CN111517837A - Livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer and preparation method thereof - Google Patents
Livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/10—Addition or removal of substances other than water or air to or from the material during the treatment
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention belongs to the technical field of cultivation, and discloses a livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer and a preparation method thereof, wherein the livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer is composed of livestock and poultry manure, furfural residue, 2-5 parts of lactobacillus acidophilus bacterial liquid, 2-4 parts of bacillus subtilis, 0-3 parts of bacillus amyloliquefaciens, 2-5 parts of bacillus megatherium, 1-3 parts of bacillus cereus and 0-2 parts of mould bacterial liquid. The organic fertilizer can improve soil and organic matters; the deodorization is carried out in one step, the efficiency reaches more than 85 percent, and the air quality is improved; the temperature is raised quickly and reaches more than 70 ℃ in 2-3 days, the water in the livestock and poultry manure and the furfural residues can be removed quickly, the fermentation lasts for about 15 days, and the water content of the mixed material reaches about 35%; simultaneously eliminating the environmental pollution sources of the two wastes; the killing rate of escherichia coli of the fermented product exceeds 99.99 percent, and heavy metals are solidified.
Description
Technical Field
The invention belongs to the technical field of cultivation, and particularly relates to a livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer and a preparation method thereof.
Background
At present, along with the increasing enlargement of the scale of the breeding industry, the pollution of the waste generated by pig farms to the environment is increased, wherein the pollution is typified by waste water pollution, livestock and poultry manure treatment and odor generated in the breeding process. The livestock manure contains a large amount of harmful substances such as ammonia, hydrogen sulfide, urate, indole, amine, pathogenic bacteria and insect eggs, and if the livestock manure is discharged randomly without treatment, the harmful substances easily enter the atmosphere, water and soil, so that the surrounding environment and the human health are affected, and the very fragile ecological environment of China is directly threatened. The livestock and poultry manure also contains high-content organic matters, nitrogen, phosphorus and other nutrient substances which are potential pollutants of surface water and underground water and can cause eutrophication of water bodies and death of aquatic animals such as fishes and shrimps; a large amount of heavy metal elements are contained in the livestock and poultry manure, and the random stacking of the heavy metal elements can also cause the accumulation of the heavy metal in the environment; the piling of the livestock and poultry manure can cause a great deal of mosquito and fly breeding, influence the environmental sanitation and infect diseases. The method for producing the bio-organic fertilizer by using the pig manure not only solves the problem of environmental pollution caused by accumulation of a large amount of pig manure, but also provides necessary organic fertilizer for the development of green and organic agriculture in development, so that a practical and effective way for solving the possible environmental harm caused by the pig manure in a large-scale pig farm is found by the production of the pig manure organic fertilizer. However, the organic fertilizer produced by naturally composting the pig manure has long period, and because the carbon-nitrogen ratio of the pig manure is unreasonable, a large amount of nutrients are volatilized and lost in the composting process, and air pollution is caused.
In summary, the problems of the prior art are as follows: the existing livestock and poultry manure is insufficient in organic matters, materials with high organic matter content such as straws and rice bran need to be added, the added materials need to be firstly decomposed into micromolecular saccharides under the action of exogenous microorganisms to start the fermentation process, so that the required time is long, and the livestock and poultry manure can be heated to about 50 ℃ generally within about 5 days; during fermentation, the water content of the pig manure is high, the water removal period is long, a large amount of malodorous gas is generated in the process, and particularly, secondary pollution to the environment is easily caused by the gas mainly containing ammonia nitrogen; at present, furfural residues are mainly used and simply mixed with some components, and the furfural residues are easily decomposed in soil for too long time and are difficult to be absorbed by plants without fermentation treatment; in addition, the existing furfural residues are generally strong in acidity and have a certain acidification effect on soil, and the soil acidification can be caused after long-term use.
The main raw materials used by the invention are pig manure and sulfated furfural residues, the pH change range of the pig manure is 7.5-9.0 in the fermentation process, ammonia nitrogen compounds are easy to generate, the pH of the sulfated furfural residues is 5-6.5, after the pig manure and the sulfated furfural residues are mixed, exogenous beneficial microorganisms are added to carry out material fermentation in the acid-base reaction process, the direct control effect on the generation of malodorous gas can be realized, in addition, the proper pH can be favorable for the growth and the reproduction of the microorganisms, the obvious promotion effect on the rapid increase of the fermentation temperature and the maintenance of higher fermentation temperature can be realized, the high temperature plays an important role in killing pathogenic microorganisms, the decomposition of antibiotics and the adsorption of heavy metals, and the organic fertilizer prepared by the process has a certain promotion effect on the improvement of the crop germination rate and the soil nutrients.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer and a preparation method thereof. In particular to a pig manure composite sulfuric acid type furfural residue organic fertilizer and a preparation method thereof.
The invention is realized in such a way that the livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer is composed of 400-fold sand of livestock and poultry manure, 500-fold sand of furfural residue, 2-5 parts of lactobacillus acidophilus liquid, 2-4 parts of bacillus subtilis, 0-3 parts of bacillus amyloliquefaciens, 2-5 parts of bacillus megaterium, 1-3 parts of bacillus cereus and 0-2 parts of mould liquid.
Further, the furfural residue is composite sulfuric acid type furfural residue.
Furthermore, each gram of the lactobacillus acidophilus, the bacillus subtilis, the bacillus amyloliquefaciens, the bacillus megaterium and the bacillus cereus is 100-200 hundred million.
The invention also aims to provide a preparation method of the livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer, which comprises the following steps:
step one, mixing and stirring livestock and poultry manure and furfural residues uniformly, and performing composting fermentation;
step two, in the fermentation process, adding lactobacillus acidophilus, bacillus subtilis, bacillus amyloliquefaciens, bacillus megaterium and bacillus cereus into the mixed fermentation product of the livestock and poultry manure and the furfural residues, uniformly stirring, and continuing composting and fermenting; the temperature of the stage is 18.2 ℃ from the initial fermentation temperature, the continuous high temperature is kept, and the temperature is reduced to about 40 ℃, and the whole period is about 20 days;
after fermentation, adding mold bacterium liquid to continue fermentation to obtain the livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer; after 21 days, the mold solution was added at a temperature of about 40 ℃.
Further, in the first step, the fermentation pH of the stack fertilizer of the livestock and poultry manure and the furfural residue is 5-6.5; the pH value in the step three fermentation is 7.5-9.0.
The invention also aims to provide a pig manure composite sulfuric acid type furfural residue organic fertilizer which comprises 400-fold pig manure, 500-fold furfural residue, 2-5 parts of lactobacillus acidophilus liquid, 2-4 parts of bacillus subtilis, 0-3 parts of bacillus amyloliquefaciens, 2-5 parts of bacillus megaterium, 1-3 parts of bacillus cereus and 0-2 parts of mould liquid.
Further, the furfural residue is composite sulfuric acid type furfural residue.
Furthermore, each gram of the lactobacillus acidophilus, the bacillus subtilis, the bacillus amyloliquefaciens, the bacillus megaterium and the bacillus cereus is 100-200 hundred million.
The invention also aims to provide a preparation method of the pig manure composite sulfuric acid type furfural residue organic fertilizer, which comprises the following steps:
step one, mixing and stirring pig manure and furfural residues uniformly, and performing composting fermentation;
the temperature and time of the pig manure compost fermentation are shown in Table 1, and the temperature changes within 30 days of the fermentation period. Specific experimental data are as follows:
TABLE 1 compost temperature Change within 30 days of fermentation
Step two, in the fermentation process, adding lactobacillus acidophilus, bacillus subtilis, bacillus amyloliquefaciens, bacillus megaterium and bacillus cereus into the mixed fermentation product of the pig manure and the furfural residues, uniformly stirring, and continuing composting and fermenting; the temperature of the stage is 18.2 ℃ from the initial fermentation temperature, the continuous high temperature is kept, and the temperature is reduced to about 40 ℃, and the whole period is about 20 days.
And step three, after fermentation, adding mold bacterium liquid to continue fermentation, and obtaining the pig manure composite sulfuric acid type furfural residue organic fertilizer. After 21 days, the mold solution was added at a temperature of about 40 ℃.
Further, in the first step, the pH value of the fermented pig manure and the furfural residue compost is 5-6.5; the pH value in the step three fermentation is 7.5-9.0.
The strains related to the invention are purchased from China general microbiological culture Collection center, wherein lactobacillus acidophilus (Lactobacillus acidophilus), CGMCC No. 12453; bacillus subtilis (CGMCC: 1.15792); bacillus amyloliquefaciens (CGMCC No. 10011); bacillus megaterium (CGMCC: 1.9072); bacillus cereus (Bacillus cereus MA23) CGMCC No. 16015; the mold is Trichoderma koningii (Trichoderma neokonningii), CGMCC No. 13254.
The invention also aims to provide an application of sulfur generated in the decomposition process of the sulfated furfural residues and the livestock and poultry manure proteins in the organic fertilizer by using exogenously added sulfureted bacteria, wherein the exogenously added sulfureted bacteria convert hydrogen sulfide generated in the decomposition process of the sulfated furfural residues and the livestock and poultry manure proteins into sulfate radicals, and are fixed in the livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer, and the sulfureted bacteria are coincident bacteria consisting of lactobacillus acidophilus, bacillus subtilis, bacillus amyloliquefaciens, bacillus megaterium and bacillus cereus.
In summary, the advantages and positive effects of the invention are: according to the invention, the furfural residues are utilized to remove odor of excrement, and simultaneously, the furfural residues also contain a large amount of organic matters, so that the problem of insufficient organic matters of livestock and poultry excrement can be solved, and the furfural residues are over-acidic substances, so that residual protein of the livestock and poultry excrement can be decomposed and converted into amino acid and polypeptide substances at the early stage of mixed fermentation of the livestock and poultry excrement; according to the invention, the sulfated furfural residues are added, so that residual cellulose and lignin in the excrement can have the functions of acidification and hydrolysis, and the later-stage microbial decomposition is easy. During the decomposition process, the temperature of fermentation and the fermentation rate can be increased under the action of acidophilic microorganisms.
The invention can meet the requirements of low temperature and low pH value rapid temperature rise fermentation by adding lactobacillus acidophilus, bacillus subtilis, bacillus amyloliquefaciens, bacillus megaterium, bacillus cereus and mould fungus liquid.
The organic fertilizer can improve soil and organic matters; the deodorization is carried out in one step, the efficiency reaches more than 85 percent, and the air quality is improved; the temperature is raised quickly and reaches more than 65 ℃ in 3-5 days, the water in the livestock and poultry manure and the furfural residues can be removed quickly, the fermentation lasts for about 15 days, and the water content of the mixed material reaches about 35%; simultaneously eliminating the environmental pollution sources of the two wastes; the killing rate of escherichia coli of the fermented product exceeds 99.99 percent, and heavy metals are solidified.
Compared with the prior art, the invention has the advantages that:
firstly, the invention fully utilizes the nutrient components of the organic wastes, namely the livestock and poultry manure and the furfural residues; thirdly, the reasonable collocation of the nitrogen source of the livestock and poultry manure and the organic matter of the furfural residue is utilized to regulate and control the C/N ratio to be between 20 and 30, so that the fermentation is started conveniently; secondly, the acidity of the sulfated furfural residues is utilized, so that the acidic furfural residues can directly generate acid-base neutralization with ammonia gas of livestock and poultry manure, and the acidic furfural residues are favorable for controlling the emission of odor, particularly ammonia gas; moreover, the addition of exogenous microorganisms is easy to decompose organic matters, so that the fermentation efficiency is improved, the fermentation process can be completed after 15 days, and the C/N ratio can reach about 15; moreover, the invention can convert hydrogen sulfide generated in the decomposition process of the sulfated furfural residues and the livestock and poultry manure proteins into sulfate radicals by using the externally added sulfurous bacteria, can reduce the emission of odor, and fixes sulfur in the organic fertilizer.
Drawings
FIG. 1 is a flow chart of a preparation method of a pig manure composite sulfuric acid type furfural residue organic fertilizer provided by the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The organic matter of present animal manure is not enough, utilizes animal manure to ferment simultaneously and can lead to the air quality not good, and simple compost method carries out excrement and urine fermentation simultaneously, and the temperature rise time is long, and the difficult removal of moisture, and the escherichia coli content is too high in the fertilizer that the while fermentation obtained, can't solidify the heavy metal.
The invention provides a livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer which comprises 400-fold sand of livestock and poultry manure, 500-fold sand of furfural residue, 2-5 parts of lactobacillus acidophilus liquid, 2-4 parts of bacillus subtilis, 0-3 parts of bacillus amyloliquefaciens, 2-5 parts of bacillus megaterium, 1-3 parts of bacillus cereus and 0-2 parts of mould liquid.
The furfural residue is composite sulfuric acid type furfural residue.
Each gram of the lactobacillus acidophilus, the bacillus subtilis, the bacillus amyloliquefaciens, the bacillus megaterium and the bacillus cereus is 100 to 200 hundred million.
The invention provides a preparation method of a livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer, which comprises the following steps:
step one, mixing and stirring the dehydrated livestock and poultry manure and furfural residues uniformly, adjusting the water content to 60-65%, and performing composting fermentation.
And step two, in the fermentation process, adding a composite bacillus mixture of lactobacillus acidophilus, bacillus subtilis, bacillus amyloliquefaciens, bacillus megaterium and bacillus cereus into the mixed fermentation product obtained in the step one according to a certain proportion, uniformly stirring, and continuously performing composting fermentation.
And step three, after fermentation for a period of time (the fermentation time is determined according to actual conditions), adding mold bacteria liquid into the step two, and continuing fermentation to obtain the livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer.
In the first step, the fermentation pH of the stack fertilizer of the livestock manure and the furfural residue is 5-6.5; the pH value in the step three fermentation is 7.5-9.0.
The invention also provides a pig manure composite sulfuric acid type furfural residue organic fertilizer which comprises 400-fold sand of pig manure, 500-fold sand of furfural residue, 2-5 parts of lactobacillus acidophilus liquid, 2-4 parts of bacillus subtilis, 0-3 parts of bacillus amyloliquefaciens, 2-5 parts of bacillus megaterium, 1-3 parts of bacillus cereus and 0-2 parts of mould liquid.
The compound bacillus consists of lactobacillus acidophilus, bacillus subtilis, bacillus amyloliquefaciens, bacillus megaterium and bacillus cereus.
The furfural residue provided by the embodiment of the invention is composite sulfuric acid type furfural residue.
As shown in fig. 1, the preparation method of the organic fertilizer by using pig manure and sulfuric acid type furfural residue composite provided by the embodiment of the invention comprises the following steps:
s101, mixing and stirring the dehydrated pig manure and the furfural residues uniformly, adjusting the water content to be 60-65%, and performing composting fermentation.
And S102, in the fermentation process, adding a composite bacillus mixture of lactobacillus acidophilus, bacillus subtilis, bacillus amyloliquefaciens, bacillus megaterium and bacillus cereus into the mixed fermentation product of the S101 in proportion, uniformly stirring, and continuing composting and fermenting.
And S103, after fermentation for a period of time (the fermentation time is determined according to actual conditions), adding mould bacteria liquid into the S102, and continuing fermentation to obtain the pig manure composite sulfuric acid type furfural residue organic fertilizer.
Each gram of the lactobacillus acidophilus, the bacillus subtilis, the bacillus amyloliquefaciens, the bacillus megaterium and the bacillus cereus is 100 to 200 hundred million.
The invention is further described with reference to specific examples.
Example 1
The invention provides a pig manure composite sulfuric acid type furfural residue organic fertilizer which comprises 400 parts of pig manure, 300 parts of furfural residue, 2 parts of lactobacillus acidophilus liquid, 2 parts of bacillus subtilis, 2 parts of bacillus megaterium and 1 part of bacillus cereus.
The compound bacillus consists of lactobacillus acidophilus, bacillus subtilis, bacillus megaterium and bacillus cereus.
After the fifth day of fermentation, the temperature exceeds 65 ℃, after 30 days of fermentation, the temperature is reduced to below 40 ℃, the water content of the mixed material is 34 percent, the pH value is 6.8, the total content of nitrogen, phosphorus and potassium is more than 7, the organic matter content is 74, the color of the fermented material is light brown, the ammonia nitrogen removal rate exceeds 90 percent, the escherichia coli killing rate exceeds 99.99 percent, and the method can be directly used for preparing powder or granular organic fertilizers.
Example 2
The livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer provided by the invention comprises 600 parts of pig manure, 500 parts of furfural residue, 5 parts of lactobacillus acidophilus liquid, 4 parts of bacillus subtilis, 3 parts of bacillus amyloliquefaciens, 5 parts of bacillus megaterium, 3 parts of bacillus cereus and 2 parts of mould liquid.
The composite bacillus is composed of lactobacillus acidophilus, bacillus subtilis, bacillus amyloliquefaciens (CGMCC No.10011), bacillus megaterium and bacillus cereus.
After the fifth day of fermentation, the temperature exceeds 65 ℃, after 30 days of fermentation, the temperature is reduced to below 40 ℃, the water content of the mixed material is about 35%, the pH value is 6.4, the total content of nitrogen, phosphorus and potassium is more than 7, the organic matter content is 68, the color of the fermented material is light black, the ammonia nitrogen removal rate exceeds 90%, the escherichia coli killing rate exceeds 99.99%, and the method can be directly used for preparing powder or granular organic fertilizers.
Example 3
The livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer provided by the invention comprises 500 parts of pig manure, 400 parts of furfural residue, 3.5 parts of lactobacillus acidophilus liquid, 3 parts of bacillus subtilis, 1.5 parts of bacillus amyloliquefaciens, 3.5 parts of bacillus megaterium, 2 parts of bacillus cereus and 1 part of mould liquid.
The composite bacillus is composed of lactobacillus acidophilus, bacillus subtilis, bacillus amyloliquefaciens (CGMCC No.10011), bacillus megaterium and bacillus cereus.
After the fifth day of fermentation, the temperature exceeds 65 ℃, after 30 days of fermentation, the temperature is reduced to below 40 ℃, the water content of the mixed material is about 35 percent, the pH value is 6.9, the total content of nitrogen, phosphorus and potassium is more than 7, the organic matter content is 61, the color of the fermentable material is light brown and light black, the ammonia nitrogen removal rate exceeds 90 percent, the escherichia coli killing rate exceeds 99.99 percent, and the method is directly used for preparing powder or granular organic fertilizer.
Example 4
The invention provides a livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer which comprises 400 parts of livestock and poultry manure, 300 parts of furfural residue, 2 parts of lactobacillus acidophilus liquid, 2 parts of bacillus subtilis, 2 parts of bacillus megaterium and 1 part of bacillus cereus.
After the fifth day of fermentation, the temperature exceeds 65 ℃, after 30 days of fermentation, the temperature is reduced to below 40 ℃, the water content of the mixed material is about 33 percent, the pH value is 6.5, the total content of nitrogen, phosphorus and potassium is more than 7, the organic matter content is 63, the color of the fermented material is light brown, the ammonia nitrogen removal rate exceeds 90 percent, the escherichia coli killing rate exceeds 99.99 percent, and the method can be directly used for preparing powder or granular organic fertilizers.
Example 5
The invention provides a livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer which is composed of 600 parts of livestock and poultry manure, 500 parts of furfural residue, 5 parts of lactobacillus acidophilus liquid, 4 parts of bacillus subtilis, 3 parts of bacillus amyloliquefaciens, 5 parts of bacillus megaterium, 3 parts of bacillus cereus and 2 parts of mould liquid.
After the fifth day of fermentation, the temperature exceeds 65 ℃, after 30 days of fermentation, the temperature is reduced to below 40 ℃, the water content of the mixed material is about 33 percent, the pH value is 6.5, the total content of nitrogen, phosphorus and potassium is more than 7, the organic matter content is 64, the color of the fermentation raw material is brown or light black, the ammonia nitrogen removal rate exceeds 90 percent, the escherichia coli killing rate exceeds 99.99 percent, and the method can be directly used for preparing powder or granular organic fertilizers.
Example 6
The invention provides a livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer which is composed of 500 parts of livestock and poultry manure, 400 parts of furfural residue, 3.5 parts of lactobacillus acidophilus liquid, 3 parts of bacillus subtilis, 1.5 parts of bacillus amyloliquefaciens, 3.5 parts of bacillus megaterium, 2 parts of bacillus cereus and 1 part of mould liquid.
After the fifth day of fermentation, the temperature exceeds 65 ℃, after 30 days of fermentation, the temperature is reduced to below 40 ℃, the water content of the mixed material is about 33 percent, the pH value is 6.5, the total content of nitrogen, phosphorus and potassium is more than 7, the organic matter content is 64, the color of the fermentation raw material is brown or light black, the ammonia nitrogen removal rate exceeds 90 percent, the escherichia coli killing rate exceeds 99.99 percent, and the method can be directly used for preparing powder or granular organic fertilizers.
The present invention will be further described with reference to specific experimental effects.
TABLE 2 changes of ammonia nitrogen and fecal Escherichia coli before and after fermentation
Table 2 shows the change of ammonia nitrogen and fecal coliform removal rate before and after the fermentation of the composite phosphate furfural residue of livestock and poultry or pig manure, through the implementation of the process, 91.08% of ammonia nitrogen in the livestock and poultry or pig manure can be effectively removed, and more than 99.99% of fecal coliform can be killed.
TABLE 3 antibiotic removal Rate
And detecting the contents of oxytetracycline, tetracycline, chlortetracycline and chloramphenicol in the finished fertilizer by adopting liquid chromatography (HPLC).
For blank (livestock and poultry or pig manure), experiment 1 (livestock and poultry or pig manure + furfural residue), and experiment 2 (livestock and poultry or pig manure + furfural residue + bacillus compositus + mold), oxytetracycline, tetracycline, chlortetracycline and chloramphenicol were detected respectively, and the detection results are shown in table 2.
TABLE 3 antibiotic removal Rate
| Oxytetracycline (mg/kg) | Tetracycline (mg/kg) | Aureomycin (mg/kg) | Chloramphenicol (mg/kg) | |
| Blank space | 106.5 | 28.9 | 19.4 | - |
| Experiment 1 | 43.8 | 12.4 | 8.3 | - |
| Experiment 2 | 13.2 | 8.3 | 5.4 | - |
In Table 3-not detected
As shown in Table 3, the contents of oxytetracycline, tetracycline, aureomycin and chloramphenicol cannot be effectively reduced in practice due to the increase of the mixing ratio when the livestock and poultry manure or the pig manure is mixed with the sulfated furfural residues; according to experiment 2, the content of the antibiotics is obviously reduced after the mixture is fermented at high temperature under the action of the composite bacillus and the mould.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer is characterized by consisting of 400-600 parts of livestock and poultry manure, 500 parts of furfural residue, 2-5 parts of lactobacillus acidophilus liquid, 2-4 parts of bacillus subtilis, 0-3 parts of bacillus amyloliquefaciens, 2-5 parts of bacillus megaterium, 1-3 parts of bacillus cereus and 0-2 parts of mould liquid.
2. The livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer as claimed in claim 1, wherein the furfural residue is composite sulfuric acid type furfural residue.
3. The livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer as claimed in claim 1, wherein each gram of the lactobacillus acidophilus, the bacillus subtilis, the bacillus amyloliquefaciens, the bacillus megaterium and the bacillus cereus is 100-200 hundred million.
4. A preparation method of the livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer for preparing the livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer as defined in any one of claims 1 to 3 is characterized by comprising the following steps of:
step one, mixing and stirring livestock and poultry manure and furfural residues uniformly, and performing composting fermentation;
step two, in the fermentation process, adding lactobacillus acidophilus, bacillus subtilis, bacillus amyloliquefaciens, bacillus megaterium and bacillus cereus into the mixed fermentation product of the livestock and poultry manure and the furfural residues, uniformly stirring, and continuing composting and fermenting; the temperature of the stage is 18.2 ℃ from the initial fermentation temperature, the continuous high temperature is kept, and the temperature is reduced to about 40 ℃, and the whole period is about 20 days;
after fermentation, adding mold bacterium liquid to continue fermentation to obtain the livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer; after 21 days, the mold solution was added at a temperature of about 40 ℃.
5. The method for preparing the livestock manure composite sulfuric acid type furfural residue organic fertilizer as claimed in claim 4, wherein in the first step, livestock manure and furfural residue compost are fermented at the pH of 5-6.5; the pH value in the third step of fermentation is 7.5-9.0.
6. The pig manure composite sulfuric acid type furfural residue organic fertilizer is characterized by consisting of 400-fold sand of pig manure, 500-fold sand of furfural residue, 2-5 parts of lactobacillus acidophilus liquid, 2-4 parts of bacillus subtilis, 0-3 parts of bacillus amyloliquefaciens, 2-5 parts of bacillus megatherium, 1-3 parts of bacillus cereus and 0-2 parts of mould liquid.
7. The pig manure composite sulfuric acid type furfural residue organic fertilizer as claimed in claim 6, wherein the furfural residue is composite sulfuric acid type furfural residue;
each gram of the lactobacillus acidophilus, the bacillus subtilis, the bacillus amyloliquefaciens, the bacillus megaterium and the bacillus cereus is 100 to 200 hundred million.
8. A preparation method of the pig manure composite sulfuric acid type furfural residue organic fertilizer as claimed in any one of claims 6 to 7, wherein the preparation method of the pig manure composite sulfuric acid type furfural residue organic fertilizer comprises the following steps:
step one, mixing and stirring pig manure and furfural residues uniformly, and performing composting fermentation;
step two, in the fermentation process, adding lactobacillus acidophilus, bacillus subtilis, bacillus amyloliquefaciens, bacillus megaterium and bacillus cereus into the mixed fermentation product of the pig manure and the furfural residues, uniformly stirring, and continuing composting and fermenting;
and step three, after fermentation, adding mold bacterium liquid to continue fermentation, and obtaining the pig manure composite sulfuric acid type furfural residue organic fertilizer.
9. The preparation method of the pig manure composite sulfuric acid type furfural residue organic fertilizer as claimed in claim 8, wherein in the first step, the fermentation pH of the pig manure and the furfural residue compost is 5-6.5; the pH value in the step three fermentation is 7.5-9.0.
10. The application of the exogenously added sulfureted bacteria in the organic fertilizer of any one of claims 1 to 3 to decompose the sulfureted furfural residue and the livestock and poultry manure protein, wherein the exogenously added sulfureted bacteria convert hydrogen sulfide generated in the decomposition process of the sulfated furfural residue and the livestock and poultry manure protein into sulfate radicals, and are fixed in the livestock and poultry manure composite sulfuric acid type furfural residue organic fertilizer, and the sulfureted bacteria are composite bacteria consisting of lactobacillus acidophilus, bacillus subtilis, bacillus amyloliquefaciens, bacillus megaterium and bacillus cereus.
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Application publication date: 20200811 |