Preparation method of biological fertilizer with function of soil remediation

A technology for biological fertilizers and soil remediation, which can be used in organic fertilizers, urea compound fertilizers, fertilizer mixtures, etc., and can solve unrealistic problems.

Inactive Publication Date: 2018-04-27
昆山合纵生态科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, many experts said that although the cake is big, it cannot be blindly optimistic. Due to multiple barriers such as te...

Method used

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  • Preparation method of biological fertilizer with function of soil remediation
  • Preparation method of biological fertilizer with function of soil remediation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A preparation method of biological fertilizer with soil restoration function, comprising the following steps:

[0033] A, nitrogen-fixing bacteria, jelly-like bacillus and Rhizopus niger are used as strains, cultivated on inclined planes and shake flasks, and then fermented in liquid fermenters after entering seed tanks to obtain liquid bacterial samples;

[0034] B. The liquid bacterial sample is made into a powdered microbial agent by freeze-drying;

[0035] C. Grinding the powdered bacterial agent to obtain a powdered bacterial agent of 10-50 microns, which is a composite bacterial agent;

[0036] D. After mixing the compound bacterial agent with the straw, add water to compost and decompose;

[0037] E. After the compost is decomposed, it is sterilized by ultraviolet rays to obtain decomposed clinker;

[0038] F. Stir the decomposed clinker and the rest of the raw materials evenly;

[0039] G. Drying and granulation.

[0040] In the step D, the time for the comp...

Embodiment 2

[0051] A preparation method of biological fertilizer with soil restoration function, comprising the following steps:

[0052] A, nitrogen-fixing bacteria, jelly-like bacillus and Rhizopus niger are used as strains, cultivated on inclined planes and shake flasks, and then fermented in liquid fermenters after entering seed tanks to obtain liquid bacterial samples;

[0053] B. The liquid bacterial sample is made into a powdered microbial agent by freeze-drying;

[0054] C. Grinding the powdered bacterial agent to obtain a powdered bacterial agent of 10-50 microns, which is a composite bacterial agent;

[0055] D. After mixing the compound bacterial agent with the straw, add water to compost and decompose;

[0056] E. After the compost is decomposed, it is sterilized by ultraviolet rays to obtain decomposed clinker;

[0057] F. Stir the decomposed clinker and the rest of the raw materials evenly;

[0058] G. Drying and granulation.

[0059] In the described step D, the time fo...

Embodiment 3

[0070] A preparation method of biological fertilizer with soil restoration function, comprising the following steps:

[0071] A, nitrogen-fixing bacteria, jelly-like bacillus and Rhizopus niger are used as strains, cultivated on inclined planes and shake flasks, and then fermented in liquid fermenters after entering seed tanks to obtain liquid bacterial samples;

[0072] B. The liquid bacterial sample is made into a powdered microbial agent by freeze-drying;

[0073] C. Grinding the powdered bacterial agent to obtain a powdered bacterial agent of 10-50 microns, which is a composite bacterial agent;

[0074] D. After mixing the compound bacterial agent with the straw, add water to compost and decompose;

[0075] E. After the compost is decomposed, it is sterilized by ultraviolet rays to obtain decomposed clinker;

[0076] F. Stir the decomposed clinker and the rest of the raw materials evenly;

[0077] G. Drying and granulation.

[0078] In the described step D, the time fo...

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PUM

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Abstract

The invention discloses a preparation method of a biological fertilizer with a function of soil remediation. With nitrogen-fixing bacteria, bacillus mucilaginosus and rhizopus nigricans as compound bacteria, and iron element modified hydrotalcite as a template, the biological fertilizer can effectively immobilize a variety of heavy metal elements in soil and especially has extremely good immobilization effect on cadmium, chromium and mercury elements, so heavy metal elements in the soil can no longer enter plant bodies and water bodies, and the function of soil remediation can be effectively achieved.

Description

technical field [0001] The invention relates to the technical field of biological fertilizers, in particular to a preparation method of biological fertilizers with soil repair function. Background technique [0002] Heavy metal pollution refers to environmental pollution caused by heavy metals or their compounds. It is mainly caused by human factors such as mining, exhaust gas discharge, sewage irrigation and the use of products with heavy metals exceeding the standard. [0003] Due to human activities, the content of heavy metals in the environment increases, which exceeds the normal range, directly endangers human health, and leads to the deterioration of environmental quality. [0004] Soil remediation is a technical measure to restore the normal function of polluted soil. In the soil remediation industry, there are more than one hundred existing soil remediation technologies, and there are more than ten commonly used technologies, which can be roughly divided into thre...

Claims

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Application Information

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IPC IPC(8): C05G3/04C05G3/80
CPCC05B7/00C05G3/80C05G5/12C05C9/00C05D9/02C05F11/00C05F11/02C05F11/08
Inventor 俞高强
Owner 昆山合纵生态科技有限公司
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