A kind of ion concentration polarization chip based on graphene porous membrane and preparation method thereof
A concentration polarization, graphene technology, applied in chemical instruments and methods, semi-permeable membrane separation, membrane technology and other directions, can solve the problems of high price, device damage, difficult to obtain, etc., to achieve low price, easy preparation, The effect of easy control
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0033] Example 1: The influence of precursor solutions containing different graphene oxide and PVDF polymer solid contents on the desalination effect of brine.
[0034] 1. Take 10g of PVDF powder, add 90g of DMF, and after a long time of ultrasonication and stirring, obtain a precursor mother liquor with a uniformly dissolved solid content of 10%.
[0035]2. Take 1.76g, 2.21g, 2.65g, 3.09g, and 3.52g of PVDF mother liquor, respectively, add 0.94g, 1.18g, 1.41g, 1.65g, and 1.88g of graphene oxide, and supplement DMF to 10g. Stir until evenly mixed to obtain a precursor solution with a ratio of graphene oxide to PVDF of 1:7.5, and the solid phase content concentrations are 2%, 2.5%, 3%, 3.5%, and 4%, respectively. The solid phase content of the typical object after drying is 2.5%.
[0036] 3. Take 40g of PDMS prepolymer, add 4g of curing agent, and stir evenly. Take 5ml of it and drop it on the center of the silicon wafer with the template of the Y-shaped channel, rotate evenl...
Embodiment 2
[0042] Example 2: Effects of graphene composite films with different ratios of graphene oxide and PVDF polymer on the desalination effect of salt water.
[0043] 1. Take 10g of PVDF powder, add 90g of DMF, and after a long time of ultrasonication and stirring, obtain a precursor mother liquor with a uniformly dissolved solid content of 10%.
[0044] 2. Take 1.67g, 1.82g, 1.88g, 1.90g, 1.92g of PVDF mother liquor, 1.33g, 0.73g, 0.50g, 0.38g, 0.31g of graphene oxide added respectively, and add DMF to 10g. Stir until they are evenly mixed to obtain precursor solutions with a solid content of 2% and a ratio of graphene oxide to PVDF of 1:5, 1:10, 1:15, 1:20, and 1:25, respectively.
[0045] 3. Same as Step 3 of Example 1.
[0046] 4. Same as Step 4 of Example 1.
[0047] 5. Same as Step 5 of Example 1.
[0048] 6. Same as Step 6 of Example 1.
[0049] 7. Same as Step 7 of Example 1.
[0050] 8. With step 8 of embodiment 1, the desalination rate curve is obtained as Figure 5...
Embodiment 3
[0051] Example 3: Effect of composite films of graphene oxide and different polymers on the desalination effect of brine.
[0052] 1. Take 10g each of PVDF, PEI, polydopamine, and chitosan powder, add 90g DMF, and after a long time of ultrasonication and stirring, obtain a precursor mother liquor with a uniform dissolution and a solid content of 10%.
[0053] 2. Take 4 parts of 1.76g of the precursor mother liquor, add 0.94g of graphene oxide respectively, stir until the mixture is uniform, and obtain the precursor solution of graphene oxide and different polymer composite materials.
[0054] 3. Same as Step 3 of Example 1.
[0055] 4. Same as Step 4 of Example 1.
[0056] 5. Same as Step 5 of Example 1.
[0057] 6. Same as Step 6 of Example 1.
[0058] 7. Same as Step 7 of Example 1.
[0059] 8. With step 8 of embodiment 1, the desalination rate curve is obtained as Image 6 shown.
PUM
Property | Measurement | Unit |
---|---|---|
length | aaaaa | aaaaa |
width | aaaaa | aaaaa |
height | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com