CN106943886A - A kind of preparation method and applications of cellulose composite membrane - Google Patents
A kind of preparation method and applications of cellulose composite membrane Download PDFInfo
- Publication number
- CN106943886A CN106943886A CN201710306356.1A CN201710306356A CN106943886A CN 106943886 A CN106943886 A CN 106943886A CN 201710306356 A CN201710306356 A CN 201710306356A CN 106943886 A CN106943886 A CN 106943886A
- Authority
- CN
- China
- Prior art keywords
- solution
- composite membrane
- cellulose
- immersed
- cellulose composite
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
- B01D71/10—Cellulose; Modified cellulose
-
- 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
- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention provides a kind of preparation method and applications of cellulose composite membrane, methods described includes：(1) by solid base, urea, surfactant is soluble in water obtains mixed liquor, the mixed liquor is cooled to subzero 4 DEG C subzero 80 DEG C, cellulose and nano-carbon material are added in mixed liquor after the cooling period and is stirred to being completely dissolved, the cellulose solution containing carbon material is obtained；The cellulose solution is tiled on the glass sheet, and is immersed in acid solution, its solidification is obtained membranoid substance；Wherein, 50 1000g celluloses and 0.25 2.5mg nano-carbon materials are added in 1L mixed liquors；(2) it is immersed in after the membranoid substance is cleaned comprising Fe2+,Zn2+,Mn2+,Co2+In the mixed solution of metal ion；(3) membranoid substance after being handled through step (2) is immersed in alkaline solution, is dried after the membranoid substance cleaning is taken out afterwards, obtain cellulose composite membrane.The present invention has prepared the composite film material for possessing Magnetic Isolation enrichment and degraded removing function to Algae toxins.
Description
Technical field
The invention belongs to catalytic degradation technology field, more particularly to a kind of cellulose composite membrane preparation method and its should
With.
Background technology
With frequent generation of the blue-green alga bloom in worldwide fresh water and salt water water body, the water quality that water bloom pollution is brought
Safety problem and food-safety problem turn into the hygienic issues of global concern.Microcystin is produced by Fresh Watcr Blue Algae
A kind of water-soluble hepatotoxin and neurotoxin, separate from the strain of different algaes, identify nearly 80 kinds of monomer structures so far.Animal is real
Checking is bright, and Microcystin can suppress the activity of serine and threonine protein phosphatases sum, in low concentration to liver just
There are proprietary hepatotoxicity wind agitation and cancer to induce activity.Microcystin can influence mouse fetal to develop by placental barrier, cause tire mouse liver
It is impaired, and children's liver function may be influenceed, Microcystin can then cause with hepatitis viruse and aflatoxin synergy
Liver cancer.Microcystin can enter human body by number of ways, wherein passing through drinking water, aquatic products, blue-green algae food supplement
Risk caused by exposure is possible turns into the important topic of food security.It is presently used for Microcystins in Water of degrading
Method mainly have a membrane filtration, charcoal absorption, ultraviolet irradiation, ul-trasonic irradiation, redox, is changed the physics such as strains for degrading
, biological treating measure.But they still have many defects, such as condition is harsh, has side effect, degradation efficiency is low, it is difficult to return
Receive using or even cause secondary pollution.Therefore, finding a kind of simple, algal toxin degradation material with application prospect and method has
Highly important meaning.
The content of the invention
For drawbacks described above of the prior art, one of main object of the present invention is to provide a kind of cellulose composite membrane
Preparation method, prepared possess to Algae toxins separation and concentration and degraded remove function composite film material.
In order to achieve the above object, the present invention is adopted the following technical scheme that：A kind of preparation method of cellulose composite membrane, institute
The method of stating includes：
(1) by solid base, urea, surfactant is soluble in water obtains mixed liquor, the solid base：Urea：Live on surface
Property agent quality parts ratio be 3-20:4-30:2-20, by the mixed liquor be cooled to subzero 4 DEG C-it is subzero 80 DEG C, after the cooling period
Mixed liquor in add cellulose and nano-carbon material and stir to being completely dissolved, obtain the cellulose solution containing carbon material；
The cellulose solution is tiled on the glass sheet, and is immersed in acid solution, its solidification is obtained membranoid substance；Wherein, 1L is mixed
50-1000g celluloses and 0.25-2.5mg nano-carbon materials are added in liquid；
(2) it is immersed in after the membranoid substance is cleaned comprising Fe2+,Zn2+,Mn2+,Co2+In the mixed solution of metal ion；
(3) membranoid substance after being handled through step (2) is immersed in alkaline solution, the membranoid substance is taken out afterwards clear
Dried after washing, obtain cellulose composite membrane.
As further preferably, in step (1), the solid base is selected from NaOH and potassium hydroxide, the surface
Activating agent is selected from sodium cetanesulfonate, Tween-80 and Si Tong -80.
As it is further preferably, in step (1), by the mixed liquor be cooled to subzero 10 DEG C-it is subzero 40 DEG C
As further preferred, in step (1), 100-500g celluloses and 0.5- are added in mixed liquor described in 1L
1.5mg nano-carbon materials.
As further preferably, in step (1), the nano-carbon material is selected from graphene, charing nitrogen and activated carbon.
As further preferably, in step (1), the acid solution is selected from sulfuric acid, hydrochloric acid and nitric acid, the quality of the acid solution
Percentage is 2-20w%；In step (3), the alkaline solution is selected from sodium hydroxide solution, potassium hydroxide solution and ammoniacal liquor, institute
The concentration for stating alkaline solution is 0.1-10mol/L.
As further preferably, in step (1), the time that the cellulose solution is immersed in acid solution is 5-10min,
In step (2), the time that the membranoid substance is immersed in the mixed solution of metal ion is 20-30h；In step (3), the film
The time that shape thing is immersed in alkaline solution is 5-200min.
As it is further preferably, in step (2), the Fe2+,Zn2+,Mn2+,Co2+The mass fraction ratio of ion is
40-70:2-20:2-20:2-20。
One of another object of the present invention is to provide the application of cellulose composite membrane prepared by the above method, the fiber
Plain composite membrane is applied in Microcystin solution, degrading microcystic toxins.
As further preferably, the application process includes：
In 1-5mL 10mg/L Microcystin solution, 0.2-2mL 1.0mol/L H is added2SO4Solution and
0.2-2mL 0.40mol/L H2O2Solution, dilution is settled to 10ml, adds 0.2-20mg compound cellulose films, micro-capsule of degrading
Algae toxins.
The beneficial effects of the invention are as follows：The present invention using cellulose membrane as template, by in-situ precipitate in cellulose membrane
The composite of nano-particle fabricated in situ nano-particle and cellulose membrane is formed in micropore so that cellulose membrane possesses good
The ability and Magnetic Isolation ability of oxidative degradation Algae toxins, can not only can pass through magnetic after effective degrading microcystic toxins, and reaction
Property device reclaim, recycle.
Brief description of the drawings
Fig. 1 is the XRD spectrum of cellulose composite membrane prepared by the embodiment of the present invention 1.
Fig. 2 is the TEM collection of illustrative plates of cellulose composite membrane prepared by the embodiment of the present invention 1.
Fig. 3 is the recycling rate of waterused schematic diagram of compound cellulose film prepared by the embodiment of the present invention 3.
Embodiment
The present invention has obtained possessing Algae toxins point by providing a kind of preparation method and applications of cellulose composite membrane
From the composite film material that function is removed in enrichment and degraded, the defect of existing method degraded Microcystins in Water is solved.
The main thought of the embodiment of the present invention is：
The preparation method of embodiment of the present invention cellulose composite membrane, methods described includes：
(1) by solid base, urea, surfactant is soluble in water obtains mixed liquor, the solid base：Urea：Live on surface
Property agent mass ratio be 3-20:4-30:2-20, subzero 4 DEG C-subzero 80 DEG C, after the cooling period mixed is cooled to by the mixed liquor
Close and added in liquid cellulose and nano-carbon material and stir to being completely dissolved, obtain the cellulose solution containing carbon material；By institute
State cellulose solution tiling on the glass sheet, and be immersed in acid solution, its solidification is obtained membranoid substance；Wherein, in 1L mixed liquors
Add 50-1000g celluloses and 0.25-2.5mg nano-carbon materials；
(2) it is immersed in after the membranoid substance is cleaned comprising Fe2+,Zn2+,Mn2+,Co2+In the mixed solution of metal ion；
(3) membranoid substance after being handled through step (2) is immersed in alkaline solution, the membranoid substance is taken out afterwards clear
Dried after washing, obtain cellulose composite membrane.
The solid base selects highly basic class, including but not limited to NaOH, KOH etc..
The surfactant includes but is not limited to sodium cetanesulfonate, Tween-80 and Si Tong -80 etc..
The nano-carbon material is selected from graphene, charing nitrogen and activated carbon etc..
The acid solution is selected from sulfuric acid, hydrochloric acid and nitric acid etc., and it is molten that the alkaline solution is selected from sodium hydroxide solution, potassium hydroxide
Liquid and ammoniacal liquor etc..
Cellulose is as most abundant natural reproducible macromolecular material, because its is cheap, abundance, bio-compatible
The premium properties such as property is good, biodegradable, can be used as sustainable development the Study on Resources and exploitation.Nano-particle is formed with cellulose
Composite not only have high polymer machinability and flexibility, also retains the characteristic of inorganic nano-particle, Er Qieyou
In multi-component collaboration and hydridization effect, make them that there is unique mechanics, electricity, magnetics, optics and hot property.Regeneration is fine
The plain film of dimension has high mechanical strength, good hydrophily and solvent resistance, and its surface and it is internal all have uniformly receive
Meter level (tens to hundreds of nm) micropore, pore size is easily adjusted.
In order to which the objects, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiments, to the present invention
It is further elaborated.Specific data involved by specific example described herein are only to explain the present invention, not
For limiting the present invention.
Embodiment 1
The preparation method of the cellulose composite membrane of the embodiment of the present invention 1, methods described includes：
(1) by NaOH/ urea/sodium cetanesulfonate/H2O is with quality 3:4:13:After 80 mixing, solution is pre-cooled
It is rapid after taking-up that 100g celluloses and 0.5mg graphenes are added in 1L solution and is stirred to being completely dissolved to subzero 10 DEG C.
Cellulose solution containing carbon material is tiled on the glass sheet, and is immersed in 10w% H2SO45 minutes in solution, coagulate it
Admittedly obtain membranoid substance.
(2) membranoid substance of regeneration is first rinsed 3 times with running water, then with being immersed in after deionized water rinsing 3 times
1.00mol/L Fe2+,Zn2+,Mn2+,Co2+(mass fraction ratio is 70 to ion:10:10:10) 24 hours in mixed solution.
(3) immersed after membranoid substance is taken out from solution in 0.8mol/L NaOH solutions 20 minutes, membranoid substance is taken out afterwards
Drying of being tiled at room temperature after 5 times is cleaned with deionized water, cellulose composite membrane is produced.
The XRD spectrum of cellulose composite membrane prepared by the embodiment of the present invention 1 is as shown in figure 1, prepared by the embodiment of the present invention 1
The TEM collection of illustrative plates of compound cellulose film is as shown in Figure 2.
Cellulose composite membrane prepared by the embodiment of the present invention 1 can be applied in Microcystin solution, degrading microcystic poison
Element.Specific application process includes：
In 5mL 10mg/L Microcystin solution, 1mL 1.0mol/L H is added2SO4Solution and 1mL
0.40mol/L H2O2Solution, dilution is settled to 10ml, adds 10mg compound cellulose films, degrading microcystic toxins.
Embodiment 2
The preparation method of the cellulose composite membrane of the embodiment of the present invention 2, methods described includes：
(1) by NaOH/ urea/Tween-80/H2O is with quality 4:12:4:After 70 mixing, solution is pre-cooled to subzero 4
It is 0 DEG C, rapid after taking-up that 500g celluloses and 0.75mg charing nitrogen are added in 1L solution and is stirred to being completely dissolved.It will contain
The cellulose solution tiling of carbon material on the glass sheet, and is immersed in 9w% H2SO45 minutes in solution, its solidification is set to obtain film
Shape thing.
(2) membranoid substance of regeneration is first rinsed 3 times with running water, then with being immersed in after deionized water rinsing 3 times
1.00mol/L Fe2+,Zn2+,Mn2+,Co2+(ratio is 60 to ion:20:10:10) 24 hours in mixed solution.
(3) immersed after membranoid substance is taken out from solution in 7mol/L NaOH solutions 80 minutes, cellulose is taken out afterwards and is answered
Close film and clean drying of being tiled at room temperature after 7 times with deionized water, produce cellulose composite membrane.
Cellulose composite membrane prepared by the embodiment of the present invention 2 can be applied in Microcystin solution, degrading microcystic poison
Element.Specific application process includes：In 4mL 10mg/L Microcystin solution, 0.8mL 1.0mol/L H is added2SO4
The H of solution and 0.4mL 0.40mol/L2O2Solution, dilution is settled to 10ml, adds 7mg compound cellulose films, degrading microcystic
Toxin.
Embodiment 3
The preparation method of the cellulose composite membrane of the embodiment of the present invention 3, methods described includes：
(1)) by NaOH/ urea/Si Tong -80/H2O is with quality 10:30:10:After 50 mixing, solution is pre-cooled to zero
It is lower 20 DEG C, rapid after taking-up that 700g celluloses and 1.5mg activated carbons are added in 1L solution and is stirred to being completely dissolved.It will contain
The cellulose solution for having carbon material tiles on the glass sheet, and is immersed in 14w% H2SO45 minutes in solution, solidify it
To membranoid substance.
(2) membranoid substance of regeneration is first rinsed 3 times with running water, then with being immersed in after deionized water rinsing 3 times
1.00mol/L Fe2+,Zn2+,Mn2+,Co2+(ratio is 50 to ion:20:15:15) 24 hours in mixed solution.
(3) immersed after membranoid substance is taken out from solution in 3mol/L NaOH solutions 60 minutes, cellulose is taken out afterwards and is answered
Close film and clean drying of being tiled at room temperature after 8 times with deionized water, produce cellulose composite membrane.
Cellulose composite membrane prepared by the embodiment of the present invention 3 can be applied in Microcystin solution, degrading microcystic poison
Element.Specific application process includes：In 3mL 10mg/L Microcystin solution, 0.4mL 1.0mol/L H is added2SO4
The H of solution and 0.5mL mL 0.40mol/L2O2Solution, dilution is settled to 10ml, adds 12mg compound cellulose films, degrades micro-
Capsule Algae toxins.
Cellulose composite membrane prepared by the embodiment of the present invention 3 is used for after Microcystin solution degradation, can be separated with magnet
Dry, can be recycled after recovery, washing, Fig. 3 is the recycling rate of waterused of compound cellulose film prepared by the embodiment of the present invention 3
Schematic diagram.
Embodiment 4
The preparation method of the cellulose composite membrane of the embodiment of the present invention 4, methods described includes：
(1) by KOH/ urea/sodium cetanesulfonate/H2O is with quality 20:30:2:After 48 mixing, solution is pre-cooled
It is rapid after taking-up that 50g celluloses and 0.25mg graphenes are added in 1L solution and is stirred to being completely dissolved to subzero 4 DEG C.
Cellulose solution containing carbon material is tiled on the glass sheet, and is immersed in 2w% salpeter solution 10 minutes, it is coagulated
Admittedly obtain membranoid substance.
(2) membranoid substance of regeneration is first rinsed 3 times with running water, then with being immersed in after deionized water rinsing 3 times
1.00mol/L Fe2+,Zn2+,Mn2+,Co2+(ratio is 40 to ion:20:20:20) 26 hours in mixed solution.
(3) immersed after membranoid substance is taken out from solution in 0.1mol/L KOH solutions 200 minutes, membranoid substance is taken out afterwards
Drying of being tiled at room temperature after 5 times is cleaned with deionized water, cellulose composite membrane is produced.
Cellulose composite membrane prepared by the embodiment of the present invention 1 can be applied in Microcystin solution, degrading microcystic poison
Element.Specific application process includes：
In 1mL 10mg/L Microcystin solution, 0.2mL 1.0mol/L H is added2SO4Solution and 0.2mL
0.40mol/L H2O2Solution, dilution is settled to 10ml, adds 0.2mg compound cellulose films, degrading microcystic toxins.
Embodiment 5
The preparation method of the cellulose composite membrane of the embodiment of the present invention 5, methods described includes：
(1) by KOH/ urea/sodium cetanesulfonate/H2O is with quality 5:25:20:After 50 mixing, solution is pre-cooled
It is rapid after taking-up that 1000g celluloses and 2.5mg activated carbons are added in 1L solution and is stirred to completely molten to subzero 80 DEG C
Solution.Cellulose solution containing carbon material is tiled on the glass sheet, and is immersed in 20w% hydrochloric acid solution 5 minutes, makes it
Solidification obtains membranoid substance.
(2) membranoid substance of regeneration is first rinsed 3 times with running water, then with being immersed in after deionized water rinsing 3 times
1.00mol/L Fe2+,Zn2+,Mn2+,Co2+(ratio is 70 to ion:20:2:8) 30 hours in mixed solution.
(3) immersed after membranoid substance is taken out from solution in 10mol/L KOH solutions 25 minutes, membranoid substance is taken out afterwards and is used
Deionized water tiles drying at room temperature after cleaning 5 times, produces cellulose composite membrane.
Cellulose composite membrane prepared by the embodiment of the present invention 1 can be applied in Microcystin solution, degrading microcystic poison
Element.Specific application process includes：
In 2mL 10mg/L Microcystin solution, 2mL 1.0mol/L H is added2SO4Solution and 2mL
0.40mol/L H2O2Solution, dilution is settled to 10ml, adds 20mg compound cellulose films, degrading microcystic toxins.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage：
Cellulose membrane as template, is formed nano-particle original by in-situ precipitate by the present invention in the micropore of cellulose membrane
The composite of position synthesizing nano-particle and cellulose membrane so that cellulose membrane possesses the ability of good oxidative degradation Algae toxins
With Magnetic Isolation ability, it can not only can be reclaimed, recycled by magnetic devices after effective degrading microcystic toxins, and reaction.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.Obviously, those skilled in the art can be to the present invention
Carry out various changes and modification without departing from the spirit and scope of the present invention.So, if these modifications and modification of the present invention
Belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention is also intended to exist comprising these changes and modification
It is interior.
Claims (10)
1. a kind of preparation method of cellulose composite membrane, it is characterised in that：Methods described includes：
(1) by solid base, urea, surfactant is soluble in water obtains mixed liquor, the solid base：Urea：Surfactant
Quality parts ratio be 3-20:4-30:2-20, subzero 4 DEG C-subzero 80 DEG C, after the cooling period mixed is cooled to by the mixed liquor
Close and added in liquid cellulose and nano-carbon material and stir to being completely dissolved, obtain the cellulose solution containing carbon material；By institute
State cellulose solution tiling on the glass sheet, and be immersed in acid solution, its solidification is obtained membranoid substance；Wherein, in 1L mixed liquors
Add 50-1000g celluloses and 0.25-2.5mg nano-carbon materials；
(2) it is immersed in after the membranoid substance is cleaned comprising Fe2+,Zn2+,Mn2+,Co2+In the mixed solution of metal ion；
(3) membranoid substance after being handled through step (2) is immersed in alkaline solution, taken out afterwards after the membranoid substance cleaning
Dry, obtain cellulose composite membrane.
2. the preparation method of cellulose composite membrane according to claim 1, it is characterised in that：In step (1), the solid
Alkali is selected from NaOH and potassium hydroxide, and the surfactant is selected from sodium cetanesulfonate, Tween-80 and Si Tong -80.
3. the preparation method of cellulose composite membrane according to claim 1, it is characterised in that：, will be described mixed in step (1)
Close liquid be cooled to subzero 10 DEG C-it is subzero 40 DEG C.
4. the preparation method of cellulose composite membrane according to claim 1, it is characterised in that：In step (1), mixed described in 1L
Close and 100-500g celluloses and 0.5-1.5mg nano-carbon materials are added in liquid.
5. the preparation method of cellulose composite membrane according to claim 1, it is characterised in that：In step (1), the nanometer
Carbon material is selected from graphene, charing nitrogen and activated carbon.
6. the preparation method of cellulose composite membrane according to claim 1, it is characterised in that：In step (1), the acid solution
Selected from sulfuric acid, hydrochloric acid and nitric acid, the mass percent of the acid solution is 2-20w%；In step (3), the alkaline solution is selected from
Sodium hydroxide solution, potassium hydroxide solution and ammoniacal liquor, the concentration of the alkaline solution is 0.1-10mol/L.
7. the preparation method of cellulose composite membrane according to claim 1, it is characterised in that：In step (1), the fiber
Plain solution is immersed in the time in acid solution for 5-10min, and in step (2), the mixing that the membranoid substance is immersed in metal ion is molten
Time in liquid is 20-30h；In step (3), the time that the membranoid substance is immersed in alkaline solution is 5-200min.
8. the preparation method of cellulose composite membrane according to claim 1, it is characterised in that：In step (2), the Fe2+,
Zn2+,Mn2+,Co2+The mass fraction ratio of ion is 40-70:2-20:2-20:2-20.
9. such as the application of cellulose composite membrane prepared by any one of claim 1-8 methods described, it is characterised in that：The fiber
Plain composite membrane is applied in Microcystin solution, degrading microcystic toxins.
10. the application of cellulose composite membrane according to claim 9, it is characterised in that：The application process includes：In 1-
In 5mL 10mg/L Microcystin solution, 0.2-2mL 1.0mol/L H is added2SO4Solution and 0.2-2mL's
0.40mol/L H2O2Solution, dilution is settled to 10ml, adds 0.2-20mg compound cellulose films, degrading microcystic toxins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710306356.1A CN106943886B (en) | 2017-05-04 | 2017-05-04 | Preparation method and application of cellulose composite membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710306356.1A CN106943886B (en) | 2017-05-04 | 2017-05-04 | Preparation method and application of cellulose composite membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106943886A true CN106943886A (en) | 2017-07-14 |
| CN106943886B CN106943886B (en) | 2019-12-24 |
Family
ID=59479401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710306356.1A Active CN106943886B (en) | 2017-05-04 | 2017-05-04 | Preparation method and application of cellulose composite membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106943886B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109754951A (en) * | 2019-02-19 | 2019-05-14 | 浙江理工大学 | A kind of cellulose-graphene composite transparent conductive film and preparation method thereof |
| CN110585934A (en) * | 2019-08-01 | 2019-12-20 | 华南农业大学 | Composite filter membrane of nano-pore surface layer/micron-pore supporting layer and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489259A (en) * | 2011-11-10 | 2012-06-13 | 河南大学 | Graphene oxide/cellulose compound material as well as preparation method and application of same |
| CN105233703A (en) * | 2015-10-15 | 2016-01-13 | 浙江工商大学 | Preparation method of high flux cellulose microfiltration membrane |
| CN108163923A (en) * | 2018-01-18 | 2018-06-15 | 清华大学 | One kind is used to adsorb Cs+Load ferrocyanide bacteria cellulose membrane preparation method |
| CN108607372A (en) * | 2018-05-10 | 2018-10-02 | 南京林业大学 | A kind of preparation method and cellulose gas separation membrane of the cellulose gas separation membrane of ion doping |
-
2017
- 2017-05-04 CN CN201710306356.1A patent/CN106943886B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489259A (en) * | 2011-11-10 | 2012-06-13 | 河南大学 | Graphene oxide/cellulose compound material as well as preparation method and application of same |
| CN105233703A (en) * | 2015-10-15 | 2016-01-13 | 浙江工商大学 | Preparation method of high flux cellulose microfiltration membrane |
| CN108163923A (en) * | 2018-01-18 | 2018-06-15 | 清华大学 | One kind is used to adsorb Cs+Load ferrocyanide bacteria cellulose membrane preparation method |
| CN108607372A (en) * | 2018-05-10 | 2018-10-02 | 南京林业大学 | A kind of preparation method and cellulose gas separation membrane of the cellulose gas separation membrane of ion doping |
Non-Patent Citations (1)
| Title |
|---|
| 向莹等: ""Fe2O3纳米粒子复合纤维素膜降解有机染料亚甲基蓝"", 《湖北大学学报（自然科学版）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109754951A (en) * | 2019-02-19 | 2019-05-14 | 浙江理工大学 | A kind of cellulose-graphene composite transparent conductive film and preparation method thereof |
| CN110585934A (en) * | 2019-08-01 | 2019-12-20 | 华南农业大学 | Composite filter membrane of nano-pore surface layer/micron-pore supporting layer and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106943886B (en) | 2019-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Sajid et al. | Nanomaterials-based adsorbents for remediation of microplastics and nanoplastics in aqueous media: A review | |
| Gong et al. | Facile fabrication of magnetic carboxymethyl starch/poly (vinyl alcohol) composite gel for methylene blue removal | |
| Sun et al. | Effective removal of nanoplastics from water by cellulose/MgAl layered double hydroxides composite beads | |
| CN103521191B (en) | A kind of preparation method of titanium dioxide/chitosan/oxigraphene graphene composite material and application | |
| CN102989427B (en) | Enteromorpha absorbent and preparation technology thereof | |
| CN110117049A (en) | A kind of preparation method of metal-organic framework/polypyrrole hydridization conductive electrode | |
| CN105693750B (en) | A kind of quick preparation of environment protection metal organic framework material | |
| US10800689B2 (en) | Magnetic nanoparticle microbial composite with core-shell structure, preparation method thereof, and its application in the treatment of azo dyes | |
| CN107445387A (en) | A kind of preparation method and applications of magnetic graphene nano titania compound wastewater inorganic agent | |
| CN101670266A (en) | Method for removing organic cationic dyes from waste water by magnetic nano adsorption material | |
| CN111282965B (en) | Method for preparing magnetic material LDH (layered double hydroxide) by recycling electroplating sludge | |
| CN109647349B (en) | Modified ferroferric oxide nano compound for removing heavy metal ions and organic matters in industrial wastewater and preparation method thereof | |
| CN107754797B (en) | Nano Cu2O @ porous carbon composite photocatalytic material and preparation method thereof | |
| CN106943886A (en) | A kind of preparation method and applications of cellulose composite membrane | |
| CN103950987A (en) | Recycling method of pickling sludge | |
| CN104383900A (en) | Preparation method of polypyrrole-modified corncob composite adsorbent | |
| Shen et al. | Super-efficient removal and adsorption mechanism of anionic dyes from water by magnetic amino acid-functionalized diatomite/yttrium alginate hybrid beads as an eco-friendly composite | |
| CN103623779A (en) | Hydrophilic functional carbon sphere and application thereof for removing heavy metal ions in waste water | |
| CN114307941B (en) | Aminated surface defect sphalerite material, preparation method and application thereof in degradation of perfluorinated compounds | |
| Zhu et al. | Dual-responsive copolymer hydrogel as broad-spectrum adsorbents for metal ions | |
| CN103041765B (en) | Nano magnetic biological heavy metal capture agent, preparation method and application thereof | |
| AU2021103361A4 (en) | Acid-resistant chitin magnetic adsorbent and preparation method and application thereof | |
| Punta et al. | Sustainable and Eco‐safe Nanocellulose‐based Materials for Water Nano‐treatment | |
| Yuan et al. | A core-shell FeNiP@ SrFe-MOF magnetic powder with rapid and efficient degradation of dye and Cr (VI) wastewater | |
| García‐Castrillo et al. | Low Environmental Impact Magnetic Chitosan and Chitin Cryogels for PFAS Remediation |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |