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Soil restoration conditioner for heavy metal pollution and preparation method thereof

A technology of soil remediation and conditioner, which is applied in the field of soil remediation conditioner and its preparation, which can solve the problems of time-consuming, limited heavy metal adsorption and treatment capacity, trouble, etc., and achieve the functions of reducing absorption, improving soil structure and fertility, and strong adsorption function Effect

Inactive Publication Date: 2016-08-03
GUANGDONG GEOLONG BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The processing process of this invention is through the fermentation of sugar factory filter mud, and the microorganisms after fermentation of the filter mud are used to adsorb heavy metals. This method is not only time-consuming and troublesome, but also has limited adsorption and processing capabilities for heavy metals.

Method used

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  • Soil restoration conditioner for heavy metal pollution and preparation method thereof
  • Soil restoration conditioner for heavy metal pollution and preparation method thereof
  • Soil restoration conditioner for heavy metal pollution and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A kind of preparation method of the soil restoration conditioner that is used for heavy metal pollution, its steps are as follows:

[0037] (1) 50% by weight of beer filter mud is mixed with 10% by weight of calcium oxide to obtain a loose powder;

[0038] (2) Preparation of Bacillus subtilis R31 bacterial agent:

[0039] 1) Fermentation broth preparation: the fermentation formula adopted by the fermenter medium is: cassia seed powder 5-45% by weight, corn flour 20-30% by weight, sodium chloride 1-3% by weight, magnesium sulfate 1-3% by weight %, 2-4% by weight of calcium carbonate, 0.5-3% by weight of potassium dihydrogen phosphate, an appropriate amount of polysiloxane defoamer SXP-101, and the balance is water;

[0040] 2) Preparation of bacterial strain seed solution for inoculation:

[0041] The Bacillus subtilis strain R31 (China Center for Type Culture Collection, CCTCC, NO: M209261) preserved on the slant was activated and cultured, and streaked and inoculated...

Embodiment 2

[0046] A kind of preparation method of the soil restoration conditioner that is used for heavy metal pollution, its steps are as follows:

[0047] (1) 20% by weight of beer filter mud is mixed with 15% by weight of calcium oxide to obtain a loose powder;

[0048] (2) Preparation of Bacillus subtilis R31 bacterial agent:

[0049] 1) Fermentation broth preparation: the fermentation formula adopted by the fermenter medium is: cassia seed powder 5-45% by weight, corn flour 20-30% by weight, sodium chloride 1-3% by weight, magnesium sulfate 1-3% by weight %, 2-4% by weight of calcium carbonate, 0.5-3% by weight of potassium dihydrogen phosphate, an appropriate amount of polysiloxane defoamer SXP-101, and the balance is water;

[0050] 2) Preparation of bacterial strain seed solution for inoculation: activate and culture the Bacillus subtilis strain R31 (China Center for Type Culture Collection, CCTCC, NO: M209261) preserved on the slant, and inoculate it on the beef extract pepton...

Embodiment 3

[0055] A kind of preparation method of the soil restoration conditioner that is used for heavy metal pollution, its steps are as follows:

[0056] (1) 60% by weight of beer filter mud is mixed with 5% by weight of calcium oxide to obtain a loose powder;

[0057] (2) Preparation of Bacillus subtilis R31 bacterial agent:

[0058] 1) Fermentation broth preparation: the fermentation formula adopted by the fermenter medium is: cassia seed powder 5-45% by weight, corn flour 20-30% by weight, sodium chloride 1-3% by weight, magnesium sulfate 1-3% by weight %, 2-4% by weight of calcium carbonate, 0.5-3% by weight of potassium dihydrogen phosphate, an appropriate amount of polysiloxane defoamer SXP-101, and the balance is water;

[0059] 2) Preparation of bacterial strain seed solution for inoculation: activate and culture the Bacillus subtilis strain R31 (China Center for Type Culture Collection, CCTCC, NO: M209261) preserved on the slant, and inoculate it on the beef extract peptone...

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Abstract

The invention belongs to the technical field of soil improvement and discloses a soil restoration conditioner for heavy metal pollution and a preparation method thereof. The soil restoration conditioner is prepared from, by weight, 20-60% of beer filtered mud, 5-15% of calcium oxide, 5-20% of organic nutrients, 10-30% of soot, and 5-20% of bacillus subtillis R31fungicide. The soil restoration conditioner and the preparation method thereof are simple in technology and low in cost, and the soil restoration conditioner has the functions of adsorbing heavy metal, passivating heavy metal, increasing organic matters and providing organic nutrition.

Description

technical field [0001] The invention relates to a soil restoration conditioner and a preparation method thereof, in particular to a soil restoration conditioner for heavy metal pollution and a preparation method thereof, belonging to the technical field of soil improvement. Background technique [0002] With the continuous acceleration of the industrialization process, the irrational mining of mineral resources and their smelting discharge, long-term sewage irrigation and sludge application to the soil, atmospheric deposition caused by human production activities, and the application of chemical fertilizers and pesticides have caused serious soil pollution. . According to incomplete surveys, there are about 150 million mu of polluted cultivated land nationwide, 32.5 million mu of cultivated land polluted by sewage irrigation, and 2 million mu of land occupied by solid waste stockpiles and destroyed fields, accounting for more than 1 / 10 of the total cultivated land. Most of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/80
CPCC05C11/00C05G3/80C05D3/02C05D9/00C05F5/008C05F11/00C05F11/02C05F11/08
Inventor 温书恒王勇武展吴文丹李晓蕾赵基荃
Owner GUANGDONG GEOLONG BIOTECH
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