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soil remediation method

A technology of soil remediation and soil remediation agent, applied in the restoration of polluted soil, etc., can solve the problems of destroying the ecological environment and environmental quality, affecting health, serious heavy metal pollution, etc., to eliminate heavy metals and other substances, reduce equipment investment, The effect of reducing engineering cost

Active Publication Date: 2019-06-07
SHANGHAI ENERGY CONSERVATION OF ENVIRONMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And due to the rapid development of industry, not only more and more garbage remains in the soil, but also the pollution of heavy metals is becoming more and more serious, which seriously damages the ecological environment and environmental quality, and even many heavy metals are brought into the human body through food. affect people's health

Method used

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Effect test

Embodiment 1

[0021] A soil remediation method, comprising the following steps: (1) soil filtration: use excavation equipment to loosen the soil containing garbage, and directly carry out preliminary filtration to the soil by the excavation equipment, remove the garbage in the soil, and complete the preliminary filtration of the soil (2) Soil disinfection: add soil disinfectant to the soil after step (1) treatment, and stir soil and soil disinfectant by digging equipment, and filter the soil for the second time in the process of stirring, After the stirring is completed, let stand for reaction for 24 hours; the input amount of the soil disinfectant is 2.5 kg per mu; specifically, the soil disinfectant is composed of the following weight components: 10 parts of phosphate, 10 parts of plant ash, vermicompost 8 parts, 5 parts of dimethyl disulfide, 5 parts of sulfamethamine.

[0022] (3) Soil remediation: add soil remediation agent to the soil treated in step (1), and stir the soil and soil re...

Embodiment 2

[0033] A soil remediation method, comprising the following steps: (1) soil filtration: use excavation equipment to loosen the soil containing garbage, and directly carry out preliminary filtration to the soil by the excavation equipment, remove the garbage in the soil, and complete the preliminary filtration of the soil (2) Soil disinfection: add soil disinfectant to the soil after step (1) treatment, and stir soil and soil disinfectant by digging equipment, and filter the soil for the second time in the process of stirring, After the stirring is completed, let it stand for 72 hours; the input amount of the soil disinfectant is 3.5 kg per mu; specifically, the soil disinfectant is composed of the following weight components: 20 parts of phosphate, 15 parts of plant ash, vermicompost 10 parts, 8 parts of dimethyl disulfide, 8 parts of sulfamethamine.

[0034] (3) Soil remediation: add soil remediation agent to the soil treated in step (1), and stir the soil and soil remediation...

Embodiment 3

[0037] A soil remediation method, comprising the following steps: (1) soil filtration: use excavation equipment to loosen the soil containing garbage, and directly carry out preliminary filtration to the soil by the excavation equipment, remove the garbage in the soil, and complete the preliminary filtration of the soil (2) Soil disinfection: add soil disinfectant to the soil after step (1) treatment, and stir soil and soil disinfectant by digging equipment, and filter the soil for the second time in the process of stirring, After the stirring is completed, let it stand for reaction for 48 hours; the input amount of the soil disinfectant is 3.5kg per mu; specifically, the soil disinfectant is composed of the following components by weight: 15 parts of phosphate, 10 parts of plant ash, vermicompost 8 parts, 8 parts of dimethyl disulfide, 5 parts of sulfamethamine.

[0038] (3) Soil remediation: add soil remediation agent to the soil treated in step (1), and stir the soil and so...

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Abstract

The invention discloses a soil remediation method which comprises the following steps of 1), soil filtration. In the step 1), soil containing garbage is loosen by an excavator, the soil is primarily filtered by the aid of a filter screen, and after filtration is completed, the excavator is used for leveling the soil again. The soil to be restored is primarily filtered, so that most of solid matters can be filtered out, especially metal and plastic products which cannot be naturally decomposed, and thus the soil can be kept clean. The soil is recovered by various plants, so that the elements inthe soil can be effectively absorbed by the plants, and excessive sulfur and phosphorus elements in the plants can be reduced. Meanwhile, grass has strong vitality, quickly grows, and can be converted into nutrient substances after death.

Description

technical field [0001] The invention belongs to the technical field of soil restoration, and in particular relates to a soil restoration method. Background technique [0002] Soil remediation is a technical measure to restore the normal function of polluted soil. According to the "National Soil Pollution Survey Bulletin" released in 2014, the overall soil environment in China is not optimistic, and the national soil pollution rate has reached 16.1%. While the soil environment problems of industrial and mining wasteland are prominent, the soil environment quality of cultivated land is even more worrying. And due to the rapid development of industry, not only more and more garbage remains in the soil, but also the pollution of heavy metals is becoming more and more serious, which seriously damages the ecological environment and environmental quality, and even many heavy metals are brought into the human body through food. affect people's health. Therefore, the restoration of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09C1/08B09C1/00
CPCB09C1/00B09C1/08B09C1/10B09C1/105
Inventor 汪箭
Owner SHANGHAI ENERGY CONSERVATION OF ENVIRONMENT
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