CN113480353A - Process for high-value extraction of byproduct organic potassium sulfate compound fertilizer from hermetia illucens - Google Patents
Process for high-value extraction of byproduct organic potassium sulfate compound fertilizer from hermetia illucens Download PDFInfo
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- CN113480353A CN113480353A CN202110655252.8A CN202110655252A CN113480353A CN 113480353 A CN113480353 A CN 113480353A CN 202110655252 A CN202110655252 A CN 202110655252A CN 113480353 A CN113480353 A CN 113480353A
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- hermetia illucens
- compound fertilizer
- enzymolysis
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- sulfate compound
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- 241000709785 Hermetia illucens Species 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000003337 fertilizer Substances 0.000 title claims abstract description 36
- 229910052939 potassium sulfate Inorganic materials 0.000 title claims abstract description 36
- 235000011151 potassium sulphates Nutrition 0.000 title claims abstract description 36
- -1 potassium sulfate compound Chemical class 0.000 title claims abstract description 26
- 239000006227 byproduct Substances 0.000 title claims abstract description 18
- 238000000605 extraction Methods 0.000 title claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
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- 239000000463 material Substances 0.000 claims abstract description 28
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 26
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- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 13
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- 238000005238 degreasing Methods 0.000 claims description 14
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- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
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- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
- A23K20/147—Polymeric derivatives, e.g. peptides or proteins
-
- 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
-
- 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
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Pest Control & Pesticides (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Fertilizers (AREA)
Abstract
The invention belongs to the technical field of high-valued biorefinery of hermetia illucens, and particularly relates to a process for high-valued refining of hermetia illucens to obtain a byproduct organic matter potassium sulfate compound fertilizer, which comprises the following steps: taking the hermetia illucens mature insect material, adding a biological enzymolysis auxiliary agent, uniformly stirring, maintaining the temperature of the mature insect material, adding an zymolyte, uniformly stirring, and performing enzymolysis at a constant temperature to obtain an organic potassium sulfate compound fertilizer; the biological enzymolysis auxiliary agent comprises ammonium sulfate, potassium chloride and peanut bran; the method has the advantages that the grease of the hermetia illucens is removed in a boiling water circulation mode, more than 90% of grease is removed, enzymolysis is carried out by combining with a biological enzymolysis auxiliary agent, the enzymolysis efficiency and the enzymolysis quality are well improved, the protein powder with aromatic smell and a food calling effect is obtained, the protein powder can be used as a livestock and poultry additive for feed polypeptide protein powder or amino acid powder products, and the protein powder has relatively excellent palatability and aromatic smell when being used for livestock and poultry feed, and is beneficial to improvement of nutrient of the feed and animal absorption effect.
Description
Technical Field
The invention belongs to the technical field of comprehensive extraction of hermetia illucens, and particularly relates to a preparation process for extracting and by-producing an organic potassium sulfate compound fertilizer based on the hermetia illucens in a high-value mode.
Background
The black soldier fly is a saprophytic insect, and can be used as an important biological treatment medium in a natural food chain, treat various organic wastes such as livestock and poultry manure, and produce high-protein high-grease biomass, antibacterial peptide, adipic acid, lauric acid, chitin, biological pigment, biological organic fertilizer, biofuel and other high-value-added products, so that the black soldier fly is one of the resource insects with the same names as fly maggot, yellow mealworm, barley pest and the like.
The hermetia illucens larvae are rich in crude protein and crude fat, and also contain vitamins, hydrochloric acid, cholesterol and comparatively rich lauric acid, palmitic acid, oleic acid and linoleic acid, and gradually become raw materials for developing feed for livestock. Researches show that the appropriate amount of hermetia illucens larvae is feasible to be used in the feed of the livestock and is beneficial to promoting lipid metabolism and intestinal physiological development in the livestock and poultry to a certain extent. Therefore, the hermetia illucens larvae has huge market space as the main raw material for replacing feeds such as soybean oil, fish meal, protein powder and the like. However, the paper "influence of black soldier fly larva powder on digestibility of nutrient substances, biochemical indexes of serum and amino acid composition of the fattening pigs" shows that the digestibility of organic matters can be remarkably improved by adding 4% of black soldier fly larva powder (the content of chitin in the black soldier fly larva powder is 4.65%) to the feed, and the digestibility of crude proteins can be remarkably reduced by adding 8% of black soldier fly larva powder, and even the situation of no feeding can be caused. This phenomenon occurs mainly because the hermetia illucens powder contains a large amount of chitin and fat (about 35%), both of which are not easily digested and absorbed. Particularly, chitin substances are difficult to digest by monogastric animals due to large relative molecular mass, poor water solubility and protein binding activity, and have negative effects on digestion and absorption of proteins due to the anti-nutritional effect generated when the concentration is too high. Therefore, the feed of the hermetia illucens powder to the livestock is not suitable for a large amount, and the digestion rate of the livestock to nutrient substances and the intestinal tract and growth health of the livestock are seriously influenced if the feed exceeds a certain using amount, so that the utilization of the hermetia illucens is severely limited.
Therefore, in order to further develop and utilize the application of hermetia illucens in livestock and poultry feed, it is urgently needed to develop a refining method for improving the utilization rate of hermetia illucens, and simultaneously improve the nutritional value and the utilization rate of organic hermetia illucens feed.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a process for extracting a byproduct organic potassium sulfate compound fertilizer from hermetia illucens at a high value, wherein ammonium sulfate, potassium chloride and peanut bran are used as enzymolysis auxiliaries, so that the enzymolysis efficiency and the enzymolysis quality are well improved, and a feed polypeptide protein powder or amino acid powder product with aromatic smell and a food calling effect is obtained and can be used as a feed additive applied to livestock.
The technical content of the invention is as follows:
the invention provides a process for extracting a byproduct organic potassium sulfate compound fertilizer from hermetia illucens at a high value, which comprises the following steps:
taking later-stage larvae of hermetia illucens, cooking, degreasing and ripening the larvae, adding a biological enzymolysis auxiliary agent, uniformly stirring, maintaining the temperature of the larvae, adding mixed enzyme, uniformly stirring, performing enzymolysis at a constant temperature, and separating enzymolysis products to obtain chitin, high-quality protein powder and an organic matter potassium sulfate compound fertilizer;
the biological enzymolysis auxiliary agent comprises ammonium sulfate, potassium chloride and peanut bran, and the using amount of the biological enzymolysis auxiliary agent is 2-10 wt% of the mature hermetia illucens material;
the use mass ratio of the ammonium sulfate, the potassium chloride and the peanut bran in the biological enzymolysis auxiliary agent is (1-3) to (2-10);
the cooking and degreasing process comprises the steps of putting the worm material into a cooking pressure cooker, adding water with the volume being 2-5 times that of the worm material, introducing 105-130 ℃ steam to heat the material for cooking, and maintaining the temperature of the material at 105-130 ℃ for 1-5 hours;
the black soldier fly oil is dissolved in cooking water in the cooking process, the cooking water is cooled to about 50 ℃ in an external circulation mode and then enters a high-speed centrifugal demulsifying machine for oil-water separation to obtain an oil product, the water for separating the oil is circulated back to the cooking pot, and the circulation operation is maintained until the oil removal rate of the black soldier fly material reaches more than 90%.
The source of the hermetia illucens cooked worm material is the worm material left after cooking and grease removal.
The temperature for enzymolysis at constant temperature is 40-70 ℃, and the enzymolysis time is 8-30 h;
the zymolyte comprises papain, bromelain, cellulase and trypsin, and the usage amount of the zymolyte is 0.01-0.05 wt% of the black soldier fly cooked worm material;
the stirring speed for uniform stirring is 5-20 r/min, and the enzymolysis time is 8-30 h;
filtering the material after enzymolysis to obtain filter residue and filtrate, dehydrating, washing and drying the filter residue to obtain a chitin (organic matter) product with the content of more than 95%;
concentrating the filtrate to a concentration of 30-60%, and performing solid-liquid separation on the crystallized product to obtain a solid and a liquid, wherein the solid is used as a potassium sulfate organic-inorganic compound fertilizer;
and carrying out spray drying on the liquid to obtain beige albumen powder as feed albumen powder.
The invention also provides an organic potassium sulfate compound fertilizer extracted from the hermetia illucens at a high value, which is an organic-inorganic compound fertilizer formed by chitin, polypeptide amino acid, polysaccharide organic matters and potassium sulfate and obtained by using the hermetia illucens as raw materials through the degreasing and enzymolysis processes.
The invention has the following beneficial effects:
the preparation process of the organic potassium sulfate compound fertilizer adopts a cooking water circulation mode to remove the grease of hermetia illucens wetworm, more than 90% of oil is removed, the black soldier fly clinker from which the oil is removed is combined with a biological enzymolysis auxiliary agent for enzymolysis, the process adopts ammonium sulfate, potassium chloride and peanut bran as the enzymolysis auxiliary agent, the enzymolysis efficiency and the enzymolysis quality are well improved, and the protein powder with aromatic smell and food calling effect is obtained, can be used as livestock and poultry additive for feed polypeptide protein powder or amino acid powder products, compared with the traditional enzymolysis process, the polypeptide with the molecular weight of below 5000 is obtained by the efficient enzymolysis process, the content of the polypeptide reaches more than 90%, and the polypeptide has excellent palatability and fragrant smell when being used for livestock and poultry feed, is favorable for improving the eating rate of the feed, and is favorable for improving the nutrient of the feed and the animal absorption effect.
Drawings
Fig. 1 is a process flow chart of the organic potassium sulfate compound fertilizer extracted from hermetia illucens.
Detailed Description
The present invention is described in further detail in the following description of specific embodiments and the accompanying drawings, it is to be understood that these embodiments are merely illustrative of the present invention and are not intended to limit the scope of the invention, which is defined by the appended claims, and modifications thereof by those skilled in the art after reading this disclosure that are equivalent to the above described embodiments.
All the raw materials and reagents of the invention are conventional market raw materials and reagents unless otherwise specified.
Example 1
A process for extracting a byproduct organic potassium sulfate compound fertilizer from hermetia illucens at a high value comprises the following steps:
1) cooking and degreasing black soldier fly: putting 1kg of hermetia illucens wet insects into a cooking pot, adding 3kg of water, introducing 105 ℃ steam into the pot to cook until the water boils, degreasing the hermetia illucens into the water in the cooking process, cooking for 2h, taking out the upper part of a boiling aqueous solution in the cooking pot, cooling to 45 ℃, performing oil-water separation at the speed of 5000r/min by using a high-speed centrifugal demulsifying machine, separating to obtain hermetia illucens grease for oil for feed of livestock, and circulating the separated water back to the cooking pot for circulation;
repeating the operation until more than 0.32kg of grease is obtained, which shows that 90-98% of the grease of the hermetia illucens is removed;
2) cooling the degreased hermetia illucens cooked worm material to 40 ℃, adding 2 wt% of biological enzymolysis auxiliary agent (the mass ratio of ammonium sulfate, potassium chloride and peanut bran is 1:1:2), uniformly stirring, maintaining the temperature of the cooked worm material, adding 0.01 wt% of zymolyte (the mass ratio of papain, bromelain, cellulase and trypsin is 1:1:1), stirring at the speed of 5r/min, maintaining the constant temperature, and performing enzymolysis on protein at the constant temperature for 30 h;
3) filtering the material after enzymolysis to obtain filter residue and filtrate, dehydrating, washing and drying the filter residue to obtain a chitin (organic matter) product with the purity of 95%;
concentrating the filtrate to 30% concentration, and performing solid-liquid separation on the crystallization educt to obtain solid and liquid, wherein the solid is a crystallization product of potassium sulfate and ammonium chloride and is used as a high-efficiency potassium sulfate agricultural fertilizer;
and (3) carrying out spray drying on the liquid to obtain beige protein powder as high-efficiency feed protein powder.
Example 2
A process for extracting a byproduct organic potassium sulfate compound fertilizer from hermetia illucens at a high value comprises the following steps:
1) cooking and degreasing black soldier fly: putting 1kg of hermetia illucens wet insects into a cooking pot, adding 2-4 kg of water, introducing steam at 115 ℃ into the pot, cooking until the water is boiled, degreasing the hermetia illucens into the water in the cooking process, cooking for 1.5h, taking out the upper part of a boiling water solution in the cooking pot, cooling to 50 ℃, performing oil-water separation at 7000r/min by using a high-speed centrifugal demulsifying machine, separating to obtain hermetia illucens grease which is used as oil for livestock and poultry feed, and recycling the separated water back to the cooking pot for recycling;
2) cooling the degreased hermetia illucens cooked worm material to 50 ℃, adding 5 wt% of biological enzymolysis auxiliary agent (the mass ratio of ammonium sulfate, potassium chloride and peanut bran is 2:3:5), uniformly stirring, maintaining the temperature of the cooked worm material, adding 0.03 wt% of zymolyte (the mass ratio of papain, bromelain, cellulase and trypsin is 1:1:1), stirring at the speed of 10r/min, maintaining the constant temperature, and performing enzymolysis on protein at the constant temperature for 25 h;
3) the same as the step 3) of the embodiment 1, chitin (organic matter) products with the purity of 96.5 percent are obtained, and the high-efficiency potassium sulfate agricultural fertilizer and the high-efficiency feed protein powder are obtained.
Example 3
A process for extracting a byproduct organic potassium sulfate compound fertilizer from hermetia illucens at a high value comprises the following steps:
1) cooking and degreasing black soldier fly: putting 1kg of hermetia illucens wet insects into a cooking pot, adding 2-4 kg of water, introducing steam at 125 ℃ into the pot, cooking until the water is boiled, degreasing the hermetia illucens into the water in the cooking process, cooking for 2h, taking out the upper part of a boiling aqueous solution in the cooking pot, cooling to 50 ℃, performing oil-water separation at 8500r/min by using a high-speed centrifugal demulsifying machine, separating to obtain hermetia illucens grease, using the grease for feed of poultry and livestock, and recycling the separated water into the cooking pot;
2) cooling the degreased hermetia illucens cooked worm material to 60 ℃, adding 8 wt% of biological enzymolysis auxiliary agent (the mass ratio of ammonium sulfate, potassium chloride and peanut bran is 3:2:7), uniformly stirring, maintaining the temperature of the cooked worm material, adding 0.04 wt% of zymolyte (the mass ratio of papain, bromelain, cellulase and trypsase is 1:1:1), stirring at the speed of 15r/min, maintaining the constant temperature, and performing enzymolysis on the protein at the constant temperature for 18 h;
3) the same as the step 3) of the embodiment 1, chitin (organic matter) products with the purity of 98 percent are obtained, and the high-efficiency potassium sulfate agricultural fertilizer and the high-efficiency feed protein powder are obtained.
Example 4
A process for extracting a byproduct organic potassium sulfate compound fertilizer from hermetia illucens at a high value comprises the following steps:
1) cooking and degreasing black soldier fly: putting 1kg of hermetia illucens wet insects into a cooking pot, adding 2-4 kg of water, introducing steam at 130 ℃ into the pot, cooking until the water is boiled, degreasing the hermetia illucens into the water in the cooking process, cooking for 1h, taking out the upper part of a boiling water solution in the cooking pot, cooling to 40 ℃, performing oil-water separation at 10000r/min by using a high-speed centrifugal demulsifier, separating to obtain hermetia illucens grease which is used for oil for poultry and livestock feed, and circulating the separated water back to the cooking pot;
2) cooling the degreased hermetia illucens cooked worm material to 70 ℃, adding 10 wt% of biological enzymolysis auxiliary agent (the mass ratio of ammonium sulfate, potassium chloride and peanut bran is 3:3:10), uniformly stirring, maintaining the temperature of the cooked worm material, adding 0.05 wt% of zymolyte (the mass ratio of papain, bromelain, cellulase and trypsase is 1:1:1), stirring at the speed of 20r/min, maintaining the constant temperature, and performing enzymolysis on protein at the constant temperature for 10 hours;
3) the same as the step 3) of the embodiment 1, chitin (organic matter) products with the purity of 97.8 percent are obtained, and high-efficiency potassium sulfate agricultural fertilizer and high-efficiency feed protein powder are obtained.
Comparative example 1
As a control group in example 1, no biological enzymolysis auxiliary agent was used in the biological refining process of hermetia illucens in comparative example 1.
Comparative example 2
As a control group in example 2, in the biological refining process of the hermetia illucens in comparative example 2, the biological enzymolysis auxiliary agent does not adopt ammonium sulfate.
Comparative example 3
As a control group in example 3, in comparative example 3, potassium chloride is not used as the biological enzymolysis auxiliary agent in the hermetia illucens biorefinery process.
Comparative example 4
As a control group in example 4, in comparative example 4, peanut bran was not used as the biological enzymolysis auxiliary agent in the hermetia illucens biorefinery process.
Comparative example 5
As a control group in example 4, in the biological refining process of the hermetia illucens in comparative example 4, the hermetia illucens are not degreased and are dried and pulverized.
Comparative example 6
As a control group in example 4, in the biological refining process of hermetia illucens in comparative example 4, the zymolyte is bromelain, papain or trypsin.
The zymolyte obtained in the above examples and the preparation process in proportion is subjected to the tests of the odor, the purity of the potassium sulfate agricultural fertilizer and the molecular weight of protein, and the results are as follows:
TABLE 1 odor of enzymatic hydrolysate and product quality index
As can be seen from Table 1, the biological enzymolysis auxiliary agents ammonium sulfate, potassium chloride and peanut bran are beneficial to improving enzymolysis efficiency and enzymolysis quality, can obtain protein powder with aromatic smell, and have low molecular weight, which shows that the protein powder has higher nutritional value.
Compared with the comparative example, the replacement of the biological enzymolysis auxiliary agent or the use of the lack of the components, and the replacement of the zymolyte (protease) can influence the odor of the obtained zymolyte and the molecular weight of the protein powder.
According to the pretreatment process for the hermetia illucens, cooking and external circulation oil-water separation are performed, grease removal is performed on hermetia illucens larvae, a grease removal effect of over 90% is obtained, the subsequent enzymolysis effect is better, and when the traditional pretreatment process of a comparative example is adopted, the excellent effect of the pretreatment process cannot be achieved.
Claims (10)
1. The process for extracting the byproduct organic potassium sulfate compound fertilizer from the hermetia illucens at high value is characterized by comprising the following steps of:
taking later-stage larvae of hermetia illucens, cooking, degreasing and ripening the larvae, adding a biological enzymolysis auxiliary agent, uniformly stirring, maintaining the temperature of the larvae, adding mixed enzyme, uniformly stirring, performing enzymolysis at a constant temperature, and separating enzymolysis products to obtain chitin, protein powder and an organic matter potassium sulfate compound fertilizer;
the biological enzymolysis auxiliary agent comprises ammonium sulfate, potassium chloride and peanut bran, and the usage amount of the biological enzymolysis auxiliary agent is 2-10 wt% of the mature hermetia illucens material.
2. The process for extracting the byproduct organic matter potassium sulfate compound fertilizer from the hermetia illucens at the high value according to claim 1, wherein the cooking and degreasing processes comprise the steps of adding 2-5 times of volume of water into the hermetia illucens, introducing 105-130 ℃ steam to heat and cook the material, maintaining the temperature of the material at 105-130 ℃ for 1-5 hours, dissolving hermetia illucens oil into the cooking water during the cooking process, cooling the cooking water in an external circulation mode, separating oil from water to obtain an oil product, circulating the oil-separated water back to the cooking pot, and circulating the above steps until the defatting rate of the hermetia illucens reaches more than 90%.
3. The process for high-valued refining of hermetia illucens and producing the byproduct organic potassium sulfate compound fertilizer is characterized in that the use mass ratio of ammonium sulfate, potassium chloride and peanut bran in the biological enzymolysis auxiliary agent is (1-3): 2-10.
4. The process for high-value extraction of the byproduct organic potassium sulfate compound fertilizer from hermetia illucens according to claim 1, wherein enzymolysis is carried out at a constant temperature of 40-70 ℃ for 8-30 h.
5. The process for extracting the byproduct organic potassium sulfate compound fertilizer from the hermetia illucens at high value according to claim 1, wherein the hermetia illucens mature insect material is obtained from the insect material left after cooking and grease removal.
6. The process for high-valued refining of hermetia illucens and producing the byproduct organic potassium sulfate compound fertilizer is characterized in that the zymolyte comprises papain, bromelain, cellulase and trypsin, and the usage amount of the zymolyte is 0.01-0.05 wt% of the hermetia illucens mature insect material.
7. The process for high-value extraction of the byproduct organic potassium sulfate compound fertilizer from hermetia illucens according to claim 1, wherein the stirring speed for uniform stirring is 5-20 r/min, and the enzymolysis time is 8-30 h.
8. The process for extracting the byproduct organic potassium sulfate compound fertilizer from the hermetia illucens at high value according to claim 1, which is characterized in that materials after enzymolysis are filtered to obtain filter residues and filtrate, and the filter residues are dehydrated, washed and dried to obtain a chitin product.
9. The process for high-valued refining of hermetia illucens and producing the byproduct organic matter potassium sulfate compound fertilizer as claimed in claim 8, is characterized in that the filtrate is concentrated to a concentration of 30-60%, and a crystallized product is subjected to solid-liquid separation to obtain a solid and a liquid, wherein the solid is used as a potassium sulfate agricultural fertilizer;
and carrying out spray drying on the liquid to obtain beige albumen powder as feed albumen powder.
10. An organic potassium sulfate compound fertilizer extracted from hermetia illucens at a high value is characterized in that the compound fertilizer is an organic-inorganic compound fertilizer which is prepared from hermetia illucens serving as a raw material and contains chitin, polypeptide amino acid, polysaccharide organic matters and potassium sulfate through the degreasing and enzymolysis process of claim 1.
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| CN111334547A (en) * | 2020-02-15 | 2020-06-26 | 松颉环保科技(深圳)有限公司 | Extraction method of hermetia illucens antibacterial peptide and application of hermetia illucens antibacterial peptide in preparation of tobacco disease resistant fertilizer |
| CN112047785A (en) * | 2020-09-17 | 2020-12-08 | 东营市木子庄园生态农业科技有限公司 | Chitin-containing environment-friendly enzyme biological fertilizer and preparation method thereof |
| CN112195213A (en) * | 2019-07-08 | 2021-01-08 | 龚伟 | Method for extracting protein powder by cultivating hermetia illucens with food waste solids |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112195213A (en) * | 2019-07-08 | 2021-01-08 | 龚伟 | Method for extracting protein powder by cultivating hermetia illucens with food waste solids |
| CN111334547A (en) * | 2020-02-15 | 2020-06-26 | 松颉环保科技(深圳)有限公司 | Extraction method of hermetia illucens antibacterial peptide and application of hermetia illucens antibacterial peptide in preparation of tobacco disease resistant fertilizer |
| CN112047785A (en) * | 2020-09-17 | 2020-12-08 | 东营市木子庄园生态农业科技有限公司 | Chitin-containing environment-friendly enzyme biological fertilizer and preparation method thereof |
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