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Method for stabilizing heavy metal pollutants in soil by using macromolecule modification polymers

A technology of heavy metals and polymers, applied in the field of soil remediation, can solve the problems of high dissolution rate, hazards, difficult to repair the environment, etc., and achieve the effect of no secondary pollution, convenient operation and thorough treatment

Inactive Publication Date: 2014-04-23
JIANGSU GAIYA ENVIRONMENTAL SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Heavy metals have caused many irreversible pollutions to the environment because they cannot be eliminated or eradicated.
Once a large amount enters the soil and groundwater, it will cause environmental damage that is difficult to repair
[0003] The traditional method is to use cement, lime and other building materials for filling and stabilization, but because of its general stabilization effect, high dissolution rate, and certain pollution, it has not been widely used

Method used

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Examples

Experimental program
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Embodiment Construction

[0013] The present invention will be described in detail below in conjunction with examples.

[0014] A method for stabilizing heavy metal pollutants in soil by using a polymer modified polymer, comprising the following steps:

[0015] Step 1) Proportionally mixing titanate coupling agent, 1-butanol zirconate, polyethylene terephthalate, polyvinyl alcohol and water;

[0016] Step 2) Inject the above mixture into the soil polluted by heavy metals and let it stand for 2 days;

[0017] Step 3) Check whether the mixture injection area has condensed, if so, the stabilization is completed.

[0018] Further, in step 1, the mass ratio of titanate coupling agent: 1 n-butanol zirconate: polyethylene terephthalate: polyvinyl alcohol: water is 1:1:6:10:100.

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Abstract

The invention discloses a method for stabilizing heavy metal pollutants in soil by using macromolecule modification polymers. The method comprises the following steps: matching and mixing following raw materials according to a weight ratio, wherein the weight ratio of a titanate coupling agent to 1-n-butyl alcohol zirconate to polyethylene terephthalate (PET) to polyvinyl alcohol (PVA) to water is 1:1:6:10:100; injecting the obtained mixture into the soil polluted with the heavy metals and standing for 2 days; detecting whether a mixture injection area is condensed; and if so, finishing a stabilizing process. According to the technical scheme disclosed by the invention, the method has the advantages of simple design, convenience in operation, no need of complex treatment equipment, low cost, complete treatment and no secondary pollution.

Description

technical field [0001] The invention relates to the technical field of soil remediation, in particular to a method for stabilizing heavy metal pollutants in soil by using high molecular modified polymers. Background technique [0002] Heavy metals have caused many irreversible pollutions to the environment because they cannot be eliminated or eradicated. Once it enters the soil and groundwater in large quantities, it will cause environmental damage that is difficult to repair. [0003] The traditional method is to use cement, lime and other building materials for filling and stabilization, but because of its general stabilization effect, high dissolution rate, and certain pollution, it has not been widely used. In recent years, finding effective heavy metal stabilizers has become an important research direction in the environmental remediation industry. Contents of the invention [0004] The purpose of the present invention is to provide a method for stabilizing heavy me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/00
Inventor 温涛程功弼
Owner JIANGSU GAIYA ENVIRONMENTAL SCI & TECH CO LTD
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