CN115231977A - Excrement, excrement urine and urine treatment liquid, preparation process and application thereof - Google Patents
Excrement, excrement urine and urine treatment liquid, preparation process and application thereof Download PDFInfo
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- CN115231977A CN115231977A CN202210829326.XA CN202210829326A CN115231977A CN 115231977 A CN115231977 A CN 115231977A CN 202210829326 A CN202210829326 A CN 202210829326A CN 115231977 A CN115231977 A CN 115231977A
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- excrement
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- fecaluria
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- 229920001661 Chitosan Polymers 0.000 claims abstract description 49
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- 206010059410 Faecaluria Diseases 0.000 claims description 33
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- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 1
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- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- 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
-
- 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
-
- 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
- C05G3/80—Soil conditioners
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Plant Pathology (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to a liquid for treating feces, feces and urine and a preparation process and application thereof, comprising wood vinegar and chitosan, wherein the wood vinegar comprises 100 parts by weight of the chitosan and 0.5-5 parts by weight of the chitosan. The preparation process adopts the steps of mixing wood vinegar liquid and chitosan to prepare excrement, excrement urine and urine treatment liquid, and the excrement, excrement urine and urine treatment liquid is used for stable protective rapid treatment application of organic matters in source excrement urine, and the source excrement urine liquid treated by the excrement, excrement urine and urine treatment liquid is prepared into the biological fertilizer for directly fertilizing crops. Has the advantages that: the invention carries out protective treatment on source excrement and urine, and can be matched with an urban and rural excrement and urine separation and collection and resource utilization system to realize resource application of the excrement and urine bio-organic fertilizer.
Description
Technical Field
The invention belongs to the technical field of bio-organic fertilizers, and particularly relates to a treatment liquid for excrement, excrement and urine, a preparation process and application thereof.
Background
At present, in the strategic plan of promoting the sustainable development of green agriculture, china keeps ecological civilization and strives to build modernization of harmonious symbiosis between people and nature, and excrement and urine are treated by a septic tank, directly discharged to a municipal sewage network and then conveyed to a sewage treatment plant for harmless treatment. The sewage which enters a sewage plant and is treated to reach the standard or not to reach the standard is directly discharged to rivers, lakes and seas to cause eutrophication of water bodies, so that microorganisms and aquatic plants in the rivers are excessively propagated to consume a large amount of oxygen, ecological balance is destroyed, and the water quality of the rivers, lakes and seas is greatly reduced.
At present, a great amount of chemical fertilizers are used in agricultural production, so that the tradition of returning excrement and urine for thousands of years is changed, and the source excrement and urine is a beneficial resource for improving the yield and quality of crops, and becomes a pollution source for damaging the environment.
The struggle goal of farming is to increase the amount of fertilizer and pesticide used to zero. The method has to be vigorously popularized, and the feces and urine treated by biochemical treatment are treated into organic fertilizer to be returned to the field, so that the pollution source of the feces and urine is thoroughly changed into useful resources. For many years, the method for preparing the organic fertilizer from the livestock manure and urine in the research and development field generally adopts a methane tank or a biological enzyme decomposition process. For example, patent document CN 103304286A discloses a process for producing organic fertilizer in dairy farm, which comprises the following main steps: pre-anaerobic fermentation of cow dung and urine; carrying out dry-wet separation on the cow dung urine; sending the wastewater into a methane tank for treatment; the dry cow dung, the biogas slurry, the chicken manure, the microbial agent and the straw powder are mixed according to the weight ratio of 6.5:1:1:0.0000105:1.5, evenly mixing; placing the mixture into a fermentation tank for anaerobic fermentation; performing secondary fermentation; obtaining an organic fertilizer; by adopting the organic fertilizer production process provided by the technical scheme of the invention, the cow dung and urine can be changed into the organic fertilizer so as to solve the pollution of the organic fertilizer. Patent document with application publication number CN 103232148A discloses a method and device for converting human excrement and urine in rural schools into environment-friendly energy and organic fertilizer, which is mainly technically characterized in that: the sewage pump is used for sucking the excrement in the excrement-urine pool of the rural toilet to the tower type methane tank to generate methane for people to use, and then the self gravity of the fermented excrement which becomes the organic environment-friendly fertilizer is used for discharging the organic environment-friendly fertilizer in the tower type methane tank by utilizing the characteristic that the tower type methane tank is higher than the ground.
Human feces contained about 1% nitrogen (mainly protein nitrogen), 0.5% phosphorus (calculated as phosphorus pentoxide) and 0.4% potassium (calculated as potassium oxide). Human urine contains about 0.5% nitrogen (mainly urea), 0.1% phosphorus and 0.2% potassium. Farmyard manure needs to be applied after being decomposed. Human excrement and urine are equivalent to the excrement of livestock and poultry, and belong to farmyard manure. Since human excrement contains a large amount of germs, worm eggs and other harmful substances, if the human excrement is not subjected to harmless treatment, soil, air, water sources and crops can be polluted, diseases can be further spread, and serious harm is brought to the health of people, livestock and poultry, so that the human excrement and the urine can be applied only by the harmless treatment, wherein high-temperature composting is one treatment mode. Should be shaded and covered during the decomposition process, and not be mixed with alkaline substances such as plant ash, lime and the like, so as to prevent the loss of ammonia. Soil is also often mixed with the soil and piled up to form soil manure. Compared with chemical fertilizer, human excrement has the advantages of wide source, complete nutrients, fast and lasting fertilizer effect, capacity of improving soil, low cost, etc. and may be used as additional fertilizer and base fertilizer. The manure is a good natural resource, and the condition that the soil is not manure is equal to blind wild and one flower is grain and is taken as a house by the manure is adopted. Traditional agriculture has demonstrated this. However, the traditional fertilizer retting method has low resource utilization rate and high labor cost. Although efforts have been made for a long time to explore how to convert sources of fecal and urine contamination into useful fertilizer resources, favorable effects have been shown. The current excrement and urine of handling the animal mainly solves the peripheral environmental pollution problem of breeding, and some three tons of animal fermented fertilizer in one mu of land, the cost is very high, can't promote. The current situation of a fecaluria pollution source cannot be changed because the recycling of the fecaluria organic fertilizer cannot be realized because the production chain of collecting fecaluria, concentrating and preparing the organic fertilizer in cities is difficult to form.
Disclosure of Invention
The invention aims to overcome the defects of the technology and provide the excrement, the excrement urine and the urine treatment liquid, the preparation process and the application thereof.
In order to realize the purpose, the invention adopts the following technical scheme: a liquid for treating excrement, urine and urine is prepared from wood vinegar and chitosan through proportionally mixing,
100 portions of wood vinegar
0.5-5 parts of chitosan.
A preparation process of excrement, fecaluria and urine treatment liquid adopts a mixture of wood vinegar and chitosan to prepare the excrement, the fecaluria and the urine treatment liquid, and comprises the following specific steps:
1) According to the weight ratio, 0.5-5 parts of chitosan solid raw material is taken and crushed into powder;
2) Putting powdery chitosan into a stirring reaction kettle, adding a small amount of wood vinegar, stirring to form a pasty mixture, and then adding 100 parts of wood vinegar according to the proportion while stirring to form a mixture, wherein the stirring speed is 5-50 r/s, and the stirring time is 2-4 hours;
3) And (3) after a mixture is formed in the stirring reaction kettle, heating at the temperature of 45-55 ℃ for 1-2 hours to form mixture liquid, and monitoring by using a concentration tester to show that the liquid concentration reaches 30%. -60%. (ii) a
4) And (3) filtering: filtering with a filter screen of 40-80 meshes to prepare the excrement, the fecaluria and the urine treatment liquid.
Furthermore, an ultrasonic generator is matched in the stirring reaction kettle to accelerate the reaction.
Furthermore, the excrement, the fecaluria and the urine treatment liquid are used for stably and protectively rapidly treating and applying organic matters in source fecaluria, and the source fecaluria liquid treated by the excrement, the fecaluria and the urine treatment liquid is used for preparing a biological fertilizer for directly fertilizing crops.
Has the beneficial effects that: the excrement, the fecaluria and the urine treatment liquid can thoroughly change the current situation of a fecaluria pollution source, and the most important characteristic is that the fecaluria liquid treated by the excrement, the fecaluria and the urine treatment liquid can be prepared into the bio-organic fertilizer without fermentation. The traditional process that the organic fertilizer is produced and can be used for fertilization in farmlands after fermentation is completely changed. The invention has popularization effect on realizing the social centralized management mode of adopting the non-flushing sanitary appliance to the source excrement, the excrement and the urine and further popularizing the application of the urine organic fertilizer resource in the society. The treatment cost of source excrement and urine is very low, and the produced organic fertilizer has high value and cost performance. One kilogram of fresh urine can be used for foliar fertilizer of one mu of land, the effect of nitrogen fertilizer is remarkable, the urine treatment reaction is rapid, and the cost of adding materials is only a few minutes. Urine is treated from the source, so that the sterilization and deodorization effects are achieved, and effective substances in excrement, excrement and urine can be stabilized.
Drawings
FIG. 1 is a block diagram of a fabrication process of the present invention.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, and the embodiments described are merely some, but not all embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The invention provides a treatment solution for excrement, urine and feces, which comprises wood vinegar and chitosan, and comprises the following components in parts by weight,
100 portions of wood vinegar
0.5-5 parts of chitosan.
Referring to the attached figure 1 in detail, a process for preparing a treatment solution of feces, feces and urine, which adopts a mixture of wood vinegar and chitosan to prepare the treatment solution of feces, feces and urine, comprises the following steps:
1) According to the weight ratio, 0.5-5 parts of chitosan solid raw material is taken and crushed into powder;
2) Putting powdery chitosan into a stirring reaction kettle, adding a small amount of wood vinegar, stirring to form a pasty mixture, and adding 100 parts of wood vinegar into the stirring reaction kettle while stirring in proportion to form a mixture, wherein the stirring speed is 5-50 r/s, and the stirring time is 2-4 hours;
3) And (3) after a mixture is formed in the stirring reaction kettle, heating at the temperature of 45-55 ℃ for 1-2 hours to form mixture liquid, and monitoring by using a concentration tester to show that the liquid concentration reaches 30%. -60%. (ii) a
4) And (3) filtering: filtering with a filter screen of 40-80 meshes to prepare the excrement, the fecaluria and the urine treatment liquid.
The preferred scheme of the invention is that the reaction can be accelerated by matching with an ultrasonic generator in a stirring reaction kettle.
The invention has the preferred scheme that the excrement, the fecaluria and the urine treatment liquid are used for the stable protective rapid treatment application of organic matters in source fecaluria, and the source fecaluria liquid treated by the excrement, the fecaluria and the urine treatment liquid is adopted to prepare the biological fertilizer for directly fertilizing crops.
Efficacy of the various Components of the invention
The chitosan has the characteristics that: the chitosan has stronger antibacterial property, can not only ensure that crops grow well and plants are robust, and enhance photosynthesis, but also has obvious effect on resisting stress and diseases and insect pests.
Characteristics of wood vinegar:
the wood vinegar can be used as a disinfectant for soil, can effectively inhibit the reproduction of microorganisms which hinder the growth of plants, can kill root knot nematodes and the like, has a deodorization function, can be sprayed to places with peculiar smell such as toilets and the like, and can eliminate peculiar smell and keep air fresh.
The chitosan is the only organic matter with positive electricity, the main component of the wood vinegar is water, and the rest is organic acid. Therefore, the bio-organic fertilizer treatment solution prepared by synthesizing the chitosan and the pyroligneous liquor has the connotation completely different from that of various novel fertilizers at present.
1. The method has the advantages that the manure and the urine are processed from the source at low cost, the manure and the urine are prepared into the organic fertilizer, the recycling can be realized from the source by matching with an urban manure collecting system, and the pollution source of the manure and the urine is changed into a useful resource;
2. the function of inhibiting harmful bacteria is realized, and organic matters in the excrement and urine are quickly stabilized;
3. the excrement, the fecaluria and the urine treatment fluid prepared by the chitosan and the wood vinegar have the biological antibody function;
4. excrement, excrement and urine treatment liquid prepared from chitosan and pyroligneous are acidic substances, and then the acidic substances are added into fresh excrement and urine according to a fixed amount, and the treated excrement and urine liquid forms a weakly acidic liquid fertilizer which forms weak alkalinity in the using process under the natural environment, so that the function of adjusting the pH value of soil is achieved, the fertilizer is better suitable for soil improvement, and the growth of plants is met and promoted;
5. the feces, the feces and the urine treatment liquid prepared by adding chitosan and wood vinegar liquid into the feces and the urine have the function of fixing nitrogen, wherein the nitrogen comprises nitrogen in the air.
The chitin is from shells and cell walls of animals such as shrimps, crabs and the like in the nature, the annual output of the chitin is only second to that of cellulose, the preparation process is simple, and the chitosan is a product of removing part of caproyl of the natural polysaccharide chitin, has biodegradability, biocompatibility and nontoxicity, and is widely applied to the fields of agriculture, environmental protection, biomedicine and the like.
Chitosan is dissolved in an acid solution to form a positively charged cationic group, and is a positively charged polyelectrolyte in the solution, which is the only positively charged substance in the nature and has strong adsorbability.
The chitosan and organic acid composite material is a composite obtained by mutually linking chitosan and organic acid.
The chitosan can be linked with various organic acids, but the action and the effect are different, for example, the chitosan is compounded with organic acids such as citric acid, malic acid and the like, and can be applied to a solution for removing chromium.
Because the chitosan is dissolved in acidic substances, and because the chitosan has biodegradability, biocompatibility and strong adsorbability. The wood vinegar is biological organic acid and has the function of biological antibody, so the organic fertilizer treatment liquid prepared by mixing according to the properties and the functions of the chitosan and the wood vinegar can fully exert the aim of performing protective treatment on excrement, urine and urine from the source, and can fully exert the effect in the aspect of planting. The method has the advantages that the combined function of two substances is adopted, the source protective treatment of the fecaluria resource can be realized, the propagation of harmful bacteria and the stabilization of the substances are controlled, the stable and effective play function is realized in the growth period of crops, the source fecaluria is subjected to protective treatment by using excrement, fecaluria and urine treatment liquid, the prepared biological fertilizer is used as a base fertilizer, a certain amount of different auxin is compounded according to the requirements of land and planting, and if the dispersing agent can be properly added according to the requirements of crop absorption, the effect more suitable for the growth of crops is achieved.
Experimental data
The optimal weight ratio range of the chitosan is 0.5-5 parts according to the saturation degree and economic rationality of the chitosan when the chitosan is mixed with wood vinegar.
Example 1
A liquid for treating excrement, urine and excrement contains wood vinegar and chitosan in a certain weight ratio (Kg),
100Kg of wood vinegar and 0.5Kg of chitosan. In this example, 0.5Kg of chitosan is the lowest limit.
Example 2
A liquid for treating excrement, urine and excrement contains wood vinegar and chitosan in a certain weight ratio (Kg),
100Kg of wood vinegar and 5Kg of chitosan.
Example 3
The best proposal is that the excrement, fecaluria and urine treatment fluid comprises wood vinegar and chitosan according to the weight ratio (Kg),
100Kg of wood vinegar and 1Kg of chitosan.
The preparation method of the above example: the method is characterized in that a liquid for protectively treating source excrement and urine is prepared from a mixture of wood vinegar and chitosan, and comprises the following specific steps: according to the weight ratio (Kg)
1) 0.5Kg, 1Kg or 5Kg of chitosan solid raw material is taken according to the weight and crushed into powder;
2) Putting powdery chitosan into a stirring reaction kettle, adding a small amount of wood vinegar to form a pasty mixture, and then adding 100Kg of wood vinegar to the pasty mixture while stirring according to a proportion at a stirring speed of 5 revolutions per second, 50 revolutions per second or 30 revolutions per second for 2-4 hours;
3) And (3) after a mixture is formed in the stirring reaction kettle, heating at the temperature of 45-55 ℃ for 1-2 hours to form a mixture liquid, monitoring the liquid concentration by using a concentration tester in an experiment, wherein the concentration value of an instrument panel is displayed as a molar concentration ratio of 1.045/1.37/1.024 or a concentration value of 60 percent respectively. And 36 percent. And/30 percent. (ii) a
4) And (3) filtering: filtering with a filter screen of 40-80 meshes to prepare the excrement, the excrement and the urine treatment liquid.
Field crop test:
a one kilogram urine bio-fertilizer for treating excrement and urine protectively is used for transplanting rice seedlings, the pH value is adjusted, and a mode of dipping rice seedlings in liquid fertilizer is adopted. Applying four kilograms of urine fertilizer per mu, observing the effect of yield increase and observing the growth state of the root system according to the seedling revival and tillering effects.
The experiment comparison of the urine treatment and the fermented urine in the organic pot vegetable greenhouse planting process disclosed by the invention comprises the following steps:
the organic pot vegetable greenhouse planting adopts fermented urine sprayed every 3 days as foliar fertilizer, the growth is general, the most prominent harm is the appearance of a large amount of cabbage caterpillars, pesticides are sprayed for killing the cabbage caterpillars, and enterprise loss is caused by fine due to excessive pesticide;
the urine treatment liquid is changed into the biological organic fertilizer, one kilogram of fresh urine is treated, the biological organic fertilizer can be used for foliar fertilizer of one mu of land, the effect of nitrogen fertilizer is remarkable, the reaction of treating urine is rapid, the biological fertilizer is more favorable for the absorption of plants, no insect pests exist, potted vegetables which are ripe in thirty or more days of the growth period can be ripe in advance for more than ten days, and green vegetables without pesticides can be ripe. The cost of adding material is only a few cents. Urine is treated from the source, so that the sterilization and deodorization effects are achieved, and effective substances can be stabilized. In field test, the slow and quick release of the biological compound urine fertilizer is realized, and seedlings and roots are not burned.
In the wheat filling stage, urine fertilizer treated from the source is sprayed, and the yield is increased by 5 percent after the comparison of the weight of thousand grains is finished.
Principle of the invention
The method utilizes the principle of biophysics to prepare the pyroligneous and the only positively charged chitosan into the mixture of the organic matters, can stably and rapidly carry out protective treatment on the source excrement and urine organic matters, and realizes that plants resist harmful bacteria without damaging the biological functions of beneficial bacteria. Namely, the biological antibody stably and slowly plays a function, and the effective utilization of the plant growth period is realized.
The source fecal treatment of the invention thoroughly changes the traditional fermentation process and lays a foundation for realizing effective fecal recycling. For the current household growers, excrement, urine and urine generated by the household growers can be collected from the source according to the needs of all plants, and are changed into organic fertilizers after treatment liquid is added, so that the household planting needs are met.
The above detailed description of a fecal, fecal and urine treatment fluid and the process for its preparation and its use with reference to the examples is illustrative and not restrictive, and several examples are set forth within the scope of the invention, thus changes and modifications that do not depart from the general concept of the invention are intended to be within the scope of the invention.
Claims (4)
1. A fecal, fecaluria and urine treatment fluid, characterized by: comprises wood vinegar and chitosan, and comprises the following components in parts by weight,
pyroligneous liquor 100 weight portions
0.5-5 parts of chitosan.
2. A preparation process of excrement, fecaluria and urine treatment fluid is characterized in that: the method adopts a mixture of pyroligneous acid and chitosan to prepare the excrement, the fecaluria and the urine treatment fluid, and comprises the following specific steps:
1) According to the weight ratio, 0.5-5 parts of chitosan solid raw material is taken and crushed into powder;
2) Putting powdery chitosan into a stirring reaction kettle, adding a small amount of wood vinegar, stirring to form a pasty mixture, and then adding 100 parts of wood vinegar according to the proportion while stirring to form a mixture, wherein the stirring speed is 5-50 r/s, and the stirring time is 2-4 hours;
3) After a mixture is formed in the stirred reaction kettle, heating is started, the heating temperature is 45-55 ℃, the heating time is 1-2 hours, mixture liquid is formed, and a concentration tester is adopted to monitor and display that the concentration of the liquid reaches 0.30-0.60%;
4) And (3) filtering: filtering with a filter screen of 40-80 meshes to prepare the excrement, the excrement and the urine treatment liquid.
3. The process for preparing a liquid treatment of excrements, fecaluria and urine according to claim 2, which is characterized in that: and (3) in the stirring reaction kettle, matching with an ultrasonic generator to accelerate the reaction.
4. The application of the excrement, the fecaluria and the urine treatment fluid is characterized in that: the excrement, the fecaluria and the urine treatment liquid of any one of claims 1 to 3 are used for protective rapid treatment application for stabilizing organic matters in source fecaluria, and the source fecaluria liquid treated by the excrement, the fecaluria and the urine treatment liquid is used for preparing a biological fertilizer for directly fertilizing crops.
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Citations (2)
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| KR20050108820A (en) * | 2004-05-13 | 2005-11-17 | 김점선 | Manufacturing method of liquid fertilizer using excretion |
| CN107509640A (en) * | 2017-09-15 | 2017-12-26 | 彭鸿博 | A kind of method of wooden vinegar stoste processing pig house fecaluria |
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- 2022-07-15 CN CN202210829326.XA patent/CN115231977A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050108820A (en) * | 2004-05-13 | 2005-11-17 | 김점선 | Manufacturing method of liquid fertilizer using excretion |
| CN107509640A (en) * | 2017-09-15 | 2017-12-26 | 彭鸿博 | A kind of method of wooden vinegar stoste processing pig house fecaluria |
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| 季正俊: "特色保健植物青刺果规范化栽培及综合开发利用", 30 June 2022, 云南科技出版社, pages: 58 * |
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