Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Efficient oil-water separation device based on electrostatic spinning nanofiber membrane

A technology of oil-water separation device and nanofiber membrane, which is applied in oil/oily substance/float removal device, water/sewage treatment, water/sewage multi-stage treatment, etc., can solve the problem of short service life and anti-pollution ability of nanofiber membrane. problems such as poor separation, to achieve the effects of high separation efficiency, saving water resources, and improving service life

Pending Publication Date: 2021-03-12
XI'AN POLYTECHNIC UNIVERSITY
View PDF10 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a high-efficiency oil-water separation device based on electrospinning nanofiber membranes, which solves the problems of short service life and poor anti-pollution ability of nanofiber membranes prepared by electrospinning in the prior art

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Efficient oil-water separation device based on electrostatic spinning nanofiber membrane

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] First, a small amount of water is added to the device of the present invention to infiltrate the device, and 250 mL of diesel oil is mixed with 1000 mL of aqueous solution to make a diesel-water mixture. The device is used for oil-water separation, and the filtering effect is good, and the separation efficiency reaches 99%. The volume is about 1215~1500L·m -2 h -1 .

Embodiment 2

[0035] First, a small amount of water is added to the device of the present invention to infiltrate the device, and 250 mL of vegetable oil (viscous compared with diesel oil) is mixed with 1000 mL of aqueous solution to make a vegetable oil-water mixture. The device is used for oil-water separation, and the filtering effect is good. The separation efficiency is up to 99%, and the water flux is about 1190~1362L m -2 h -1 .

Embodiment 3

[0037] First, add a small amount of water to the device of the present invention to infiltrate the device, mix 25mL of diesel oil with 1000mL of aqueous solution, add 10mL of Tween 80, stir and emulsify at 100r / min to make an oil-in-water emulsion, and use this device for oil-water Separation, good filtration effect, separation efficiency of 99%, water flux of about 730 ~ 981L m -2 h -1 .

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
separationaaaaaaaaaa
Login to View More

Abstract

The invention discloses an efficient oil-water separation device based on an electrostatic spinning nanofiber membrane. The device comprises a pre-filter assembly, the pre-filter assembly is connectedwith an oil-water separation filter element through an S-shaped pipe, the oil-water separation filter element is connected with a water storage apparatus through a pipeline, and the water storage apparatus is connected with a use terminal; the oil-water separation filter element comprises an oil-water separation assembly and a sterilization adsorption assembly which are arranged from top to bottom, the oil-water separation assembly comprises a buffer layer and a separation layer which are arranged from top to bottom, and the separation layer comprises a chemically-modified super-hydrophilic underwater super-oleophobic nanofiber membrane, aerogel, nylon cloth and a stainless steel mesh which are sequentially arranged from top to bottom. The oil-water separation nanofiber membrane in the oil-water separation device is subjected to graft modification treatment, so that a self-cleaning effect is achieved while the service life is prolonged.

Description

technical field [0001] The invention belongs to the technical field of oil-water separation, and relates to a high-efficiency oil-water separation device based on electrospun nanofiber membranes. Background technique [0002] With the frequent occurrence of industrial oily wastewater and oil spills, oil-water separation has become an urgent problem. Traditional treatment methods have disadvantages such as low separation efficiency, high energy consumption, and easy to cause secondary pollution. The development of membrane separation technology enables the separation process to be carried out at room temperature, with low energy consumption, high separation efficiency, and no impurities added. It will cause secondary pollution. [0003] Nanofiber membranes are an important form of separation membranes. Compared with traditional separation membranes, nanofiber membranes have the advantages of large specific surface area, low density, high porosity, good interpore bonding, and...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04
CPCC02F9/00C02F1/00C02F1/44C02F1/40C02F1/283C02F1/50
Inventor 刘呈坤王昱豪孙润军陈美玉毛雪魏亮冯燕
Owner XI'AN POLYTECHNIC UNIVERSITY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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