Treatment method for micro-plastic pollution in water body

A treatment method and technology of microplastics, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problems of not having too many treatment countermeasures, difficult collection and treatment, etc., to achieve Good application prospects and the effect of reducing the content of microplastics

Inactive Publication Date: 2013-09-18
SHANGHAI QIBAO HIGH SCHOOL
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

For microplastics, because their diameter is too small, it is difficult to collect and process them. Therefore, although the pollution of microplastics has been a common concern of developed countries in recent years, there are not many effective countermeasures

Method used

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Embodiment Construction

[0019] The present invention is described in further detail below, so that the understanding of those skilled in the art:

[0020] In this embodiment, a treatment method for water body microplastic pollution is provided, which mainly includes the following steps:

[0021] a. Treat water bodies carrying microplastics by electrocoagulation;

[0022] B, adopt stainless steel mesh filter to filter the product of step a;

[0023] c. Cover the film made of porous material on the surface of the water body produced in step b, and apply a voltage of 5kV-20kV on the upper surface of the film for 1-5 minutes.

[0024] In the above steps, charge is first injected into the water body to cause the microplastics to aggregate and settle, and then a stainless steel mesh is used to filter the aggregated microplastics, and finally the porous material is used to absorb the remaining microplastics, so that the content of microplastics in the water body is greatly reduced.

[0025] In step a, the...

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Abstract

The invention relates to a treatment method for micro-plastic pollution in a water body. The method is characterized by comprising the following steps: treating the water body carrying micro-plastic by an electric flocculation method; filtering the product in the step a by a stainless steel filter; and coating the film prepared from a porous material on the surface of the water body generated in the step b, and applying 5-20kV voltage to the upper surface of the film for 1-5 minutes. Compared with the prior art, the method provided by the invention has the beneficial effects that in the method, charges are injected to the water body firstly to sedimentate micro-plastic, then, conglobated micro-plastic is filtered by the stainless steel screen, and absorbing residual micro-plastic is absorbed by the porous material finally, wherein the content of micro-plastic in the water body is greatly reduced. The method is economic and practical, and has good application prospect in treatment of environmental water.

Description

technical field [0001] The invention relates to the technical field of water body purification treatment, in particular to a treatment method for water body microplastic pollution. Background technique [0002] All the plastics that have been produced since plastics began on Earth are still present on the planet, and the amount of tiny plastic particles in the oceans has tripled since 1960. Unlike other types of waste, plastic does not biodegrade. However, plastic particles will be photodegraded (photolysis refers to the chemical process of converting a sample (mainly referring to high-molecular compounds) into several other substances (mainly referring to low-molecular compounds) only by light energy). When we discuss threats to marine life, most of the focus is on the large pieces of plastic waste that we can see, but another danger to marine ecosystems is smaller plastic particles. This millimeter-scale and micron-scale plastic fragments are called microplastics. Micro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/06
Inventor 刘权锋方舟
Owner SHANGHAI QIBAO HIGH SCHOOL
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