CN109384286A - It is a kind of can the continuous efficient self-supporting desalination membrane electrode of large area preparation method - Google Patents
It is a kind of can the continuous efficient self-supporting desalination membrane electrode of large area preparation method Download PDFInfo
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- CN109384286A CN109384286A CN201710664204.9A CN201710664204A CN109384286A CN 109384286 A CN109384286 A CN 109384286A CN 201710664204 A CN201710664204 A CN 201710664204A CN 109384286 A CN109384286 A CN 109384286A
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- membrane electrode
- supporting
- desalination membrane
- preparation
- specific gravity
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- 238000010612 desalination reaction Methods 0.000 title claims abstract description 16
- 239000012528 membrane Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract 3
- 239000011268 mixed slurry Substances 0.000 claims abstract 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- 229920001661 Chitosan Polymers 0.000 claims description 8
- 229910000859 α-Fe Inorganic materials 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000003575 carbonaceous material Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Natural products CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 2
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 239000006230 acetylene black Substances 0.000 claims description 2
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 2
- 239000001099 ammonium carbonate Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 235000010413 sodium alginate Nutrition 0.000 claims description 2
- 239000000661 sodium alginate Substances 0.000 claims description 2
- 229940005550 sodium alginate Drugs 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims 4
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000003463 adsorbent Substances 0.000 claims 1
- 238000013019 agitation Methods 0.000 claims 1
- 239000002041 carbon nanotube Substances 0.000 claims 1
- 229910021393 carbon nanotube Inorganic materials 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 150000002085 enols Chemical class 0.000 claims 1
- 125000005909 ethyl alcohol group Chemical group 0.000 claims 1
- 238000002242 deionisation method Methods 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4691—Capacitive deionisation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electrochemistry (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses it is a kind of can the quick self-supporting desalination membrane electrode of continuous large area preparation method, it the following steps are included: the mixed slurry of the high dispersive after drying is rolled to obtain high mechanical strength by roll squeezer can continuous efficient quick self-supporting desalination membrane electrode.Membrane electrode preparation process provided by the invention is simple, low in cost, environmentally protective, without secondary pollution and can be used for the preparation of industrialized continuous large-area.The advantages that its English capacitive deionization equipment intermediate ion rate of adsorption is high, and time of equilibrium adsorption is short, and stability is good, reusable, will not generate secondary pollution to it.
Description
Technical field
The invention belongs to can continuous self-supporting film field, and in particular to one kind can the efficient self-supporting of continuous large area
The preparation method of desalination membrane electrode.
Background technique
Seawater and brackish water desalination be solve global water resources crisis important channel, existing method be mainly the way of distillation and
Embrane method.This patent is employed new technology desalination, and desalinating cost is reduced.Capacitive deionization electrode technology is a kind of emerging water process
Technology, principle are mainly a kind of technology separated using the charge and discharge of electric double layer to the charged ion in solution.Compared with mesh
For preceding mainstream waste water advanced purifying technology, 1) CDI technology mainly includes that low energy consumption；2) electrode regeneration process is simple；3)
Electrode cycle utilization rate is high；4) water quality treatment adjustable extent is wide；5) secondary pollution is few, saves resource；5) raw material sources are wide, at
This low advantage.The relevant technologies are included in " industry key common technology develops guide (2013) " by Ministry of Industry and Information, again to promotion
The technological progress of unboiled water industry has great importance.
Summary of the invention
It is an object of the invention to:
The technical solution of the invention is as follows it the following steps are included:
(1) by 20% ~ 70%(wt) carbon material, with the ferrite of 5 ~ 40%(wt) and answering for the crosslinked formation of chitosan active carbon
Condensation material and 5 ~ 10% pore creating material mix in dispersion solvent with 15 ~ 30% binder, form the slurry of polymolecularity
Material；
(2) polymolecularity slurry is placed in magnetic heating stirrer stirring (30-100 DEG C), is removed after at after powdered；
(3) rolling to obtain high mechanical strength by roll squeezer for powder can continuous efficient quick self-supporting desalination membrane electrode.
The invention has the advantages that provide it is a kind of can the efficient self-supporting desalination membrane electrode of continuous large area preparation method,
Using porous, electrically conductive carbon material as raw material, it is ensured that the biggish specific surface area of electrode and excellent absorption property utilize rolling work
Skill obtains the membrane electrode of large area, to realize simple and continuous uniform technology for preparing electrode.This method is prepared green
Color efficient film electrode size is controllable, and high for capacitive deionization equipment intermediate ion adsorption efficiency, low in energy consumption, stability is good,
Effect speed is fast, repeats and is recycled.
Detailed description of the invention
The macrograph of Fig. 1 high-efficient electrode film
The microcosmic electron microscope of Fig. 2 high-efficient electrode film
Electro Sorb test chart of Fig. 3 high-efficient electrode film for salting liquid
Specific embodiment
Technical solution of the invention is further illustrated combined with specific embodiments below, these embodiments should not be understood as
It is the limitation to technical solution.
Example 1:
(1) by 30% acetylene black of 30%(wt) carbon pipe, ferrite and the crosslinked formation of chitosan active carbon with 15%(wt)
Composite material and 5% polyethylene glycol with 10% sodium alginate, 10% polytetrafluoroethylene (PTFE) mixed in spirit solvent, formed
The slurry of polymolecularity；
(2) polymolecularity slurry is placed in magnetic heating stirrer stirring (50 DEG C), is removed after at after powdered；
(3) rolling to obtain high mechanical strength by roll squeezer for powder can continuous efficient quick self-supporting desalination membrane electrode.
Example 2:
(1) crosslinked with the ferrite and chitosan active carbon of 40%(wt) by 35% super-activated carbon of 5%(wt) graphene
The composite material of formation and 5% sodium bicarbonate mix in alcohol solvent with 15% polytetrafluoroethylene (PTFE), form high dispersive
The slurry of property；
(2) polymolecularity slurry is placed in magnetic heating stirrer stirring (60 DEG C), is removed after at after powdered；
(3) rolling to obtain high mechanical strength by roll squeezer for powder can continuous efficient quick self-supporting desalination membrane electrode.
Example 3:
(1) by 70%(wt) carbon material, ferrite and the composite material of the crosslinked formation of chitosan active carbon with 8%(wt),
6% ammonium hydrogen carbonate and 6% polyvinyl alcohol and 10% polytetrafluoroethylene (PTFE), mix in alcohol solvent, form polymolecularity
Slurry；
(2) polymolecularity slurry is placed in magnetic heating stirrer stirring (40 DEG C), is removed after at after powdered；
(3) rolling to obtain high mechanical strength by roll squeezer for powder can continuous efficient quick self-supporting desalination membrane electrode.
Example 4:
(1) by 5% carbon pipe of 40%(wt) super-activated carbon, 15% graphene, ferrite and the chitosan activity with 10%(wt)
The composite material of the crosslinked formation of charcoal and 10% polyvinyl alcohol and 15% polytetrafluoroethylene (PTFE), 5% chitosan are molten in ethyl alcohol
It is mixed in agent, forms the slurry of polymolecularity；
(2) polymolecularity slurry is placed in magnetic heating stirrer stirring (80 DEG C), is removed after at after powdered；
(3) rolling to obtain high mechanical strength by roll squeezer for powder can continuous efficient quick self-supporting desalination membrane electrode.
Claims (9)
1. one kind can the continuous efficient self-supporting desalination membrane electrode of large area preparation method, which is characterized in that the method
It can be continuously efficiently quickly from propping up to roll to obtain high mechanical strength by roll squeezer for the mixed slurry of the high dispersive after drying
Support desalination membrane electrode.
2. the method as described in claim 1, which is characterized in that the mixed slurry of the high dispersive is by a certain proportion of
Conductive carbon material, ferrite composite material, pore creating material, adhesive in a solvent magnetic agitation effect under mix with obtain.
3. the method as described in claim 1 and 2, which is characterized in that the conductive carbon material includes graphite powder, conduction
Charcoal
Black, active carbon, acetylene black, one or any of several mixes in carbon nanotube；The carbon material specific gravity is
20% ~ 70%(wt).
4. the method as described in claim 1 and 2, it is characterised in that ferrite composite material is that ferrite and chitosan are living
Property the crosslinked formation of charcoal composite material, specific method such as application No. is: 201510096433.6 it is a kind of efficiently can Magneto separate dye
Expect that specific gravity described described in the preparation method of adsorbent is 5 ~ 40%(wt).
5. the method as described in right 1 and 2, it is characterised in that the pore creating material is polyethylene glycol, ammonium hydrogen carbonate, poly- second
One or more of enol mixes, and the specific gravity is 5 ~ 10%.
6. the method as described in right 1 and 2, it is characterised in that the binder be polytetrafluoroethylene (PTFE) or with other bondings
Agent include sodium alginate, chitosan, the mixing of one or more of hydroxylated cellulose；The binder specific gravity be 15 ~
30%。
7. the method as described in claim 1 and 2, it is characterised in that the dispersion solvent is ethyl alcohol.
8. the method as described in claim 1 and 2, it is characterised in that the drying temperature is 30 ~ 100 DEG C.
9. the method as described in claim 1 ~ 8, which is characterized in that roll squeezer preparation can continuously efficiently quick self-supporting
Desalination membrane electrode is with a thickness of 5 ~ 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664204.9A CN109384286B (en) | 2017-08-07 | 2017-08-07 | Method for preparing continuous large-area efficient self-supporting desalination membrane electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710664204.9A CN109384286B (en) | 2017-08-07 | 2017-08-07 | Method for preparing continuous large-area efficient self-supporting desalination membrane electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109384286A true CN109384286A (en) | 2019-02-26 |
| CN109384286B CN109384286B (en) | 2020-10-27 |
Family
ID=65413085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710664204.9A Expired - Fee Related CN109384286B (en) | 2017-08-07 | 2017-08-07 | Method for preparing continuous large-area efficient self-supporting desalination membrane electrode |
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| Country | Link |
|---|---|
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685710A (en) * | 2008-09-26 | 2010-03-31 | 通用电气公司 | Methods for preparing composition and sheet containing composition as well as electrode containing sheet |
| CN105788879A (en) * | 2016-04-27 | 2016-07-20 | 东华大学 | Graphene film and continuous preparation method thereof |
| CN105983394A (en) * | 2015-03-05 | 2016-10-05 | 江南石墨烯研究院 | Method for preparing efficient and magnetically separable dye adsorbent |
| CN105990043A (en) * | 2015-03-02 | 2016-10-05 | 江南石墨烯研究院 | Preparation method of efficient porous thin film electrode used for capacitive deionization |
-
2017
- 2017-08-07 CN CN201710664204.9A patent/CN109384286B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685710A (en) * | 2008-09-26 | 2010-03-31 | 通用电气公司 | Methods for preparing composition and sheet containing composition as well as electrode containing sheet |
| CN105990043A (en) * | 2015-03-02 | 2016-10-05 | 江南石墨烯研究院 | Preparation method of efficient porous thin film electrode used for capacitive deionization |
| CN105983394A (en) * | 2015-03-05 | 2016-10-05 | 江南石墨烯研究院 | Method for preparing efficient and magnetically separable dye adsorbent |
| CN105788879A (en) * | 2016-04-27 | 2016-07-20 | 东华大学 | Graphene film and continuous preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN109384286B (en) | 2020-10-27 |
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Granted publication date: 20201027 |