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Garbage soil improvement agent and preparation method of improvement agent and improving method of garbage soil

A technology of soil improver and improver, which is applied in the field of improver and preparation of garbage soil, which can solve the problems of large proportion of chemical additives, high cost of improver, and unsatisfactory effect, so as to promote growth and improve physiological stress resistance Sexuality, the effect of increasing the degree of membrane lipid peroxidation

Inactive Publication Date: 2013-08-07
GUANGZHOU CITY POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the actual application of soil improvers, such as lime, generally uses too large a proportion of chemical additives, and the effect of each component is not ideal. Some improvers are too expensive to be widely used

Method used

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  • Garbage soil improvement agent and preparation method of improvement agent and improving method of garbage soil
  • Garbage soil improvement agent and preparation method of improvement agent and improving method of garbage soil
  • Garbage soil improvement agent and preparation method of improvement agent and improving method of garbage soil

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The improver of embodiment 1 garbage soil

[0028] It is composed of the following components by weight:

[0029] 1 part biochar

[0030] Hydroxyapatite 5 parts

[0031] 10 parts of earthworm soil.

[0032] The preparation method of the soil conditioner of the present embodiment comprises steps:

[0033] (1) Pass hydroxyapatite through a 60-mesh sieve; crush the biochar into particles with an average diameter of ≤2 cm;

[0034] (2) Mix hydroxyapatite with biomass charcoal, stir evenly, then mix with vermicompost, stir thoroughly, mix evenly, and the product is obtained.

[0035] When in use, add 5% (mass percentage) to the garbage soil, and after 35 days of treatment, the soil can be improved.

Embodiment 2

[0036] The improver of embodiment 2 garbage soil

[0037] It is composed of the following components by weight:

[0038] Biochar 10 parts

[0039] 1 part hydroxyapatite

[0040] 30 parts of earthworm soil.

[0041] The preparation method of the garbage soil conditioner in this embodiment is identical with embodiment 1.

[0042] When in use, add 8% (mass percentage) to the garbage soil, and after 28 days of treatment, the soil can be improved.

Embodiment 3

[0043] The improver of embodiment 3 garbage soil

[0044] It is composed of the following components by weight:

[0045] Biochar 5 parts

[0046] 3 parts hydroxyapatite

[0047] 20 parts of earthworm soil.

[0048] The preparation method of the garbage soil conditioner in this embodiment is identical with embodiment 1.

[0049] When in use, add 10% (mass percentage) to the garbage soil, and after 25 days of treatment, the soil can be improved.

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PUM

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Abstract

The invention discloses a garbage soil improvement agent and an improving method of garbage soil. The improvement agent is a mixture of biomass charcoal, hydroxyapatite and earthworm soil in mass ratio of 1-10:1-5:10-30. When used for improving the garbage soil, the soil improvement agent provided by the invention can remarkably relieve damage of garbage soil to green plants and grass-blade plasmalemma in the lawn, improve the physiological stress resistance of plant and remarkably promote growth of plants. Moreover, by application of the garbage soil improvement agent, the physical structure and chemical properties of soil in refuse landfills can be improved, and the biological environment of the refuse landfills is protected and further a novel path is provided for controlling pollution of the refuse landfills. The improvement agent has good economic, biologic and social benefits.

Description

technical field [0001] The invention belongs to the field of soil improvement, and more specifically, the invention relates to a garbage soil improver and a preparation method thereof and a garbage soil improvement method. Background technique [0002] At present, heavy metal and organic pollution in urban landfills in my country is serious. Due to the relative stability and refractory nature of heavy metals and polycyclic aromatic hydrocarbons (PAHs) in the environment, it is difficult to remove them from the environment, making heavy metal pollution control very difficult. The traditional treatment method is expensive, needs to disturb the soil structure, and can only control small areas of pollution. [0003] At present, chemical fixation is the main way to remediate soil pollution. By adding soil conditioners, the physical and chemical properties of the soil can be changed, and the presence of heavy metals in the soil can be changed through the adsorption, precipitatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40B09C1/08
Inventor 聂磊
Owner GUANGZHOU CITY POLYTECHNIC
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