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Heavy metal passivation bacterial agent and preparation method thereof

A technology of heavy metal and bacterial agent, applied in the field of heavy metal bacteria agent and its preparation, can solve the problem of inability to passivate heavy metals in soil, and achieve the effects of reduced passivation ability and passivation effect, high survival rate and cost saving

Active Publication Date: 2018-06-29
WUHAN RUIZE SOURCE BIOLOGICAL ENVIRONMENTAL PROTECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of microbial agents to improve soil structure has been proven to be an effective method, but such agents generally cannot passivate heavy metals in the soil

Method used

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  • Heavy metal passivation bacterial agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0027] A heavy metal inactivating bacterial agent, comprising the following raw materials in parts by weight:

[0028] 55 parts of active ingredients and 45 parts of excipients;

[0029] The active ingredient includes Pseudomonas putida, yeast, and Bacillus subtilis, wherein the weight ratio of the Pseudomonas putida, the yeast and the Bacillus subtilis is 1:1:3;

[0030] Described auxiliary material comprises bran, brown sugar, potassium dihydrogen phosphate, calcium carbonate powder and chaff powder, wherein, described bran, described brown sugar, described potassium dihydrogen phosphate, described calcium carbonate powder and described chaff The weight ratio of powder is 40:9:1:60:60.

[0031] A preparation method of a heavy metal inactivating bacterial agent, comprising:

[0032] Get bran, brown sugar, potassium dihydrogen phosphate, calcium carbonate powder and rice husk powder according to the above weight ratio, then add Pseudomonas putida, saccharomyces, and Bacillus...

example 2

[0034] A heavy metal inactivating bacterial agent, comprising the following raw materials in parts by weight:

[0035] 50 parts of active ingredients and 50 parts of excipients;

[0036] The active ingredient includes Pseudomonas putida, yeast, and Bacillus subtilis, wherein the weight ratio of the Pseudomonas putida, the yeast and the Bacillus subtilis is 1:0.8:2.5;

[0037] Described auxiliary material comprises bran, brown sugar, potassium dihydrogen phosphate, calcium carbonate powder and chaff powder, wherein, described bran, described brown sugar, described potassium dihydrogen phosphate, described calcium carbonate powder and described chaff The weight ratio of powder is 35:8:1:55:55.

[0038] A preparation method of a heavy metal inactivating bacterial agent, comprising:

[0039] Get bran, brown sugar, potassium dihydrogen phosphate, calcium carbonate powder and rice husk powder according to the above weight ratio, then add Pseudomonas putida, saccharomyces, and Baci...

example 3

[0041] A heavy metal inactivating bacterial agent, comprising the following raw materials in parts by weight:

[0042] 60 parts of active ingredients and 40 parts of excipients;

[0043] The active ingredient includes Pseudomonas putida, yeast, and Bacillus subtilis, wherein the weight ratio of the Pseudomonas putida, the yeast and the Bacillus subtilis is 1:1.2:3.5;

[0044] Described auxiliary material comprises bran, brown sugar, potassium dihydrogen phosphate, calcium carbonate powder and chaff powder, wherein, described bran, described brown sugar, described potassium dihydrogen phosphate, described calcium carbonate powder and described chaff The weight ratio of powder is 45:10:1:65:65.

[0045] A preparation method of a heavy metal inactivating bacterial agent, comprising:

[0046] Get bran, brown sugar, potassium dihydrogen phosphate, calcium carbonate powder and rice husk powder according to the above weight ratio, then add Pseudomonas putida, saccharomyces, and Bac...

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Abstract

The invention provides a heavy metal inactivating bacterial agent, comprising the following raw materials in parts by weight: 50-60 parts of active ingredients and 40-50 parts of auxiliary materials; the active ingredients include Pseudomonas putida, yeast, Bacillus subtilis, Wherein, the weight ratio of the Pseudomonas putida, the yeast and the Bacillus subtilis is 1:0.8-1.2:2.5-3.5; the auxiliary materials include bran, brown sugar, potassium dihydrogen phosphate, calcium carbonate Flour and chaff powder, wherein, the weight ratio of described bran, described brown sugar, described potassium dihydrogen phosphate, described calcium carbonate powder and described chaff powder is 35-45:8-10:1:55 ‑65:55‑65. The invention also provides a preparation method of the heavy metal inactivating bacterial agent. The invention has good effect on passivation of various heavy metals in soil, and can transform heavy metals in soil into low-toxic or non-toxic forms.

Description

technical field [0001] The invention relates to a bacterial agent capable of passivating heavy metals in soil and a preparation method thereof. Background technique [0002] Heavy metals such as cadmium and arsenic in the soil cannot be decomposed naturally. These heavy metals can affect the yield and quality of crops, cause serious damage to the ecosystem, and especially endanger human health through the food chain. The use of microbial agents to improve soil structure has been proven to be an effective method, but such agents generally cannot passivate heavy metals in the soil. Therefore, a heavy metal inactivating bacterial agent can be designed to passivate heavy metals in the soil, reduce the absorption rate of these heavy metals by crops, and finally reduce the content of heavy metals in crops. Contents of the invention [0003] The object of the present invention is to provide a heavy metal passivation bacterial agent, which has a good passivation effect on various...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20C12N1/16B09C1/10C12R1/125C12R1/40
Inventor 周世同熊巍王斌方琛苏斌朱瑶
Owner WUHAN RUIZE SOURCE BIOLOGICAL ENVIRONMENTAL PROTECTION TECH
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