CN107055901A - Waste water multiple purifying device - Google Patents
Waste water multiple purifying device Download PDFInfo
- Publication number
- CN107055901A CN107055901A CN201710155423.4A CN201710155423A CN107055901A CN 107055901 A CN107055901 A CN 107055901A CN 201710155423 A CN201710155423 A CN 201710155423A CN 107055901 A CN107055901 A CN 107055901A
- Authority
- CN
- China
- Prior art keywords
- pond
- soon
- waste water
- purifying device
- lamp
- 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.)
- Withdrawn
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 49
- 230000001954 sterilising effect Effects 0.000 claims abstract description 4
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 239000004576 sand Substances 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 238000004821 distillation Methods 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000011045 prefiltration Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 1
- 239000010453 quartz Substances 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 10
- 230000007613 environmental effect Effects 0.000 abstract description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 5
- 239000005416 organic matter Substances 0.000 abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 5
- 239000011574 phosphorus Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 239000003945 anionic surfactant Substances 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 241000894006 Bacteria Species 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000945 filler Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 241000700605 Viruses Species 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000006004 Quartz sand Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 241000233866 Fungi Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000010808 liquid waste Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000009287 sand filtration Methods 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- -1 dander Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010797 grey water Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000010457 zeolite 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses waste water multiple purifying device, waste water multiple purifying device, including pretreatment unit, processing unit and advanced treatment unit are oozed soon, pending waste water sequentially passes through pretreatment unit, oozes processing unit and advanced treatment unit soon；The processing unit that oozes soon includes oozing interior pond soon, oozing outer pond soon, pending waste water through it is too fast ooze interior pond and enter ooze outer pond soon；Beneficial effects of the present invention：By pretreatment unit, processing unit and advanced treatment unit are oozed soon, and the present invention can not only retain the impurity such as dander, the suspension in sanitary wastewater.Steam first passes through plasma purifier by the sterilization of UV lamp group, plasma purifier removes the pollutants such as most of anion surfactant (LAS), organic matter, nitrogen and the phosphorus element in sanitary wastewater, and the environmental hazard being likely to result in is recycled or directly discharge to reduce sanitary wastewater.
Description
Technical field
The present invention is in sewage treatment area, and in particular to cost is low, technique is simple, effect is good efficiently oozes device soon.
Background technology
Due to containing substantial amounts of human secretion, dander, detergent and bacterium, true in life and industrial wastewater
The harmful substances such as bacterium, virus, directly discharge not only pollute the environment, and can more cause the huge waste of water resource.
At present, sanitary wastewater is preferential as recycling water source to develop using it as gray water, to promoting resource section
About type, pro-environmental society are significant.Using the general principle of physics, chemistry and biological method, open
The reuse method and device or equipment for sending out sanitary wastewater a variety of, but these methods, device or equipment often exist efficiently with
The problem of energy-conservation is unable to the coordinating and unifying.
The content of the invention
The technical problems to be solved by the invention are to provide the sanitary wastewater multiple purifying that cost is low, technique is simple, effect is good
Device, after processing, can be back to flush the toilet, road-cleaning, fire-fighting, greening, vehicle wash, construction etc..
To solve the above problems the technical scheme is that：Waste water multiple purifying device, including pretreatment unit, ooze soon
Processing unit and advanced treatment unit, pending waste water sequentially pass through pretreatment unit, ooze processing unit and advanced treating list soon
Member；The processing unit that oozes soon includes oozing interior pond soon, oozing outer pond soon, pending waste water through it is too fast ooze interior pond and enter ooze outer pond soon；
The advanced treatment unit is constituted by distilling pond, and the water inlet in distillation pond is connected with oozing outer pond soon, and the outlet in the distillation pond is set
It is equipped with the middle part of condensing unit, the distillation pond and is provided with some groups of UV lamp groups；It is additionally provided with inside distillation pond plasma cleaning
Device.
Further, the pretreatment unit includes prefiltration plate, sand filter and regulating reservoir, and the prefiltration plate is arranged in
The top of sand filter, sand filter is interconnected with regulating reservoir.
Further, the regulating reservoir delivery port and oozing soon be connected with turn between interior pond water inlet water pump, flowmeter and
Sprinkler.
Further, filling quartz sand filter media in the sand filter.
Further, it is additionally provided with relay on the water pump.
Further, the inner surface of the condensing unit is covered with absorption carbon.
Further, the UV lamp group is drained through filter lamp bracket and UV lamp including at least four, and UV lamp is uniformly fixed on filtered lamp
On frame, it is 210mm to be often drained through the distance between filter lamp bracket；Described UV lamp is 100W, and UV lamp quantity is at least 72.
Further, the UV lamp group is vertically installed at the middle part in distillation pond, and fluorescent tube is vertical with distillation bottom of pond.
Further, the plasma purifier is arranged on the bottom of UV lamp group, and steam first passes through plasma cleaning dress
Put by the sterilization of UV lamp group.
Beneficial effects of the present invention：By pretreatment unit, processing unit and advanced treatment unit are oozed soon, and the present invention is not only
The impurity such as dander, suspension in sanitary wastewater can be retained.Steam first passes through plasma purifier and is passing through UV lamp
Group sterilization, plasma purifier remove sanitary wastewater in most of anion surfactant (LAS), organic matter, nitrogen and
The pollutants such as phosphorus element, the environmental hazard being likely to result in is recycled or directly discharges to reduce sanitary wastewater.
Brief description of the drawings
Fig. 1 is the schematic diagram of the purifier of the present invention.
Embodiment
The invention will be further elaborated with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, waste water multiple purifying device, including pretreatment unit, processing unit and advanced treatment unit are oozed soon,
Pending waste water sequentially passes through pretreatment unit, oozes processing unit and advanced treatment unit soon；The processing unit that oozes soon includes
Ooze interior pond 8 soon, ooze outer pond 9 soon, pending waste water through it is too fast ooze interior pond 8 and enter ooze outer pond 9 soon；The advanced treatment unit is by steaming
Evaporate pond 10 to constitute, the water inlet in distillation pond 10 is connected with oozing outer pond 9 soon, and the outlet in the distillation pond 10 is provided with condensing unit
11, the middle part in the distillation pond 10 is provided with some groups of UV lamp groups 12.The UV lamp group 12 including at least four be drained through filter lamp bracket and
UV lamp, UV lamp is uniformly fixed on filtering lamp bracket, and it is 210mm to be often drained through the distance between filter lamp bracket；Described UV lamp is
100W, UV lamp quantity is at least 72, and the UV lamp group 12 is vertically installed at the middle part in distillation pond 10, fluorescent tube and distillation pond
10 dollies are straight, it is ensured that the Maximum Contact area of UV lamp group 12 and steam, and UV lamp group kills bacterium remaining in waste water, true
The harmful microorganisms such as bacterium, virus, further optimize effluent quality.Distill simultaneously inside pond 10 and be additionally provided with plasma purifier
13, steam first passes through plasma purifier 13 and sterilized by UV lamp group 12, and plasma purifier 13 is removed in sanitary wastewater
The pollutant such as most of anion surfactant (LAS), organic matter, nitrogen and phosphorus element, to reduce sanitary wastewater recycling
Or directly discharge the environmental hazard being likely to result in.
The delivery port of sand filter 2 is connected with the water inlet of regulating reservoir 3, the delivery port of regulating reservoir 3 and ooze soon between the interior water inlet of pond 8 according to
It is secondary to be connected with water pump 4, relay 5, flowmeter 6, sprinkler 7, the outer delivery port of pond 9 is oozed soon to be connected with the distillation water inlet of pond 10.
The pretreatment unit is mainly used in removing dander, bulky grain suspension and the part being mingled with sanitary wastewater
Organic matter, to improve the treatment effeciency of subsequent cell, while can prevent subsequent processing units from blocking.Prefiltration plate 1 is located at sand filtration
The top of pond 2, is easy to the impurity such as retention dander and removes contamination in time.When trapped substance exceed it is a certain amount of when, by salvage, clear up with
Ensure that sanitary wastewater smoothly enters sand filter 2.Filling quartz sand particle diameter of filter medium 0.5-1.2mm in sand filter 2, periodically takes out just mistake
Filter plate 1, is renovated to the filler top layer of sand filter 2, to ensure filtering rate and effect.After sanitary wastewater is filtered through sand filter 2
Into in regulating reservoir 3, play a part of balanced water quality and water.
The processing unit that oozes soon is to rely primarily on the number of ways such as filtering retention, absorption to go to ooze interior pond 8 soon and ooze outer soon
Packing layer of the middle part of pond 9 filled with biofilm, described packing layer is by grain size of natural river sand 0.25-0.35mm, zeolite sand grains
Footpath 1.0-1.3mm, marble sand grains footpath 1.0-2.0mm, activated sludge are according to mass ratio 6:1:1:2 are uniformly mixed, activity
Sludge is derived from the returned sludge of secondary sedimentation tank of sewage treatment work.Interior pond 8 is oozed soon and to ooze 50mm at the top and bottom of the filler in outer pond 9 soon high
Degree section is respectively arranged with cushion, and cushion is made up of cobble particle diameter 10.0-15.0mm, ballast grain sizes 2.5-5.5mm, plays auxiliary
Help water distribution or support to act on, be reserved with 200mm protection height above top buffer layer respectively, prevent into water or water outlet more than specified
Overflowed after height.Interior pond 8 is oozed soon and the outer delivery port of pond 9 is oozed soon and is provided with multilayer filter cloth, prevents filtrate with water bleeder.Institute
Sprinkler 7 is stated positioned at the interior top of pond 8 is oozed soon, is easy to water distribution uniform by the water inlet of sprinkler 7.The delivery port of regulating reservoir 3 is interior with oozing soon
Relay 5, flowmeter 6 are connected between the water inlet of pond 8, control flooding time and flow of inlet water is respectively used to.
The advanced treatment unit is mainly used in killing harmful micro- life such as bacterium, fungi, virus remaining in sanitary wastewater
Thing, further optimizes effluent quality.Ooze the outer water outlet of pond 9 soon and enter distillation pond 10, high temperature it is water, in condensing unit 11
Surface covered with absorption carbon 11.1, with reduce sanitary wastewater recycle or directly discharge the environmental hazard being likely to result in, simultaneously
The high temperature that condensing unit 11 carries out liquidation exothermic reaction generation moment to steam is efficiently treated through to harmful substances such as bacteriums, distills pond
10 delivery port is provided with liquid waste collection device.
Its method of operation is as follows：
1 pretreatment stage：
Sanitary wastewater enters from the top of prefiltration plate 1, and prefiltration plate 1 is located at the top of sand filter 2, is easy to retain dander
Remove contamination Deng impurity and in time.When trapped substance exceed it is a certain amount of when, by salvage, clear up with ensure sanitary wastewater smoothly enter sand filtration
Pond 2.Filling quartz sand particle diameter of filter medium 0.5-1.2mm in sand filter 2, periodically takes out prefiltration plate 1, to the filler top layer of sand filter 2
Renovated, to ensure filtering rate and effect.Sanitary wastewater enters in regulating reservoir 3 after being filtered through sand filter 2, plays equal Hengshui
The effect of matter and water.
2 ooze processing stage soon：
The water outlet of regulating reservoir 3 is lifted into sprinkler 7 through water pump 4, controls flow of inlet water by flowmeter 6, passes through relay 5
Control flooding time.Each cycle runs 12h, wet-dry ratio 1:3~1:4,0.5~1.0m/d of hydraulic load.The sprinkler 7 is located at
The interior top of pond 8 is oozed soon, is easy to water distribution uniform by the water inlet of sprinkler 7.Interior pond 8 is oozed soon and oozes to be filled with outer pond 9 soon has hung
The packing layer of film, is irregularly renovated to filler top layer.Interior pond 8 is oozed soon and oozes the filler top and bottom 50mm in outer pond 9 soon
Height section is respectively arranged with above cushion, top buffer layer is reserved with 200mm protection height respectively, prevents super into water or water outlet
Cross after operational height and overflow.Uniformly perforate and connected with oozing outer pond 9 soon, current in the periphery for oozing the interior bottom 50mm height sections of pond 8 soon
Outer pond 9 can be oozed soon from oozing the interior bottom hole of pond 8 soon and penetrating into.Interior pond 8 is oozed soon and the outer delivery port of pond 9 is oozed soon is provided with many metafiltration
Cloth, prevents filtrate with water bleeder.
3 advanced treating stages：
Ooze the outer water outlet of pond 9 soon and enter distillation pond 10, high temperature it is water, the inner surface of condensing unit 11 covered with suction
Attached carbon 11.1 removes the pollutant in sanitary wastewater, and the environment being likely to result in reducing sanitary wastewater to recycle or directly discharge is endangered
Evil, while the high temperature that condensing unit 11 carries out liquidation exothermic reaction generation moment to steam is efficiently located to harmful substances such as bacteriums
Reason, the delivery port in distillation pond 10 is provided with liquid waste collection device, while the middle part for distilling pond 10 is provided with some groups of UV lamp groups
12, it is ensured that UV lamp group 12 and the Maximum Contact area of steam, UV lamp group kill bacterium remaining in waste water, fungi, virus
Deng harmful microorganism, further optimize effluent quality.Steam first passes through plasma purifier 13 and sterilized by UV lamp group 12,
Plasma purifier 13 removes most of anion surfactant (LAS), organic matter, nitrogen and phosphorus element in sanitary wastewater etc.
Pollutant, the environmental hazard being likely to result in is recycled or directly discharges to reduce sanitary wastewater.
Reached using every water quality index after technical finesse sanitary wastewater《Urban sewage reutilization urban reclaimed water
Water standard GB/T1890-2002》It is required that, also there is preferable treatment effect to suspended solid, total nitrogen, total phosphorus, water outlet can be with
Be back to flush the toilet, road-cleaning, fire-fighting, greening, vehicle wash, construction etc., with significant social benefit, economic benefit
And environmental benefit.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
Those of ordinary skill can make according to these technical inspirations disclosed by the invention various does not depart from the other each of essence of the invention
Plant specific deformation and combine, these deformations and combination are still within the scope of the present invention.
Claims (9)
1. waste water multiple purifying device, including pretreatment unit, ooze processing unit and advanced treatment unit soon, pending waste water according to
Secondary process pretreatment unit, processing unit and advanced treatment unit are oozed soon；It is characterized in that：The processing unit that oozes soon is included soon
Ooze interior pond (8), ooze outer pond (9) soon, pending waste water through it is too fast ooze interior pond (8) enter ooze outer pond (9) soon；The advanced treating list
Member is constituted by distilling pond (10), and the water inlet of distillation pond (10) is connected with oozing outer pond (9) soon, and the outlet of the distillation pond (10) is set
It is equipped with the middle part of condensing unit (11), the distillation pond (10) and is provided with some groups of UV lamp groups (12)；Distill inside pond (10) also
It is provided with plasma purifier (13).
2. waste water multiple purifying device according to claim 1, it is characterised in that：The pretreatment unit includes prefiltration
Plate (1), sand filter (2) and regulating reservoir (3), the prefiltration plate (1) are arranged in the top of sand filter (2), and sand filter (2) is with adjusting
Pond (3) are saved to be interconnected.
3. waste water multiple purifying device according to claim 2, it is characterised in that：Regulating reservoir (3) delivery port with it is fast
Ooze and be connected with water pump (4), flowmeter (6) and sprinkler (7) in turn between interior pond (8) water inlet.
4. waste water multiple purifying device according to claim 2, it is characterised in that：Filling quartz in the sand filter (2)
Sand filtering material.
5. waste water multiple purifying device according to claim 3, it is characterised in that：Be additionally provided with the water pump (4) after
Electrical equipment (5).
6. waste water multiple purifying device according to claim 1, it is characterised in that：The inner surface covering of the condensing unit
There is absorption carbon (11.1).
7. waste water multiple purifying device according to claim 1, it is characterised in that：The UV lamp group (12) includes at least four
Filter lamp bracket and UV lamp are drained through, UV lamp is uniformly fixed on filtering lamp bracket, and it is 210mm to be often drained through the distance between filter lamp bracket；Institute
The UV lamp stated is 100W, and UV lamp quantity is at least 72.
8. waste water multiple purifying device according to claim 1, it is characterised in that：The UV lamp group (12) is vertically installed at
The middle part of pond (10) is distilled, fluorescent tube and distillation pond (10) dolly are straight.
9. waste water multiple purifying device according to claim 1, it is characterised in that：Plasma purifier (13) peace
Bottom mounted in UV lamp group (12), steam first passes through plasma purifier (13) by UV lamp group (12) sterilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155423.4A CN107055901A (en) | 2017-03-16 | 2017-03-16 | Waste water multiple purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155423.4A CN107055901A (en) | 2017-03-16 | 2017-03-16 | Waste water multiple purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107055901A true CN107055901A (en) | 2017-08-18 |
Family
ID=59620990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710155423.4A Withdrawn CN107055901A (en) | 2017-03-16 | 2017-03-16 | Waste water multiple purifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107055901A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127955A (en) * | 2019-06-12 | 2019-08-16 | 成都工业学院 | A kind of double pond manual controlled infusions and method for low C/N than wastewater efficient denitrogenation |
-
2017
- 2017-03-16 CN CN201710155423.4A patent/CN107055901A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110127955A (en) * | 2019-06-12 | 2019-08-16 | 成都工业学院 | A kind of double pond manual controlled infusions and method for low C/N than wastewater efficient denitrogenation |
| CN110127955B (en) * | 2019-06-12 | 2024-04-30 | 成都工业学院 | Double-pond artificial rapid infiltration system and method for high-efficiency denitrification of low-C/N ratio sewage |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170818 |