CN108017145A - The method that polymer-containing sewage in oil field is handled for the biosystem of carrier based on luffa - Google Patents
The method that polymer-containing sewage in oil field is handled for the biosystem of carrier based on luffa Download PDFInfo
- Publication number
- CN108017145A CN108017145A CN201711348275.4A CN201711348275A CN108017145A CN 108017145 A CN108017145 A CN 108017145A CN 201711348275 A CN201711348275 A CN 201711348275A CN 108017145 A CN108017145 A CN 108017145A
- Authority
- CN
- China
- Prior art keywords
- pond body
- pond
- sewage
- luffa
- aeration
- 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
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
- C02F3/10—Packings; Fillings; Grids
- C02F3/101—Arranged-type packing, e.g. stacks, arrays
-
- 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
- C02F3/1205—Particular type of activated sludge processes
-
- 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
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses it is a kind of based on luffa for carrier biosystem handle polymer-containing sewage in oil field method, the described method includes：Using aeration and biological processing pond to being handled containing polyacrylamide sewage water, wherein, the aeration and biological processing pond includes pond body, stent is fixed with the pond body, multiple nylon ropes vertically set are fixed with the stent, multiple luffa biologic packing materials are fixed with the every nylon rope along its length, the active sludge of interior underfill of the pond body, enters after the pond body by being discharged after the activated sludge and the luffa biologic packing material degradation treatment containing polyacrylamide sewage water.Solve in microorganism aerobic processing method, traditional filler is expensive, and specific surface area is smaller, and easily cohesion knots, smaller with the contact area of organic pollution, and non-degradable in the environment, easily causes secondary pollution problems with the discharge of sewage.
Description
Technical field
The present invention relates to water treatment field, and in particular, to a kind of to handle oil based on luffa for the biosystem of carrier
The method of field polymer-bearing waste-water.
Background technology
At present, exploitation of the China to petroleum-based energy has come into the middle and later periods, and moisture content constantly improves.Polyacrylamide
It is a kind of linear macromolecule polymer, soluble easily in water, large viscosity, is widely used in because of its preferable physical and chemical performance
Technical field of tertiary oil recovery.Polyacrylamide is also brought latent while tertiary oil recovery rate is improved for ecological environment and the mankind
Harm.Polyacrylamide is used as oil displacement agent injection underground, inevitably penetrates into water table, soil horizon, rock
Layer etc., nontoxic polyacrylamide itself can slowly discharge poisonous acrylamide monomer, and acrylamide monomer is easily carcinogenic, invades
The respiratory system of victimization body, nervous system and reproductive system etc., have eyes, skin etc. violent stimulation.In order to subtract
Harm of the small polyacrylamide to the mankind and environment, polyacrylamide are degraded into the problem of very urgent.In recent years, physics
The method that method, chemical method, bioanalysis, photocatalysis and above method be combined with each other becomes the primary hand of degradation of polypropylene acid amides
Section, microbial method is because its cost is low, and environmental suitability is strong, high treating effect, environment friendly and pollution-free and become degradation of polypropylene acid amides
Main means.In microorganism aerobic processing method, biological contact oxidation process is a kind of efficient processing method, wherein, filler
Carrier is the key in whole processing procedure, provides place for the growth and breeding of microorganism, influences distribution and the kind of microorganism
Class.Traditional combined fiber filler is expensive, and specific surface area is smaller, and easily cohesion knots, and reduces the contact with organic pollution
Area, so that the degradation rate of pollutant is impacted, and non-degradable in the environment, with the discharge of sewage, into rivers
System is eaten by atoms such as fish, shrimps, and micro fibers remain in small organisms, is damaged indirectly to the mankind, and is easily made
Into secondary pollution, to environment, there are potentially hazardous.Therefore, environmental-friendly and excellent performance biologic packing material is particularly needed in life
Thing method processing polyacrylamide sewage water field.
The content of the invention
The object of the present invention is to provide a kind of side for handling polymer-containing sewage in oil field for the biosystem of carrier based on luffa
Method, solves in microorganism aerobic processing method, and traditional filler is expensive, and specific surface area is smaller, and easily cohesion knots, with
The contact area of organic pollution is smaller, and non-degradable in the environment, easily as the discharge of sewage causes secondary pollution etc. to ask
Topic.
To achieve these goals, contained the present invention provides a kind of based on luffa for the biosystem processing oil field of carrier
The method of poly- sewage, the described method includes：Using aeration and biological processing pond to being handled containing polyacrylamide sewage water, wherein,
The aeration and biological processing pond includes pond body, and stent is fixed with the pond body, is fixed with the stent multiple along vertical side
To the nylon rope of setting, multiple luffa biologic packing materials, the pond body are fixed with the every nylon rope along its length
The active sludge of interior underfill, containing polyacrylamide sewage water enter the pond body after pass through the activated sludge and the silk
Discharged after melon network biologic packing material degradation treatment.
Preferably, the aeration and biological processing pond further includes the air compressor being arranged at outside the pond body, the pond
Internal bottom is fixed with the aerator being connected with the air compressor, using aeration and biological processing pond to containing polyacrylamide
When amine sewage is handled, outside air is compressed in pond body by the air compressor.
Preferably, the pond body is further fixed on heating unit, using aeration and biological processing pond to containing polyacrylamide sewage water
When being handled, the temperature in the pond body is controlled using the heating unit.
Preferably, one end of the pond body is connected by wastewater influent pipeline with wastewater influent pond, the pond body it is another
One end is connected by sewage outlet conduit with sewage discharge bay, and peristaltic pump is provided with the wastewater influent pipeline so that dirty
Being driven containing polyacrylamide sewage water by the peristaltic pump from the wastewater influent pipeline in water intake pool enters the pond
In vivo, and by the sewage outlet conduit it is discharged into the sewage discharge bay.
Preferably, one end in the wastewater influent pipeline close to the pond body is connected with the lower end of the pond body, institute
One end in sewage outlet conduit close to the pond body is stated with the upper end of the pond body to be connected.
Preferably, one end in the wastewater influent pipeline close to the pond body is provided with inlet valve, and the sewage goes out
One end in waterpipe close to the pond body is provided with flowing water Valve.
According to above-mentioned technical proposal, contained the present invention provides a kind of based on luffa for the biosystem processing oil field of carrier
The method of poly- sewage, the described method includes：Using aeration and biological processing pond to being handled containing polyacrylamide sewage water, wherein,
The aeration and biological processing pond includes pond body, and stent is fixed with the pond body, is fixed with the stent multiple along vertical side
To the nylon rope of setting, multiple luffa biologic packing materials, the pond body are fixed with the every nylon rope along its length
The active sludge of interior underfill, containing polyacrylamide sewage water enter the pond body after pass through the activated sludge and the silk
Discharged after melon network biologic packing material degradation treatment.Use environment friendly biologic packing material is combined processing with biological treatment tank and contains poly- third
Acrylamide sewage, compared with original method, selected biologic packing material is simple in structure, and raw material is easy to get, and cost is low, is readily cleaned,
The repeated multiple times recycling of energy, suction-operated is good, rough surface, and net structure and fiber Pipe bundle structure increase its specific surface area and have
Beneficial to the growth and attachment of microorganism, the palliating degradation degree containing polyacrylamide sewage water is substantially increased.Containing polyacrylamide sewage water
After biological film process accompanying by activated sludge and luffa filler, aeration and biological processing pond is flowed out.Polyacrylamide and COD
Influent concentration be respectively 300mg/L, 520mg/L, after the processing of aeration and biological processing pond, aqueous concentration is respectively 185mg/L,
185mg/L, its removal rate respectively reach 35% and 65%.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Attached drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structure chart of aeration and biological processing pond in the present invention；
Fig. 2 is the pictorial diagram of luffa biologic packing material in the present invention；
Fig. 3 is the pictorial diagram after luffa biologic packing material biofilm in the present invention；
Fig. 4 is the SEM figures on luffa biologic packing material surface in the present invention；
Fig. 5 is the SEM figures of luffa biologic packing material section in the present invention；
Fig. 6 is the removal effect figure of COD in the present invention；
Fig. 7 is the removal effect figure of polyacrylamide in the present invention.
Description of reference numerals
1- wastewater influents pond 2- wastewater influent pipelines
3- air compressor 4- peristaltic pumps
5- inlet valve 6- aerators
7- heating unit 8- nylon ropes
9- luffa biologic packing material 10- stents
11- activated sludge 12- pond bodies
13- flowing water Valve 14- sewage outlet conduits
15- sewage discharge bays
Embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing.It is it should be appreciated that described herein
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
As shown in Figure 1：A kind of method that polymer-containing sewage in oil field is handled for the biosystem of carrier based on luffa, the side
Method includes：Using aeration and biological processing pond to being handled containing polyacrylamide sewage water, wherein, the aeration and biological processing pond bag
Pond body 12 is included, stent 10 is fixed with the pond body 12, multiple nylon vertically set are fixed with the stent 10
Rope 8, is fixed with multiple luffa biologic packing materials 9 on the every nylon rope 8 along its length（Its pictorial diagram and SEM figures are shown in
Fig. 2-Fig. 5）, the active sludge 11 of interior underfill of the pond body 12, after entering the pond body 12 containing polyacrylamide sewage water
By being discharged after the activated sludge 11 and 9 degradation treatment of luffa biologic packing material.Use environment friendly biologic packing material
Processing, which is combined, with biological treatment tank contains polyacrylamide sewage water, compared with original method, the letter of selected biologic packing material structure
Single, raw material is easy to get, and cost is low, is readily cleaned, can repeated multiple times recycling, suction-operated is good, rough surface, net structure and
Fiber Pipe bundle structure increases the growth and attachment that its specific surface area is conducive to microorganism, substantially increases containing polyacrylamide sewage water
Palliating degradation degree.Containing polyacrylamide sewage water after biological film process accompanying by activated sludge and luffa filler, outflow exposes
Gas biological treatment tank.
In a kind of preferred embodiment of the present invention, in order to enable keeping sufficient oxygen in aeration and biological processing pond
Gas, beneficial to the breeding and growth of microorganism, the aeration and biological processing pond further includes the air being arranged at outside the pond body 12
Compressor 3, bottom is fixed with the aerator 6 being connected with the air compressor 3 in the pond body 12, utilizes aeration and biological
When processing pond containing polyacrylamide sewage water to handling, outside air is compressed to by pond body 12 by the air compressor 3
It is interior.
In a kind of preferred embodiment of the present invention, for the breeding and growth beneficial to microorganism, the pond body 12
Heating unit 7 is further fixed on, during using aeration and biological processing pond to being handled containing polyacrylamide sewage water, utilizes the heating
Device 7 controls the temperature in the pond body 12.
In a kind of preferred embodiment of the present invention, pond body is flowed through containing polyacrylamide sewage water to preferably drive
12, one end of the pond body 12 is connected by wastewater influent pipeline 2 with wastewater influent pond 1, and the other end of the pond body 12 leads to
Cross sewage outlet conduit 14 with sewage discharge bay 15 to be connected, peristaltic pump 4 is provided with the wastewater influent pipeline 2 so that is dirty
Being driven containing polyacrylamide sewage water by the peristaltic pump 4 in water intake pool 1 enters described from the wastewater influent pipeline 2
In pond body 12, and it is discharged into by the sewage outlet conduit 14 in the sewage discharge bay 15.
The present invention a kind of preferred embodiment in, in order to enable containing polyacrylamide sewage water can sufficiently with work
Property sludge and luffa biologic packing material 9 be in contact, close to one end and the pond of the pond body 12 in the wastewater influent pipeline 2
The lower end of body 12 is connected, close to one end of the pond body 12 and the upper end phase of the pond body 12 in the sewage outlet conduit 14
Connection.
In a kind of preferred embodiment of the present invention, pond body is flowed through containing polyacrylamide sewage water to preferably control
12 and the flow velocity and flow of discharge pond body 12, one end in the wastewater influent pipeline 2 close to the pond body 12 be provided with into water
Valve 5, one end in the sewage outlet conduit 14 close to the pond body 12 are provided with flowing water Valve 13.
In a kind of specific embodiment of the present invention, polyacrylamide sewage water will be contained（Polyacrylamide and COD into
Water concentration is respectively 300mg/L, 520mg/L）It is discharged into wastewater influent pond 1, passes through the peristaltic pump 4 containing polyacrylamide sewage water
Driving is entered in the pond body 12 from the wastewater influent pipeline 2, controls the oxygen in pond body 12 to contain using air compressor 3
Amount, the temperature in the pond body 12 is controlled using heating unit 7, is given birth to containing polyacrylamide sewage water through activated sludge 11 and luffa
After 9 degradation treatment of thing filler, it is discharged into by sewage outlet conduit 14 in the sewage discharge bay 15.At aeration and biological processing pond
After reason, aqueous concentration is respectively 185mg/L, 185mg/L, its removal rate respectively reaches 35% and 65%（Treatment effect is shown in Fig. 6 and figure
7）.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (6)
- A kind of 1. method that polymer-containing sewage in oil field is handled for the biosystem of carrier based on luffa, it is characterised in that the side Method includes：Using aeration and biological processing pond to being handled containing polyacrylamide sewage water, wherein, the aeration and biological processing pond bag Include pond body（12）, the pond body（12）Inside it is fixed with stent（10）, the stent（10）On be fixed with and multiple vertically set The nylon rope put（8）, the every nylon rope（8）On be fixed with multiple luffa biologic packing materials along its length（9）, it is described Pond body（12）The active sludge of interior underfill（11）, enter the pond body containing polyacrylamide sewage water（12）Afterwards by described Activated sludge（11）With the luffa biologic packing material（9）Discharged after degradation treatment.
- 2. according to the method described in claim 1, it is characterized in that, the aeration and biological processing pond further includes and is arranged at the pond Body（12）Exterior air compressor（3）, the pond body（12）Interior bottom is fixed with and the air compressor（3）It is connected Aerator（6）, during using aeration and biological processing pond to being handled containing polyacrylamide sewage water, pass through the air compressor （3）Outside air is compressed to pond body（12）It is interior.
- 3. the according to the method described in claim 1, it is characterized in that, pond body（12）It is further fixed on heating unit（7）, utilize When aeration and biological processing pond containing polyacrylamide sewage water to handling, the heating unit is utilized（7）Control the pond body （12）Interior temperature.
- 4. the according to the method described in claim 1, it is characterized in that, pond body（12）One end pass through wastewater influent pipeline （2）With wastewater influent pond（1）It is connected, the pond body（12）The other end pass through sewage outlet conduit（14）With sewage discharge bay （15）It is connected, the wastewater influent pipeline（2）On be provided with peristaltic pump（4）So that wastewater influent pond（1）Interior contains polypropylene Acid amides sewage passes through the peristaltic pump（4）Drive from the wastewater influent pipeline（2）Enter the pond body（12）It is interior, and pass through The sewage outlet conduit（14）It is discharged into the sewage discharge bay（15）It is interior.
- 5. the according to the method described in claim 4, it is characterized in that, wastewater influent pipeline（2）In close to the pond body （12）One end and the pond body（12）Lower end be connected, the sewage outlet conduit（14）In close to the pond body（12）'s One end and the pond body（12）Upper end be connected.
- 6. the according to the method described in claim 5, it is characterized in that, wastewater influent pipeline（2）In close to the pond body （12）One end be provided with inlet valve（5）, the sewage outlet conduit（14）In close to the pond body（12）One end set There is flowing water Valve（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711348275.4A CN108017145A (en) | 2017-12-15 | 2017-12-15 | The method that polymer-containing sewage in oil field is handled for the biosystem of carrier based on luffa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711348275.4A CN108017145A (en) | 2017-12-15 | 2017-12-15 | The method that polymer-containing sewage in oil field is handled for the biosystem of carrier based on luffa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108017145A true CN108017145A (en) | 2018-05-11 |
Family
ID=62073919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711348275.4A Pending CN108017145A (en) | 2017-12-15 | 2017-12-15 | The method that polymer-containing sewage in oil field is handled for the biosystem of carrier based on luffa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108017145A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992023A (en) * | 2020-06-30 | 2020-11-27 | 桂林理工大学 | Method for intensively washing and purifying catering lampblack by using loofah sponge and application of method |
| CN113403055A (en) * | 2021-08-18 | 2021-09-17 | 北京石大瑞伽石油技术开发有限公司 | Water-soluble polymer degradation agent and preparation and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69410039T2 (en) * | 1993-09-01 | 1999-02-04 | Nalco Chemical Co | Decolorization of pulp and paper waste water with a reducing agent and a polymer |
| CN201003006Y (en) * | 2007-02-13 | 2008-01-09 | 山东大学 | Loofah carrier biological contacting oxidation bed |
| CN103241831A (en) * | 2013-05-28 | 2013-08-14 | 西安建筑科技大学 | Biological granulation fluidized bed wastewater treatment process based on sludge activity regeneration and reactor |
| CN205500901U (en) * | 2016-02-26 | 2016-08-24 | 江苏万城清逸环保有限公司 | Effluent treatment plant is strained to biomembrane |
| CN107265621A (en) * | 2017-07-05 | 2017-10-20 | 中国海洋大学 | Polymer-bearing waste-water membrane bioreactor advanced treatment apparatus |
-
2017
- 2017-12-15 CN CN201711348275.4A patent/CN108017145A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69410039T2 (en) * | 1993-09-01 | 1999-02-04 | Nalco Chemical Co | Decolorization of pulp and paper waste water with a reducing agent and a polymer |
| CN201003006Y (en) * | 2007-02-13 | 2008-01-09 | 山东大学 | Loofah carrier biological contacting oxidation bed |
| CN103241831A (en) * | 2013-05-28 | 2013-08-14 | 西安建筑科技大学 | Biological granulation fluidized bed wastewater treatment process based on sludge activity regeneration and reactor |
| CN205500901U (en) * | 2016-02-26 | 2016-08-24 | 江苏万城清逸环保有限公司 | Effluent treatment plant is strained to biomembrane |
| CN107265621A (en) * | 2017-07-05 | 2017-10-20 | 中国海洋大学 | Polymer-bearing waste-water membrane bioreactor advanced treatment apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992023A (en) * | 2020-06-30 | 2020-11-27 | 桂林理工大学 | Method for intensively washing and purifying catering lampblack by using loofah sponge and application of method |
| CN113403055A (en) * | 2021-08-18 | 2021-09-17 | 北京石大瑞伽石油技术开发有限公司 | Water-soluble polymer degradation agent and preparation and application thereof |
| CN113403055B (en) * | 2021-08-18 | 2021-11-09 | 北京石大瑞伽石油技术开发有限公司 | Water-soluble polymer degradation agent and preparation and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8764986B2 (en) | Submerged system and method for removal of undesirable substances from aqueous media | |
| CN205241356U (en) | Ecological chinampa water treatment facilities of solar energy combined type | |
| CN103043852B (en) | Wastewater treatment process and device | |
| CN102464404A (en) | Method and system for remediation and treatment of polluted river water | |
| CN103241907A (en) | Method and device for treating organic oil-containing wastewater | |
| CN105645601B (en) | A kind of biofilter and sewage water treatment method | |
| CN107162349A (en) | A kind of duct type highlands sewage treatment unit and processing method | |
| CN108017145A (en) | The method that polymer-containing sewage in oil field is handled for the biosystem of carrier based on luffa | |
| CN204022545U (en) | Micro-pore aeration ecological matrix | |
| CN205204909U (en) | Riverway water body prosthetic devices | |
| CN110422961A (en) | A kind of water environment restoration of the ecosystem equipment | |
| CN111995193A (en) | Integrated intelligent device and method for advanced treatment of medical wastewater | |
| CN205035137U (en) | Point source sewage treatment plant | |
| CN106904743A (en) | A kind of water-treatment biological membrane reactor | |
| JP2003340489A (en) | Water cleaning apparatus in closed water area | |
| AU2010212397B2 (en) | Aeration device | |
| JP2005000784A (en) | Closed water area cleaning facility | |
| CN106186306A (en) | A kind of processing means strengthening dyeing waste water hard-degraded substance removal effect and method | |
| CN103241906B (en) | Sewage treatment method and device for reusing reclaimed water as landscape water | |
| CN110194566A (en) | A kind of device and method handling micropollutant water | |
| CN109502933A (en) | A kind of processing method and system containing polyacrylamide waste water | |
| CN206467036U (en) | Short distance nitration Anammox manifold type denitrification reactor | |
| CN202440363U (en) | Novel sewage treatment bioreactor | |
| CN205710084U (en) | A kind of water treatment facilities | |
| CN208429923U (en) | A kind of shock resistance aquaculture governing system |
Legal Events
| 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180511 |