阅读说明：本技术 一种利用废弃食用菌菌棒制作的餐厨微生物菌剂及其制备方法和应用 (Kitchen microbial agent prepared from waste edible fungus sticks and preparation method and application thereof ) 是由 马学军 于 2021-09-17 设计创作，主要内容包括：本发明公开了一种利用废弃食用菌菌棒制作的餐厨微生物菌剂及其制备方法和应用,所述餐厨微生物菌剂的制备方法为：采用废弃食用菌菌棒为原料,经机械粉碎、筛分后,添加淀粉和/或粉碎后的玉米芯以调节碳氮比例,调节含水量后,与解淀粉芽孢杆菌、葡萄牙棒酵母、枯草芽孢杆菌、地衣芽孢杆菌、高温放线菌五种菌种按培养后液体混合,进行菌种的吸附负载,即可制得餐厨微生物菌剂。本发明以吸附于食用菌菌棒载体的微生物菌剂为复合微生物菌剂配方,能快速处理餐厨垃圾,经过处理后的餐厨垃圾又可成为生物有机肥,因此本发明二次变废为宝,具有显著的经济和社会效应。(The invention discloses a kitchen microbial agent prepared from waste edible fungus sticks, and a preparation method and application thereof, wherein the preparation method of the kitchen microbial agent comprises the following steps: the kitchen microbial agent is prepared by adopting waste edible fungus sticks as raw materials, mechanically crushing and screening the raw materials, adding starch and/or crushed corncobs to adjust the carbon-nitrogen ratio, adjusting the water content, mixing the raw materials with five strains of bacillus amyloliquefaciens, grape dental bar yeast, bacillus subtilis, bacillus licheniformis and high-temperature actinomyces according to the cultured liquid, and carrying out adsorption loading on the strains. The invention takes the microbial agent adsorbed on the edible fungus stick carrier as the formula of the compound microbial agent, can rapidly treat the kitchen waste, and the treated kitchen waste can be used as a biological organic fertilizer, so that the invention changes waste into valuable and has obvious economic and social effects.)

1. A preparation method for preparing a kitchen microbial agent by using waste edible fungus sticks is characterized by comprising the following steps:

1) preparation of microbial agent carrier: waste edible fungus sticks are adopted as raw materials, and are mechanically crushed and screened, and starch and/or crushed corncobs are added into the obtained edible fungus stick small particles to adjust the carbon-nitrogen ratio of the mixed materials, so that a microbial agent carrier is prepared;

2) and (3) strain culture: respectively culturing five strains of bacillus amyloliquefaciens, saccharomyces vittae, bacillus subtilis, bacillus licheniformis and high-temperature actinomyces by using corresponding liquid seed culture media, and mixing the five strains according to the volume ratio of the cultured liquid of 1: 0.5-2 to obtain mixed strain liquid;

3) the carrier absorbs strains: adjusting the water content of the microbial agent carrier obtained in the step 1), controlling the relative humidity to be 60-90%, then mixing the carrier with the mixed strain liquid obtained in the step 2) according to a solid-liquid ratio of 10: 0.1-0.5, carrying out adsorption loading on strains, wherein the unit of the solid-liquid ratio is kg/L, and standing the mixture after adsorption for curing for 2-5 days at normal temperature, thus completing the preparation.

2. The method for preparing the kitchen microbial inoculum by using the waste edible fungus sticks as claimed in claim 1, wherein in the step 1), the edible fungus sticks are mechanically crushed and sieved into small particles of 0.1-10mm, preferably 0.5-1.0 mm; the feeding mass ratio of the small edible fungus stick particles to the starch and/or the crushed corncobs is 100: 0.5-5, and preferably 100: 1-2.

3. The method for preparing the kitchen microbial inoculant according to claim 1, wherein in the step 2), the culture conditions of the bacillus amyloliquefaciens, the bacillus subtilis or the bacillus licheniformis are as follows: selecting 1-2 rings of lawn from a fresh test tube slant of bacillus amyloliquefaciens, bacillus subtilis or bacillus licheniformis, inoculating the lawn in a 250ml triangular flask, and culturing by using LB culture medium with liquid loading capacity of 40-50ml, wherein the culture temperature is 37-39 ℃, the rotating speed of a shaking table is 100-300 r/min, and the culture time is 24-48 hours.

4. The method for preparing the kitchen microbial inoculum by using the waste edible fungus sticks as claimed in claim 1, wherein in the step 2), the culture conditions of the dental grape yeast are as follows: selecting 1-2 rings of bacterial lawn from the slant of a fresh test tube of the grape dental bar yeast, inoculating the bacterial lawn in a 250ml triangular flask, filling 40-50ml of PDB culture medium for culturing at the culture temperature of 27-33 ℃, the rotating speed of a shaking table of 100 plus materials at 300 rpm for 24-48 hours, and collecting zymogen liquid.

5. The method as claimed in claim 1, wherein in the step 2), 1-2 rings of lawn are scraped from the slant of the fresh test tube of high temperature actinomycetes, and inoculated into a 250ml triangular flask, and cultured in 40-50ml of culture medium No. 1 Gao's at 25-32 ℃, with the rotation speed of the shaking table of 100-.

6. The kitchen microbial inoculum prepared by the method of any one of claims 1 to 5.

7. The application of the kitchen microbial inoculant according to claim 6 in kitchen waste treatment.

8. The use according to claim 7, characterized in that the specific processing steps are as follows:

s1: collecting and conveying the kitchen waste to a centralized processing station, manually sorting the kitchen waste, and removing solid impurities in the kitchen waste, wherein the solid impurities comprise plastics, disposable chopstick tableware and metal bottle caps;

s2: carrying out solid-liquid separation on the sorted kitchen waste to obtain solid food of the kitchen, and carrying out oil-water separation on the separated liquid to obtain kitchen grease and kitchen wastewater;

s3: and S2, treating the solid kitchen food obtained in the step S with the kitchen microbial agent to obtain a solid organic fertilizer.

9. The use according to claim 8, wherein the treatment of kitchen food solids with said kitchen microbial agent is by: adding a kitchen microbial agent into the solid kitchen food to be treated, wherein the adding amount of the kitchen microbial agent is 0.1-0.5% of the solid kitchen food, and treating at the temperature of 40-80 ℃ for 3-5 days.

Technical Field

The invention relates to the technical field of microorganisms, in particular to a kitchen microbial agent prepared from waste edible fungus sticks and a preparation method and application thereof.

Background

The garbage classification is an improvement of the traditional garbage collection and disposal mode, and is a scientific management method for effectively disposing garbage. How to realize the utilization of garbage resources to the maximum extent through garbage classification management, reduce the garbage disposal amount and improve the quality of living environment is one of the urgent problems which are commonly concerned by countries in the world at present. With the promotion of urbanization in China, household kitchen waste gradually becomes an important part in government waste classification, a large amount of food waste is generated, water, soil and atmospheric environment on which people live are greatly damaged, and the kitchen waste becomes a troublesome problem in municipal waste treatment.

Based on the social background and practical requirements, the invention adopts the microbial inoculum to treat the kitchen waste, but the microbial inoculum of the kitchen waste in the market is uneven, and the kitchen waste is difficult to have satisfactory results, and the main reasons are as follows: the microorganism carrier is not suitable, and factors such as insufficient adsorption capacity, poor survival of the strain and the like exist. In the preparation process of some food or medicine-grade microbial agents, the microbial agent has large amount and high activity, wherein the key is that the microbial agent carrier is very important to select, but in the process of treating the kitchen waste by using the microbial agent, the cost factor must be considered, so that the use of the microbial carrier similar to the food grade cannot be realized. Based on the comprehensive consideration of the factors, the invention utilizes the waste edible fungus sticks to prepare the microbial agent carrier suitable for the kitchen waste by mechanical crushing, screening, carbon-nitrogen ratio adjustment and the like, and the microbial agent carrier is applied to the kitchen waste treatment process to obtain good results.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention aims to provide a kitchen microbial agent prepared from waste edible fungus sticks and a preparation method and application thereof.

The preparation method for preparing the kitchen microbial agent by using the waste edible fungus sticks is characterized by comprising the following steps of:

1) preparation of microbial agent carrier: waste edible fungus sticks are adopted as raw materials, and are mechanically crushed and screened, and starch and/or crushed corncobs are added into the obtained edible fungus stick small particles to adjust the carbon-nitrogen ratio of the mixed materials, so that a microbial agent carrier is prepared;

2) and (3) strain culture: respectively culturing five strains of bacillus amyloliquefaciens, saccharomyces vittae, bacillus subtilis, bacillus licheniformis and high-temperature actinomyces by using corresponding liquid seed culture media, and mixing the five strains according to the volume ratio of the cultured liquid of 1: 0.5-2 to obtain mixed strain liquid;

3) the carrier absorbs strains: adjusting the water content of the microbial agent carrier obtained in the step 1), controlling the relative humidity to be 60-90%, then mixing the carrier with the mixed strain liquid obtained in the step 2) according to a solid-liquid ratio of 10: 0.1-0.5, carrying out adsorption loading on strains, wherein the unit of the solid-liquid ratio is kg/L, and standing the mixture after adsorption for curing for 2-5 days at normal temperature, thus completing the preparation.

The preparation method for preparing the kitchen microbial agent by using the waste edible fungus sticks is characterized in that in the step 1), the edible fungus sticks are mechanically crushed and screened into small particles of 0.1-10mm, preferably 0.5-1.0 mm; the feeding mass ratio of the small edible fungus stick particles to the starch and/or the crushed corncobs is 100: 0.5-5, and preferably 100: 1-2.

The preparation method for preparing the kitchen microbial agent by using the waste edible fungus sticks is characterized in that in the step 2), the culture conditions of the bacillus amyloliquefaciens, the bacillus subtilis or the bacillus licheniformis are as follows: selecting 1-2 rings of lawn from a fresh test tube slant of bacillus amyloliquefaciens, bacillus subtilis or bacillus licheniformis, inoculating the lawn in a 250ml triangular flask, and culturing by using LB culture medium with liquid loading capacity of 40-50ml, wherein the culture temperature is 37-39 ℃, the rotating speed of a shaking table is 100-300 r/min, and the culture time is 24-48 hours.

The preparation method for preparing the kitchen microbial agent by using the waste edible fungus sticks is characterized in that in the step 2), the culture conditions of the grape dental stick yeast are as follows: selecting 1-2 rings of bacterial lawn from the slant of a fresh test tube of the grape dental bar yeast, inoculating the bacterial lawn in a 250ml triangular flask, filling 40-50ml of PDB culture medium for culturing at the culture temperature of 27-33 ℃, the rotating speed of a shaking table of 100 plus materials at 300 rpm for 24-48 hours, and collecting zymogen liquid.

The preparation method for preparing the kitchen microbial agent by using the waste edible fungus sticks is characterized in that in the step 2), 1-2 rings of lawn are scraped from the inclined plane of a fresh test tube of high-temperature actinomycetes, the lawn is inoculated into a 250ml triangular flask, 40-50ml of Gao's No. 1 culture medium is filled for culture, the culture temperature is 25-32 ℃, the rotating speed of a shaking table is 100 and 200 revolutions per minute, the culture time is 48-72 hours, and zymocyte liquid is collected.

The kitchen microbial agent is prepared according to the method.

The application of the kitchen microbial inoculum in the treatment of the kitchen waste comprises the following specific treatment steps:

s1: collecting and conveying the kitchen waste to a centralized processing station, manually sorting the kitchen waste, and removing solid impurities such as plastics, disposable chopsticks and tableware, metal bottle caps and the like;

s2: carrying out solid-liquid separation on the sorted kitchen waste to obtain solid food of the kitchen, and carrying out oil-water separation on the separated liquid to obtain kitchen grease and kitchen wastewater;

s3: and S2, treating the solid kitchen food solids obtained in the step S with the kitchen microbial agent to obtain the solid organic fertilizer.

The kitchen food solid is treated by the kitchen microbial agent in the following steps: adding the kitchen microbial inoculum into the solid kitchen food to be treated, wherein the adding amount of the kitchen microbial inoculum is 0.1-0.5% of the solid kitchen food, treating at the temperature of 40-80 ℃ for 3-5 days, and obtaining the solid organic fertilizer.

Compared with the prior art, the beneficial effects of this application lie in:

1) the method adopts the waste edible fungus sticks as raw materials, and the carbon-nitrogen ratio is adjusted after the waste or waste edible fungus sticks are mechanically crushed and sieved by utilizing waste materials, so that the survival rate of microorganisms after adsorbing the carrier is improved. Meanwhile, the discharge and treatment of the waste or waste edible fungus sticks are reduced, the environmental protection pressure of the edible fungus industry is relieved, and waste is changed into valuable.

2) The microbial agent adsorbed on the edible fungus stick carrier is a compound microbial agent formula, can quickly treat the kitchen waste, and the treated kitchen waste can become a bio-organic fertilizer, so that the invention changes waste into valuable secondarily and has obvious economic and social effects.

3) The method comprises the steps of collecting waste edible fungus sticks, mechanically crushing and screening the fungus sticks, adding corn and/or corn starch to adjust the C/N ratio and the water content, adsorbing and combining kitchen waste microorganism strains including bacillus amyloliquefaciens, bacillus subtilis, saccharomyces vittae, bacillus licheniformis and high-temperature actinomycetes and a carrier, adding the kitchen waste microorganism strains into the pretreated kitchen waste, carrying out mass propagation on the strains to generate biological heat, carrying out high-temperature decomposition on macromolecular nutrient substances in the kitchen waste, and finally forming the kitchen waste into the biological organic fertilizer. According to the method and the device, the waste edible fungus sticks and the kitchen waste can be recycled, and a new method and a new way are provided for Chinese waste classification and recycling.

Detailed Description

The present invention is further illustrated by the following examples, which should not be construed as limiting the scope of the invention.

Example 1:

a microbial bacterial agent carrier for preparing the organic fertilizer from the edible fungus is prepared from the edible fungus through mechanically pulverizing the edible fungus rods, sieving, regulating carbon-nitrogen ratio, culturing five bacterial strains, and uniformly adsorbing the bacterial strains to obtain composite microbial bacterial agent. The specific method comprises the following steps:

1) preparation of microbial agent carrier: the method comprises the following steps of (1) mechanically crushing and screening waste edible fungus sticks serving as raw materials into small particles with the average particle size of about 1mm, adding 1kg of corn starch into 100kg of the small edible fungus sticks, and uniformly stirring to obtain a microbial carrier;

2) and (3) strain culture: bacillus amyloliquefaciens, saccharomyces vittae, bacillus subtilis, bacillus licheniformis and high-temperature actinomyces are respectively cultured by special liquid seed culture media.

Wherein, the culture conditions of the bacillus amyloliquefaciens, the bacillus subtilis or the bacillus licheniformis are all as follows: selecting 1-ring lawn from a fresh test tube slant of bacillus amyloliquefaciens, bacillus subtilis or bacillus licheniformis, inoculating the lawn in a 250ml triangular flask, and culturing in 45ml LB culture medium at 37-39 ℃ at a table rotation speed of 200 r/min for 36 hours.

The culture conditions of the grape dental bar yeast are as follows: selecting 1-ring bacterial lawn from the slant of a fresh test tube of the grape-tooth-stick yeast, inoculating the bacterial lawn in a 250ml triangular flask, culturing in a PDB culture medium with the liquid loading of 45ml at the culture temperature of 30 ℃, the rotating speed of a shaking table of 200 revolutions per minute and the culture time of 36 hours, and collecting zymogen liquid.

The culture conditions of the high-temperature actinomycetes are as follows: scraping 1-ring lawn from the slant of a fresh test tube of high-temperature actinomycetes, inoculating the lawn on a 250ml triangular flask, culturing in 45ml of Gao's No. 1 culture medium at a culture temperature of 27 ℃, at a shaking table rotation speed of 150 rpm for 60 hours, and collecting zymogen liquid.

3) The carrier absorbs strains: adjusting the water content of the microbial carrier obtained in the step 1), and measuring the water content by a hygrometer to control the relative humidity to be 75% for adsorbing the cultured strains. And 2) mixing the five strains according to the volume ratio of the cultured liquid of 1:1:1:1:1 to obtain liquid strains. Then adsorbing 100 ml of liquid strains according to 10kg of microbial carriers, standing for curing at normal temperature for 3 days after adsorption, and thus obtaining the microbial composite inoculant.

4) Treating the kitchen waste: collecting food waste, and manually sorting and removing solid impurities such as plastics, disposable chopsticks and tableware, metal bottle caps and the like. And performing solid-liquid separation on the sorted food waste to separate oil-water liquid in the food waste so as to obtain solid food. Adding 1kg of microbial complex inoculant into 1000kg of sorted oil-water-removed kitchen solid matters, uniformly mixing, and treating at 60 ℃ for 4 days to obtain the kitchen organic fertilizer.

Comparative example 1:

the culture methods of Bacillus amyloliquefaciens, Saccharomyces cerevisiae, Bacillus subtilis, Bacillus licheniformis, and Thermoactinomyces were repeated as in example 1. And mixing the five strains according to the volume ratio of the cultured liquid of 1:1:1:1:1 to obtain the compound bacterial liquid.

Treating the kitchen waste: collecting food waste, and manually sorting and removing solid impurities such as plastics, disposable chopsticks and tableware, metal bottle caps and the like. And performing solid-liquid separation on the sorted food waste to separate oil-water liquid in the food waste so as to obtain solid food. And (3) sorting the kitchen solid matters after oil and water removal according to 1000kg, uniformly mixing, adding 10ml of the prepared compound bacterial liquid, and treating at the treatment temperature of 60 ℃ for 4 days to obtain the kitchen organic fertilizer.

Comparative example 2:

1) preparation of microbial agent carrier: the method comprises the following steps of (1) mechanically crushing and screening waste edible fungus sticks serving as raw materials into small particles with the average particle size of about 1mm, adding 1kg of corn starch into 100kg of the small edible fungus sticks, and uniformly stirring to obtain a microbial carrier;

2) and (3) strain culture: the procedure of example 1 was repeated to culture Bacillus amyloliquefaciens, Saccharomyces cerevisiae, and Bacillus subtilis.

3) The carrier absorbs strains: adjusting the water content of the microbial carrier obtained in the step 1), and measuring the water content by a hygrometer to control the relative humidity to be 75% for adsorbing the cultured strains. And 2) mixing the three strains according to the volume ratio of the cultured liquid of 1:1:1 to obtain the liquid strain. Then adsorbing 100 ml of liquid strains according to 10kg of microbial carriers, standing for curing at normal temperature for 3 days after adsorption, and thus obtaining the microbial composite inoculant.

4) Treating the kitchen waste: collecting food waste, and manually sorting and removing solid impurities such as plastics, disposable chopsticks and tableware, metal bottle caps and the like. And performing solid-liquid separation on the sorted food waste to separate oil-water liquid in the food waste so as to obtain solid food. Adding 1kg of microbial complex inoculant into 1000kg of sorted oil-water-removed kitchen solid matters, uniformly mixing, and treating at 60 ℃ for 4 days to obtain the kitchen organic fertilizer.

Comparative example 3:

comparative example 3 three kinds of selected bacteria (bacillus amyloliquefaciens, bacillus licheniformis and bacillus subtilis) are loaded on the edible fungus stick carrier of the invention, the same kitchen waste is mixed and treated, and the culture methods of the three kinds of bacteria (bacillus amyloliquefaciens, bacillus licheniformis and bacillus subtilis) are repeated in example 1.

The experimental method of comparative example 3 was repeated in comparative example 2, except that "three kinds of bacteria (bacillus amyloliquefaciens, saccharomyces cerevisiae, and bacillus subtilis) in comparative example 2 were replaced with three kinds of bacteria (bacillus amyloliquefaciens, bacillus licheniformis, and bacillus subtilis) in comparative example 3", the other steps were repeated in comparative example 2, and finally, the kitchen solid material from which oil and water were removed was sorted was treated with the microbial composite inoculant to obtain the kitchen organic fertilizer.

Comparative example 4:

comparative example 4 three kinds of selected bacteria (bacillus subtilis, bacillus licheniformis and thermoactinomyces) are loaded on the edible fungus stick carrier of the invention, the same kitchen waste is mixed and treated, and the culture methods of the three kinds of bacteria are all repeated in example 1.

The experimental method of comparative example 4 was repeated in comparative example 2, except that "three kinds of bacteria (bacillus amyloliquefaciens, saccharomyces cerevisiae, and bacillus subtilis) in comparative example 2 were replaced with three kinds of bacteria (bacillus subtilis, bacillus licheniformis, and thermoactinomyces) in comparative example 4", the other steps were repeated in comparative example 2, and finally, the kitchen solid material from which oil and water were removed was sorted was treated with the microbial composite inoculant to obtain the kitchen organic fertilizer.

Comparative example 5:

comparative example 5 three kinds of selected bacteria (bacillus amyloliquefaciens, saccharomyces vittae, thermoactinomyces) were loaded on the edible fungus stick carriers of the present invention and mixed with the same kitchen waste, and the culture methods of the three kinds of bacteria were repeated as in example 1.

The experimental method of comparative example 5 was repeated in comparative example 2, except that "three kinds of bacteria (bacillus amyloliquefaciens, corynebacterium viticola, and bacillus subtilis) in comparative example 2 were replaced with three kinds of bacteria (bacillus amyloliquefaciens, corynebacterium viticola, and high temperature actinomycetes) in comparative example 5", the comparative example 2 was repeated in the remaining steps, and finally, the kitchen solid matter from which oil and water were removed was sorted was treated with the microbial composite microbial inoculum to obtain the kitchen organic fertilizer.

The kitchen organic fertilizer finally obtained in the example 1 and the comparative examples 1-5 is detected (referring to national standard NY525-2020 organic fertilizer), and the detection result is shown in Table 1.

TABLE 1

Through the experiment comparison between the embodiment 1 and the comparison examples 1-5, after the carrier is adopted to adsorb five kinds of bacteria, the synergistic effect of the strains is obvious, and the strain has obvious superiority on key indexes such as effective viable count, organic matters, total nitrogen, total nutrients and the like. In contrast example 1, since no carrier was used, the bacterial solution was easily lost during the treatment of food waste.

Example 2:

a preparation method of a microbial agent carrier and an application of the microbial agent carrier in kitchen waste treatment are specifically as follows:

1) preparation of microbial agent carrier: the method comprises the steps of taking waste edible fungus sticks as raw materials, mechanically crushing and screening the raw materials into small particles with the average particle size of about 0.5mm, adding 1kg of corn starch and 1kg of crushed corncob fine powder into 100kg of edible fungus stick small particles, and uniformly stirring to obtain a microbial carrier;

2) and (3) strain culture: bacillus amyloliquefaciens, saccharomyces vittae, bacillus subtilis, bacillus licheniformis and high-temperature actinomyces are respectively cultured by special liquid seed culture media.

Wherein, the bacillus amyloliquefaciens, the bacillus subtilis and the bacillus licheniformis are all cultured by an LB culture medium, and 1 wt% of glucose and 2 wt% of molasses are all added into the LB culture medium. The culture conditions of the bacillus amyloliquefaciens, the bacillus subtilis or the bacillus licheniformis are as follows: 1-ring lawn is picked from a fresh test tube slant of bacillus amyloliquefaciens, bacillus subtilis or bacillus licheniformis and inoculated into a 250ml triangular flask, liquid loading amount of 45ml LB culture medium (1 wt% of glucose and 2 wt% of molasses are added in the LB culture medium) is filled for culture, the culture temperature is 37 ℃, the rotating speed of a shaking table is 200 r/min, and the culture time is 36 hours.

The culture conditions of the grape dental bar yeast are as follows: selecting 1-ring bacterial lawn from the slant of a fresh test tube of the grape-tooth-stick yeast, inoculating the bacterial lawn in a 250ml triangular flask, culturing in a PDB culture medium with the liquid loading of 45ml at the culture temperature of 30 ℃, the rotating speed of a shaking table of 200 revolutions per minute and the culture time of 36 hours, and collecting zymogen liquid.

The culture conditions of the high-temperature actinomycetes are as follows: scraping 1-ring lawn from the slant of a fresh test tube of high-temperature actinomycetes, inoculating the lawn on a 250ml triangular flask, culturing in 45ml of Gao's No. 1 culture medium at 29 ℃, with the rotation speed of a shaking table of 200 r/min for 60 hours, and collecting zymogen liquid.

3) The carrier absorbs strains: adjusting the water content of the microbial carrier obtained in the step 1), and measuring the water content by a hygrometer to control the relative humidity to be 75% for adsorbing the cultured strains. And step 2), mixing five strains of bacillus amyloliquefaciens, saccharomyces vitis, bacillus subtilis, bacillus licheniformis and high-temperature actinomyces according to the volume ratio of the cultured liquid of 1:2:1:2:1 to obtain the liquid strain. Then adsorbing 300 ml of liquid strain according to 10kg of microbial carrier, standing for curing at normal temperature for 3 days after adsorption, and finishing the preparation.

4) Treating the kitchen waste: collecting food waste, and manually sorting and removing solid impurities such as plastics, disposable chopsticks and tableware, metal bottle caps and the like. And performing solid-liquid separation on the sorted food waste to separate oil-water liquid in the food waste so as to obtain solid food. Adding 1kg of microbial complex inoculant into 1000kg of sorted oil-water-removed kitchen solid matters, uniformly mixing, and treating at 60 ℃ for 4 days to obtain the kitchen organic fertilizer.

The kitchen organic fertilizer finally obtained in the example 2 is detected (with reference to national standard NY525-2020 organic fertilizer), and the detection result is shown in Table 2.

TABLE 2

Similarly, after the carrier is adopted to adsorb five bacteria, the synergistic effect of the strains is obvious and is better than the treatment effect of four bacteria, and the organic fertilizer has obvious superiority on key indexes such as effective viable count, organic matters, total nitrogen, total nutrients and the like.

The statements in this specification merely set forth a list of implementations of the inventive concept and the scope of the present invention should not be construed as limited to the particular forms set forth in the examples.