Microbial soil improving agent for restoring petroleum polluted soil and preparation method thereof

A technology of soil improver and oil pollution, which is applied in the field of microbial soil improver and its preparation, which can solve the problems of unfavorable crop growth, failure to improve soil fertility, and unsatisfactory degradation effect, and achieve high-efficiency and rapid degradation ability and strong phosphorus-dissolving ability , The effect of high oil degradation efficiency

Inactive Publication Date: 2019-03-08
天津天丰泽田生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current soil amendments either do not contain microorganisms, or the degradation effect of the microorganisms the

Method used

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  • Microbial soil improving agent for restoring petroleum polluted soil and preparation method thereof
  • Microbial soil improving agent for restoring petroleum polluted soil and preparation method thereof
  • Microbial soil improving agent for restoring petroleum polluted soil and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A kind of microbial soil improvement agent for repairing oil-contaminated soil, the product is made up of 30 parts by weight of degrading bacteria agent, 75 parts by weight of additives and 10 parts by weight of biosurfactant;

[0031] The degrading bacteria include: Pseudomonas, Bacillus, Acinetobacter, yeast, phosphate-dissolving bacteria, nitrogen-fixing bacteria, nitrifying bacteria and photosynthetic bacteria;

[0032] Described Pseudomonas is bacterial strain LKY-5; Described Bacillus is Bacillus pumilus Yc2-1 and Bacillus lateralis G-40 that the weight and number ratio is 1:1; Described Acinetobacter is calcium acetate not The saccharomycete JH250-8; the saccharomycete is Candida tropicalis G-94; the phosphate-solubilizing bacterium is bacterial strain YLYP6; the nitrogen-fixing bacterium is bacterial strain PJ12;

[0033] In every gram of degrading agent, the number of Pseudomonas is 2×10 7 (piece / g), the number of bacillus is 5×10 7 , the number of Acinetobac...

Embodiment 2

[0052] A microbial soil improver for repairing oil-contaminated soil, the product is composed of 40 parts by weight of degrading bacteria agent, 70 parts by weight of additives and 15 parts by weight of biosurfactant;

[0053] The degrading bacteria include: Pseudomonas, Bacillus, Acinetobacter, yeast, phosphate-dissolving bacteria, nitrogen-fixing bacteria, nitrifying bacteria and photosynthetic bacteria;

[0054] Described Pseudomonas is bacterial strain LKY-5; Described Bacillus is Bacillus pumilus Yc2-1, Bacillus lateralis G-40 and Bacillus licheniformis Yb1 that the weight and number ratio is 1:1:1; Acinetobacter is Acinetobacter calcoaceticus JH250-8; the saccharomycete is Candida tropicalis G-94; the phosphate solubilizing bacterium is bacterial strain YLYP6; the nitrogen-fixing bacterium is bacterial strain PJ12;

[0055] In every gram of degrading agent, the number of Pseudomonas is 4×10 7 (piece / g), the number of bacillus is 3×10 7 , the number of Acinetobacter is ...

Embodiment 3

[0074] A kind of microbial soil improvement agent for repairing oil-contaminated soil, the product is made up of 50 parts by weight of degrading bacteria agent, 80 parts by weight of additives and 15 parts by weight of biosurfactant;

[0075] The degrading bacteria include: Pseudomonas, Bacillus, Acinetobacter, yeast, phosphate-dissolving bacteria, nitrogen-fixing bacteria, nitrifying bacteria and photosynthetic bacteria;

[0076] The Pseudomonas is bacterial strain LKY-5; the Bacillus is Bacillus pumilus Yc2-1, Bacillus licheniformis Yb1, Bacillus cereus and Bacillus orthospora with a ratio of parts by weight of 1:1:1:1 bacillus G-40; the Acinetobacter is Acinetobacter calcoacetate JH250-8; the saccharomyces is Candida tropicalis G-94; the phosphate solubilizing bacteria is bacterial strain YLYP6; the nitrogen-fixing bacteria is bacterial strain PJ12 ;

[0077] In every gram of degrading agent, the number of Pseudomonas is 1×10 8 (piece / g), the number of bacillus is 8×10 7...

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Abstract

The invention provides a microbial soil improving agent for restoring petroleum polluted soil. A product is prepared from a degradation bacterial agent, an additive and a biosurfactant, wherein the degradation bacterial agent is prepared from pseudomonas, bacillus, Acinetobacter, microzyme, phosphate-solubilizing bacteria, azotobacterial, nitrobacteria and photosynthetic bacteria; the additive isprepared from the following ingredients in parts by weight: 20 to 35 parts of wormcast, 80 to 120 parts of bentonite, 1 to 10 parts of chitosan, 10 to 20 parts of kaolin, 5 to 9 parts of borax, 25 to35 parts of crop stalks, 10 to 15 parts of rice hull powder, 10 to 15 parts of dry seaweed, 1 to 5 parts of organic acid, 5 to 10 parts of vermiculite, 10 to 20 parts of shell powder and 20 to 25 parts of compound amino acid. The microbial soil improving agent for restoring petroleum polluted soil has the advantages that the soil fertility is improved; the petroleum in the soil can be degraded; the goal of governing the petroleum polluted soil is achieved.

Description

technical field [0001] The invention belongs to the technical field of soil improvement, and in particular relates to a microbial soil improver for repairing oil-contaminated soil and a preparation method thereof. Background technique [0002] During the extraction, transportation, storage, refining and use of crude oil, a large amount of crude oil and its derivatives inevitably enter the environment, causing serious pollution to the soil. The chemical composition of crude oil is complex, including various toxic substances such as alkanes, cycloalkanes, and aromatics. Some of these aromatic compounds have potential or proven carcinogenic, mutagenic, and mutagenic effects, and can pass through the food chain in animals, plants, and The accumulation in the human body poses a huge threat to the ecological environment and human health. [0003] Bioremediation technology is an emerging technology developed in recent years to clean the environment. It uses the life activities of ...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/04C09K17/40C09K101/00C05G3/80
CPCC05C11/00C05G3/00C09K17/40C09K2101/00C05G3/80C05G5/12C05D9/02C05F1/005C05F3/00C05F5/002C05F11/00C05F11/08C05D9/00
Inventor 张见高雪燕邢军
Owner 天津天丰泽田生物科技有限公司
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