CN114365671A - Nonmetal solid waste reconstructed surface soil and preparation method thereof - Google Patents
Nonmetal solid waste reconstructed surface soil and preparation method thereof Download PDFInfo
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- CN114365671A CN114365671A CN202210047348.0A CN202210047348A CN114365671A CN 114365671 A CN114365671 A CN 114365671A CN 202210047348 A CN202210047348 A CN 202210047348A CN 114365671 A CN114365671 A CN 114365671A
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- 239000002910 solid waste Substances 0.000 title claims abstract description 125
- 239000002689 soil Substances 0.000 title claims abstract description 57
- 229910052755 nonmetal Inorganic materials 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims description 15
- 239000000463 material Substances 0.000 claims abstract description 40
- 230000000813 microbial effect Effects 0.000 claims abstract description 31
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 30
- 150000001875 compounds Chemical class 0.000 claims abstract description 30
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims description 38
- 229910003480 inorganic solid Inorganic materials 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 241000894006 Bacteria Species 0.000 claims description 12
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 238000000855 fermentation Methods 0.000 claims description 11
- 230000004151 fermentation Effects 0.000 claims description 11
- 235000007164 Oryza sativa Nutrition 0.000 claims description 6
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 6
- 235000014655 lactic acid Nutrition 0.000 claims description 6
- 239000004310 lactic acid Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 235000009566 rice Nutrition 0.000 claims description 6
- 239000010902 straw Substances 0.000 claims description 6
- 239000010828 animal waste Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 5
- 239000010794 food waste Substances 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 240000007594 Oryza sativa Species 0.000 claims 1
- 239000002068 microbial inoculum Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000011049 filling Methods 0.000 abstract description 2
- 238000005065 mining Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 241000209094 Oryza Species 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000010814 metallic waste Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000035784 germination Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 description 1
- 235000001169 Brassica oleracea var oleracea Nutrition 0.000 description 1
- 241000234643 Festuca arundinacea Species 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000010806 kitchen waste Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- -1 organic matters Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/17—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing slag
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/25—Dry fruit hulls or husks, e.g. chaff or coir
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses nonmetal solid waste reconstructed surface soil which comprises the following components: 1-5 parts of a compound microbial agent; 10-15 parts of auxiliary materials; 35-55 parts of organic solid waste; the invention is suitable for the technical field of reconstructed surface soil, overcomes the problems of low recycling value and high reconstruction cost of single solid waste, can carry out application such as mining area green-recovery, soil improvement, urban greening filling and the like by using reconstructed surface soil prepared by mixing various solid wastes, achieves the aim of treating wastes with wastes while restoring ecological environment, improves the recycling value of the solid wastes, and reduces the reconstruction cost of the solid wastes.
Description
Technical Field
The invention belongs to the technical field of reconstructed surface soil, and particularly relates to nonmetal solid waste reconstructed surface soil and a preparation method thereof.
Background
As the country promotes the green environmental protection to an important development direction, the emission reduction and carbon reduction become important policies, and various non-metal solid wastes can not be dumped and buried randomly as before and can not be incinerated blindly. And because the nonmetal solid wastes have various types, complex components, large discharge capacity and low overall availability, how to perform safe and environment-friendly treatment with low cost becomes a troublesome problem.
The surface soil is a plant growth soil layer and mainly comprises various mineral substances, organic matters, water, air and a large amount of soil microorganisms. Meanwhile, the single solid waste has low recycling value and high transformation cost, but most of the nonmetal solid waste can be degraded into one of soil components under the decomposition of microorganisms. Therefore, if a solid waste combination capable of massively propagating beneficial microorganisms can be created, the reconstruction of the surface soil by using the solid waste as a raw material is feasible, and therefore, a method for reconstructing the surface soil by using the nonmetal solid waste is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides nonmetal solid waste reconstructed surface soil and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the nonmetal solid waste reconstructed surface soil comprises the following components in parts by mass:
1-5 parts of a compound microbial agent;
10-15 parts of auxiliary materials;
35-55 parts of organic solid waste; and
30-50 parts of inorganic solid wastes.
Preferably, the particle diameters of the organic solid waste, the inorganic solid waste and the auxiliary material according to the particle sizes are all less than or equal to 1 mm.
Preferably, the inorganic solid waste is a mixture of slag, urban construction solid waste and the like.
Preferably, the organic solid waste is a mixture of more than three of agricultural and forestry straws, animal wastes, food residues and the like, and each organic solid waste does not exceed 50% of the total mass of the organic solid waste mixture.
Preferably, the auxiliary material is a mixture of activated carbon and rice bran.
Preferably, the complex microbial agent is a liquid and comprises a lactic acid bacteria group and a yeast bacteria group.
In a second aspect, a preparation method of nonmetal solid waste reconstructed surface soil comprises the following steps:
mixing the organic solid waste mixture and the compound microbial agent according to the formula amount, adjusting the integral moisture content to 40-55%, fermenting at 35-60 ℃ for 7-15 days, and obtaining a material A after the fermentation is finished;
adjusting the overall humidity of the material A, the inorganic solid waste, the compound microbial agent and the auxiliary material to 40-55%, stirring and mixing, fermenting for 35-60 days at the temperature of 35-60 ℃, and obtaining the nonmetal solid waste reconstructed surface soil after the fermentation is finished.
Preferably, 10-20 kilograms of compound microbial agents are sprayed on the nonmetal solid waste reconstructed surface soil per mu per month for maintenance, and the maintenance lasts for 1 year.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the invention, the problems of low recycling value and high transformation cost of single solid waste are overcome, the reconstructed surface soil prepared by mixing various solid wastes can be applied to mine area greening, soil improvement, urban greening filling and the like, the ecological environment is restored, the aim of treating wastes with processes of wastes against one another is fulfilled, the recycling value of the solid wastes is improved, and the transformation cost of the solid wastes is reduced.
Detailed Description
The following examples further illustrate specific embodiments of the non-metal solid waste recycled surface soil and the preparation method thereof according to the present invention. The nonmetal solid waste reconstructed surface soil and the preparation method thereof are not limited to the description of the following examples.
Example 1:
the embodiment provides a specific implementation mode of the nonmetal solid waste reconstructed surface soil, which comprises the following components in parts by mass:
1 part of compound microbial agent;
10 parts of auxiliary material;
35 parts of organic solid waste; and
30 parts of inorganic solid waste.
Furthermore, the particle diameters of the organic solid waste, the inorganic solid waste and the auxiliary material according to the particle size are all less than or equal to 1 mm.
Further, the inorganic solid waste is a mixture of slag, urban construction solid waste and the like.
Furthermore, the organic solid waste is a mixture of more than three of agricultural and forestry straws, animal wastes, food residues and the like, and each organic solid waste does not exceed 50% of the total mass of the organic solid waste mixture.
Further, the auxiliary material is a mixture of activated carbon and rice bran.
Further, the compound microbial agent is liquid and comprises a lactic acid bacteria group and a yeast bacteria group.
Example 2:
the embodiment provides a specific implementation mode of the nonmetal solid waste reconstructed surface soil, which comprises the following components in parts by mass:
3 parts of a compound microbial agent;
12 parts of auxiliary material;
45 parts of organic solid waste; and
40 parts of inorganic solid waste.
Furthermore, the particle diameters of the organic solid waste, the inorganic solid waste and the auxiliary material according to the particle size are all less than or equal to 1 mm.
Further, the inorganic solid waste is a mixture of slag, urban construction solid waste and the like.
Furthermore, the organic solid waste is a mixture of more than three of agricultural and forestry straws, animal wastes, food residues and the like, and each organic solid waste does not exceed 50% of the total mass of the organic solid waste mixture.
Further, the auxiliary material is a mixture of activated carbon and rice bran.
Further, the compound microbial agent is liquid and comprises a lactic acid bacteria group and a yeast bacteria group.
Example 3:
the embodiment provides a specific implementation mode of the nonmetal solid waste reconstructed surface soil, which comprises the following components in parts by mass:
5 parts of a compound microbial agent;
15 parts of auxiliary material;
55 parts of organic solid waste; and
50 parts of inorganic solid waste.
Furthermore, the particle diameters of the organic solid waste, the inorganic solid waste and the auxiliary material according to the particle size are all less than or equal to 1 mm.
Further, the inorganic solid waste is a mixture of slag, urban construction solid waste and the like.
Furthermore, the organic solid waste is a mixture of more than three of agricultural and forestry straws, animal wastes, food residues and the like, and each organic solid waste does not exceed 50% of the total mass of the organic solid waste mixture.
Further, the auxiliary material is a mixture of activated carbon and rice bran.
Further, the compound microbial agent is liquid and comprises a lactic acid bacteria group and a yeast bacteria group.
Example 4:
the embodiment provides a specific implementation mode of a preparation method of nonmetal solid waste reconstructed surface soil, which comprises the following steps:
mixing the organic solid waste mixture with the formula amount and the compound microbial agent with the formula amount according to the integral moisture adjusted to 40%, fermenting at the temperature of 35 ℃ for 7 days, and obtaining a material A after the fermentation is finished;
and (3) adjusting the overall humidity of the material A, the inorganic solid waste, the compound microbial agent and the auxiliary material to 40-55%, stirring and mixing, fermenting for 35 days at the temperature of 35 ℃, and obtaining the nonmetal solid waste reconstructed surface soil after the fermentation is finished.
Furthermore, 10 kilograms of compound microbial agents are sprayed on the nonmetal solid waste reconstructed surface soil per mu per month for maintenance, and the maintenance lasts for 1 year.
Example 5:
the embodiment provides a specific implementation mode of a preparation method of nonmetal solid waste reconstructed surface soil, which comprises the following steps:
mixing the organic solid waste mixture with the formula amount and the compound microbial agent with the formula amount according to the integral water content adjusted to 45%, fermenting at 45 ℃ for 11 days, and obtaining a material A after the fermentation is finished;
and (3) adjusting the overall humidity of the material A, the inorganic solid waste, the compound microbial agent and the auxiliary material to 48%, stirring and mixing, fermenting for 50 days at the temperature of 50 ℃, and obtaining the nonmetal solid waste reconstructed surface soil after the fermentation is finished.
Furthermore, 15 kilograms of compound microbial agents are sprayed on the nonmetal solid waste reconstructed surface soil per mu per month for maintenance, and the maintenance lasts for 1 year.
Example 6:
the embodiment provides a specific implementation mode of a preparation method of nonmetal solid waste reconstructed surface soil, which comprises the following steps:
mixing the organic solid waste mixture with the formula amount and the compound microbial agent with the formula amount according to the integral water content adjusted to 55%, fermenting at the temperature of 60 ℃ for 15 days, and obtaining a material A after the fermentation is finished;
adjusting the overall humidity of the material A, the inorganic solid waste, the compound microbial agent and the auxiliary material to 55%, stirring and mixing, fermenting for 60 days at the temperature of 60 ℃, and obtaining the nonmetal solid waste reconstructed surface soil after the fermentation is finished.
Furthermore, 20 kilograms of compound microbial agents are sprayed on the nonmetal solid waste reconstructed surface soil per mu per month for maintenance, and the maintenance lasts for 1 year.
Example 7:
the embodiment provides a specific implementation mode of a preparation method of nonmetal solid waste reconstructed surface soil, and the preparation method comprises the following raw materials in parts by mass: 5 parts of composite microbial agent, 15 parts of auxiliary material, 35 parts of organic solid waste and 45 parts of inorganic solid waste. Wherein the particle diameter of the inorganic solid waste and the auxiliary material according to the particle size is less than or equal to 1 mm.
Further, the inorganic solid waste comprises a mixture of sand washing mud, urban sewer silt and mushroom soil.
Furthermore, the organic solid waste comprises a mixture of agricultural and forestry straws, septic tank solid waste, kitchen waste and the like, and each organic solid waste does not exceed 50% of the total mass of the organic solid waste mixture.
Further, the auxiliary material is a mixture of activated carbon and rice bran, and the function of the auxiliary material is to adjust the moisture of the mixture.
Further, the compound microbial agent is liquid and comprises a lactic acid bacteria group and a yeast bacteria group.
Further, the preparation process is as follows:
adding 0.5% of the compound microbial agent into the organic solid waste mixture according to the mass ratio, adjusting the whole water content according to 40% -55%, uniformly mixing, fermenting at the temperature of 35-60 ℃ for 8 days, and taking the mixture after fermentation as material A for later use.
After the material A is fermented, the material A is continuously stirred and mixed with the inorganic solid waste mixture, the rest compound microbial agent and the auxiliary material according to the integral humidity adjusted to 40-55 percent, and the mixture is fermented for 35 days at the temperature of 35-60 ℃.
And after the mixture is fermented, planting. Meanwhile, 10-20 kilograms of compound microbial agents are sprayed per mu per month for maintenance, and the maintenance lasts for 1 year.
The original inorganic solid-waste mixtures of the reconstituted surface soil and the blank control obtained in example 7 were subjected to cabbage and tall fescue germination tests, respectively; the original inorganic solid waste mixture of the reconstructed surface soil and the blank control group obtained in example 7 were subjected to various performance tests such as pH value, seed germination rate, heavy metals and the like, and compared with "soil environment quality standard" GB15618-2018, the results are shown in the following table:
and (3) comparative analysis:
compared with the inorganic solid waste mixture, the heavy metal element content of the nonmetal solid waste reconstructed surface soil is greatly reduced, the content of each trace element suitable for plant growth is greatly increased, the germination rate of seeds completely reaches the standard, compared with the soil environment quality standard, each numerical value basically reaches the standard, the shape and the microecological system completely adapt to plant growth, and the process of reconstructing the nonmetal solid waste reconstructed surface soil is successful.
The principle is as follows: in the invention, indexes such as the character of imitating natural soil, a micro ecosystem and the like are used, and meanwhile, harmful components in solid waste are removed, so that the national soil safety standard is reached. The self-repairing and regenerating capabilities of the nature are quickly improved by human intervention to decompose, reduce and biochemically synthesize various non-metallic wastes, so that the non-metallic wastes generate recyclable resources. According to the characteristics of different types of solid wastes, through scientific calculation and collocation, a proper amount of compound microbial preparation and specific auxiliary materials are added into various mixed solid wastes, and the mixed solid wastes are stirred uniformly and then naturally stacked. After 35-60 days, natural biological chains of surface soil can be established in the mixed solid wastes by the composite flora, so that various non-metallic wastes including hazardous wastes can generate pollution-free reconstructed surface soil.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (8)
1. The nonmetal solid waste reconstructed surface soil is characterized by comprising the following components in parts by mass:
1-5 parts of a compound microbial agent;
10-15 parts of auxiliary materials;
35-55 parts of organic solid waste; and
30-50 parts of inorganic solid wastes.
2. The non-metal solid waste reconstructed surface soil of claim 1, which is characterized in that: the particle diameters of the organic solid waste, the inorganic solid waste and the auxiliary material according to the particle sizes are all less than or equal to 1 mm.
3. The non-metal solid waste reconstructed surface soil of claim 1, which is characterized in that: the inorganic solid waste is a mixture of slag, urban construction solid waste and the like.
4. The non-metal solid waste reconstructed surface soil of claim 1, which is characterized in that: the organic solid waste is a mixture of more than three of agricultural and forestry straws, animal wastes, food residues and the like, and each organic solid waste does not exceed 50% of the total mass of the organic solid waste mixture.
5. The non-metal solid waste reconstructed surface soil of claim 1, which is characterized in that: the auxiliary material is a mixture of activated carbon and rice bran.
6. The non-metal solid waste reconstructed surface soil of claim 1, which is characterized in that: the compound microbial agent is liquid and comprises a lactic acid bacteria group and a yeast bacteria group.
7. The preparation method of the nonmetal solid waste reconstructed surface soil is characterized by comprising the following steps:
mixing the organic solid waste mixture and the compound microbial agent according to the formula amount, adjusting the integral moisture content to 40-55%, fermenting at 35-60 ℃ for 7-15 days, and obtaining a material A after the fermentation is finished;
adjusting the overall humidity of the material A, the inorganic solid waste, the compound microbial agent and the auxiliary material to 40-55%, stirring and mixing, fermenting for 35-60 days at the temperature of 35-60 ℃, and obtaining the nonmetal solid waste reconstructed surface soil after the fermentation is finished.
8. The method for preparing the non-metal solid waste reconstructed surface soil according to claim 7, wherein 10-20 kg of compound microbial inoculum is required to be sprayed per mu of the non-metal solid waste reconstructed surface soil as maintenance, and the maintenance lasts for 1 year.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210047348.0A CN114365671A (en) | 2022-01-17 | 2022-01-17 | Nonmetal solid waste reconstructed surface soil and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210047348.0A CN114365671A (en) | 2022-01-17 | 2022-01-17 | Nonmetal solid waste reconstructed surface soil and preparation method thereof |
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| CN202210047348.0A Pending CN114365671A (en) | 2022-01-17 | 2022-01-17 | Nonmetal solid waste reconstructed surface soil and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117716968A (en) * | 2024-02-08 | 2024-03-19 | 北京市农林科学院 | Artificial soil and preparation method thereof |
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Application publication date: 20220419 |