CN107737569A - Remove the device and method of colloidal sol intermediate ion - Google Patents
Remove the device and method of colloidal sol intermediate ion Download PDFInfo
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- CN107737569A CN107737569A CN201711081605.8A CN201711081605A CN107737569A CN 107737569 A CN107737569 A CN 107737569A CN 201711081605 A CN201711081605 A CN 201711081605A CN 107737569 A CN107737569 A CN 107737569A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0091—Preparation of aerogels, e.g. xerogels
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Abstract
The present invention provides a kind of device and method for removing colloidal sol intermediate ion, wherein removing the device of colloidal sol intermediate ion includes：First bin, the first bin are internally formed the first accommodating chamber for accommodating liquid, and the first bin is provided with the inlet communicated with the first accommodating chamber and the liquid outlet for discharging liquid；Second bin, second bin is arranged in the first accommodating chamber of the first bin, second bin is internally formed the second accommodating chamber for accommodating liquid, and the side wall of the second bin is provided with filter membrane, and the liquid ions under electric field action in the second accommodating chamber can pass through filter membrane to enter in the first accommodating chamber；Positive and negative electrode, positive and negative electrode are separately mounted on the first bin, and one end of positive and negative electrode is stretched into the first accommodating chamber of the first bin and the other end is used to be connected with dc source.According to the device of the removal colloidal sol intermediate ion of the present invention, the foreign ion in oxide sol can be effectively removed, and process cycle is shorter, reproducible, cost is low.
Description
Technical field
The present invention relates to technical field of material, more particularly, to a kind of device for removing colloidal sol intermediate ion and side
Method.
Background technology
Porous nanometer material such as silica, titanium oxide, zirconium oxide etc., it is heat-insulated, be incubated and urge due to good insulation
The superior functions such as change, it is always the focus of people's research.It is more at present that various porous nanometer materials are prepared using sol-gal process, be
Saving cost, during using inorganic salts as presoma, a variety of aqueous impurities ions can be contained in the colloidal sol of preparation, as sodium from
Son, chlorion, potassium ion etc., the presence of these inorganic ions have a great impact to the performance of prepared porous material, often
The minimizing technology of rule is that above-mentioned colloidal sol is carried out into multiple exchange processing using amberplex.However, purify in this way
When, it is not only time-consuming longer, whole manufacturing cycle is significantly increased and is difficult to ensure that impurity ion content is reduced to suitable model
In enclosing, the ion exchange resin price used during this is costly and Repeatability is poor, and service efficiency is low, is not suitable for big rule
Mould uses.
Application No. 200810121218.8, a kind of entitled " the removal side of water-solubility impurity ion in nano-oxide
The Chinese invention application of method ", nano-oxide dispersion liquid is placed on the barrier film side with agitation, the opposite side of barrier film is placed with band
There is the deionized water of ion exchange resin, the water-solubility impurity ion that barrier film is constantly will transmit through using ion exchange resin is removed
Go, the nano-oxide after processing, the content of water-solubility impurity ion is less than 0.001%.Improved although adopting this method
Efficiency, but process cycle is still relatively long, poor repeatability, is not suitable for a wide range of use.
Application No. 201310738614.5, in entitled " method for removing contaminated ion in water body or porous media "
State's patent application, a kind of method for removing contaminated ion in water body or porous media is disclosed, using the electricity of two super capacitors
Extremely both positive and negative polarity, using porous media or water body as electrolyte, using the zwitterion in electrode adsorption porous media or water body, lead to
Cross to take out electrode and discharge and realize the purpose of ion remaval.The efficiency of this method is higher, but its clean-up effect depends on institute
The electrode of use, it is electrically operated to be repeated charge and discharge, and poor controllability.
On the other hand, for aerogel material, during using inorganic salts as presoma, often foreign particle is incorporated into
In obtained aeroge, so as to get material property decline, in order to avoid this phenomenon, generally using at ion exchange resin
Several days are managed with the foreign ion in removing system, but this method makes whole manufacturing cycle elongated and adds cost, reduces
Efficiency.Therefore, being urgently desirable to develop one kind can be such that foreign ion in colloidal sol quickly removes, and cost is low, efficiency high
Method.
The content of the invention
In view of this, the present invention provides a kind of device for removing colloidal sol intermediate ion.
The present invention also proposes a kind of method for removing colloidal sol intermediate ion.
In order to solve the above technical problems, present invention employs following technical scheme：
The device of the removal colloidal sol intermediate ion of embodiment includes according to a first aspect of the present invention：
First bin, first bin are internally formed the first accommodating chamber for accommodating liquid, and first bin is provided with
The inlet and the liquid outlet of discharge liquid communicated with first accommodating chamber；
Second bin, second bin are arranged in first accommodating chamber of the first bin, in second bin
Portion is formed with the second accommodating chamber for accommodating liquid, and the side wall of second bin is provided with filter membrane, described second under electric field action
Liquid ions in accommodating chamber can pass through the filter membrane to enter in first accommodating chamber；
Positive and negative electrode, the positive and negative electrode are separately mounted on first bin, and one end of the positive and negative electrode is stretched into
In first accommodating chamber of first bin and the other end is used to be connected with dc source.
Preferably, the filter membrane is made up of polymer chemistry synthetic material or natural macromolecular material.
Preferably, the filter membrane has the aperture of preliminary dimension.
Preferably, the filter membrane be arranged on the side wall of second bin with the electrode opposite position.
Preferably, the supporting plate for being used for supporting second bin is provided with inside first bin, the supporting plate will
First accommodating chamber is divided into upper chamber and lower chambers, the supporting plate be provided with through hole with connect the upper chamber and it is described under
Chamber.
Preferably, the device for removing colloidal sol intermediate ion also includes agitating device, and the agitating device is arranged on described
The bottom chamber of first accommodating chamber.
Preferably, first bin is provided with upper lid, it is described on cover for sealing the inlet.
Preferably, the upper lid is provided with the breather valve that can be opened and closed.
Preferably, second bin and the first bin size are 20%-80%.
Further, second bin and the first bin size are 45%-65%.
Preferably, first bin and second bin are made by insulating materials.
Further, the insulating materials includes ceramics, plastics or glass.
Preferably, the positive and negative electrode is graphite electrode.
The method of a kind of removal colloidal sol intermediate ion of embodiment according to a second aspect of the present invention, using described in above-described embodiment
Removal colloidal sol intermediate ion device, comprise the following steps：
1) oxide sol of impure ion is added in the second accommodating chamber of second bin and by described second
Bin is placed in inside first accommodating chamber of first bin；
2) oxide sol of the impure ion is added in first accommodating chamber, so that first accommodating chamber
Liquid level of the liquid level of interior liquid not higher than the liquid in second accommodating chamber；
3) positive and negative electrode is connected to the both positive and negative polarity of dc source respectively to be powered to the oxide sol；
4) after the scheduled time that switches on power, power supply is closed, opens the liquid in leakage fluid dram exclusion first accommodating chamber,
The oxide sol of the recovery in second accommodating chamber.
Repeating said steps 2)-step 4), until the conductance of the oxide sol in second accommodating chamber is
In preset range.
Preferably, it is stirred while energization in the step 3) to the oxide sol.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
The device of removal colloidal sol intermediate ion according to embodiments of the present invention, by setting the first bin, the second bin, positive and negative
Electrode, and the attachment structure of each part, the foreign ion in oxide sol can be simply and effectively removed, and handle week
Phase is shorter, reproducible, and cost is low.Foreign ion in aerogel material preparation process can be not only removed, and overcomes biography
The shortcomings that system method cost is high, and time-consuming, can adapt to the large-scale industrial production of aerogel material.
Brief description of the drawings
Fig. 1 is the structural representation of the device of the removal colloidal sol intermediate ion of the embodiment of the present invention；
Fig. 2 is the flow chart of the method for the removal colloidal sol intermediate ion of the embodiment of the present invention.
Reference：
Remove the device 100 of colloidal sol intermediate ion；
First bin 10；Inlet 11；Liquid outlet 12；First accommodating chamber 13；Upper chamber 131；Lower chambers 132；Upper lid 14；
Breather valve 141；
Second bin 20；Second accommodating chamber 21；Filter membrane 22；
Positive and negative electrode 30；
Supporting plate 40；
Agitating device 50.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright part of the embodiment, rather than whole embodiments.Based on described embodiments of the invention, ordinary skill
The every other embodiment that personnel are obtained, belongs to the scope of protection of the invention.
The device 100 of removal colloidal sol intermediate ion according to embodiments of the present invention is specifically described with reference to accompanying drawing first below.
As shown in figure 1, the device 100 of removal colloidal sol intermediate ion according to embodiments of the present invention includes the first bin 10, the
Two bins 20 and positive and negative electrode 30.
Specifically, the first bin 10 be internally formed accommodate liquid the first accommodating chamber 13, the first bin 10 be provided with
The liquid outlet 12 of inlet 11 that first accommodating chamber 13 communicates and discharge liquid, the second bin 20 are arranged on the of the first bin 10
In one accommodating chamber 13, the second bin 20 is internally formed the second accommodating chamber 21 for accommodating liquid, and the side wall of the second bin 20 is provided with
Filter membrane 22, the liquid ions under electric field action in the second accommodating chamber 21 can pass through filter membrane 22 to enter in the first accommodating chamber 13,
Positive and negative electrode 30 is separately mounted on the first bin 10, and the first accommodating chamber 13 of the first bin 10 is stretched into one end of positive and negative electrode 30
The interior and other end is used to be connected with dc source.
In other words, the inside of the first bin 10 is provided with the first accommodating chamber 13, and the first bin 10 is provided with the He of inlet 11 simultaneously
Liquid outlet 12, sol solution can be entered in the first accommodating chamber 13 by inlet 11, will by liquid outlet 12 after treatment
Solution is discharged.Second bin 20 can be put into the first accommodating chamber 13 of the first bin 10 by inlet 11, in the second bin 20
Portion is provided with the second accommodating chamber 21, and the second accommodating chamber 21 is used to contain sol liquid or other liquid, in the side wall of the second bin 20
It is provided with filter membrane 22.The inside of first bin 10 is provided with positive and negative electrode 30, after positive and negative electrode 30 is connected with dc source and with the
One accommodating chamber 13 is formed with the liquid in the second accommodating chamber 21 and electrically connected, and now the liquid ions in the second accommodating chamber 21 are in electric field
Under effect, zwitterion moves through positive and negative electrode 30 of the filter membrane 22 respectively into the first accommodating chamber 13, so as to which second be accommodated
Ion remaval in chamber 21 in liquid.The preferable external 220V dc sources of positive and negative electrode 30, its work in embodiments of the invention
It is adjustable to make voltage, maximum current≤2A can also be according to the size of the suitable voltage of actual conditions connection or adjustment work electric current.
The liquid outlet 12 of the present invention can be controlled by valve, and valve is made up of plastics dielectric material, such as polypropylene plastics
Material is made.
Thus, the device 100 of removal colloidal sol intermediate ion according to embodiments of the present invention, by setting the first bin 10, if
The second bin 20 in the first bin 10 is put, the side wall of the second bin 20 is provided with filter membrane 22, positive negative electricity is provided with the first bin 10
Pole 30, positive and negative electrode 30 make in the case where switching on power be formed with electric field, electric field in the first bin 10 and the second bin 20
Ion transfer provides power, and the zwitterion in liquid in second bin 20 is being moved into the first bin 10 just by filter membrane 22
At negative electrode 30, and then the ion in the second bin 20 in liquid is eliminated, the device is not only simple in structure, and can make colloidal sol
Middle foreign ion quickly removes, and cost is low, efficiency high.
According to a preferred embodiment of the invention, filter membrane 22 is by polymer chemistry synthetic material or natural macromolecular material system
There is the aperture of preliminary dimension into, filter membrane 22, soluble small molecular or ion permeable can be allowed by the filter membrane 22, it is impossible to allow nanometer
Oxide or colloid macromolecules are passed through, and the aperture of filter membrane 22 can be selected according to actual conditions, if aperture is preferably 20nm, i.e.,
More than 20nm colloidal sol molecule can not pass through filter membrane 22, and charged ion can pass freely through filter membrane 22, so as to by colloidal sol and colloidal sol
In ion isolation.
According to one embodiment of present invention, filter membrane 22 be arranged on the side wall of the second bin 20 with electrode opposite position
Place, filter membrane 22 is correspondingly arranged with positive and negative electrode 30 is easy to ion to move out, and improves ion remaval efficiency.
According to one embodiment of present invention, the inside of the first bin 10 is provided with the supporting plate for being used for supporting the second bin 20
40, supporting plate 40 divides the first accommodating chamber 13 for upper chamber 131 and lower chambers 132, supporting plate 40 be provided with through hole to connect on
Chamber 131 and lower chambers 132.
That is, be provided with supporting plate 40 in the first accommodating chamber 13 of the first bin 10, supporting plate 40 can support the
Two bins 20, while the first accommodating chamber 13 is divided for upper chamber 131 and lower chambers 132, the through hole in supporting plate 40 is by upper chamber
131 connect with lower chambers 132, to keep upper chamber 131 consistent with the liquid component in lower chambers 132.Embodiments of the invention
Middle supporting plate 40 is made up of alumina ceramic material, after a period of time, can be easy to clean.
A kind of device 100 of removal colloidal sol intermediate ion of the present invention also includes agitating device 50, and agitating device 50 is arranged on
It is oppositely arranged in the lower chambers 132 of first accommodating chamber 13 and with liquid outlet 12.Further agitating device 50 include power source and
The blade being connected with power source, rotated in the internally-powered source driving blade of lower chambers 132 so that the first accommodating chamber 13 and second accommodates
Ion in chamber 21 in liquid accelerates movement, substantially increases the speed of deionization.Stirred in the preferred embodiments of the present invention
The revolution of device 50 can be adjusted, and the range of speeds is preferably 60-2000r/min.
Preferably, as shown in figure 1, the first bin 10 is provided with upper lid 14, specifically, on this lid 14 by electrically non-conductive material for example
Plastics are made, and it forms complete warehouse with the first bin 10, whole device is in a kind of atmospheric pressure environment.Upper lid 14 is used to seal
Inlet 11, the second bin 20 can be put into the first accommodating chamber 13 by inlet 11.Upper lid 14 is provided with and can open and close
The breather valve 141 closed, under normal circumstances because self gravitation effect, breather valve 141 are in air-tight state, can prevent dust etc.
Alien material enters device, and and can prevents liquid splash during plant running.When generation gas raises pressure in device,
Breather valve 141 can automatically open up to reduce the pressure in device under pressure, play a protective role.
In certain specific embodiments of the invention, the second bin 20 and the size of the first bin 10 are 20%-
80%, it is preferable that the second bin 20 and the size of the first bin 10 are 30%-70%, more preferably 45%-65%, are passed through
The ratio can be preferably using the first accommodating chamber 13 and the space use ratio of the second accommodating chamber 21, with the short period of time
Remove the ion in liquid in the second accommodating chamber 21.
Preferably, the first bin 10 and the second bin 20 are made by insulating materials.Insulating materials include ceramics, plastics or
Glass.In the preferred embodiments of the present invention, the first bin 10 is made of polypropylene plastics, both can guarantee that whole device does not produce
Leaky, there is certain intensity again, ensure that foreign ion removal process can be carried out smoothly at a certain temperature.The
Two bins 20 use polytetrafluoroethylplastic plastic, have preferable decay resistance and have certain intensity, are easy to clean, can be repeatedly
Use.
In embodiments of the invention, positive and negative electrode 30 is graphite electrode, cheap, reduces cost.
A kind of method of removal colloidal sol intermediate ion of the present invention, using the device 100 of above-mentioned removal colloidal sol intermediate ion, such as scheme
Shown in 2, comprise the following steps：
S1, the oxide sol of impure ion is added in the second accommodating chamber 21 of the second bin 20 and by the second bin
20 are placed in inside the first accommodating chamber 13 of the first bin 10；
Specifically, the sol solution containing foreign ion of certain volume is poured into the second bin 20, and will be equipped with molten
Second bin 20 of sol solution is built in the supporting plate 40 in the first accommodating chamber 13 of the first bin 10.
S2, the oxide sol of impure ion is added in the first accommodating chamber 13, so that the liquid in the first accommodating chamber 13
Liquid level of the liquid level of body not higher than the liquid in the second accommodating chamber 21；
Specifically, into the first bin 10 inject certain volume with the composition identical colloidal sol of the second bin 20, make liquid level
The upper surface of the second bin 20 can not be submerged, covers lid 14 on the first bin 10.
S3, positive and negative electrode 30 is connected to the both positive and negative polarity of dc source respectively to be powered to oxide sol；
S4, after the scheduled time that switches on power, power supply is closed, opens the liquid in leakage fluid dram the first accommodating chamber 13 of exclusion,
Oxide sol of the recovery in the second accommodating chamber 21.
Preferably, repeat step S2- steps S4, until the conductance of the oxide sol in the second accommodating chamber 21 is predetermined
In the range of.
Preferably, it is stirred while energization in step S3 to oxide sol.Specifically, agitating device is passed through
Liquid in first accommodating chamber 13 is stirred.
The method that removal colloidal sol intermediate ion according to embodiments of the present invention is specifically described with reference to specific embodiment.
Embodiment 1
Using the device of the removal colloidal sol intermediate ion shown in Fig. 1 to miscellaneous in the silica sol containing sodium ion and chlorion
Matter ion remaval, detailed process are as follows：
Before experiment, sol solution electrical conductivity, and record data are tested using MP256 conductivity measurements.
Device as shown in Figure 1, open and covered on the first bin, take out the second bin, poured into the second accommodating chamber certain
The silica sol of volume, then the second bin is put back in the first bin, then poured into the first accommodating chamber of the first bin
The silica sol solution of certain volume, liquid level is seted to cover the upper lid of the first bin from submerging the upper end of the second bin.
Graphite electrode is connected with dc source, turned on the power switch, regulation current output value is 1.2A, starts device
Operation.
Agitating device switch is opened, suitable rotating speed is adjusted, reaches churned mechanically effect.
After 30min, dc source and agitating device are closed, then opens liquid outlet, the liquid in the first bin is discharged,
Open and covered on the first bin, take out the second bin, sol solution electricity in the second accommodating chamber is tested using MP256 conductivity measurements
Conductance.
After repeating said process three times, obtained conductivity data is as shown in table 1 below.
Table 1 is by different time processing rear oxidation Ludox electrical conductivity
As can be seen that after certain time is handled, conductive sol rate is almost non-conductive in below 1us/cm, shows molten
Foreign ion in glue is substantially eliminated.
Embodiment 2
Using the device of removal colloidal sol intermediate ion as shown in Figure 1 prepared by zirconia aerogels material, it is prepared
During foreign ion in colloidal sol is removed.Detailed process is as follows：
The preparation of zirconia sol：With inorganic precursor ZrOCl2For presoma, acetic acid is chelating agent, prepares ZrO2Colloidal sol,
1) 0.3gNaOH is dissolved in 20ml deionized waters, 1.6ml acetic acid is then added under stirring is made cushioning liquid, stirs
96ml ethanol solutions are added under state, 6gZrOCl is added in most backward solution2, 1.5h in 50 DEG C of baking ovens is placed in after stirring 30min
It can be prepared by zirconia sol.
Before experiment, sol solution electrical conductivity, and record data are tested using MP256 conductivity measurements.
Covered as shown in figure 1, opening on the first bin, take out the second bin, poured into the second accommodating chamber on certain volume
Obtained zirconia sol is stated, then puts back to the second bin in the first bin, then is fallen into the first accommodating chamber of the first bin
Enter the zirconia sol solution of certain volume, liquid level is covered and is covered on the first bin from submerging the second bin.
Graphite electrode is connected with dc source, turned on the power switch, regulation current output value is 1.2A, starts device
Operation.
Agitating device is opened, suitable rotating speed is adjusted, reaches churned mechanically effect.
After 30min, dc source and agitating device are closed, opens liquid outlet, the liquid in the first bin is discharged, is opened
Covered on first bin, take out the second bin, the sol solution conductance tested using MP256 conductivity measurements in the second accommodating chamber
Rate.
After repeating said process three times, obtained conductivity data is as shown in table 2 below.
Table 2 is by different time processing rear oxidation zirconium colloidal sol electrical conductivity
As can be seen here, after certain time is handled, conductive sol rate is almost non-conductive in below 1us/cm, shows molten
Foreign ion in glue is substantially removed.
Sum it up, the device of removal colloidal sol intermediate ion according to embodiments of the present invention, by setting the first bin, second
Bin, positive and negative electrode, and the attachment structure of each part, and the method for removing by the device colloidal sol intermediate ion, Ke Yijian
List, the effectively foreign ion in removing oxide sol, and process cycle is shorter, reproducible, cost is low, overcomes tradition
The shortcomings that method cost is high, and time-consuming, can adapt to the large-scale industrial production of aerogel material.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (16)
- A kind of 1. device for removing colloidal sol intermediate ion, it is characterised in that including：First bin, first bin are internally formed the first accommodating chamber for accommodating liquid, and first bin is provided with and institute State the liquid outlet of inlet and discharge liquid that the first accommodating chamber communicates；Second bin, second bin are arranged in first accommodating chamber of the first bin, shape inside second bin Into the second accommodating chamber for having receiving liquid, the side wall of second bin is provided with filter membrane, and described second accommodates under electric field action The liquid ions of intracavitary can pass through the filter membrane to enter in first accommodating chamber；Positive and negative electrode, the positive and negative electrode are separately mounted on first bin, and one end of the positive and negative electrode is stretched into described In first accommodating chamber of the first bin and the other end is used to be connected with dc source.
- 2. the device according to claim 1 for removing colloidal sol intermediate ion, it is characterised in that the filter membrane is by polymer chemistry Synthetic material or natural macromolecular material are made.
- 3. the device according to claim 2 for removing colloidal sol intermediate ion, it is characterised in that the filter membrane has preliminary dimension Aperture.
- 4. the device according to claim 1 for removing colloidal sol intermediate ion, it is characterised in that the filter membrane is arranged on described the The side wall of two bins with the electrode opposite position.
- 5. the device according to claim 1 for removing colloidal sol intermediate ion, it is characterised in that be provided with inside first bin For supporting the supporting plate of second bin, first accommodating chamber is divided into upper chamber and lower chambers by the supporting plate, institute Supporting plate is stated provided with through hole to connect the upper chamber and the lower chambers.
- 6. the device according to claim 2 for removing colloidal sol intermediate ion, it is characterised in that described also including agitating device Agitating device is arranged on the bottom chamber of first accommodating chamber.
- 7. the device according to claim 1 for removing colloidal sol intermediate ion, it is characterised in that first bin is provided with upper Lid, it is described on cover for sealing the inlet.
- 8. the device according to claim 7 for removing colloidal sol intermediate ion, it is characterised in that the upper lid is provided with and can opened The breather valve for opening and closing.
- 9. the device according to claim 1 for removing colloidal sol intermediate ion, it is characterised in that second bin and described the One bin size is 20%-80%.
- 10. it is according to claim 9 remove colloidal sol intermediate ion device, it is characterised in that second bin with it is described First bin size is 45%-65%.
- 11. the device according to claim 1 for removing colloidal sol intermediate ion, it is characterised in that first bin and described Second bin is made by insulating materials.
- 12. the device according to claim 11 for removing colloidal sol intermediate ion, it is characterised in that the insulating materials includes pottery Porcelain, plastics or glass.
- 13. the device according to claim 1 for removing colloidal sol intermediate ion, it is characterised in that the positive and negative electrode is graphite Electrode.
- A kind of 14. method for removing colloidal sol intermediate ion, it is characterised in that usage right requires the removal any one of 1-14 The device of colloidal sol intermediate ion, comprises the following steps：1) oxide sol of impure ion is added in the second accommodating chamber of second bin and by second bin It is placed in inside first accommodating chamber of first bin；2) oxide sol of the impure ion is added in first accommodating chamber, so that in first accommodating chamber Liquid level of the liquid level of liquid not higher than the liquid in second accommodating chamber；3) positive and negative electrode is connected to the both positive and negative polarity of dc source respectively to be powered to the oxide sol；4) after the scheduled time that switches on power, power supply is closed, opens the liquid in leakage fluid dram exclusion first accommodating chamber, recovery The oxide sol in second accommodating chamber.
- 15. the method according to claim 14 for removing colloidal sol intermediate ion, it is characterised in that repeating said steps 2)-step It is rapid 4), until the conductance of the oxide sol in second accommodating chamber is in preset range.
- 16. the method according to claim 15 for removing colloidal sol intermediate ion, it is characterised in that to described in the step 3) It is stirred while oxide sol is powered.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711081605.8A CN107737569A (en) | 2017-11-07 | 2017-11-07 | Remove the device and method of colloidal sol intermediate ion |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711081605.8A CN107737569A (en) | 2017-11-07 | 2017-11-07 | Remove the device and method of colloidal sol intermediate ion |
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| CN101497471A (en) * | 2008-09-25 | 2009-08-05 | 许炯 | Method for removing water-soluble heteroion in nano oxide |
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| CN207614814U (en) * | 2017-11-07 | 2018-07-17 | 优澎（嘉兴）新材料科技有限公司 | Remove the device of colloidal sol intermediate ion |
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2017
- 2017-11-07 CN CN201711081605.8A patent/CN107737569A/en active Pending
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| CN101497471A (en) * | 2008-09-25 | 2009-08-05 | 许炯 | Method for removing water-soluble heteroion in nano oxide |
| CN105612273A (en) * | 2014-09-19 | 2016-05-25 | 株式会社东芝 | Electrolytic device, electrode unit, and method for generating electrolytic water |
| CN105463502A (en) * | 2015-05-26 | 2016-04-06 | 北京建元天地环保科技有限公司 | Multi-functional running water type electrolytic tank |
| CN106823814A (en) * | 2017-02-09 | 2017-06-13 | 纳晶科技股份有限公司 | The purification devices of nanocrystal solution, purification process and purification system |
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Effective date of registration: 20180502 Address after: 314006 3FA03-06-119 705, Asia Pacific Road, Nanhu District, Jiaxing, Zhejiang. Applicant after: And Peng (Jiaxing) new Mstar Technology Ltd Address before: 200120 Pudong New Area, Shanghai, China (Shanghai) free trade trial area, No. 3, 1 1, Fang Chun road. Applicant before: Shanghai Ya Peng new Mstar Technology Ltd |