CN106167294A - A kind of sewage auxiliary dephosphorization device - Google Patents
A kind of sewage auxiliary dephosphorization device Download PDFInfo
- Publication number
- CN106167294A CN106167294A CN201610780286.9A CN201610780286A CN106167294A CN 106167294 A CN106167294 A CN 106167294A CN 201610780286 A CN201610780286 A CN 201610780286A CN 106167294 A CN106167294 A CN 106167294A
- Authority
- CN
- China
- Prior art keywords
- sludge
- tank
- dephosphorization
- coagulative precipitation
- sewage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 29
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 54
- 239000011574 phosphorus Substances 0.000 claims abstract description 54
- 239000010802 sludge Substances 0.000 claims abstract description 44
- 238000001556 precipitation Methods 0.000 claims abstract description 40
- 230000001112 coagulating effect Effects 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 29
- 239000000126 substance Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 32
- 239000003814 drug Substances 0.000 claims description 12
- 239000006228 supernatant Substances 0.000 claims description 11
- 238000004062 sedimentation Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 230000015271 coagulation Effects 0.000 claims description 8
- 238000005345 coagulation Methods 0.000 claims description 8
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 7
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 7
- 230000001376 precipitating effect Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 27
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 description 8
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012851 eutrophication Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011953 bioanalysis Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 229920000037 Polyproline Polymers 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 239000002699 waste material Substances 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5209—Regulation methods for flocculation or precipitation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Activated Sludge Processes (AREA)
Abstract
The present invention relates to a kind of sewage auxiliary dephosphorization device with method, described dephosphorization apparatus includes sludge filter press, sludge concentration tank, sludge-tank, storage pool and coagulative precipitation tank, described sludge filter press connects storage pool by pipeline, described storage pool connects coagulative precipitation tank by pipeline, and described coagulative precipitation tank connects sludge-tank by sludge pipe.The method has a good removal effect to TP, COD in sewage, especially can stably reaching standard to the removal of total phosphorus, it is not necessary to carry out water outlet chemical dephosphorization.Meet stable effluent quality and reach " urban wastewater treatment firm pollutant emission standard " (GB18918 2002), and lay a good foundation for advanced treating.
Description
Technical field
The present invention relates to a kind of dephosphorization apparatus, be specifically related to a kind of sewage auxiliary dephosphorization device and phosphorus removing method, belong to dirty
Water treatment field.
Background technology
Phosphorus is a kind of non-renewable resources, is again the essential element causing body eutrophication.The excess that farmland applies
Phosphate fertilizer, city domestic sewage contains more phosphorus, and some trade effluent also contains abundant phosphorus, and they are all water eutrophications
The major incentive changed.For prevention body eutrophication, " urban wastewater treatment firm pollutant emission standard " (GB18918-2002)
Middle by one-level A water outlet phosphorus standard by phosphate meter carry mark rise to by total phosphorus (0.50 mg/L) count.Therefore, research and development sewage dephosphorization
The situation of technique is the most urgent.
The most conventional dephosphorization process mainly has bioanalysis, chemical method.Bioanalysis be utilize polyP bacteria anoxia, anaerobism and
Aerobic alternately in the case of complete the removal to phosphor in sewage.But operative practice shows, simple biological phosphate-eliminating processes and is difficult to
Improve, be difficult to make water outlet qualified discharge.In recent years, chemical dephosphorization assists Biological Phosphorus Removal Processes because of its treatment effeciency together with chemistry
Height, processing speed is fast and enjoys favor.After auxiliary dephosphorization technique is typically located at biological respinse dispensing point, most common it is arranged on
In second pond, in second pond water inlet pipe, add Dephosphorization reagent, so can avoid the Dephosphorization reagent impact on activated sludge.But
Himself there is also following defect: sludge settling as huge in added amount of chemical, that produce is back to again biochemistry bottom second pond
Chi Zhong, will produce certain impact to activated sludge in biochemistry pool.
In Sewage Plant, rich phosphorus liquid is typically made up of sludge concentration tank supernatant and sludge press filtration liquid, and these two strands rich phosphorus liquid can not
Directly discharge, it is necessary to reentering sewage disposal system, thus constantly form rich phosphorus liquid, in the most constantly entrance system, formation follows
Ring.And the total phosphorus content that these two strands of sewage are formed often accounts in water about the 10% of total phosphorus content, add subsequent bio dephosphorization
Load, too increase the difficulty of dephosphorization.Therefore, a kind of new scheme of exigence solves this technical problem.
Summary of the invention
In order to solve the problem of above-mentioned existence, the invention discloses a kind of sewage auxiliary dephosphorization device, this apparatus structure is tight
Gathering, design ingenious, this technical scheme provides the sewage auxiliary dephosphorization technique of a kind of strengthening, this technique is simple, efficiently, run steady
Fixed, investment operating cost is low, this invention ensures that effluent quality total phosphorus content qualified discharge.
To achieve these goals, technical scheme is as follows, and a kind of sewage auxiliary dephosphorization device, its feature exists
In, described dephosphorization apparatus includes sludge filter press, sludge concentration tank, sludge-tank, storage pool and coagulative precipitation tank, described mud
Pressure filter connects storage pool by pipeline, and described storage pool connects coagulative precipitation tank by pipeline, and described coagulative precipitation tank passes through
Sludge pipe connects sludge-tank.
As a modification of the present invention, being provided with agitator in described coagulative precipitation tank, described agitator is set to two
Layer propeller mixer.Quickly stirring promotes the abundant reaction of Dephosphorization reagent.
Sewage auxiliary dephosphorization method, described step is as follows, and 1) collection of richness phosphorus liquid is entered rich phosphorus liquid storage pool 4,2) then
Entering coagulative precipitation tank 6, in coagulative precipitation tank 6, accurate automatic feeding chemical dephosphorization medicament carries out chemical dephosphorization, 3) after precipitating
Supernatant reenter system, the lower mud entrance sludge concentration tank of precipitation carries out sludge condensation.
As a modification of the present invention, specific as follows in described step 1), described rich phosphorus liquid is by sludge concentration tank
Above two strands of rich phosphorus liquid are accessed rich phosphorus liquid storage pool by clear liquid and sludge press filtration liquid two parts composition.
As a modification of the present invention, described step 2) in coagulative precipitation tank through coagulation section and precipitating phase two
Process, wherein coagulation section uses mechanical agitation, and precipitating phase uses rectangular sedimentation tank, and mixing time is 1 ~ 2h, and the sedimentation time is 5
~6h。
As a modification of the present invention, described step 2) in chemical dephosphorization medicament be poly-ferric chloride, valid density is i.e.
With Fe3+Meter is at least more than 10%.Described accurate automatic feeding chemical dephosphorization medicament, coagulative precipitation tank water side is provided with total phosphorus
On-Line Monitor Device, have input the matched curve of influent concentration and dosage in throwing device, can be according to water inlet total phosphorus concentration
Real-time and Dynamic automatization accurately adds poly-ferric chloride, it is ensured that water outlet total phosphorus concentration is less than 10mg/L.
Relative to prior art, advantages of the present invention is as follows, 1) whole Technical Design is ingenious, compact conformation, and 2) this technology
Scheme is improved and optimizes existing technology of phosphorus removal from wastewater, it is possible to the total phosphorus content of circulation in minimizing system, reduces in water total
Phosphorus load and intractability；There is high treating effect, floor space is little, effect stability, operation cost are low remarkable advantage, have
Promotional value；3) this technical scheme only carries out chemical dephosphorization to sludge concentration tank supernatant and sludge press filtration liquid, only processes the water yield
For less than the 10% of total Water, greatly reduce adding of chemical dephosphorization medicament, reduce operation cost；4) by arranging automatically
Accurately dosing system and total phosphorus on-line monitoring equipment, be provided with the plan into water total phosphorus concentration Yu added amount of chemical in dosing system
Close curve, it is possible to the most accurately adding of agent, thus decrease the waste of medicament, reduce operation cost；5) use
Valid density is (with Fe3+Meter) more than 10% poly-ferric chloride carry out chemical dephosphorization, have that hydrolysis rate is fast, hydration is weak,
The alumen ustum formed is closely knit, sedimentation velocity fast, affected the features such as little, dosage is few, high treating effect by water temperature change, mixes than other
10 ~ 20% expenses are saved in solidifying agent.This technique has good removal effect, the especially removal to total phosphorus to TP, COD in sewage
Can stably reaching standard, it is not necessary to carry out water outlet chemical dephosphorization.
Accompanying drawing explanation
Fig. 1 is sewage treatment technology process plane graph of the present invention；
Wherein: 1 is sludge filter press, 2 is sludge concentration tank, and 3 is sludge-tank, and 4 is rich phosphorus liquid storage pool, and 5 is sludge pipe, and 6 are
Coagulative precipitation tank, 7 is sludge press filtration liquid, and 8 is sludge concentration tank supernatant, and 9 is supernatants after precipitation.
Detailed description of the invention
In order to deepen that the present invention is appreciated and understood by, below in conjunction with the accompanying drawings and detailed description of the invention, this it is further elucidated with
Invention.
Embodiment 1: seeing Fig. 1, a kind of sewage auxiliary dephosphorization device, described dephosphorization apparatus includes sludge filter press 1, mud
Concentration basin 2, sludge-tank 3, storage pool 4 and coagulative precipitation tank 6, described sludge filter press connects storage pool 4 by pipeline, described
Storage pool 4 connects coagulative precipitation tank 6 by pipeline, and described coagulative precipitation tank 6 connects sludge-tank 3, described coagulation by sludge pipe
Being provided with agitator in sedimentation tank, described agitator is set to two-layer propeller mixer.Quickly stirring promotes Dephosphorization reagent
Fully reaction.
Embodiment 2: seeing Fig. 1, sewage auxiliary dephosphorization method, described step is as follows, 1) collection of richness phosphorus liquid is entered rich phosphorus
Liquid storage pool 4,2) subsequently into coagulative precipitation tank 6, accurate automatic feeding chemical dephosphorization medicament in coagulative precipitation tank 6
Learn dephosphorization, 3) supernatant after precipitation reenters system, and the lower mud entrance sludge concentration tank of precipitation carries out sludge condensation.
In described step 1) specific as follows, described rich phosphorus liquid is by sludge concentration tank supernatant and sludge press filtration liquid two parts
Above two strands of rich phosphorus liquid are accessed rich phosphorus liquid storage pool by composition；
Described step 2) in coagulative precipitation tank through coagulation section and two processes of precipitating phase, wherein coagulation section use machinery stir
Mixing, precipitating phase uses rectangular sedimentation tank, and mixing time is 1 ~ 2h, and the sedimentation time is 5 ~ 6h；
Described step 2) in chemical dephosphorization medicament be poly-ferric chloride, valid density is i.e. with Fe3+Meter is at least more than 10%.Institute
Stating accurate automatic feeding chemical dephosphorization medicament, coagulative precipitation tank water side is provided with total phosphorus on-Line Monitor Device, at throwing device
In have input the matched curve of influent concentration and dosage, can accurately adding according to water inlet total phosphorus concentration Real-time and Dynamic automatization
Poly-ferric chloride, it is ensured that water outlet total phosphorus concentration is less than 10mg/L, reduces water inlet end total phosphorus load, total phosphorus circulation in minimizing system
Amount.
The method is applicable not only to urban wastewater treatment firm and high phosphorus trade effluent, to meet urban wastewater treatment firm pollution
Thing discharge standard " one-level A standard or corresponding industrial wastewater discharge standard in (GB18918-2002).
Application Example: the present invention proposes the sewage auxiliary dephosphorization technique of a kind of strengthening, is first collected into by richness phosphorus liquid
Entering rich phosphorus liquid storage pool, subsequently into coagulative precipitation tank, in coagulative precipitation tank, accurate automatic feeding chemical dephosphorization medicament is carried out
Chemical dephosphorization, the supernatant after precipitation reenters system, and the mud under precipitation enters sludge concentration tank and carries out sludge condensation.With
Under further illustrate the present invention by specific embodiment.
The present invention has been used for the upgrading technical research of certain winery sewage treatment process, pending waste water mainly by
The brewing wastewater of brew house, flushing place waste water and sanitary sewage, waste water is black, opaque shape, greasy sweet, the colourity of abnormal smells from the patient
High, turbidity big, pH is acidity, its water quality totally in high COD, high NH4 +, high TP but good biodegradability feature.The rich phosphorus produced
The concrete water quality of liquid is as shown in table 1.
Table 1 brewing wastewater water quality index
Wherein, rich phosphorus liquid enters rich phosphorus liquid storage pool through gravity flow, is then pumped into coagulative precipitation tank, and coagulation district a size of 4500 ×
2000 × 2500mm(L × B × H), available depth 2.2m, totally three, hydraulic detention time 1.5h, rotating speed is 100r/min, fills
Divide and promote medicament mixing, accelerate response speed and ensure reaction effect；Settling zone a size of 13000 × 4500 × 3800mm(L × B
× H), available depth 3.5m, totally three, hydraulic detention time 5.6h, form is rectangular sedimentation tank；Every coagulative precipitation tank sets
3 sludge buckets, sludge bucket upper dimension is 4500 × 4000(L × B), lower dimension is 600 × 600(L × B), sludge bucket is high
1800mm；Agitator is chosen as two-layer propeller mixer, and Dephosphorization reagent is chosen as poly-ferric chloride, and valid density is (with Fe3+
Meter) 20%, dosage is 100mg/L.
Supernatant after precipitation is back to front end, reenters system, and the mud under precipitation enters in sludge concentration tank.Two
Level water outlet can also carry out low side reuse by further coagulating sedimentation, sand filtration, nanofiltration, it might even be possible to is carried out by reverse osmosis again
High-end reuse.
After using this kind of technique, before and after Sewage Plant, water quality contrasts as shown in table 2.
Effluent quality index before and after the use of certain brewing wastewater group technology of table 2
The present invention at the treatment effect of this wastewater factory is: the rich total tp removal rate of phosphorus liquid about 90%, water outlet total phosphorus
Clearance is about about 35%.In sum, the auxiliary dephosphorization technique using strengthening of novelty of the present invention, decrease into water total
Phosphorus load, alleviates biological phosphate-eliminating difficulty, makes total phosphorus aqueous concentration be greatly lowered.
It should be noted that above-described embodiment is only presently preferred embodiments of the present invention, it is not used for limiting the present invention
Protection domain, the equivalent made on the basis of technique scheme or replacement, belong to the protection model of the present invention
Enclose.
Claims (6)
1. a sewage auxiliary dephosphorization device, it is characterised in that described dephosphorization apparatus include sludge filter press, sludge concentration tank,
Sludge-tank, storage pool and coagulative precipitation tank, described sludge filter press connects storage pool by pipeline, and described storage pool is by pipe
Road connects coagulative precipitation tank, and described coagulative precipitation tank connects sludge-tank by sludge pipe.
Sewage auxiliary dephosphorization device the most according to claim 1, it is characterised in that be provided with in described coagulative precipitation tank and stir
Mixing device, described agitator is set to two-layer propeller mixer.
3. sewage auxiliary dephosphorization method, it is characterised in that described step is as follows: 1) richness phosphorus liquid is collected entrance rich phosphorus liquid storage
Pond, 2) subsequently into coagulative precipitation tank, in coagulative precipitation tank, accurate automatic feeding chemical dephosphorization medicament carries out chemical dephosphorization, and 3)
Supernatant after precipitation reenters system, and the mud under precipitation enters sludge concentration tank and carries out sludge condensation.
Sewage auxiliary dephosphorization method the most according to claim 3, it is characterised in that specific as follows in described step 1), institute
The rich phosphorus liquid stated is made up of sludge concentration tank supernatant and sludge press filtration liquid two parts, and above two strands of rich phosphorus liquid are accessed rich phosphorus liquid
Storage pool.
Sewage auxiliary dephosphorization method the most according to claim 3, it is characterised in that described step 2) at coagulative precipitation tank
Interior through coagulation section with two processes of precipitating phase, wherein coagulation section uses mechanical agitation, and precipitating phase uses rectangular sedimentation tank, stirs
The time of mixing is 1 ~ 2h, and the sedimentation time is 5 ~ 6h.
Sewage auxiliary dephosphorization method the most according to claim 3, it is characterised in that described step 2) in chemical dephosphorization medicament
For poly-ferric chloride, valid density is i.e. with Fe3+Meter is at least more than 10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780286.9A CN106167294A (en) | 2016-08-31 | 2016-08-31 | A kind of sewage auxiliary dephosphorization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780286.9A CN106167294A (en) | 2016-08-31 | 2016-08-31 | A kind of sewage auxiliary dephosphorization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106167294A true CN106167294A (en) | 2016-11-30 |
Family
ID=57376104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610780286.9A Pending CN106167294A (en) | 2016-08-31 | 2016-08-31 | A kind of sewage auxiliary dephosphorization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106167294A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112079424A (en) * | 2020-09-08 | 2020-12-15 | 天津壹新环保工程有限公司 | Cyclic utilization system and process of phosphorus removal agent |
| CN113735299A (en) * | 2020-05-14 | 2021-12-03 | 领跃电子科技（珠海）有限公司 | Wastewater dephosphorization device and dephosphorization method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358674A (en) * | 2011-09-23 | 2012-02-22 | 南京中世环境科技股份有限公司 | Sewage treatment method capable of sludge quantitative reduction |
| CN202988773U (en) * | 2012-12-29 | 2013-06-12 | 重庆市渝西水务有限公司 | Phosphorous-removal reflux tank structure for excess sludge refluxing and utilizing system |
| CN203256016U (en) * | 2013-04-16 | 2013-10-30 | 上海市城市建设设计研究总院 | Rapid phosphorous removal pool for liquid supernatant |
| CN105541008A (en) * | 2015-12-22 | 2016-05-04 | 浙江大学 | An efficient denitrifying and carbon-removing device for culture wastewater anaerobic biogas slurry with a low C/N ratio and a process thereof |
| CN105693042A (en) * | 2015-05-20 | 2016-06-22 | 余素萍 | Method for treating phosphorus-containing sewage |
| CN205999098U (en) * | 2016-08-31 | 2017-03-08 | 南京河海环境研究院有限公司 | A kind of sewage auxiliary dephosphorization device |
-
2016
- 2016-08-31 CN CN201610780286.9A patent/CN106167294A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358674A (en) * | 2011-09-23 | 2012-02-22 | 南京中世环境科技股份有限公司 | Sewage treatment method capable of sludge quantitative reduction |
| CN202988773U (en) * | 2012-12-29 | 2013-06-12 | 重庆市渝西水务有限公司 | Phosphorous-removal reflux tank structure for excess sludge refluxing and utilizing system |
| CN203256016U (en) * | 2013-04-16 | 2013-10-30 | 上海市城市建设设计研究总院 | Rapid phosphorous removal pool for liquid supernatant |
| CN105693042A (en) * | 2015-05-20 | 2016-06-22 | 余素萍 | Method for treating phosphorus-containing sewage |
| CN105541008A (en) * | 2015-12-22 | 2016-05-04 | 浙江大学 | An efficient denitrifying and carbon-removing device for culture wastewater anaerobic biogas slurry with a low C/N ratio and a process thereof |
| CN205999098U (en) * | 2016-08-31 | 2017-03-08 | 南京河海环境研究院有限公司 | A kind of sewage auxiliary dephosphorization device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735299A (en) * | 2020-05-14 | 2021-12-03 | 领跃电子科技（珠海）有限公司 | Wastewater dephosphorization device and dephosphorization method thereof |
| CN112079424A (en) * | 2020-09-08 | 2020-12-15 | 天津壹新环保工程有限公司 | Cyclic utilization system and process of phosphorus removal agent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103848542B (en) | Advanced wastewater treatment technology for sewage treatment and upgrading and reconstruction | |
| CN106542701A (en) | For the method for purifying water in river course | |
| CN104671499B (en) | Smelt composite wastewater advanced treatment separate-recycling method | |
| CN101708931A (en) | Magnetic co-sedimentation biological filtering tank process and device | |
| CN202881052U (en) | Device for removing phosphorus chemically and forcibly by adopting A2O, membrane separation and cloth filter filtering | |
| CN102964010A (en) | Method for deeply treating nonbiodegradable sewage | |
| CN106167294A (en) | A kind of sewage auxiliary dephosphorization device | |
| CN103771666B (en) | Energy-saving slaughter wastewater treatment method | |
| CN105016578A (en) | Treatment system and method for aged leachate in refuse landfill | |
| CN205773891U (en) | A kind of system of percolate advanced treating | |
| CN101585611B (en) | Industrial wastewater and municipal wastewater treatment method | |
| CN104773880A (en) | Sewage treatment technology and equipment for well drilling | |
| CN106630422A (en) | Wastewater biological treatment device for polyether polyol production | |
| CN205999098U (en) | A kind of sewage auxiliary dephosphorization device | |
| CN104891738B (en) | A kind of ecological treatment method of municipal sewage | |
| CN208829505U (en) | After-treatment system of the Fine Chemistry Wastewater after MVR distills | |
| CN217757087U (en) | Sewage treatment pool | |
| CN206337122U (en) | Polyetherpolyols production wastewater biological treatment device | |
| CN203461857U (en) | Efficient reaction sedimentation basin | |
| CN205710299U (en) | A kind of flow-type film mud coupling pond type denitrogenation dephosphorizing wastewater treatment equipment | |
| CN205328795U (en) | Wet spinning acrylic fibres production polymerization effluent disposal system | |
| CN104860469B (en) | Oil refining sewage integrated combination treatment system and oil refining sewage integrated combination treatment method | |
| CN207031196U (en) | A kind of biochemical treatment apparatus for realizing high CO_2 density | |
| CN206069642U (en) | A kind of high phosphorous biological medicine waste water chemical dephosphorization device | |
| CN204058177U (en) | A kind of deep treatment system of papermaking wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161130 |
|
| RJ01 | Rejection of invention patent application after publication |