CN112400898A - Bactericidal insecticide and its preparing method and use - Google Patents
Bactericidal insecticide and its preparing method and use Download PDFInfo
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- CN112400898A CN112400898A CN202011161247.3A CN202011161247A CN112400898A CN 112400898 A CN112400898 A CN 112400898A CN 202011161247 A CN202011161247 A CN 202011161247A CN 112400898 A CN112400898 A CN 112400898A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
Abstract
The invention provides a preparation method and an application method of a bactericidal insecticide, wherein the bactericidal insecticide takes biological crude oil prepared from biomass as a raw material and has high-efficiency inhibiting and killing effects on various harmful bacteria and pests. In addition, the bactericidal insecticide has the advantages of wide raw materials, simple and convenient operation of the preparation method, rapidness and low cost, and is suitable for large-scale production and application.
Description
Technical Field
The present invention relates to the field of agriculture and the breeding industry. In particular, the invention relates to a bactericidal insecticide, a preparation method and application thereof.
Background
China has a large population and large demand on food, and the problem of food safety is always a key focus of our country. In recent years, the production and usage of agricultural chemicals in our country have become the forefront of the world. Among them, insecticides and fungicides are the main types of agricultural chemicals used. At present, the main pesticide is synthesized by chemical engineering, the cost is higher, and along with the use of the pesticide, a plurality of pathogenic bacteria and pests form drug resistance accumulation, so that the application effect of the bactericidal insecticide is reduced. In the case of the livestock industry, pathogenic bacteria and fungi present in livestock farms can also affect the normal growth and fertility of livestock, among other things. However, currently, the types and amounts of bactericides suitable for use in livestock and poultry farms are small and still remain to be developed.
A large amount of biological organic matters such as livestock and poultry manure, straws, microalgae, kitchen waste, sludge, water bloom, water hyacinth and the like exist in China, and the biological crude oil can be prepared by hydrothermal liquefaction and pyrolysis technologies. At present, the research direction for the biological crude oil mainly focuses on the production raw material and the preparation condition of the biological crude oil, and the effect of the biological crude oil in the aspects of being used as a coal water slurry dispersing agent or an antioxidant and the like, but no report is made on the fact that the biological crude oil can be used for preparing a bactericidal insecticide and is applied to agricultural production and breeding industry.
Disclosure of Invention
The present invention aims to solve at least to some extent at least one of the technical problems of the prior art. Therefore, the invention provides the bactericidal insecticide and the preparation method thereof, the application of the biological crude oil in sterilization and disinsection and the application method of sterilization and disinsection, the bactericidal insecticide takes the biological crude oil prepared by biomass as the raw material, and has high-efficiency inhibition and killing effects on various harmful bacteria and pests. In addition, the aqueous emulsion has the advantages of wide raw material preparation, simple and convenient operation, rapidness and low cost, and is suitable for large-scale production and application.
In one aspect of the invention, the invention provides a bactericidal insecticide. According to an embodiment of the present invention, the bactericidal insecticide comprises: the biomass is hydrothermally liquefied or pyrolyzed to obtain biocrude and optional auxiliary agents. The inventor finds that the biological crude oil has high-efficiency inhibiting and killing effects on various harmful bacteria and pests, and can be applied to agricultural production and breeding industry. The biological crude oil is oily and high in viscosity, so that the biological crude oil is not beneficial to spraying, the viscosity of the biological crude oil can be reduced by adding the auxiliary agent, the spraying is facilitated, and the effect is better exerted.
According to an embodiment of the invention, the bio-crude comprises at least one of: alkali compounds, terpenoids, ketones, glycosides, esters, phenols, aldehydes, organic acids, pyridine and phosphorus-containing compounds. The biological crude oil with the composition has better insecticidal and bactericidal effects.
According to an embodiment of the present invention, the raw material of the biomass includes, but is not limited to, one or more of human excrement, livestock and poultry manure, straw, pulp processing wastewater, sludge, water bloom, kitchen waste, water hyacinth, and microalgae.
According to an embodiment of the invention, the bio-crude is obtained by: sealing the biomass and optional catalyst in a reaction kettle, adjusting the initial pressure to 0-4 MPa, heating to 220-1000 ℃ (for example, 300-600 ℃) and the retention time to 0-20 hours (for example, 10 minutes-8 hours), obtaining a reaction material, and collecting an oil phase to obtain the bio-crude oil.
In a reaction kettle, biomass is subjected to hydrothermal liquefaction reaction and pyrolysis reaction to obtain an oil phase, a water phase and residues, wherein the oil phase is mainly bio-crude oil. In the reaction process, a catalyst (for example, 0-60 wt% of Fe, Pt, Ru, Ni, Mo, etc.) may be added appropriately to further promote the reaction and improve the yield of the bio-crude. Before adding biomass into a reaction kettle, deionized water can be added in advance or drying and evaporating can be carried out according to the reaction temperature condition, the water content is adjusted to be 0-90%, and subsequent reaction is facilitated. By adopting the heating temperature, the heating time and the heating pressure, the hydrothermal liquefaction reaction and the pyrolysis reaction can be fully performed, the yield of the obtained biological crude oil is high, and the obtained biological crude oil has better sterilization and disinsection effects. Further, the oil phase can be directly absorbed, or the water phase and the residue can be removed by extraction (for example, organic solvent is adopted) and filtration, the oil phase is collected, and the oil phase can be further distilled and rotary evaporated to achieve the purposes of removing impurities and concentrating to remove water. Thus, the resulting bio-crude contains at least one of: the pesticide composition comprises alkali compounds, terpenoids, ketones, glycosides, esters, phenols, aldehydes, organic acids, pyridine and phosphorus-containing compounds, and has good bactericidal and insecticidal effects.
According to the embodiment of the invention, the moisture content in the biological crude oil is 0-30% by mass. Therefore, the insecticidal and bactericidal composition has good insecticidal and bactericidal effects.
According to an embodiment of the present invention, the auxiliary agent includes, but is not limited to, at least one of the following: emulsifiers, wetting agents, penetrants, stabilizers, dispersants, and thickeners.
According to an embodiment of the present invention, the emulsifier includes, but is not limited to, at least one of silicone polyether, Termul 5030, alkyl benzene sulfonate, alkylphenol polyoxyethylene ether formaldehyde condensate, alkylphenol polyoxyethylene ether polyoxypropylene ether, castor oil polyoxyethylene ether, tristyrylphenol polyoxyethylene polyoxypropylene block copolymer, polyoxyethylene sorbitan fatty acid ester, and sorbitan fatty acid ester. Thereby, the oily bio-crude is allowed to form an emulsion.
According to an embodiment of the present invention, the wetting agent and the penetrating agent include, but are not limited to, at least one of alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, alkylphenol polyoxyethylene ether phosphate, phenethylphenol polyoxyethylene ether phosphate, alkylnaphthalene sulfonate, sodium laureth sulfate, disodium alkylphenol polyoxyethylene ether sulfosuccinate, butylnaphthalene sulfonate sodium salt, a condensate of a fatty alcohol and ethylene oxide, ethanol, propylene glycol, ethylene glycol, glycerin, dimethyl sulfoxide, tween, sulfated castor oil, sodium alkylsulfonate, sodium alkylbenzenesulfonate, and sodium alkylsulfate. The attachment and penetration effects of the liquid preparation on the body and the insect surface are increased by adding the wetting agent and the penetrating agent.
According to an embodiment of the present invention, the stabilizer includes, but is not limited to, at least one of propyl gallate, dibutyl hydroxy toluene, butyl hydroxy anisole and tert-butyl p-diphenol. Therefore, the stability of the system is improved, the oxidation resistance of the effective components is ensured, and a uniform emulsification system is maintained.
According to an embodiment of the present invention, the dispersant includes, but is not limited to, at least one of alkyl sulfonate, alkyl benzene sulfonate, lignosulfonate, polycarboxylate, alkyl sulfosuccinate, dioctyl sodium sulfosuccinate, alkyl naphthalene sulfonic acid polycondensate sodium salt, and aryl phenol polyoxyethylene ether. Thereby, the components are uniformly dispersed to form a uniform system.
According to an embodiment of the present invention, the thickener includes, but is not limited to, at least one of xanthan gum, carboxymethyl cellulose, polyvinyl alcohol, white carbon, organic bentonite, and magnesium aluminum silicate. Thereby, the viscosity of the system is increased.
According to an embodiment of the invention, the bactericidal insecticide comprises, based on the total mass of the bactericidal insecticide: 2-40 mass% of bio-crude oil; 0-18 mass% of an emulsifier selected from silicone polyether, Termul 5030 and/or castor oil polyoxyethylene ether; 0 to 15 mass% of ethylene glycol; 0.01 to 1 mass% of organobentonite; and the balance water. The inventor obtains the preferable composition through a large number of experiments, so that the bactericidal insecticide has a good bactericidal and insecticidal effect and strong stability, can be stored for 10-360 days at 0-30 ℃ in the dark, and has a lasting period of 3-20 days after application.
In another aspect of the invention, the invention provides a method of preparing a bactericidal insecticide. According to an embodiment of the invention, the method comprises: mixing the biological crude oil with the auxiliary agent. Therefore, the bactericide and insecticide obtained by the method provided by the embodiment of the invention has a good bactericidal and insecticidal effect, is easy to obtain raw materials, simple and convenient to operate, quick, low in cost and suitable for large-scale production and application.
According to an embodiment of the invention, the bactericide is as defined in the bactericide hereinbefore. It will be appreciated by those skilled in the art that the features and advantages described above in relation to the pesticide apply equally to the method of preparing the pesticide and will not be described in further detail herein.
In another aspect of the invention, the invention provides a method of killing bacteria and insects. According to an embodiment of the invention, the method comprises: the above-mentioned bactericidal insecticide is applied to the object to be treated. As described above, the bactericidal insecticide according to the embodiment of the present invention has a good bactericidal and insecticidal effect, and thus, it is applied (e.g., sprayed, soaked, etc.) to an object to be treated to function. In particular, the bactericidal kill may be applied prior to application depending on the actual extent of the diseaseDiluting the insect agent as a mother liquor, for example, 1-105Spraying by a double-spraying method, and uniformly soaking on the surface of crops; can also be diluted by 1-105Soaking seeds for 1-300 minutes; can also dilute by 1-108The fertilizer is applied by irrigating soil.
According to an embodiment of the present invention, the object to be treated includes, but is not limited to, at least one of the following: field crops, vegetable crops, fruits, ornamental crops and livestock and poultry farm environments. Thereby, the harmful bacteria and pests on the above substances can be effectively killed.
According to embodiments of the invention, the field crop includes, but is not limited to, at least one of: corn, wheat and tobacco; the vegetable crops include, but are not limited to, at least one of the following: tomatoes, cucumbers, cabbages and peppers; the fruit includes, but is not limited to, at least one of the following: apples, pears and grapes; the ornamental crops include, but are not limited to, at least one of the following: rose, peony and peony. Thereby, the harmful bacteria and pests on the plants can be effectively killed.
According to an embodiment of the invention, the livestock farm environment includes, but is not limited to, at least one of: equipment, site, feeding materials and waste. Therefore, pathogenic bacteria on all substances except the bodies of the livestock in the livestock and poultry farm can be effectively killed.
In yet another aspect of the invention, the invention proposes the use of a biocrude obtained by hydrothermal liquefaction or pyrolysis of biomass for sterilization and pest control. The biological crude oil has good sterilization and disinsection effects, is easy to obtain, and has good application prospects.
According to an embodiment of the invention, the bio-crude is provided in the form of a bactericidal insecticide as described above. Since the aforementioned bactericide contains biocrude, the biocrude can be provided by the bactericide.
According to embodiments of the present invention, the bacteria include, but are not limited to, at least one of the following angular leaf spot bacteria, anthrax, gray mold, rhizoctonia solani, fusarium graminearum, verticillium dahliae, and mosaic virus. The biological crude oil has better inhibiting effect on the thalli.
According to an embodiment of the invention, the pests include, but are not limited to, at least one of aphids and mites. The biological crude oil has good inhibition effect on the above polypide.
According to an embodiment of the invention, the bio-crude is used for preventing or treating downy mildew, ring spot, anthracnose, ulcer disease, wildfire disease, scab, soft rot, black rot and/or bacterial wilt of plant infection.
According to an embodiment of the present invention, the bio-crude oil is used for killing staphylococcus aureus, escherichia coli, streptococcus and/or klebsiella in livestock and poultry farms, and preventing or treating foot-and-mouth disease, infectious rhinotracheitis, recessive mastitis and/or parasitic diseases.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a GC-MS mass spectrum of a bio-crude according to one embodiment of the present invention.
Detailed Description
The scheme of the invention will be explained with reference to the examples. It will be appreciated by those skilled in the art that the following examples are illustrative of the invention only and should not be taken as limiting the scope of the invention. The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products commercially available.
Example 1
(1) Weighing a certain amount of fresh livestock and poultry manure (solid content is 20 percent), and adding the fresh livestock and poultry manure into a reaction kettle. Nitrogen was introduced and the initial pressure was adjusted to 0.5 MPa. The raw material was heated to 320 ℃ and the residence time was 20 min. Stopping heating the reaction kettle, opening the reaction kettle gas releasing device when the temperature is reduced to the room temperature until the pressure in the reaction kettle is reduced to the atmospheric pressure, and opening the reaction kettle. The water and oily substance were separated using a separatory funnel. Extracting with acetone, and filtering to obtain biological crude oil with water content of 2%.
The biological crude oil is subjected to GC-MS detection, the obtained mass spectrum is shown in figure 1, and the analysis shows that the biological crude oil contains alkali compounds, terpenoids, ketones, glycosides, esters, phenols, aldehydes, organic acids, pyridine and phosphorus-containing compounds.
(2) According to the proportion of 40 parts of biological crude oil, 15 parts of ethylene glycol, 0.5 part of organic silicon polyether, 0.02 part of organic bentonite, 50300.3 parts of Termul and 100 parts of deionized water, the mother liquor of the medicine is obtained.
(3) Adding water to dilute 1000 times, uniformly spraying the solution to aphid-affected tomatoes, having obvious aphid killing and avoiding effects, wherein the killing effect reaches over 70 percent, and the solution can be stored for 360 days at 0-30 ℃ in the dark, and the lasting period is 15 days.
Example 2
(1) Weighing a certain amount of dry straws, and adding the dry straws into a high-temperature high-pressure reaction kettle. Nitrogen was introduced and the initial pressure was adjusted to 0.5 MPa. The raw materials were heated to 600 ℃ and the residence time was 20 min. And opening the air bleeder of the reaction kettle when the temperature is reduced to the room temperature until the air pressure in the reaction kettle is reduced to the atmospheric pressure, and opening the reaction kettle. Extracting with acetone, and filtering to obtain biological crude oil with water content of 5%. The biological crude oil contains alkali compounds, terpenoids, ketones, glycosides, esters, phenols, aldehydes, organic acids, pyridine and phosphorus-containing compounds.
(2) According to the proportion of 40 parts of biological crude oil, 15 parts of castor oil polyoxyethylene ether, 0.5 part of organic silicon polyether, 0.02 part of organic bentonite, 50300.3 parts of Termul and 100 parts of deionized water, the mother liquor of the medicine is obtained.
(3) Adding water to dilute 1000 times, uniformly spraying the solution to tomatoes suffering from the blight, wherein the treatment effect on the tomato bacterial wilt reaches over 70 percent, the tomato bacterial wilt can be stored for 360 days at 0-30 ℃ in the dark, and the lasting period is 15 days.
Example 3
(1) Weighing a certain amount of human excrement (solid content is 17%), and adding into a reaction kettle. Nitrogen was introduced and the initial pressure was adjusted to 0.5 MPa. Heating the raw materials to 350 deg.C, and holding time of 60 min. Stopping heating the reaction kettle, opening the reaction kettle gas releasing device when the temperature is reduced to the room temperature until the pressure in the reaction kettle is reduced to the atmospheric pressure, and opening the reaction kettle. Extracting with acetone, and filtering to obtain biological crude oil with water content of 1%. The biological crude oil contains alkali compounds, terpenoids, ketones, glycosides, esters, phenols, aldehydes, organic acids, pyridine and phosphorus-containing compounds.
(2) According to the proportion of 40 parts of biological crude oil, 15 parts of lauryl alcohol polyoxyethylene ether sodium sulfate, 0.5 part of organic silicon polyether, 0.02 part of organic bentonite, 50300.3 parts of Termul and 100 parts of deionized water, the mother liquor of the medicine is obtained.
(3) Adding water to dilute 1000 times, soaking the wheat seeds for 5min, wherein the killing effect on fusarium graminearum causing wheat root rot reaches more than 70%, the fusarium graminearum can be stored in the dark at 0-30 ℃ for 360 days, and the lasting period is 15 days.
Example 4
(1) Weighing a proper amount of fresh sludge (with solid content of 30 percent) and adding the fresh sludge into a high-temperature high-pressure reaction kettle. Nitrogen was introduced and the initial pressure was adjusted to 0.5 MPa. The raw materials were heated to 350 ℃ and the residence time was 480 min. Stopping heating the reaction kettle, opening the reaction kettle gas releasing device when the temperature is reduced to the room temperature until the pressure in the reaction kettle is reduced to the atmospheric pressure, and opening the reaction kettle. Extracting with acetone, and filtering to obtain biological crude oil with water content of 4%. The biological crude oil contains alkali compounds, terpenoids, ketones, glycosides, esters, phenols, aldehydes, organic acids, pyridine and phosphorus-containing compounds.
(2) According to the proportion of 40 parts of biological crude oil, 15 parts of ethylene glycol, 0.5 part of organic silicon polyether, 0.02 part of organic bentonite, 50300.3 parts of Termul and 100 parts of deionized water, the mother liquor of the medicine is obtained.
(3) The water is added for dilution by 1000 times, the anthracnose apple tree is sprayed, the effect of killing the anthrax bacteria reaches over 70 percent, the anthracnose apple tree can be stored for 360 days in a dark place at 0-30 ℃, and the lasting period is 15 days.
Example 5
(1) Weighing a proper amount of fresh algal bloom (solid content is 14 percent), and adding the fresh algal bloom into a high-temperature high-pressure reaction kettle. Nitrogen was introduced and the initial pressure was adjusted to 0.5 MPa. Heating the raw materials to 350 deg.C, and keeping the residence time for 10 min. Stopping heating the reaction kettle, opening the reaction kettle gas releasing device when the temperature is reduced to the room temperature until the pressure in the reaction kettle is reduced to the atmospheric pressure, and opening the reaction kettle. Extracting with ethyl acetate, and filtering to obtain biological crude oil with water content of 2%. The biological crude oil contains alkali compounds, terpenoids, ketones, glycosides, esters, phenols, aldehydes, organic acids, pyridine and phosphorus-containing compounds.
(2) According to the proportion of 40 parts of biological crude oil, 15 parts of ethylene glycol, 0.5 part of organic silicon polyether, 0.02 part of organic bentonite, 50300.3 parts of Termul and 100 parts of deionized water, the mother liquor of the medicine is obtained.
(3) The sterilization agent is diluted 1000 times by adding water, is sprayed on grape branches and leaves suffering from botrytis cinerea, has the effect of killing botrytis cinerea of more than 70 percent, can be stored for 360 days at 0-30 ℃ in the dark, and has the lasting period of 15 days.
Example 6
(1) Weighing a certain amount of fresh livestock and poultry manure (solid content is 20 percent), and adding the fresh livestock and poultry manure into a reaction kettle. Nitrogen was introduced and the initial pressure was adjusted to 0.5 MPa. The raw material was heated to 320 ℃ and the residence time was 20 min. Stopping heating the reaction kettle, opening the reaction kettle gas releasing device when the temperature is reduced to the room temperature until the pressure in the reaction kettle is reduced to the atmospheric pressure, and opening the reaction kettle. The water and oily substance were separated using a separatory funnel. Extracting with acetone, and filtering to obtain biological crude oil with water content of 2%.
The biological crude oil is subjected to GC-MS detection, the obtained mass spectrum is shown in figure 1, and the analysis shows that the biological crude oil contains alkali compounds, terpenoids, ketones, glycosides, esters, phenols, aldehydes, organic acids, pyridine and phosphorus-containing compounds.
(2) According to the proportion of 40 parts of biological crude oil, 15 parts of ethylene glycol, 0.5 part of organic silicon polyether, 0.02 part of organic bentonite, 50300.3 parts of Termul and 100 parts of deionized water, the mother liquor of the medicine is obtained.
(3) Adding water to dilute 100 times, performing a spraying test in a pig farm, and sampling and counting a microscope after spraying for 6 hours. Test results show that the killing rate of the bactericidal insecticide to staphylococcus aureus reaches more than 80 percent; the killing rate to colibacillus can reach above 70%.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A bactericidal insecticide, comprising: the biomass is hydrothermally liquefied or pyrolyzed to obtain biocrude and optional auxiliary agents.
2. The bactericidal insecticide as claimed in claim 1, wherein the bio-crude comprises at least one of:
alkali compounds, terpenoids, ketones, glycosides, esters, phenols, aldehydes, organic acids, pyridine and phosphorus-containing compounds;
optionally, the raw material of the biomass includes, but is not limited to, one or more of human feces, livestock and poultry manure, straw, pulp processing wastewater, sludge, water bloom, kitchen waste, water hyacinth, and microalgae;
optionally, the bio-crude is obtained by:
sealing the biomass and optional catalyst in a reaction kettle, adjusting the initial pressure to be 0-4 MPa, heating to 220-1000 ℃, and keeping the residence time for 0-20 hours to obtain a reaction material, and collecting an oil phase to obtain the biological crude oil;
optionally, the moisture content in the biological crude oil is 0-30 mass%.
3. The bactericidal insecticide according to claim 1, wherein the adjuvant includes but is not limited to at least one of the following: emulsifiers, wetting agents, penetrants, stabilizers, dispersants, and thickeners;
optionally, the emulsifier includes, but is not limited to, at least one of silicone polyether, Termul 5030, alkyl benzene sulfonates, alkylphenol polyoxyethylene ether formaldehyde condensate, alkylphenol polyoxyethylene ether polyoxypropylene ether, castor oil polyoxyethylene ether, tristyrylphenol polyoxyethylene polyoxypropylene block copolymer, polyoxyethylene sorbitan fatty acid ester, and sorbitan fatty acid ester;
the wetting and penetrating agents include, but are not limited to, at least one of alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, alkylphenol polyoxyethylene ether phosphate, phenethylphenol polyoxyethylene ether phosphate, alkylnaphthalene sulfonate, sodium laureth sulfate, disodium alkylphenol polyoxyethylene sulfosuccinate, sodium butylnaphthalene sulfonate, a condensate of a fatty alcohol and ethylene oxide, ethanol, propylene glycol, ethylene glycol, glycerin, dimethyl sulfoxide, tween, sulfated castor oil, sodium alkylsulfonate, sodium alkylbenzenesulfonate, and sodium alkylsulfate;
the stabilizer includes, but is not limited to, at least one of propyl gallate, dibutyl hydroxy toluene, butyl hydroxy anisole and tert-butyl p-diphenol;
the dispersant includes, but is not limited to, at least one of alkyl sulfonate, alkyl benzene sulfonate, lignosulfonate, polycarboxylate, alkyl sulfosuccinate, dioctyl sodium sulfosuccinate, alkyl naphthalene sulfonic acid polycondensate sodium salt, and aryl phenol polyoxyethylene ether;
the thickener includes, but is not limited to, at least one of xanthan gum, carboxymethyl cellulose, polyvinyl alcohol, white carbon black, organic bentonite, and magnesium aluminum silicate.
4. The bactericidal insecticide according to claim 1, wherein the bactericidal insecticide comprises, based on the total mass of the bactericidal insecticide:
2-40 mass% of bio-crude oil;
0-18 mass% of an emulsifier selected from silicone polyether, Termul 5030 and/or castor oil polyoxyethylene ether;
0 to 15 mass% of ethylene glycol;
0.01 to 1 mass% of organobentonite; and
the balance of water;
optionally, the bactericide pesticide can be stored at 0-30 ℃ in the dark for 10-360 days, and the lasting period after application is 3-20 days.
5. A method of preparing a bactericidal insecticide comprising: mixing the biological crude oil with the auxiliary agent.
6. The method according to claim 5, wherein the bactericidal insecticide is as defined in any one of claims 1 to 4.
7. A method of killing bacteria and insects, comprising:
the bactericidal insecticide as claimed in any one of claims 1 to 4, which is applied to an object to be treated.
8. The method of claim 7, wherein the treatment includes, but is not limited to, at least one of: field crops, vegetable crops, fruits, ornamental crops and livestock and poultry farm environments;
optionally, the field crop includes, but is not limited to, at least one of: corn, wheat and tobacco;
the vegetable crops include, but are not limited to, at least one of the following: tomatoes, cucumbers, cabbages and peppers;
the fruit includes, but is not limited to, at least one of the following: apples, pears and grapes;
the ornamental crops include, but are not limited to, at least one of the following: rose, peony and peony;
the livestock farm environment includes, but is not limited to, at least one of: equipment, site, feeding materials and waste.
9. The biological crude oil obtained by hydrothermal liquefaction or pyrolysis of biomass is used for sterilization and disinsection.
10. The use according to claim 9, wherein the biocrude is provided in the form of a bactericidal insecticide according to any one of claims 1 to 4;
optionally, the bacteria include, but are not limited to, at least one of the following: angular leaf spot pathogen, anthrax, gray mold pathogen, rhizoctonia solani, fusarium graminearum, verticillium dahliae and mosaic virus;
optionally, the pests include, but are not limited to, at least one of aphids and mites;
optionally, the bio-crude is used for preventing or treating downy mildew, ring spot, anthracnose, canker, wildfire, scab, soft rot, black rot and/or bacterial wilt of plant infection;
optionally, the biological crude oil is used for killing staphylococcus aureus, escherichia coli, streptococcus and/or klebsiella in livestock and poultry farms, and preventing or treating foot-and-mouth disease, infectious rhinotracheitis, recessive mastitis and/or parasitic diseases.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114097780A (en) * | 2021-12-01 | 2022-03-01 | 吉林大学 | Method for preparing bactericide for inhibiting botrytis cinerea and application |
| WO2023212183A1 (en) * | 2022-04-29 | 2023-11-02 | Worcester Polytechnic Instittute | Mechanical activation of biomass for hydrothermal liquefaction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114097780A (en) * | 2021-12-01 | 2022-03-01 | 吉林大学 | Method for preparing bactericide for inhibiting botrytis cinerea and application |
| CN114097780B (en) * | 2021-12-01 | 2022-11-08 | 吉林大学 | Method for preparing bactericide for inhibiting botrytis cinerea and application |
| WO2023212183A1 (en) * | 2022-04-29 | 2023-11-02 | Worcester Polytechnic Instittute | Mechanical activation of biomass for hydrothermal liquefaction |
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