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Hierarchical micro-nanostructure omentum based light-operated oil-water separator and its application method

A hierarchical structure, oil-water separation technology, applied in separation methods, chemical instruments and methods, liquid separation, etc., to achieve the effect of not being easily polluted by oil

Inactive Publication Date: 2012-03-21
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although there has been some progress in this area, it is still a huge challenge to achieve a stable and efficient external-field stimulus-responsive controlled oil-water separation.

Method used

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  • Hierarchical micro-nanostructure omentum based light-operated oil-water separator and its application method
  • Hierarchical micro-nanostructure omentum based light-operated oil-water separator and its application method
  • Hierarchical micro-nanostructure omentum based light-operated oil-water separator and its application method

Examples

Experimental program
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Effect test

Embodiment 1

[0045] A light control oil-water separation device based on a micro-nano hierarchical structure omentum provided in this embodiment, such as figure 1 As shown, it includes an oil-water separation device with a micro-nano hierarchical structure omentum, a constant water surface device 3 , a drainage device 4 , a water collection device 5 and a light source device 6 . The oil-water separation device with a micro-nano hierarchical structure mesh is composed of an oil-water mixture liquid collection device 1 and a micro-nano hierarchical structure mesh 2 .

[0046] The oil-water mixture liquid collection device 1 is a tubular container with both ends transparent, and a liquid guide port A7 is arranged on the side wall, with a diameter of 1 cm and a distance of 5 cm from the bottom. The micro-nano hierarchical structure omentum 2 is fixed on the bottom end of the transparent two ends of the oil-water mixture liquid collection device 1 through epoxy resin glue, and the oil-water mix...

Embodiment 2

[0060] The light-controlled oil-water separation device based on the micro-nano hierarchical structure omentum proposed in this embodiment includes an oil-water separation device with a micro-nano hierarchical structure omentum, a constant water surface device 3 , a drainage device 4 , a water collection device 5 and a light source device 6 . The oil-water separation device with a micro-nano hierarchical structure mesh is composed of an oil-water mixture liquid collection device 1 and a micro-nano hierarchical structure mesh 2 .

[0061] The oil-water mixture liquid collection device 1 is a funnel-shaped container with both ends transparent, and a liquid guide port A7 is arranged on its side wall, with a diameter of 10 cm and a distance of 30 cm from the bottom. It is fixed at the bottom end of the transparent two ends of the oil-water mixture liquid collection device 1, and the bottom end of the oil-water mixture liquid collection device 1 is sealed through the micro-nano hier...

Embodiment 3

[0074] The light-controlled oil-water separation device based on the micro-nano hierarchical structure omentum proposed in this embodiment includes an oil-water separation device with a micro-nano hierarchical structure omentum, a constant water surface device 3, a drainage device 4, a water collection device 5 and a light source device. The oil-water separation device with a micro-nano hierarchical structure mesh is composed of an oil-water mixture liquid collection device 1 and a micro-nano hierarchical structure mesh 2 .

[0075] The oil-water mixture liquid collection device 1 is a tubular container with both ends transparent, and a liquid guide port A7 with a diameter of 5 cm and a distance of 15 cm from the bottom can be arranged on the side wall to guide the separated oil. The micro-nano hierarchical structure omentum 2 is fixed on the bottom end of the transparent two ends of the oil-water mixture liquid collection device 1 through a polystyrene sealing film, and the oi...

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Abstract

The invention brings forward a hierarchical micro-nanostructure omentum based light-operated oil-water separator and its application method. The oil-water separator comprises an oil-water separator with the hierarchical micro-nanostructure omentum, a constant water surface device, a drainage device, a water gathering device and a light source device. The oil-water separator with the hierarchical micro-nanostructure omentum is composed of an oil-water mixed liquid gathering device and the hierarchical micro-nanostructure omentum, which is made from a pore structured fabric net substrate material with a microstructure and a nanorods array structured material layer which is perpendicular to the surface of the pore structured fabric net substrate material. The hierarchical micro-nanostructureomentum can have superhydrophobicity after dark storage and can have superhydrophilicity by ultraviolet light. The hierarchical micro-nanostructure omentum based light-operated oil-water separator isstable, highly efficient and environmentally friendly. With the application of the light-operated oil-water separator for oil-water separation control, light-operated water can penetrate through the omentum instead of oil. In addition, the light-operated oil-water separator can be repeatedly used.

Description

technical field [0001] The invention belongs to the technical fields of chemical engineering and functional materials, and in particular relates to a light-control oil-water separation device based on a micro-nano hierarchical structure mesh and an application method thereof. Background technique [0002] Controlled wettability of solid surfaces has attracted extensive attention and demonstrated its advantages in solving challenging world problems such as anti-fog, anti-icing, drag reduction, self-cleaning, oil-contaminated water separation, etc. In recent years, the research on the response of solid surface wettability to external stimuli has received extensive attention from researchers, such as light response, electrical response, thermal response, pH response, solvent response, and photoelectric synergistic response. Studies have shown that chemical composition and geometry are the two main factors controlling surface wettability. Micro-nanostructures are often introduc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D17/022B01J19/12
Inventor 田东亮张孝芳王女翟锦江雷
Owner BEIHANG UNIV
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