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Soil remediation method for landscape ecological environmental protection

A technology of soil remediation and soil remediation agent, applied in the restoration of polluted soil, etc., can solve the problems of inability to achieve high-efficiency, low-cost soil remediation effect, small area and scope, and huge workload, so as to benefit organic matter and Nutrient content, low labor intensity, and simple process steps

Inactive Publication Date: 2020-08-25
JIANGSU PROVINCIAL ACAD OF ENVIRONMENTAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is a huge amount of work, and the area and scope of application are relatively small, and it is still impossible to truly achieve efficient and low-cost soil remediation effects

Method used

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  • Soil remediation method for landscape ecological environmental protection
  • Soil remediation method for landscape ecological environmental protection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] A soil restoration method for landscape ecology and environmental protection, comprising the steps of:

[0065] (1) Preparation of soil remediation agent:

[0066] 1) Pretreatment of crop straw:

[0067] After firstly removing the sludge impurities on the surface of the crop stalks, it is then cut into sections for later use; the crop stalks are corn stalks;

[0068] 2) Steam explosion treatment:

[0069] Put the crop stalks cut into sections in step 1) into the steam explosion box for steam explosion treatment. Specifically, high-temperature water vapor with a temperature of 102°C is introduced into the steam explosion box first, and the air pressure in the steam explosion box is controlled at the same time. MPa, heat preservation and pressure treatment for 200s, then quickly unload the steam explosion chamber to normal temperature and pressure within 25s, and take it out for later use;

[0070] 3) Modification treatment:

[0071] Immerse the crop stalks treated in...

Embodiment 2

[0083] A soil restoration method for landscape ecology and environmental protection, comprising the steps of:

[0084] (1) Preparation of soil remediation agent:

[0085] 1) Pretreatment of crop straw:

[0086] First remove the sludge impurities on the surface of the crop straws, and then cut them into sections for later use; the crop straws are soybean straws and sorghum straws;

[0087] 2) Steam explosion treatment:

[0088] Put the crop stalks cut into sections in step 1) into the steam explosion box for steam explosion treatment. Specifically, first introduce high-temperature water vapor with a temperature of 104°C into the steam explosion box, and simultaneously control the air pressure in the steam explosion box to 2.8 MPa, heat preservation and pressure treatment for 220s, then quickly unload the steam explosion chamber to normal temperature and pressure within 25s, and take it out for use after completion;

[0089] 3) Modification treatment:

[0090] Immerse the cr...

Embodiment 3

[0102] A soil restoration method for landscape ecology and environmental protection, comprising the steps of:

[0103] (1) Preparation of soil remediation agent:

[0104] 1) Pretreatment of crop straw:

[0105] First remove the sludge impurities on the surface of the crop straws, and then cut them into sections for later use; the crop straws are wheat straw and rice straw;

[0106] 2) Steam explosion treatment:

[0107] Put the crop stalks cut into sections in step 1) into the steam explosion box for steam explosion treatment. Specifically, first introduce high-temperature water vapor with a temperature of 106°C into the steam explosion box, and simultaneously control the air pressure in the steam explosion box to 3.0 MPa, heat preservation and pressure treatment for 240s, then quickly unload the steam explosion chamber to normal temperature and pressure within 25s, and take it out for use after completion;

[0108] 3) Modification treatment:

[0109] Immerse the crop stal...

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Abstract

The invention discloses a soil remediation method for landscape ecological environmental protection and belongs to the technical field of soil remediation. The method comprises the following steps of:(1) preparing a soil remediation agent; (2) broadcasting the soil remediation agent and plowing soil; and (3) watering. The method disclosed by the invention is simple in process step, beneficial topopularization and application, low in labor intensity and application cost, safe and environment-friendly, and capable of effectively and fully repairing and improving the soil and promoting the recovery and enhancement of soil quality.

Description

technical field [0001] The invention belongs to the technical field of soil restoration, and in particular relates to a soil restoration method for landscape ecology and environmental protection. Background technique [0002] Soil is the natural environment on which human beings depend and an important resource for agricultural survival. The food, resource and environmental problems faced by the world are closely related to soil. With the continuous acceleration of my country's industrialization, agricultural training intensification and urbanization, the area of ​​polluted soil continues to expand, and the problem of soil pollution is becoming more and more serious. [0003] Soil remediation refers to the use of physical, chemical and biological methods to transfer, absorb, degrade and transform pollutants in the soil, reducing its concentration to an acceptable level, or converting toxic and harmful pollutants into harmless substances. [0004] Green plants are the main c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/00B09C1/10
CPCB09C1/00B09C1/10B09C2101/00
Inventor 杨国栋
Owner JIANGSU PROVINCIAL ACAD OF ENVIRONMENTAL SCI
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