CN106492640A - Based on the method that bioinformatics slows down membrane biological pollution - Google Patents
Based on the method that bioinformatics slows down membrane biological pollution Download PDFInfo
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- CN106492640A CN106492640A CN201611028342.XA CN201611028342A CN106492640A CN 106492640 A CN106492640 A CN 106492640A CN 201611028342 A CN201611028342 A CN 201611028342A CN 106492640 A CN106492640 A CN 106492640A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
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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
- C02F3/28—Anaerobic digestion processes
- C02F3/2853—Anaerobic digestion processes using anaerobic membrane bioreactors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/48—Antimicrobial properties
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
Based on the method that bioinformatics slows down membrane biological pollution, membrane technology has efficient solid-liquid separation effect, but membrane pollution problem remains restriction membrane technology in the wide variety of major obstacle of water treatment field.The method that the present invention slows down membrane biological pollution based on bioinformatics includes screening the molecule for possessing target function, molecular targeted is incorporated into two parts on film by obtained；Described screening possesses the molecule of target function to be included recognizing the signaling molecule for starting biofilm formation in membrane biological pollution, the signaling molecule for playing a major role is filtered out from the signaling molecule for obtaining, identification has the molecule of inactivation signaling molecule function, filters out the molecule having no toxic side effect as the molecule for possessing target function from molecule；Described by obtain molecular targeted be incorporated on film, including film matrix material modification mode or membrane surface modification mode；There is the present invention effect is significant, process is simple, good stability and expense is relatively low, can realize the suppression of membrane biological pollution from origin.
Description
Technical field
The invention belongs to the technical field of membrane bioreactor and Water Pollution Control Engineering, and in particular to a kind of based on biology
The method that informaticss slow down membrane biological pollution.
Background technology
Membrane technology has efficient solid-liquid separation effect, and by Chinese scholars and the extensive concern of engineer, but film is dirty
Dye problem remains restriction membrane technology in the wide variety of major obstacle of water treatment field.Fouling membrane can cause the rapid of membrane flux
Decline or the rapid increase of transmembrane pressure, carry out frequently Membrane cleaning or replacement, cause the increase of its operation and maintenance cost.Seek
Effectively control membrane fouling mode is always study hotspot in recent years.
Research about cause of membrane fouling and control is numerous, it is generally recognized that the formation of film surface biological film is membrane biological pollution
It is the main cause of fouling membrane.Therefore, how to suppress biomembranous formation is the key issue for controlling membrane biological pollution, and utilizes
Quorum sensing (quorum sensing, QS) principle suppresses membrane biological pollution to be then expected to fundamentally to solve membrane biological pollution ask
Topic.Quorum sensing is a kind of means of antibacterial communication.By the spontaneous generation of antibacterial, the signaling molecule such as N- of release
Acylhomoserin lactone (AHL), can adjust micropopulation behavior, start biofilm formation.
Environ.Sci.Technol.(2009,43:380–385&2009,43:7409) this principle is applied to film by 7403 first
Environmental capacity field, is prepared for magnetic zymophore (MEC) by quorum sensing enzyme is fixed on magnetic-particle.Experiment shows,
MEC effectively decelerating membrane pollution and can not lose activity.When MEC is applied in laboratory scale MBR of continuous service, with
Traditional compares without enzyme reactor, and MEC reactors enhance permeability of the membrane to a great extent, but enzyme purifying technique is multiple
Miscellaneous, costly, stability is poor.Journal of Membrane Science(2012,411–412:136) 130 propose with micro-
Pore membrane coats quorum quenching bacterium with decelerating membrane pollution, but this microorganism-tube bank is only capable of degraded is diffused into tube bank
In dissolubility signaling molecule, for the signaling molecule not diffused in microorganism-tube bank is without quenching effect.Patent (application number
CN201510292009) based on above research drawback, a kind of fouling membrane inhibitor based on QS technology is added in proposing to MBR,
To instill in calcium chloride solution and formed containing fouling membrane inhibitor containing sodium alginate, garlicin, bromination furanone alcohol mixeding liquid
Microsphere, it is 1 to press in membrane bioreactor during use with sludge quality concentration ratio:50-1:70 disposably add.The method expense
Relatively low, be easily achieved；Regrettably, the inhibitor microsphere can occur the fouling membrane behavior of complexity as additive and inhibitor is micro-
Club is constantly reduced, reduces fouling membrane inhibition with daily spoil disposal.
Content of the invention
In order to solve the above problems, the present invention proposes a kind of fouling membrane suppression for directly acting on film surface based on QS principles
Method processed, the method effect is significant, process is simple, good stability and expense is relatively low can realize membrane biological pollution from origin
Suppression.
The present invention is achieved through the following technical solutions：
A kind of method for slowing down membrane biological pollution based on bioinformatics, comprises the following steps:
Step 1, screening possess the molecule of target function；
Step 2, determination possess the molecule of target function, will be screened in step 1 in the molecule for possessing target function for obtaining
Go out the molecule that the molecule having no toxic side effect is defined as possessing target function；
Step 3, the molecule for possessing target function in step 2 is incorporated on film.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, the screening described in step 1 possess
The method of the molecule of target function, comprises the following steps：
The molecule for possessing target function in step a, first identification membrane biological pollution is the letter that identification starts biofilm formation
Number molecule；
Filter out, in step b, the signaling molecule of the startup biofilm formation obtained from step a, the signal for playing a major role
Molecule；
In step c, the signaling molecule for playing a major role obtained from step b, identification has inactivation signaling molecule function
Molecule, the described molecule with inactivation signaling molecule function are the molecules for possessing target function described in step 1.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, the screening described in step 1 possess target
It is the signaling molecule for recognizing membrane biological pollution decomposable asymmetric choice net film surface biological film to the molecule of function.
The method that membrane biological pollution is slowed down based on bioinformatics of the present invention, the molecule Integration Mode in step 3
It is film matrix material modification mode.
The method that membrane biological pollution is slowed down based on bioinformatics of the present invention, the molecule Integration Mode in step 3
It is membrane surface modification mode.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, step 3 carry out hydrophilic simultaneously to film
Property modified.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, film matrix material modification mode is common
One kind in mixed modification, modification by copolymerization.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, membrane surface modification mode are poly- for interface
One kind in legal, surface-coated method, surface grafting method.
A kind of above-mentioned method that membrane biological pollution is slowed down based on bioinformatics, it is adaptable to film life in membrane bioreactor
The suppression of thing pollution.
As a kind of method for slowing down membrane biological pollution based on bioinformatics of the present invention make use of quorum sensing principle, because
This has the advantages that Pollution restraint effect is significant；Due to a kind of method for slowing down membrane biological pollution based on bioinformatics of the present invention
Film is modified, the molecule for possessing target function is located on film and is directly suppressed or decomposing organism film, therefore there is technique letter
The relatively low beneficial effect of single, good stability and expense.
Description of the drawings
Fig. 1 is the method flow schematic diagram that the present invention slows down membrane biological pollution based on bioinformatics.
Specific embodiment
Specific embodiment one：
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, comprises the following steps:
Step 1, screening possess the molecule of target function；
Step 2, determination possess the molecule of target function, will be screened in step 1 in the molecule for possessing target function for obtaining
Go out the molecule that the molecule having no toxic side effect is defined as possessing target function；
Step 3, the molecule for possessing target function in step 2 is incorporated on film.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, the screening described in step 1 possess
The molecule of target function, comprises the following steps：
The molecule for possessing target function in step a, first identification membrane biological pollution is the letter that identification starts biofilm formation
Number molecule；
Filter out, in step b, the signaling molecule of the startup biofilm formation obtained from step a, the signal for playing a major role
Molecule；
In step c, the signaling molecule for playing a major role obtained from step b, identification has inactivation signaling molecule function
Molecule, the described molecule with inactivation signaling molecule function are the molecules for possessing target function described in step 1.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, the screening described in step 1 possess target
It is the signaling molecule for recognizing membrane biological pollution decomposable asymmetric choice net film surface biological film to the molecule of function.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, the molecule Integration Mode of step 3 is
Film matrix material modification mode.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, the molecule Integration Mode of step 3 is
Membrane surface modification mode.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, step 3 carry out hydrophilic simultaneously to film
Property modified.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, film matrix material modification mode is common
One kind in mixed modification, modification by copolymerization.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, film matrix material modification mode are boundary
One kind in face polymerization, surface-coated method, surface grafting method.
Specific embodiment two：
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, comprises the following steps:
Step 1, screening possess the molecule of target function；
Step 2, determination possess the molecule of target function, will be screened in step 1 in the molecule for possessing target function for obtaining
Go out the molecule that the molecule having no toxic side effect is defined as possessing target function；
Step 3, the molecule for possessing target function in step 2 is incorporated on film.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, the screening described in step 1 possess
The molecule of target function, comprises the following steps：
The molecule for possessing target function in step a, first identification membrane biological pollution is the letter that identification starts biofilm formation
Number molecule；
Filter out, in step b, the signaling molecule of the startup biofilm formation obtained from step a, the signal for playing a major role
Molecule；
In step c, the signaling molecule for playing a major role obtained from step b, identification has inactivation signaling molecule function
Molecule, the described molecule with inactivation signaling molecule function are the molecules for possessing target function described in step 1.
The method that membrane biological pollution is slowed down based on bioinformatics of the present invention, the molecule Integration Mode in step 3
It is membrane surface modification mode.
Specific embodiment three：
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, comprises the following steps:
Step 1, screening possess the molecule of target function；
Step 2, determination possess the molecule of target function, will be screened in step 1 in the molecule for possessing target function for obtaining
Go out the molecule that the molecule having no toxic side effect is defined as possessing target function；
Step 3, the molecule for possessing target function in step 2 is incorporated on film.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, the screening described in step 1 possess
The molecule of target function is the signaling molecule for recognizing membrane biological pollution decomposable asymmetric choice net film surface biological film.
The method that membrane biological pollution is slowed down based on bioinformatics of the present invention, the molecule Integration Mode in step 3
It is film blending and modifying mode.
Specific embodiment four：
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, comprises the following steps:
Step 1, screening possess the molecule of target function；
Step 2, determination possess the molecule of target function, will be screened in step 1 in the molecule for possessing target function for obtaining
Go out the molecule that the molecule having no toxic side effect is defined as possessing target function；
Step 3, the molecule for possessing target function in step 2 is incorporated on film.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, the screening described in step 1 possess
The molecule of target function is the signaling molecule for recognizing membrane biological pollution decomposable asymmetric choice net film surface biological film.
The method that membrane biological pollution is slowed down based on bioinformatics of the present invention, the molecule Integration Mode in step 3
It is using surface-coated method, and simultaneously film is carried out in step 3 hydrophilically modified.
Specific embodiment five：
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, comprises the following steps:
Step 1, the signaling molecule for screening and determining the decomposable asymmetric choice net film surface biological film having no toxic side effect are D-Tyrosine；
Step 2, D-Tyrosine is incorporated on film surface using surface-coated method, while carrying out to film hydrophilically modified.
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, modified film effectively can suppress
Model organism film antibacterial P.aeruginosa attaches to film surface and forms biomembrane, and the growth of model antibacterial P.aeruginosa
Impact is not received.
Specific embodiment six：
The method that membrane biological pollution is slowed down based on bioinformatics of the present invention, described film matrix material modification side
Formula is blending and modifying, the one kind in modification by copolymerization.
Specific embodiment seven：
The method for slowing down membrane biological pollution based on bioinformatics of the present invention, described membrane surface modification mode is
One kind in interfacial polymerization, surface-coated method, surface grafting method.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the knot that makes under the enlightenment of the present invention
Structure change or method improve, every with of the invention with same or like technical scheme, each fall within protection scope of the present invention
Within.
Claims (8)
1. a kind of method that membrane biological pollution is slowed down based on bioinformatics, it is characterised in that：Comprise the following steps:
Step 1, screening possess the molecule of target function；
Step 2, determination possess the molecule of target function, will filter out nothing in step 1 in the molecule for possessing target function for obtaining
The molecule of toxic and side effects is defined as the molecule for possessing target function；
Step 3, the molecule for possessing target function in step 2 is incorporated on film.
2. the method that membrane biological pollution is slowed down based on bioinformatics according to claim 1, it is characterised in that：Step 1
The method that described screening possesses the molecule of target function, comprises the following steps：
The molecule for possessing target function in step a, first identification membrane biological pollution is the signal point that identification starts biofilm formation
Son；
Filter out, in step b, the signaling molecule of the startup biofilm formation obtained from step a, the signaling molecule for playing a major role；
In step c, the signaling molecule for playing a major role obtained from step b, identification has the molecule of inactivation signaling molecule function,
The described molecule with inactivation signaling molecule function is the molecule for possessing target function described in step 1.
3. the method that membrane biological pollution is slowed down based on bioinformatics according to claim 1, it is characterised in that：Step 1
It is the signaling molecule for recognizing membrane biological pollution decomposable asymmetric choice net film surface biological film that described screening possesses the molecule of target function.
4. the method that membrane biological pollution is slowed down based on bioinformatics according to claim 1 and 2, it is characterised in that：Step
Rapid 3 molecule Integration Mode is film matrix material modification mode.
5. the method that membrane biological pollution is slowed down based on bioinformatics according to claim 1 and 2, it is characterised in that：Step
Rapid 3 molecule Integration Mode is membrane surface modification mode.
6. the method that membrane biological pollution is slowed down based on bioinformatics according to claim 1 and 2, it is characterised in that：Step
Rapid 3 simultaneously film is carried out hydrophilically modified.
7. the method that membrane biological pollution is slowed down based on bioinformatics according to claim 4, it is characterised in that：Described
Film matrix material modification mode is blending and modifying, the one kind in modification by copolymerization.
8. the method that membrane biological pollution is slowed down based on bioinformatics according to claim 5, it is characterised in that：Described
Membrane surface modification mode is interfacial polymerization, surface-coated method, the one kind in surface grafting method.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124541A (en) * | 2019-05-22 | 2019-08-16 | 北京师范大学 | A kind of stable against biological contamination composite membrane and preparation method thereof that quinolone signal molecule inhibitor is modified |
| CN112479358A (en) * | 2020-12-17 | 2021-03-12 | 绿泽源(浙江)环保科技有限公司 | Intelligent targeting biological membrane and device |
| CN114191999A (en) * | 2021-11-08 | 2022-03-18 | 江苏大学 | Biological pollution resistance modification method for water treatment membrane material |
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| CN105727760A (en) * | 2016-03-31 | 2016-07-06 | 北京理工大学 | Antipollution ultrafiltration membrane of amino acid grafting composite cellulose and preparation method thereof |
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| CN101596422A (en) * | 2009-07-07 | 2009-12-09 | 浙江大学 | With amino acid is the preparation method of the polyvinylidene fluoride affinity membrane of aglucon |
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| CN112479358A (en) * | 2020-12-17 | 2021-03-12 | 绿泽源(浙江)环保科技有限公司 | Intelligent targeting biological membrane and device |
| CN114191999A (en) * | 2021-11-08 | 2022-03-18 | 江苏大学 | Biological pollution resistance modification method for water treatment membrane material |
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Application publication date: 20170315 |