CN105908364A - Oil-water separation fiber membrane - Google Patents
Oil-water separation fiber membrane Download PDFInfo
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- CN105908364A CN105908364A CN201610429517.1A CN201610429517A CN105908364A CN 105908364 A CN105908364 A CN 105908364A CN 201610429517 A CN201610429517 A CN 201610429517A CN 105908364 A CN105908364 A CN 105908364A
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- Prior art keywords
- oil
- water separation
- fibrous membrane
- spinning
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/086—Filter cloth, i.e. woven, knitted or interlaced material of inorganic material
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to an oil-water separation fiber membrane. The oil-water separation fiber membrane is prepared through the following steps that nanosilicon dioxide powder is added into an organic solvent to be smashed so as to obtain silicon dioxide dispersion liquid; polymer particles resistant to acid and base are added into the silicon dioxide dispersion liquid, and stirring is carried out to obtain a spinning solution; the spinning solution is injected into an electrostatic spinning machine for electrostatic spinning, and therefore the oil-water separation fiber membrane is obtained. The oil-water separation fiber membrane has good acid and base resistance, can be used for efficient static oil-water separation, has the ultrahigh specific area and good oil-wet hydrophobicity, has the good oil absorbing effect and the oil-water separation effect, and can be applied to treating oil-water mixed waste water with high acidity and alkalinity.
Description
Technical field
The present invention relates to new textile material applied technical field, particularly relate to a kind of oil-water separation fibrous membrane.
Background technology
Oils is an important sources of water pollution.Oily waste water wide material sources, the mankind depend on for existence many
Individual industry, such as: petrochemical industry, machine-building, transportation, leather processing, weaving manufacture, food add
Work, medicine production etc., be all inevitably generated substantial amounts of oily waste water.According to statistics, have 500～1000 every year
The oils of ten thousand tons injects ocean by all means.The undressed direct discharge of oily waste water, not only wastes
Valuable oil resource, also can cause serious destruction simultaneously to ecological environment.Oil separates oil with water
Material recovery, the recycling of water resource and environmental conservation are all of great importance.Therefore, along with human environment protection
The continuous enhancing of consciousness, high efficiency oil-water separation material has become the study hotspot of domestic and international vast researcher
One of.
Oil-water separation can be divided into Dynamic Separation to separate with static adsorption by released state.
During Dynamic Separation is mainly used in filtering oily waste water, oil emulsion is separated, separating sample
Have good hydrophilic or in hydrophilic modifying, fiber-like Dynamic Separation sample development than be faster
Hollow-fibre membrane, nano fabrics or its compound fabric.Relatively mostly to study in hollow-fibre membrane is polysulfones
Hollow-fibre membrane, cellulose hollow fibrous membranes and Fypro film；Nano fibrous membrane is primarily referred to as Static Spinning
Fibrous membrane, fibre diameter is little, and specific surface area is big, good hydrophilic property, and flux is big, and rejection is high；Compound fabric
It is usually and is combined with each other by the fabric of two-layer or multilamellar different pore size, improve its rejection.
In dynamic oil-water separation is studied, most researchers mainly changes by material is carried out oil-water separation
Property so that it is there is good oil-water separation, mainly grind by filter membrane surface is carried out hydrophilic modifying
Study carefully, improve its strainability, strengthen its mechanical ability simultaneously, reduce again pollution.Membrane surface modification skill at present
Art has plasma polymerization, Organic substance block copolymer, grafting Organic substance, solvent method, ion-transfer gel
Film and composite modified etc..
Ge Jie etc. use polymer blended technology, are prepared for the ps hollow fiber uf membrane of hydrophilic modifying, are used for locating
Reason emulsifiable oil waste water, is up to 95% to the rejection of oil.Liu Kai etc. with benzophenone (BP) as light trigger,
Acrylamide (AAM) is grafted monomers, irradiates with ultraviolet light and initiator and monomer substep is modified on film,
After the inner surface of polysulfones uni-endodermis hollow fiber ultrafiltration membrane is carried out graft modification, its hydrophilic rises, film
Aperture declines.
Current Static Spinning composite cellulosic membrane carries out the correlational study of oil-water separation and gradually becomes for filtering oily waste water
Many.Benjamin Chu seminar of Shi Xi university of the U.S. is prepared for first by electrostatic spinning nano porous fiber film
Separate material nano composite fiber membrane with the new membrane of functional coating composition, and filter for emulsions wastewater
System.Kai Zhang etc. utilizes method of electrostatic spinning to be prepared for PVA/PAN nano-fiber composite film, by quiet
The Electrospun time controls the thickness of surface functional layer PVA so that it is have up to 99.5% to oil hydrosol
Rejection.Xuefen Wang etc. utilizes electrostatic spinning PVA non-woven membrane as hydrophilic surface coating and support
Filter course between Ceng so that composite bed has higher rejection to oil hydrosol.
Sample for static separation has fabulous lipophile, can adsorb the oils and fats of water surface in a large number, relevant
The research of high oil-absorbing resin is more, and less for the research of greasy dirt in fibrous membrane absorption oil hydrosol.Zhang Guang
Remote wait as processing oil-containing industrial water, by static test, dynamic test combine infrared spectrum, SEM photograph,
The mensuration of porosity, is studied the oil removing mechanism of electrostatic spinning polrvinyl chloride filtering adsorbing material,
Go out Static Spinning polyvinyl chloride fibre film and there is good oil removing performance.In static adsorption Separation Research, mainly
It is to select the good material of lipophile or that material carries out lipophile is modified, to improve the effect of its absorption greasy dirt.
In view of drawbacks described above, the design people's the most in addition research and innovation, to founding a kind of oil-water separation fiber
Film so that it is have more the value in industry.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide a kind of oil-water separation fibrous membrane, the present invention
Fibrous membrane there is good resistance to acids and bases, can be used for profit high efficiency static separate, have superhigh specific surface area and
Preferably lipophilic-hydrophobic property, has good oil absorbing effect and oil-water separation, can apply to acid, alkali
Spend in the process of higher oil mixing with water type waste water.
A kind of oil-water separation fibrous membrane of the present invention, uses following steps to prepare:
(1) by nano silicon (SiO2) powder is added in organic solvent, pulverization process, obtains dioxy
SiClx dispersion liquid；
(2) silica dispersions in step (1) adds resistance to acids and bases polymer, after stirring
To spinning liquid；
(3) spinning liquid in step (2) is injected electrostatic spinning machine, carry out electrostatic spinning, obtain profit
Separate fibrous membrane.
Further, in step (1), SiO in silica dispersions2Mass fraction be 0.5%-2.5%.
Further, in step (1), organic solvent is DMF (DMF).
Further, in step (1), cell ultrasonic disintegrator is utilized to carry out pulverization process.
Further, SiO2SiO in dispersion liquid2The particle diameter of powder is 40-150nm.
Further, in step (2), resistance to acids and bases polymer is polysulfones.The pure DMF of above-mentioned use has
Machine solvent, is better than other solvents to the dissolubility of polysulfones.
Further, in step (2), the molecular weight of polysulfones is 75000g/mol.
Further, in step (2), in spinning liquid, the mass fraction of resistance to acids and bases polymer is 15%-20%.
Further, in step (3), electrostatic spinning machine is multiple spray head static spinning machine.
Further, in step (3), electrostatic spinning process is: spinning voltage is 9-11kv, spinning away from
From for 14-17cm, the traversing distance of syringe is 8-11cm, and transverse moving speed is 30-34cm/min, and spinning speed is
6-8m/min, spinning liquid flow is 1-2ml/h.
Further, the flow of regulation spinning liquid can change the diameter of fiber in oil-water separation fibrous membrane.
Further, oil-water separation fibrous membrane is nano-scale fiber film.
By such scheme, the invention have the advantages that
There is good resistance to acids and bases polymer polysulfones (PSU) as base material, interpolation 0.5～the oleophylic of 2.5%
Hydrophobic nano SiO2Powder body, uses method of electrostatic spinning to prepare PSU/SiO2Composite nano-fiber membrane.Utilize fibre
The advantages such as dimension film high-specific surface area, big L/D ratio, high adsorption, in conjunction with resistance to acids and bases and the hydrophobicity of polysulfones
And Nano-meter SiO_22The lipophilic-hydrophobic property of powder body, and reach the separation to oil water mixture and the effect of high oil suction.
According to actual needs, by changing electrostatic spinning process, thus it is possible to vary the diameter of fiber in fibrous membrane, preparation
The nano-scale fiber film of different thicknesses, meets the demand of different application.Surpassing by cell ultrasonic disintegrator
Sonication, prepared SiO2Dispersion liquid dispersion effect is good, and particle size distribution range is little, uniformity good, does not has
There is agglomeration.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technology of the present invention
Means, and can being practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate attached
After figure describes in detail such as.
Accompanying drawing explanation
Fig. 1 is the SiO after cell ultrasonic disintegrator pulverization process of the present invention2Diameter distribution profile；
Fig. 2 is the SiO after being processed by mechanical agitation2Diameter distribution profile；
Fig. 3 is the PSU/SiO of the embodiment of the present invention 1 preparation2The SEM figure of fibrous membrane；
Fig. 4 is PSU/SiO prepared by embodiment of the present invention 2-52The SEM figure of fibrous membrane.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.With
Lower embodiment is used for illustrating the present invention, but is not limited to the scope of the present invention.
In order to improve the oil-water separation of product, the present invention uses Nano-meter SiO_22Powder.But, due to table
Face effect, nano-material surface atomic number increases, and surface can be increased, and is susceptible to reunite, therefore Nano-meter SiO_22
In the solution dispersed is one of critical process.The present invention uses the most just can reach good
The cell ultrasonic disintegrator of dispersion effect is to Nano-meter SiO_22Powder organic solution carries out dispersion process, and it disperses effect
Fruit is much better than mechanical agitator and general ultrasonic cleaner.
Embodiment 1
By SiO2Nano-powder is placed in DMF, utilizes cell ultrasonic disintegrator that it is carried out supersound process 5min
Prepare SiO2Dispersion liquid, SiO2SiO in dispersion liquid2Mass fraction is 0.5%；PSU is added in dispersion liquid
Granule, mechanical agitation is completely dissolved to it, prepares uniform and stable spinning liquid, and wherein PSU mass fraction is
15%；Spinning liquid is injected multiple spray head static spinning machine arranged in parallel, prepares PSU/SiO2Oil-water separation nanometer
Fibrous membrane, spinning process condition is: spinning voltage 11kv, spinning distance 17cm, traversing distance 11cm of syringe,
Transverse moving speed 34cm/min, spinning speed 6m/min, spinning liquid flow is 1ml/h.
Fig. 1 is the SiO after cell ultrasonic disintegrator pulverization process2Diameter distribution profile, can from figure
Go out, SiO2Particle diameter is distributed in about 100nm, and distribution is the least, SiO2Diameter uniformity is good.Figure
2 is same SiO2/ DMF solution is by the SiO after mechanical agitation 30min2Diameter distribution profile, can from figure
To see clearly major diameter distribution, part SiO2Diameter exceeded 1000nm, present significantly group
Poly-phenomenon.
As it is shown on figure 3, the PSU/SiO prepared2The fibre diameter of fibrous membrane is 926 ± 199nm.
This PSU/SiO2The saturated oil absorbency of soybean oil, liquid paraffin and white oil is respectively by nano fibrous membrane
19.9g/g, 22.4g/g and 18.4g/g, i.e. 1g nano fibrous membrane can absorb 19.9g soybean oil, 22.4g respectively
Liquid paraffin and 18.4g white oil.Additionally test is not added with SiO2The pure PSU nano fibrous membrane of nano-powder
Oil absorption is as comparison, and it is only respectively 13.6g/g, 12.1g/g and 12.4g/g to the saturated oil absorbency of three class oil.
This PSU/SiO is described2Nanofiber has good oil absorption.
With the PSU/SiO of 0.05g250mL oil hydrosol is separated by nano fibrous membrane, its to soybean oil,
The clearance of liquid paraffin and white oil is respectively 68.7%, 60.5% and 61.8%.As a comparison, be not added with SiO2
The pure PSU nano fibrous membrane of nano-powder is only respectively 43.2%, 36.3% and to the clearance of three class oil
36.9%.This PSU/SiO is described2Nanofiber has good oil-water separation.
PSU/SiO after saturated oil suction2Nano fibrous membrane cleans through petroleum ether, discovery sample of weighing after drying
In only remain minimal amount of oil, will clean after sample again carry out oil suction experiment, under its saturated oil absorbency
Fall is less than 1%, and cleaning is dried rear fibrous membrane and the most significantly deformed, and this PSU/SiO is described2Nanometer
Fibrous membrane has good reusability.
Embodiment 2
By SiO2Nano-powder is placed in DMF, utilizes cell ultrasonic disintegrator that it is carried out supersound process 5min
Prepare SiO2Dispersion liquid, SiO2SiO in dispersion liquid2Mass fraction is 1%；PSU is added in dispersion liquid
Grain, mechanical agitation is completely dissolved to it, prepares uniform and stable spinning liquid, and wherein PSU mass fraction is 20%；
Spinning liquid is injected multiple spray head static spinning machine arranged in parallel, prepares PSU/SiO2Oil-water separation nano fibrous membrane,
Spinning process condition is: spinning voltage 9kv, spinning distance 14cm, traversing distance 8cm of syringe, traversing speed
Degree 30cm/min, spinning speed 8m/min, spinning liquid flow is 2ml/h.
Embodiment 3
By SiO2Nano-powder is placed in DMF, utilizes cell ultrasonic disintegrator that it is carried out supersound process 5min
Prepare SiO2Dispersion liquid, SiO2SiO in dispersion liquid2Mass fraction is 1.5%；PSU is added in dispersion liquid
Granule, mechanical agitation is completely dissolved to it, prepares uniform and stable spinning liquid, and wherein PSU mass fraction is
20%；Spinning liquid is injected multiple spray head static spinning machine arranged in parallel, prepares PSU/SiO2Oil-water separation nanometer
Fibrous membrane, spinning process condition is: spinning voltage 9kv, spinning distance 14cm, traversing distance 10cm of syringe,
Transverse moving speed 34cm/min, spinning speed 6m/min, spinning liquid flow is 1.5ml/h.
Embodiment 4
By SiO2Nano-powder is placed in DMF, utilizes cell ultrasonic disintegrator that it is carried out supersound process 5min
Prepare SiO2Dispersion liquid, SiO2SiO in dispersion liquid2Mass fraction is 2%；PSU is added in dispersion liquid
Grain, mechanical agitation is completely dissolved to it, prepares uniform and stable spinning liquid, and wherein PSU mass fraction is 20%；
Spinning liquid is injected multiple spray head static spinning machine arranged in parallel, prepares PSU/SiO2Oil-water separation nano fibrous membrane,
Spinning process condition is: spinning voltage 9kv, spinning distance 14cm, traversing distance 10cm of syringe, traversing speed
Degree 30cm/min, spinning speed 6m/min, spinning liquid flow is 1ml/h.
Embodiment 5
By SiO2Nano-powder is placed in DMF, utilizes cell ultrasonic disintegrator that it is carried out supersound process 5min
Prepare SiO2Dispersion liquid, SiO2SiO in dispersion liquid2Mass fraction is 2.5%；PSU is added in dispersion liquid
Granule, mechanical agitation is completely dissolved to it, prepares uniform and stable spinning liquid, and wherein PSU mass fraction is
20%；Spinning liquid is injected multiple spray head static spinning machine arranged in parallel, prepares PSU/SiO2Oil-water separation nanometer
Fibrous membrane, spinning process condition is: spinning voltage 9kv, spinning distance 14cm, traversing distance 10cm of syringe,
Transverse moving speed 34cm/min, spinning speed 8m/min, spinning liquid flow is 1ml/h.
As shown in Figure 4, figure A is the PSU/SiO prepared of embodiment 2 preparation2The fiber of fibrous membrane, it is straight
Footpath is 936 ± 206nm；Figure B is the PSU/SiO prepared of embodiment 3 preparation2The fiber of fibrous membrane, its
A diameter of 890 ± 262nm；Figure C is the PSU/SiO prepared of embodiment 4 preparation2The fiber of fibrous membrane,
Its a diameter of 866 ± 290nm；Figure D is the PSU/SiO prepared of embodiment 5 preparation2The fiber of fibrous membrane,
Its a diameter of 846 ± 369nm.
Embodiment 2-5 is prepared for different SiO2The PSU/SiO of content2Nano fibrous membrane, it is to soybean oil, liquid
The saturated oil absorbency of paraffin body and white oil is as shown in table 1.
The different SiO of table 12The PSU/SiO of content2The nano fibrous membrane saturated oil absorbency (g/g) to three class oil
By 0.05g difference SiO250mL oil hydrosol is separated by the PSU/SiO2 nano fibrous membrane of content,
It is as shown in table 2 to the clearance of soybean oil, liquid paraffin and white oil.
Table 2PSU/SiO2The nano fibrous membrane clearance (%) to three class oil
PSU/SiO after saturated oil suction in embodiment 2-52Nano fibrous membrane cleans through petroleum ether, after drying
Weighing and find only to remain minimal amount of oil in sample, the sample after cleaning carries out oil suction experiment again, its
Saturated oil absorbency declines less than 1%, and cleaning is dried rear fibrous membrane and the most significantly deformed, and this is described
PSU/SiO2Nano fibrous membrane has good reusability.
The above is only the preferred embodiment of the present invention, is not limited to the present invention, it is noted that
For those skilled in the art, on the premise of without departing from the technology of the present invention principle, also
Can make some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (9)
1. an oil-water separation fibrous membrane, it is characterised in that use following steps to prepare:
(1) nano grade silica particles is added in organic solvent, pulverization process, obtains silicon dioxide dispersion
Liquid；
(2) the described silica dispersions in step (1) adds resistance to acids and bases polymer beads,
Spinning liquid is obtained after stirring；
(3) the described spinning liquid in step (2) is injected electrostatic spinning machine, carry out electrostatic spinning, obtain
Described oil-water separation fibrous membrane.
Oil-water separation fibrous membrane the most according to claim 1, it is characterised in that: in step (1),
The mass fraction of silicon dioxide described in described silica dispersions is 0.5%-2.5%.
Oil-water separation fibrous membrane the most according to claim 1, it is characterised in that: in step (1),
Described organic solvent is N,N-dimethylformamide.
Oil-water separation fibrous membrane the most according to claim 1, it is characterised in that: in step (1),
Cell ultrasonic disintegrator is utilized to carry out pulverization process.
Oil-water separation fibrous membrane the most according to claim 1, it is characterised in that: in step (2),
Described resistance to acids and bases polymer beads is polysulfones.
Oil-water separation fibrous membrane the most according to claim 1, it is characterised in that: in step (2),
The mass fraction of resistance to acids and bases polymer beads described in described spinning liquid is 15%-20%.
Oil-water separation fibrous membrane the most according to claim 1, it is characterised in that: in step (3),
Described electrostatic spinning machine is multiple spray head static spinning machine.
Oil-water separation fibrous membrane the most according to claim 1, it is characterised in that: in step (3),
Electrostatic spinning process parameter is: spinning voltage is 9-11kv, and spinning distance is 14-17cm, syringe traversing away from
From for 8-11cm, transverse moving speed is 30-34cm/min, and spinning speed is 6-8m/min, and spinning liquid flow is
1-2ml/h。
9. according to the oil-water separation fibrous membrane described in claim 1-8 any one, it is characterised in that: described
Oil-water separation fibrous membrane is nano-scale fiber film.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107456879A (en) * | 2017-09-15 | 2017-12-12 | 武汉纺织大学 | Nano silicon/nanofiber water-oil separating composite membrane and preparation method thereof |
| CN107638817A (en) * | 2017-10-13 | 2018-01-30 | 中国科学院生态环境研究中心 | A kind of hydrophilic and oleophobic films of compound PTFE/PAN and preparation method thereof |
| CN107858527A (en) * | 2017-09-28 | 2018-03-30 | 上海至铂环保科技服务有限公司 | A kind of method that absorption prepares high purity copper and copper sulphate in sludge from copper facing |
| CN110092454A (en) * | 2019-05-27 | 2019-08-06 | 长安大学 | A kind of processing unit of waste water, manufacturing method and the method using device processing waste water |
| CN115779700A (en) * | 2023-02-07 | 2023-03-14 | 天津膜天膜科技股份有限公司 | Rapid oil absorption hollow fiber membrane and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928996A (en) * | 2010-07-20 | 2010-12-29 | 东华大学 | Preparation method of fibrous membrane with super hydrophobic multi-stage nanometer structure |
| CN102240511A (en) * | 2010-05-13 | 2011-11-16 | 中国科学院理化技术研究所 | Polysulphone nanometer fiber polymer membrane and preparation method as well as application thereof |
| CN103611437A (en) * | 2013-10-14 | 2014-03-05 | 中国科学院宁波材料技术与工程研究所 | Preparation method for microporous membrane having multi-scale gradient micro-structure surface |
| CN103706182A (en) * | 2013-12-12 | 2014-04-09 | 苏州大学 | Spherical and linear combined compound fiber air filtering material and preparation method thereof |
| CN103866492A (en) * | 2014-03-31 | 2014-06-18 | 北京服装学院 | Efficient oil and water separation composite fiber film and preparation method thereof |
| CN105413488A (en) * | 2015-12-11 | 2016-03-23 | 上海交通大学 | Preparation method and application of super-hydrophobic membrane |
-
2016
- 2016-06-16 CN CN201610429517.1A patent/CN105908364A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240511A (en) * | 2010-05-13 | 2011-11-16 | 中国科学院理化技术研究所 | Polysulphone nanometer fiber polymer membrane and preparation method as well as application thereof |
| CN101928996A (en) * | 2010-07-20 | 2010-12-29 | 东华大学 | Preparation method of fibrous membrane with super hydrophobic multi-stage nanometer structure |
| CN103611437A (en) * | 2013-10-14 | 2014-03-05 | 中国科学院宁波材料技术与工程研究所 | Preparation method for microporous membrane having multi-scale gradient micro-structure surface |
| CN103706182A (en) * | 2013-12-12 | 2014-04-09 | 苏州大学 | Spherical and linear combined compound fiber air filtering material and preparation method thereof |
| CN103866492A (en) * | 2014-03-31 | 2014-06-18 | 北京服装学院 | Efficient oil and water separation composite fiber film and preparation method thereof |
| CN105413488A (en) * | 2015-12-11 | 2016-03-23 | 上海交通大学 | Preparation method and application of super-hydrophobic membrane |
Non-Patent Citations (1)
| Title |
|---|
| 张光蕾: "《纳/微米纤维膜的去污性及油水分》", 《中国优秀硕士学位论文全文数据库》 * |
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| CN107456879B (en) * | 2017-09-15 | 2019-10-08 | 武汉纺织大学 | Nano silica/nanofiber water-oil separating composite membrane and preparation method thereof |
| CN107858527A (en) * | 2017-09-28 | 2018-03-30 | 上海至铂环保科技服务有限公司 | A kind of method that absorption prepares high purity copper and copper sulphate in sludge from copper facing |
| CN107638817A (en) * | 2017-10-13 | 2018-01-30 | 中国科学院生态环境研究中心 | A kind of hydrophilic and oleophobic films of compound PTFE/PAN and preparation method thereof |
| CN110092454A (en) * | 2019-05-27 | 2019-08-06 | 长安大学 | A kind of processing unit of waste water, manufacturing method and the method using device processing waste water |
| CN115779700A (en) * | 2023-02-07 | 2023-03-14 | 天津膜天膜科技股份有限公司 | Rapid oil absorption hollow fiber membrane and preparation method and application thereof |
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