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Soil bioremediation agent and soil remediation method based on soil bioremediation agent

A technology of soil biology and soil remediation, applied in the field of contaminated soil remediation, can solve problems such as soil pollution, avoid soil compaction, improve the effect of soil remediation, and solve the effect of soil pollution

Inactive Publication Date: 2020-04-28
广东中苗景观有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a kind of soil bioremediation agent, solve the problem of soil pollution

Method used

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  • Soil bioremediation agent and soil remediation method based on soil bioremediation agent
  • Soil bioremediation agent and soil remediation method based on soil bioremediation agent

Examples

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Effect test

Embodiment 1

[0032] Example 1: This example provides a soil bioremediation agent, which is based on parts by mass and is made of the following components: 40 parts of nanophosphate, 20 parts of modified silicon-containing minerals, 20 parts of solid industrial waste, 2 parts Parts of pH regulator, 1 part of composite microbial inoculum, 5 parts of activated carbon powder, 6 parts of biomass charcoal, 5 parts of sodium humate and 2 parts of chitosan fiber;

[0033] The nano phosphate is made by mixing 8 parts of nano hydroxyapatite powder, 8 parts of nano zirconium phosphate, 8 parts of mesoporous zinc phosphate, 8 parts of potassium pyrophosphate and 8 parts of hydroxyapatite composite material. In this embodiment Wherein, the hydroxyapatite is a mixture of hydroxyapatite particles and a composite of nano-montmorillonite and nano-zeolite, wherein the composite of hydroxyapatite particles and nano-montmorillonite, and hydroxyapatite and nano-zeolite The mass ratio of the complex is 1:1.

[0034...

Embodiment 2

[0038] Embodiment 2: This embodiment provides a soil bioremediation agent, which is based on parts by mass and is made of the following components: 36 parts of nano-phosphate, 18 parts of modified silicon-containing minerals, 25 parts of solid industrial waste, 2.5 parts Parts of pH regulator, 1.5 parts of compound microbial inoculum, 6 parts of activated carbon powder, 7 parts of biomass charcoal, 6 parts of sodium humate and 4.2 parts of chitosan fiber;

[0039] The nano phosphate is made by mixing 9 parts of nano hydroxyapatite powder, 9 parts of nano zirconium phosphate, 9 parts of mesoporous zinc phosphate, and 9 parts of potassium pyrophosphate;

[0040] The modified silicon-containing mineral is made by mixing 10 parts of modified potassium feldspar powder, 4 parts of modified albite powder, and 4 parts of modified anorthite powder;

[0041] The solid industrial waste is a mixture of 11 parts of blast furnace slag, 5 parts of fly ash, 5 parts of waste gypsum, and 4 parts of sa...

Embodiment 3

[0044] Embodiment 3: This embodiment provides a soil bioremediation agent, which is based on parts by mass and is made of the following components: 32 parts of nanophosphate, 15 parts of modified silicon-containing minerals, 30 parts of solid industrial waste, 4 parts Parts of pH regulator, 2 parts of composite microbial inoculum, 8 parts of activated carbon powder, 9 parts of biomass charcoal, 10 parts of sodium humate and 5 parts of chitosan fiber;

[0045] The nano phosphate is made by mixing 12 parts of nano hydroxyapatite powder, 4 parts of nano zirconium phosphate, 3 parts of mesoporous zinc phosphate, 1 part of potassium pyrophosphate and 12 parts of hydroxyapatite composite material;

[0046] The modified silicon-containing mineral is made by mixing 12 parts of modified potassium feldspar powder, 1 part of modified anorthite powder and 2 parts of modified silica;

[0047] The solid industrial waste is a mixture of 15 parts blast furnace slag, 1 part fly ash, 8 parts waste gyp...

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Abstract

The invention discloses a soil bioremediation agent and a soil remediation method based on the soil bioremediation agent. The soil remediation method based on the soil bioremediation agent mainly comprises the following steps: S1, soil turning: turning and airing contaminated soil to be remediated; S2, secondary soil turning: performing secondary soil turning and airing on the soil subjected to the step 1; S3, pesticide spraying: spraying a layer of soil bioremediation agent on the surface of the soil subjected to the step S2, standing for at least 3 hours, turning over the soil for at least one time, spraying a layer of soil bioremediation agent again, and then standing for 2-5 days; and S4, water spraying: spraying water to the surface of the soil obtained in the step S3, then ventilating and drying the soil obtained after water spraying is conducted and then completing remediation of the soil. Heavy metal ions such as lead, chromium, cadmium and cobalt in the soil are adsorbed or complexed through the nano phosphate so that the content of the heavy metal ions in the soil is reduced; and organic pollutants are adsorbed through activated carbon powder and chitosan, and the problemof soil pollution is solved.

Description

【Technical Field】 [0001] The invention relates to the technical field of contaminated soil remediation, in particular to a soil bioremediation agent and a soil remediation method based thereon. 【Background technique】 [0002] Soil pollution refers to the phenomenon that harmful and toxic substances entering the soil exceed the self-purification capacity of the soil, leading to changes in the physical, chemical and biological properties of the soil. Soil pollution will reduce the yield and quality of crops and endanger human health. Soil pollution causes changes in soil biological populations, directly affecting the structure and function of the soil ecosystem, leading to degradation of production capacity, and the food chain of "soil-plant-animal-human body" ultimately poses a threat to ecological security and human life and health. Because of its slowness and concealment, it is called "invisible pollution". [0003] Soil pollutants can be roughly divided into two categories: inor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40A01N63/22A01N63/23A01P3/00A01P1/00A01B79/02B09C1/08B09C1/00C09K101/00C09K109/00
CPCA01B79/02B09C1/00B09C1/08C09K17/40C09K2101/00C09K2109/00
Inventor 刘卓丕
Owner 广东中苗景观有限公司
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