Preparation and application of high-throughput emulsion separation material

An emulsion separation, high-throughput technology, applied in the field of materials, to achieve the effect of improving separation flux, avoiding post-transfer steps, and overcoming the shortcomings of transport kinetics

Active Publication Date: 2020-04-24
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The content of the present invention aims at the problems existing in the separation flux of the existing emulsion separation materials, and provides the preparation and application of a high-flux emulsion separation material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Preparation of CF@MOF(HKUST-1) / PDMS: Dissolve 1.0 g of copper sulfate pentahydrate in 100 mL of deionized water, add 10 g of skin powder, stir at 2000 rpm for 1.0 h, and filter with 200-mesh gauze. Prepared loaded Cu 2+ The skin collagen fibers; will load Cu 2+ The skin collagen fibers were fully mixed with 500 mL of deionized water containing 2.0 g of trimesic acid, stirred at 1000 rpm for 5.0 min, and left to react for 24 h. The reacted sample was filtered with 200 mesh gauze, and deionized water was mixed with no The CF@MOF (HKUST-1) was obtained after being washed with water and ethanol separately, and dried at 45 °C; the CF@MOF (HKUST-1) was crushed and ground with a 0.5 mm sieve, and then placed in 20 mL of 5.0 wt% CF@MOF(HKUST-1) / PDMS was obtained after immersing PDMS in dodecane solution for 5.0 min and drying at 45°C;

[0025](2) Preparation of water-in-oil emulsion stabilized by ionic / nonionic compound surfactants: Span 80 (0.05 g) was dissolved in dodec...

Embodiment 2

[0028] (1) Preparation of CF@MOF(HKUST-1) / PDMS: Dissolve 1.25 g of copper sulfate pentahydrate in 100 mL of deionized water, add 10 g of skin powder, stir at 2000 rpm for 1.0 h, and filter with 200-mesh gauze. Prepared loaded Cu 2+ The skin collagen fibers; will load Cu 2+ The skin collagen fibers were fully mixed with 500 mL deionized water containing 3.0 g trimesic acid, stirred at 1000 rpm for 5.0 min, and left to react for 24 h. The reacted sample was filtered with 200 mesh gauze, and deionized water was mixed with no The CF@MOF (HKUST-1) was obtained after being washed with water and ethanol separately, and dried at 45°C; the CF@MOF (HKUST-1) was crushed and ground with a 0.5 mm sieve, and then placed in 20 mL of 5.0wt% CF@MOF(HKUST-1) / PDMS was obtained after immersing PDMS in dodecane solution for 5.0 min and drying at 45°C;

[0029] (2) Preparation of water-in-oil emulsion stabilized by ionic / nonionic compound surfactants: Span 80 (0.05 g) was dissolved in dodecane (1...

Embodiment 3

[0032] (1) Preparation of CF@MOF(HKUST-1) / PDMS: Dissolve 1.5 g of copper sulfate pentahydrate in 100 mL of deionized water, add 10 g of skin powder, stir at 2000 rpm for 1.0 h, and filter with 200-mesh gauze to prepare get load Cu 2+ The skin collagen fibers; will load Cu 2+ The skin collagen fibers were mixed fully with 500 mL deionized water containing 3.52 g trimesic acid, stirred at 1000 rpm for 5.0 min, and then left to react for 24 h. The reacted sample was filtered with 200 mesh gauze, and deionized water was mixed with no The CF@MOF (HKUST-1) was obtained after being washed with water and ethanol separately, and dried at 45°C; the CF@MOF (HKUST-1) was crushed and ground with a 0.5 mm sieve, and then placed in 20 mL of 5.0wt% CF@MOF(HKUST-1) / PDMS was obtained after immersing PDMS in dodecane solution for 5.0 min and drying at 45°C;

[0033] (2) Preparation of water-in-oil emulsion stabilized by ionic / nonionic compound surfactants: Span 80 (0.05 g) was dissolved in dod...

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Abstract

The invention discloses preparation and application of a high-throughput emulsion separation material. The preparation comprises the steps of coordinating metal ions with a specific concentration withcollagen fiber under the action of high-speed stirring; controlling the molar concentration ratio of metal ions to an organic ligand and the reaction time so that a metal organic framework compound screening layer grows on the surface of the collagen fiber, and then performing surface hydrophobic treatment on the obtained collagen fiber modified by the metal organic framework compound by using alow-surface-energy substance, so that the high-flux emulsion separation material is prepared. According to the emulsion separation material disclosed by the invention, due to the screening effect of the metal organic framework compound and the capillary effect of the collagen fiber, various microemulsions and nano-emulsions with stable surfactants can be separated in a high-throughput manner.

Description

technical field [0001] The invention relates to the preparation and application of a high-flux emulsion separation material, which belongs to the field of material technology. Background technique [0002] Petrochemical, light industry and iron and steel industries produce a large amount of emulsion wastewater in the production process, causing huge environmental pressure (Putatunda S, Bhattacharya S, Sen D, Bhattacharjee C. A review on the application of different treatment processes for emulsified oily wastewater[J ]. International Journal of Environmental Science and Technology, 2019, 16:2525-2536. Si Y F, Guo Z G. Superwetting materials of oil-water emulsion separation[J]. Chemistry Letters, 2015, 44: 874-883.). In recent years, porous sieving materials have been widely used in the field of emulsion separation (Yang C, Han N, Han C Y, Wang M L, Zhang W X, Wang W J, Zhang Z X, Li W, Zhang X X. Design of a Janus F-TiO 2 @PPS porous membrane withasymmetric wettability for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/37D06M15/643C08G83/00B01D61/00B01D69/12B01D67/00D06M101/14
CPCB01D61/00B01D67/0002B01D67/003B01D69/12C08G83/008D06M15/37D06M15/643D06M2101/14
Inventor 黄鑫肖涵中石碧
Owner SICHUAN UNIV
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