without separate reflowed system, limited to the clearance of nitrogen phosphorus, easily cause water outlet not up to standard when technical force is not enough, although and have AO contact oxidation method integrated sewage treating apparatus at present, internal structure invent therewith have at key position completely different.
Summary of the invention
Based on this, for the problems referred to above, be necessary to propose a kind of advantage combining anaerobic-aerobic Process and Biological Contact Oxidation Process, both solved active sludge and run off, removal efficiency of nitrogen and phosphorus is low, solves again the sewerage integrated processing system and method that do not have return-flow system problem.
Technical scheme of the present invention is: a kind of sewerage integrated processing system, comprise the first biochemistry pool, second biochemistry pool, settling tank, hay tank, between sludge sump and control, between described control, inside is provided with apparatus for ultraviolet disinfection and blower fan, described first biochemistry pool is communicated with by weir board with the second biochemistry pool, described blower fan is communicated with the second biochemistry pool with the first biochemistry pool by air supply duct, described second biochemistry pool is communicated with settling tank, one end near settling tank in second biochemistry pool is provided with the curved baffle be connected with the second biochemistry pool inner wall sealing, the inwall of described curved baffle and the second biochemistry pool forms settling chamber, flow deflector is provided with below described settling chamber, be connected with described sludge sump by sludge pipe below described flow deflector, described settling tank is communicated with hay tank, be communicated with sludge sump with the first biochemistry pool respectively with sludge pipe by reflux line below settling tank, described hay tank is connected with the fluid inlet of apparatus for ultraviolet disinfection by sewer line.
Wherein in an embodiment, described first biochemistry pool, the second biochemistry pool inner bottom surface are evenly provided with blast inlet, and described blast inlet is all communicated with described air supply duct.
Wherein in an embodiment, the liquid outlet of described apparatus for ultraviolet disinfection is by drain pipe and ft connection.
Solve the problems of the technologies described above, present invention also offers a kind of sewerage integrated treatment process, comprise the following steps:
Choose dissolved oxygen in pond and be not more than 0.2mg/L as the first biochemistry pool;
To choose in pond dissolved oxygen between 2 ~ 4mg/L as the second biochemistry pool;
Sewage is sent into the first biochemistry pool, heterotrophic bacterium in first biochemistry pool is by the starch in sewage, fiber, the suspended contaminant such as carbohydrate and dissolved organic matter are hydrolyzed to organic acid, larger molecular organics is resolved into small organic molecule, insoluble organism is changed into dissolved organic matter, by the protein in sewage, fat waits pollutent ammonification to dissociate ammonia, under sufficient oxygen supply condition, NH3-N and NH4+ is oxidized to NO3-by the nitrification of the autotrophic bacteria in the first biochemistry pool, under anoxic conditions, NO3-is reduced to molecular nitrogen by the denitrification of the heterotrophic bacteria in the first biochemistry pool,
The product of the first biochemistry pool after anaerobic hydrolysis is sent into the second biochemistry pool, mix the product after hydrolysis in liquid in the second biochemistry pool and the first biochemistry pool, sending in the second biochemistry pool makes mixed liquid carry out the oxygen of internal recycle, then precipitates the mixed solution after internal recycle;
Mixed solution unprecipitated in second biochemistry pool is sent into settling tank, when mixed solution in pond to be precipitated is precipitated to top-down supernatant liquid and lower sediment thing, supernatant liquid is sent into hay tank, after reducing water outlet SS, send into ultra violet sterilizer and kill the bacteriums such as intestinal bacteria, then discharge the supernatant liquid after uv sterilisation, lower sediment thing is sent into the first biochemistry pool and sludge sump respectively.
In one of them embodiment, when the first biochemistry pool and the second biochemistry pool decompose, use blower fan to be continuously its inside and oxygen is provided.
The invention has the beneficial effects as follows:
(1) both fusions had both been solved active sludge and had run off by the relative merits combining anaerobic-aerobic Process and Biological Contact Oxidation Process, and removal efficiency of nitrogen and phosphorus is low, solves again the deficiency that return-flow system exists;
(2) curved baffle, form an of short duration internal recycle between the second biochemistry pool inwall and flow deflector, ensure the quality of sewage disposal;
(3) setting of hay tank, reduce further SS, has ensured good sterile environment;
The setting of (4) second biochemistry pool sludge pipes solve the microbial film of the second biochemistry pool circulation and inanimate matter too many, and the problem cannot drained with current.
Accompanying drawing explanation
Fig. 1 is the structural representation described in the embodiment of the present invention.
Description of reference numerals:
10, the first biochemistry pool; 20, the second biochemistry pool; 30, settling tank; 40, hay tank; 50, sludge sump; 60, between controlling; 70, apparatus for ultraviolet disinfection; 80, blower fan; 90, curved baffle; 100, settling chamber; 110, flow deflector; 120, sludge pipe; 130, reflux line; 140, sewer line; 150, air supply duct.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
Embodiment:
As shown in Figure 1, a kind of sewerage integrated processing system, comprise the first biochemistry pool 10, second biochemistry pool 20, settling tank 30, hay tank 40, sludge sump 50 and control between 60, between described control, 60 inside are provided with apparatus for ultraviolet disinfection 70 and blower fan 80, described first biochemistry pool 10 is communicated with by weir board with the second biochemistry pool 20, described blower fan 80 is communicated with the second biochemistry pool 20 with the first biochemistry pool 10 by air supply duct 150, described second biochemistry pool 20 is communicated with settling tank 30, be provided with near one end of settling tank 30 curved baffle 90 be connected with the second biochemistry pool 20 inner wall sealing in second biochemistry pool 20, the inwall of described curved baffle 90 and the second biochemistry pool 20 forms settling chamber 100, flow deflector 110 is provided with below described settling chamber 100, be connected with described sludge sump 50 by sludge pipe 120 below described flow deflector 110, described settling tank 30 is communicated with hay tank 40, be communicated with sludge sump 50 with the first biochemistry pool 10 respectively with sludge pipe 120 by reflux line 130 below settling tank 30, described hay tank 40 is connected with the fluid inlet of apparatus for ultraviolet disinfection 70 by sewer line 140.
In the present embodiment, described first biochemistry pool 10, second biochemistry pool 20 inner bottom surface is evenly provided with blast inlet, and described blast inlet is all communicated with described air supply duct 150.
In the present embodiment, the liquid outlet of described apparatus for ultraviolet disinfection 70 is by drain pipe and ft connection.
When through pretreated sewage from after entering the first biochemistry pool 10, anaerobic reaction is carried out in the first biochemistry pool 10, the second biochemistry pool 20 is evenly entered by crossing weir board, carry out aerobic reaction, the curved baffle 90 arranged in second biochemistry pool 20, mixed solution after aeration to be turned right flowing by the left upper end of the second biochemistry pool 20 due to gas disturbance major part, carries out part sedimentation, make mixed solution obtain a part of sedimentation herein in settling chamber 100.In the accumulation of flow deflector 110 place after settling down, and by the aeration below flow deflector 110, precipitating sludge to be mixed with sewage again, form an of short duration internal recycle.For increasing the clearance of nitrogen phosphorus, settling tank 30 place adds reflux line 130, and the microbial film taken away with current due to catalytic oxidation and AO technique waft mud time, delivery turbidity can be affected, thus cause uv sterilisation effect, in being the increase in hay tank 40, ensure good sterile environment.Because the microbial film of bio-contact oxidation can only self falling, excess sludge is not easily drained, and is trapped between filtrate and easily causes water quality deterioration, and little water yield treatment station can utilize and strengthen aeration and increase disturbance and taken away with current by the microbial film come off.When the microbial film of aeration tank circulation and inanimate matter too many, and when cannot drain with current, utilize sludge pipe 120 that the material of circulation precipitation is drawn into sludge sump 50.
In conjunction with above embodiment, the invention allows for a kind of sewerage integrated treatment process, comprise the following steps:
Choose dissolved oxygen in pond and be not more than 0.2mg/L as the first biochemistry pool;
To choose in pond dissolved oxygen between 2 ~ 4mg/L as the second biochemistry pool;
Sewage is sent into the first biochemistry pool, use blower fan to be continuously its inside and oxygen is provided, heterotrophic bacterium in first biochemistry pool is by the starch in sewage, fiber, the suspended contaminant such as carbohydrate and dissolved organic matter are hydrolyzed to organic acid, larger molecular organics is resolved into small organic molecule, insoluble organism is changed into dissolved organic matter, by the protein in sewage, fat waits pollutent ammonification to dissociate ammonia, under sufficient oxygen supply condition, NH3-N and NH4+ is oxidized to NO3-by the nitrification of the autotrophic bacteria in the first biochemistry pool, under anoxic conditions, NO3-is reduced to molecular nitrogen by the denitrification of the heterotrophic bacteria in the first biochemistry pool,
The product of the first biochemistry pool after anaerobic hydrolysis is sent into the second biochemistry pool, use blower fan to be continuously its inside and oxygen is provided, mix the product after hydrolysis in liquid in the second biochemistry pool and the first biochemistry pool, sending in the second biochemistry pool makes mixed liquid carry out the oxygen of internal recycle, then precipitates the mixed solution after internal recycle;
Mixed solution unprecipitated in second biochemistry pool is sent into settling tank, when mixed solution in pond to be precipitated is precipitated to top-down supernatant liquid and lower sediment thing, supernatant liquid is sent into hay tank, after reducing water outlet SS, send into ultra violet sterilizer and kill the bacteriums such as intestinal bacteria, then discharge uv sterilisation complete after supernatant liquid, lower sediment thing is sent into the first biochemistry pool and sludge sump respectively.
Both fusions had both been solved active sludge and had run off by the relative merits that present invention incorporates anaerobic-aerobic Process and Biological Contact Oxidation Process, and removal efficiency of nitrogen and phosphorus is low, solves again the deficiency that return-flow system exists; Curved baffle, the internal recycle that between the second biochemistry pool inwall and flow deflector, formation one is of short duration, ensure the quality of sewage disposal; The setting of hay tank, has ensured good sterile environment; The setting of sludge sump solve the microbial film of the second biochemistry pool circulation and inanimate matter too many, and the problem cannot drained with current.
The above embodiment only have expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (5)
1. a sewerage integrated processing system, it is characterized in that, comprise the first biochemistry pool, second biochemistry pool, settling tank, hay tank, between sludge sump and control, between described control, inside is provided with apparatus for ultraviolet disinfection and blower fan, described first biochemistry pool is communicated with by weir board with the second biochemistry pool, described blower fan is communicated with the second biochemistry pool with the first biochemistry pool by air supply duct, described second biochemistry pool is communicated with settling tank, one end near settling tank in second biochemistry pool is provided with the curved baffle be connected with the second biochemistry pool inner wall sealing, the inwall of described curved baffle and the second biochemistry pool forms settling chamber, flow deflector is provided with below described settling chamber, be connected with described sludge sump by sludge pipe below described flow deflector, described settling tank is communicated with hay tank, be communicated with sludge sump with the first biochemistry pool respectively with sludge pipe by reflux line below settling tank, described hay tank is connected with the fluid inlet of apparatus for ultraviolet disinfection by sewer line.
2. sewerage integrated processing system according to claim 1, is characterized in that, described first biochemistry pool, the second biochemistry pool inner bottom surface are evenly provided with blast inlet, and described blast inlet is all communicated with described air supply duct.
3. sewerage integrated processing system according to claim 1 and 2, is characterized in that, the liquid outlet of described apparatus for ultraviolet disinfection is by drain pipe and ft connection.
4. a sewerage integrated treatment process according to claim 1, is characterized in that, comprise the following steps:
Choose dissolved oxygen in pond and be not more than 0.2mg/L as the first biochemistry pool;
To choose in pond dissolved oxygen between 2 ~ 4mg/L as the second biochemistry pool;
Sewage is sent into the first biochemistry pool, heterotrophic bacterium in first biochemistry pool is by the starch in sewage, fiber, the suspended contaminant such as carbohydrate and dissolved organic matter are hydrolyzed to organic acid, larger molecular organics is resolved into small organic molecule, insoluble organism is changed into dissolved organic matter, by the protein in sewage, fat waits pollutent ammonification to dissociate ammonia, under sufficient oxygen supply condition, NH3-N and NH4+ is oxidized to NO3-by the nitrification of the autotrophic bacteria in the first biochemistry pool, under anoxic conditions, NO3-is reduced to molecular nitrogen by the denitrification of the heterotrophic bacteria in the first biochemistry pool,
The product of the first biochemistry pool after anaerobic hydrolysis is sent into the second biochemistry pool, mix the product after hydrolysis in liquid in the second biochemistry pool and the first biochemistry pool, sending in the second biochemistry pool makes mixed liquid carry out the oxygen of internal recycle, then precipitates the mixed solution after internal recycle;
Mixed solution unprecipitated in second biochemistry pool is sent into settling tank, when mixed solution in pond to be precipitated is precipitated to top-down supernatant liquid and lower sediment thing, supernatant liquid is sent into hay tank, after reducing water outlet SS, send into ultra violet sterilizer and kill the bacteriums such as intestinal bacteria, then discharge the supernatant liquid after uv sterilisation, lower sediment thing is sent into the first biochemistry pool and sludge sump respectively.
5. sewerage integrated treatment process according to claim 4, is characterized in that, when the first biochemistry pool and the second biochemistry pool decompose, uses blower fan to be continuously its inside and provides oxygen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410514778.4A CN104402164A (en) | 2014-09-30 | 2014-09-30 | Integrated processing system and method thereof for sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410514778.4A CN104402164A (en) | 2014-09-30 | 2014-09-30 | Integrated processing system and method thereof for sewage |
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| CN104402164A true CN104402164A (en) | 2015-03-11 |
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| CN201410514778.4A Withdrawn CN104402164A (en) | 2014-09-30 | 2014-09-30 | Integrated processing system and method thereof for sewage |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105366883A (en) * | 2015-11-17 | 2016-03-02 | 安徽舜禹水务实业有限公司 | Novel three-stage elliptical horizontal integrated sewage treatment plant |
| CN107200444A (en) * | 2017-07-17 | 2017-09-26 | 苏州希瑞特环保科技有限公司 | Multifunctional stepped sewage-treatment plant |
| CN107792991A (en) * | 2016-09-05 | 2018-03-13 | 帕克环保技术(上海)有限公司 | Waste Water Treatment and waste water treatment process for tobacco business |
| CN108483805A (en) * | 2018-04-02 | 2018-09-04 | 华中科技大学 | A kind of integrated multi-functional artificial wetland treatment device |
| CN117361792A (en) * | 2023-11-15 | 2024-01-09 | 宁夏厚德环保科技有限公司 | Reclaimed water treatment integrated device |
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| CN204211601U (en) * | 2014-09-30 | 2015-03-18 | 四川中测环境技术有限公司 | Sewerage integrated processing system |
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- 2014-09-30 CN CN201410514778.4A patent/CN104402164A/en not_active Withdrawn
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| CN1539758A (en) * | 2003-10-31 | 2004-10-27 | 清华大学 | Horizontal Swirl Suspension Carrier Biofilm Reactor and Its Water Body In-Situ Restoration Method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105366883A (en) * | 2015-11-17 | 2016-03-02 | 安徽舜禹水务实业有限公司 | Novel three-stage elliptical horizontal integrated sewage treatment plant |
| CN105366883B (en) * | 2015-11-17 | 2017-12-12 | 安徽舜禹水务股份有限公司 | A kind of three sections of horizontal integrated sewage-treatment plants of ellipse |
| CN107792991A (en) * | 2016-09-05 | 2018-03-13 | 帕克环保技术(上海)有限公司 | Waste Water Treatment and waste water treatment process for tobacco business |
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| CN108483805A (en) * | 2018-04-02 | 2018-09-04 | 华中科技大学 | A kind of integrated multi-functional artificial wetland treatment device |
| CN108483805B (en) * | 2018-04-02 | 2024-08-09 | 华中科技大学 | An integrated multifunctional artificial wetland treatment device |
| CN117361792A (en) * | 2023-11-15 | 2024-01-09 | 宁夏厚德环保科技有限公司 | Reclaimed water treatment integrated device |
| CN117361792B (en) * | 2023-11-15 | 2024-04-12 | 宁夏厚德环保科技有限公司 | Reclaimed water treatment integrated device |
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Application publication date: 20150311 |