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A low-pollution membrane separation device based on low-temperature plasma technology

A low-temperature plasma and plasma technology, which is applied in the field of water treatment, can solve the problems of complex process and high cost, and achieve the effects of improving stain resistance, enhancing hydrophilicity and reducing speed.

Inactive Publication Date: 2018-02-27
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Studies have shown that the above measures can effectively slow down the membrane fouling of membrane bioreactors, but most of the measures still have the disadvantages of complicated process and high cost.

Method used

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  • A low-pollution membrane separation device based on low-temperature plasma technology
  • A low-pollution membrane separation device based on low-temperature plasma technology
  • A low-pollution membrane separation device based on low-temperature plasma technology

Examples

Experimental program
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Effect test

Embodiment 1

[0042] A low-pollution membrane separation device based on low-temperature plasma technology, such as figure 1 and figure 2 As shown, the device includes a plasma-modified curtain membrane module 3 , biochar pellets 4 , a stainless steel mesh skeleton 2 and a plasma-modified non-woven fabric cover 1 . The plasma-modified curtain membrane assembly 3 is arranged inside the stainless steel wire mesh skeleton 2; the biochar pellets 4 are dispersed inside the stainless steel wire mesh skeleton 2; the plasma-modified non-woven fabric cover 1 Covered on the outside of the stainless steel wire mesh skeleton 2, and the plasma modified non-woven fabric outer cover 1 and the stainless steel wire mesh skeleton 2 are in close contact;

[0043]The plasma-modified curtain membrane module 3 is made by modifying the traditional curtain membrane module used in the integrated membrane bioreactor through low-temperature plasma, and the material of the membrane module is polyethylene.

[0044] ...

Embodiment 2

[0066] A low-pollution membrane separation device based on low-temperature plasma technology, the membrane separation device includes a plasma modified curtain

[0067] Type membrane module 3, biochar pellets 4, stainless steel wire mesh skeleton 2 and plasma modified non-woven fabric cover 1;

[0068] Wherein, the plasma modified curtain membrane assembly 3 is arranged inside the stainless steel wire mesh skeleton 2; the biochar pellets 4 are dispersed inside the stainless steel wire mesh skeleton 2; the plasma modified non-woven fabric The outer cover 1 is covered on the outside of the stainless steel wire mesh skeleton 2, and the plasma modified non-woven fabric outer cover 1 and the stainless steel wire mesh skeleton 2 are in close contact;

[0069] The plasma-modified curtain-type membrane module is made by modifying the traditional curtain-type membrane module used in the integrated membrane bioreactor through low-temperature plasma, and the material of the membrane modu...

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Abstract

The invention provides a low-pollution membrane separation device based on low-temperature plasma technology. The device comprises a plasma-modified curtain membrane module, a biochar pellet, a stainless steel wire mesh skeleton and a plasma-modified non-woven cover; The body-modified curtain membrane module and the biochar pellets are arranged inside the stainless steel wire mesh frame, and the plasma-modified non-woven fabric cover is covered outside the stainless steel wire mesh frame; the plasma-modified curtain membrane module and the plasma modified The non-woven cover is modified by low-temperature plasma technology; this low-pollution membrane separation device is based on low-temperature plasma technology to modify the surface of the curtain membrane module and the surface of the non-woven cover to introduce a large number of hydroxyl, carbonyl and other hydrophilic The water-based polar group enhances the hydrophilicity of the membrane surface and the surface of the non-woven cover, and improves the anti-fouling performance; on the traditional basis, stainless steel wire mesh skeleton, plasma-modified non-woven cover and biochar are added. Small ball, the production cost is low, and the membrane fouling is effectively slowed down.

Description

technical field [0001] The invention relates to a low-pollution membrane separation device based on low-temperature plasma technology, which is suitable for membrane bioreactors and belongs to the technical field of water treatment. Background technique [0002] Membrane bioreactor is a high-efficiency sewage treatment technology that combines biological treatment process and membrane separation technology. It is a hot treatment process for reclaimed water reuse. Good and stable effluent quality; solid-liquid separation can be carried out efficiently, the concentration of suspended solids in effluent is low, and it can be reused directly to realize the recycling of sewage; at the same time, it also has the advantages of low residual sludge and small footprint. In the context of increasingly stringent sewage discharge standards and increasingly prominent water resource shortages, membrane bioreactors will become one of the important technical approaches for sewage treatment a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
Inventor 赵如金于博龚丽影王勇王韦胜朱凡
Owner JIANGSU UNIV