CN107311308A - A kind of biomembrance process synchronously removes the technique with enriched phosphorus - Google Patents
A kind of biomembrance process synchronously removes the technique with enriched phosphorus Download PDFInfo
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- CN107311308A CN107311308A CN201610265788.8A CN201610265788A CN107311308A CN 107311308 A CN107311308 A CN 107311308A CN 201610265788 A CN201610265788 A CN 201610265788A CN 107311308 A CN107311308 A CN 107311308A
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- Prior art keywords
- phosphorus
- technique
- enriched
- rich
- biofilm reactor
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Classifications
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- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- 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
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The technique with enriched phosphorus, including biofilm reactor, phosphorus recovery device and control system are synchronously removed the invention discloses a kind of biomembrance process, the specific steps of the technique include：Step 1) biologic packing material after biofilm is put into the biofilm reactor；Step 2) the alternate run biofilm reactor under conditions of aerobic and anaerobism, the removal of phosphorus is carried out to phosphorus-containing wastewater under aerobic condition, rich phosphorus solution is reclaimed by phosphorus recovery device under anaerobic.The technique of the present invention, available for the removal of phosphorus in sanitary sewage or industrial wastewater, is synchronously realized by the biological agent of polyP bacteria and very small amount of sludge is produced in the enrichment and recovery of phosphorus solution, technique, and it is few to be consumed energy in running.
Description
Technical field
Synchronously removed and enriched phosphorus the present invention relates to field of biological sewage treatment, more particularly to a kind of biomembrance process
Technique.
Background technology
Phosphorus has in the double grading of scarcity and contaminative, municipal wastewater treatment plant simultaneously as a kind of valuable source
Phosphorus by the main source as following reclamation of phosphorus resource.
Enhanced biological phosphorus removal technique (EPBR) used in existing municipal wastewater treatment plant is main remaining by discharging
Sludge is made a return journey except the phosphorus in sewage, therefore with higher sludge yield；In terms of phosphorus recovery, for example, throw
Enter the enhanced biological phosphorus removal effluent phosphorus absorption method of operation, guanite method is carried out to the anaerobic supernatant of excess sludge
Phosphorus is reclaimed, this method and some other methods for reclaiming phosphorus from sludge, and all existing makes phosphorus multiple in dirt
The body-internal-circulation of mud, the problem of not only consuming excess energy and produce unnecessary greenhouse gases, and the recovery of phosphorus
Respective flow is needed with removing, thus with higher technology and financial cost.
Because the characteristics of the biology on biomembrane has generation time length, biomass is big, biomembrance process is with it
Reason efficiency high and operating cost are low and be widely used in the removal of phosphor in sewage.
The content of the invention
The invention aims to solve the above problems synchronously to remove and enriched phosphorus there is provided a kind of biomembrance process
Technique, synchronously realize the removal of phosphorus and the enrichment of phosphorus solution and recovery.
To achieve the above object, the present invention provides a kind of biomembrance process synchronously removal and the technique of enriched phosphorus, its
In, including biofilm reactor, phosphorus recovery device and control system, the specific steps of the technique include：
Step 1) biologic packing material after biofilm is put into the biofilm reactor；
Step 2) the alternate run biofilm reactor under conditions of aerobic and anaerobism, under aerobic condition to containing
Phosphorus waste water carries out the removal of phosphorus, and rich phosphorus solution is reclaimed under anaerobic to phosphorus recovery device.
Further, step 1) in, the biofilm of the biologic packing material is carried out in activated sludge.
Further, step 2) in, the operation of biofilm reactor, in addition to a preliminary stage, pass through
The aerobic and alternate reaction condition of anaerobism, through domestication and culture after a while, makes the concentration of phosphorus in water outlet
Tend towards stability, the polyP bacteria of high concentration is enriched with biomembrane.
Further, water inlet is phosphorus-containing wastewater under the aerobic condition, and it is available for repeatedly to match somebody with somebody under anaerobic condition
The rich phosphorus base fluid used.
Further, biofilm reactor is under aerobic condition, and phosphorus-containing wastewater, which enters, is provided with aerator
Biofilm reactor, biomembrane is through aerobic phosphorus absorption after a while, by the direct discharging of waste water after processing.
Further, biofilm reactor under anaerobic, to clean water source as rich phosphorus base fluid, is stored
In phosphorus recovery device, the rich phosphorus base fluid is passed through through anaerobic phosphorus release after a while in biofilm reactor,
Phosphorus concentration in rich phosphorus base fluid constantly rises, and the rich phosphorus solution that high phosphorus concentration is obtained through being enriched with after a while is returned
Receive to phosphorus recovery device.
Further, the rich phosphorus base fluid is passed through in biofilm reactor through anaerobic phosphorus release after a while
During, it is additionally added a certain amount of degradable carbon source that can be utilized by polyP bacteria such as methanol, ethanol, acetic acid
Or the waste water containing these carbon sources, make the polyP bacteria on biomembrane that phosphorus is discharged into rich phosphorus base fluid.
Further, the rich phosphorus solution is promoted in phosphorus recovery device by elevator pump is reclaimed.
Further, the phosphorus recovery device includes phosphorus recovery pond, phosphorus recycling can or phosphorus recycling bin.
Further, including in parallel multigroup operation is reacted rich in the sequencing batch biofilm for having polyP bacteria
Device.
Compared with prior art, advantage of the invention is that：The technique of the present invention, available for sanitary sewage or
The removal of phosphorus in industrial wastewater, realizes by the biological agent of polyP bacteria and synchronously the enrichment of phosphorus solution with returning
Receive, very small amount of sludge is produced in technique, and it is few to be consumed energy in running.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes one of the present invention
Point, schematic description and description of the invention is used to explain the present invention, does not constitute to the present invention not
Work as restriction.In the accompanying drawings：
Fig. 1 is removed for a kind of biomembrance process synchronization that inventive embodiments are provided and the flow of the technique of enriched phosphorus is shown
It is intended to.
Fig. 2 is provided in an embodiment of the present invention a kind of for the synchronous combination biological treatment system removed with enriched phosphorus
The schematic diagram of the operating mode one of system.
Fig. 3 is provided in an embodiment of the present invention a kind of for the synchronous combination biological treatment system removed with enriched phosphorus
The schematic diagram of the operating mode two of system.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with present invention specific implementation
Technical solution of the present invention is clearly and completely described for example and corresponding accompanying drawing.Obviously, described reality
It is only a part of embodiment of the invention to apply example, rather than whole embodiments.Based on the embodiment in the present invention,
The every other implementation that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Shown in Figure 1, a kind of biomembrance process of the embodiment of the present invention synchronously removes the technique with enriched phosphorus, its
Involved equipment includes：Biofilm reactor 1, the aerator 4 in biofilm reactor 1,
The phosphorus recycling can 2 connected with biofilm reactor 1, the elevator pump 3 for lifting rich phosphorus solution and for controlling
The control system (not shown) of the parameters such as flooding time processed, inflow, aeration time.
Concrete technology step is as follows：
Step 1) biologic packing material after biofilm is put into biofilm reactor 1, such as elastic filler, nylon is filled out
Material, fiberfill and combined stuffing etc..
Appropriate materials are chosen as biologic packing material, biomembrane reaction is put into being put into activated sludge after biofilm success
In device.Wherein, biofilm is by bacterium, fungi, protozoan and algae in biologic packing material outer layer apposition growth
The biomembrane that the microorganisms such as class are formed, by the alternate run of anaerobic and aerobic, with certain density phosphorus solution
Filter out the poly- phosphorus biomembrane by dominant colony of polyP bacteria.
Step 2) the alternate run biofilm reactor under conditions of aerobic and anaerobism, under aerobic condition to containing
Phosphorus waste water carries out the removal of phosphorus, and rich phosphorus liquid is reclaimed under anaerobic to phosphorus recycling can 2.
In the present embodiment, using phosphorus recycling can as phosphorus recovery device, it can also use in other embodiments
Phosphorus recovery pond or phosphorus recycling bin.
In biofilm reactor 1, aerobic environment is provided by aerator 4.The fortune of biofilm reactor 1
OK, be divided into two stages, including preliminary stage, enrichment and recovery stage, each stage can aerobic and
Run under the conditions of anaerobism is alternate.
Biofilm reactor 1 first passes through the aerobic and alternate reaction condition of anaerobism in the preliminary stage of operation,
Through domestication and culture after a while, the polyP bacteria of high concentration, phosphorus in monitoring water outlet are enriched with biomembrane
Concentration tend towards stability after, then initially enter enrichment and recovery stage.
Biofilm reactor 1 carries out the removal of phosphorus, anaerobic condition under enrichment and recovery stage, aerobic condition
The lower recovery for carrying out rich phosphorus solution.Aerobic stage, phosphorus-containing wastewater enters (i.e. Fig. 1 in biofilm reactor 1
In water inlet), providing appropriate air using aerator 4 makes biofilm reactor 1 be in aerobic stage, raw
Thing film is through aerobic phosphorus absorption after a while so that the phosphorus concentration in solution drops to the standard that can be discharged, with
Afterwards by the direct discharging of waste water (i.e. draining in Fig. 1) after handling；Anaerobic stages, with running water or other
Water source is cleaned as rich phosphorus base fluid, is stored in recycling can 2, the rich phosphorus base fluid is passed through biofilm reactor 1
In, and add a certain amount of degradable carbon source that can be utilized by polyP bacteria such as methanol, ethanol, acetic acid or contain
The waste water of these carbon sources makes the polyP bacteria on biomembrane that phosphorus is discharged into rich phosphorus base fluid, through after a while
Phosphorus concentration in anaerobic phosphorus release, rich phosphorus base fluid constantly rises, and anaerobic stages reuse the rich phosphorus solution, warp
Be enriched with after a while high phosphorus concentration rich phosphorus solution, the rich phosphorus solution phosphate concn is up to 50-
125mg/l, the recovery of the rich phosphorus solution of various concentrations is realized according to the controllable recovery total duration of concentration requirement,
It is promoted in phosphorus recycling can 2 and is reclaimed by elevator pump 3.
A kind of biomembrance process of the embodiment of the present invention synchronously removes the technique with enriched phosphorus, available for sanitary sewage
Or in industrial wastewater phosphorus removal, the removal of phosphorus and rich phosphorus solution are synchronously realized by the biological agent of polyP bacteria
Concentration, efficiency high and meet the following requirement for reclaiming resource in sewage.This technique is compared to suspension growth
Activated Sludge System is compared, and is produced very small amount of sludge, is more met the wastewater processing technology of sustainable development
Requirement.Also, it is few to be consumed energy during this process operation, saves the energy, meets warp of the market to new technology
Ji is required.
Referring to shown in Fig. 2 and Fig. 3, the embodiment of the present invention additionally provides a kind of for synchronous removal and enriched phosphorus
Biological treatment system is combined, is formed side by side with two groups of identical biofilm reactors, with the following two kinds work
Situation.
Fig. 2 shows the running status of operating mode one, and biofilm reactor A1 is in aerobic stage, phosphorus-containing wastewater
Into being provided with the air biofilm reactor A1 of aerator, biomembrane is through aerobic suction after a while
Phosphorus so that the phosphorus concentration in solution drops to the standard that can be discharged, then directly arranges the waste water after handling
Put；At the same time, biofilm reactor A2 is in anaerobism recovery stage, with running water or other cleaning water sources
As rich phosphorus base fluid, it is stored in rich phosphorus solution recycling can B, the rich phosphorus base fluid is passed through biofilm reactor
In A2, and add the degradable carbon source that can be utilized by polyP bacteria such as methanol, ethanol, acetic acid or containing these carbon
The waste water in source makes the polyP bacteria on biomembrane that phosphorus is discharged into rich phosphorus base fluid, is released through anaerobism after a while
Phosphorus concentration in phosphorus, rich phosphorus base fluid constantly rises, and anaerobic stages reuse the rich phosphorus solution, by one section
Time be enriched with high phosphorus concentration rich phosphorus solution.
Fig. 3 shows the running status of operating mode two, and biofilm reactor A1 is in anaerobism recovery stage, and gives birth to
Thing membrane reactor A2 is in aerobic stage.Phosphorus-containing wastewater enters the air biomembrane reaction for being provided with aerator
In device A2, biomembrane is through aerobic phosphorus absorption after a while so that the phosphorus concentration in solution, which drops to, to be discharged
Standard, then by the direct discharging of waste water after handling；At the same time, biofilm reactor A1 is in and detested
Oxygen recovery stage, using running water or other cleaning water sources as rich phosphorus base fluid, is stored in rich phosphorus solution recycling can B
In, the rich phosphorus base fluid is passed through in biofilm reactor A1, and add and a certain amount of can be utilized by polyP bacteria
Degradable carbon source such as methanol, ethanol, acetic acid or the waste water containing these carbon sources make the polyP bacteria on biomembrane will
Phosphorus is discharged into rich phosphorus base fluid, through anaerobic phosphorus release after a while, on the phosphorus concentration in rich phosphorus base fluid is continuous
Rise, anaerobic stages reuse the rich phosphorus solution, through be enriched with after a while high phosphorus concentration rich phosphorus solution.
Operating mode one and toggling for operating mode two can complete continuous stream water inlet and synchronously recovery Anaerobic Rich phosphorus solution.
It is used for the synchronous combination biological treatment system removed with enriched phosphorus using the embodiment of the present invention, it is possible to achieve
The synchronous of phosphorus is removed with reclaiming.Can also be anti-according to the biomembrane of the selection of time varying number of reaction time
Device is answered to combine so that whole system becomes continuous stream.
Above-described instantiation, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the specific embodiment that the foregoing is only the present invention, be not used to
The limitation present invention, within the spirit and principles of the invention, any modification for being made, equivalent substitution, changes
Enter, should be included in the scope of the protection.
Claims (10)
1. a kind of biomembrance process synchronously removes the technique with enriched phosphorus, it is characterised in that including biomembrane reaction
Device, phosphorus recovery device and control system, the specific steps of the technique include：
Step 1) biologic packing material after biofilm is put into the biofilm reactor；
Step 2) the alternate run biofilm reactor under conditions of aerobic and anaerobism, under aerobic condition to containing
Phosphorus waste water carries out the removal of phosphorus, and rich phosphorus solution is reclaimed under anaerobic to phosphorus recovery device.
2. biomembrance process according to claim 1 synchronously removes the technique with enriched phosphorus, it is characterised in that
Step 1) in, the biofilm of the biologic packing material is carried out in activated sludge.
3. biomembrance process according to claim 1 synchronously removes the technique with enriched phosphorus, it is characterised in that
Step 2) in, the operation of biofilm reactor, in addition to a preliminary stage, replaced by aerobic and anaerobism
Reaction condition, through domestication and culture after a while, the concentration of phosphorus in water outlet is tended towards stability, and
The polyP bacteria of high concentration is enriched with biomembrane.
4. biomembrance process according to claim 3 synchronously removes the technique with enriched phosphorus, it is characterised in that
Water inlet is phosphorus-containing wastewater under the aerobic condition, and water inlet is the rich phosphorus base available for Reusability under anaerobic condition
Liquid.
5. biomembrance process according to claim 1 synchronously removes the technique with enriched phosphorus, its feature exists
In biofilm reactor is under aerobic condition, and phosphorus-containing wastewater enters the biomembrane reaction for being provided with aerator
Device, biomembrane is through aerobic phosphorus absorption after a while, by the direct discharging of waste water after processing.
6. biomembrance process according to claim 1 synchronously removes the technique with enriched phosphorus, its feature exists
In biofilm reactor under anaerobic, to clean water source as rich phosphorus base fluid, is stored in phosphorus and reclaims dress
In putting, the rich phosphorus base fluid is passed through in biofilm reactor through anaerobic phosphorus release after a while, rich phosphorus base fluid
In phosphorus concentration constantly rise, obtained through being enriched with after a while high phosphorus concentration rich phosphorus solution be recycled to phosphorus return
Receiving apparatus.
7. biomembrance process according to claim 6 synchronously removes the technique with enriched phosphorus, its feature exists
In, during the rich phosphorus base fluid is passed through in biofilm reactor through anaerobic phosphorus release after a while,
It is additionally added a certain amount of degradable carbon source that can be utilized by polyP bacteria such as methanol, ethanol, acetic acid or contains these
The waste water of carbon source makes the polyP bacteria on biomembrane that phosphorus is discharged into rich phosphorus base fluid.
8. biomembrance process according to claim 6 synchronously removes the technique with enriched phosphorus, its feature exists
In the rich phosphorus solution is promoted in phosphorus recovery device by elevator pump to be reclaimed.
9. the biomembrance process according to any one of claim 1,6,8 is synchronously removed and enriched phosphorus
Technique, it is characterised in that the phosphorus recovery device includes phosphorus recovery pond, phosphorus recycling can or phosphorus recycling bin.
10. biomembrance process according to claim 1 synchronously removes the technique with enriched phosphorus, its feature exists
In, including in parallel multigroup operation rich in the sequencing batch biofilm reactor for having polyP bacteria.
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Cited By (8)
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|---|---|---|---|---|
| CN109485137A (en) * | 2018-11-27 | 2019-03-19 | 济南大学 | A kind of ion exchange membrane bioreactor and its application |
| CN110563156A (en) * | 2019-08-23 | 2019-12-13 | 宁夏元蔚环保科技有限公司 | SBBR sewage treatment device and method for efficiently removing nitrogen and phosphorus |
| CN110668560A (en) * | 2019-10-28 | 2020-01-10 | 苏州科技大学 | Continuous biological nitrogen and phosphorus removal recovery system and process |
| CN111170471A (en) * | 2020-01-16 | 2020-05-19 | 浙江永续环境工程有限公司 | Composite phosphorus-accumulating bacteria flowing biological bed membrane method |
| CN111646573A (en) * | 2020-06-23 | 2020-09-11 | 苏州科技大学 | Phosphorus removal and recovery method by using organic carbon source in municipal sewage |
| CN112645448A (en) * | 2020-11-30 | 2021-04-13 | 苏州科技大学 | Variable volume type operation method applied to process for recovering phosphorus by biomembrane method |
| CN112661266A (en) * | 2020-11-30 | 2021-04-16 | 苏州科技大学 | Process for enriching phosphorus and recovering vivianite by using biomembrane method |
| CN113023887A (en) * | 2021-02-03 | 2021-06-25 | 河海大学 | Phosphorus enrichment method and system based on membrane bioreactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485137A (en) * | 2018-11-27 | 2019-03-19 | 济南大学 | A kind of ion exchange membrane bioreactor and its application |
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| CN111646573B (en) * | 2020-06-23 | 2021-11-23 | 苏州科技大学 | Phosphorus removal and recovery method by using organic carbon source in municipal sewage |
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| CN112661266A (en) * | 2020-11-30 | 2021-04-16 | 苏州科技大学 | Process for enriching phosphorus and recovering vivianite by using biomembrane method |
| CN112645448A (en) * | 2020-11-30 | 2021-04-13 | 苏州科技大学 | Variable volume type operation method applied to process for recovering phosphorus by biomembrane method |
| WO2022110695A1 (en) * | 2020-11-30 | 2022-06-02 | 苏州科技大学 | Process for enriching phosphorus and recovering blue iron ore by using biofilm method |
| CN112645448B (en) * | 2020-11-30 | 2022-08-02 | 苏州科技大学 | Variable volume type operation method applied to process for recovering phosphorus by biomembrane method |
| CN113023887A (en) * | 2021-02-03 | 2021-06-25 | 河海大学 | Phosphorus enrichment method and system based on membrane bioreactor |
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| CN107311308B (en) | 2020-09-04 |
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